mirror of
https://github.com/sanni/cartreader.git
synced 2024-11-26 14:34:15 +01:00
0e04c1c1a1
This updates the GBC Gameshark functions to check the Chip ID before performing any other functions, which ensures a good connection with the Gameshark cartridge and prevents erroneous dumps or writes due to poor connection.
3670 lines
98 KiB
C++
3670 lines
98 KiB
C++
//******************************************
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// GAME BOY MODULE
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//******************************************
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#ifdef enable_GBX
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/******************************************
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Variables
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*****************************************/
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// Game Boy
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word sramBanks;
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word romBanks;
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word lastByte = 0;
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/******************************************
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Menu
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*****************************************/
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// GBx start menu
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static const char gbxMenuItem1[] PROGMEM = "Game Boy (Color)";
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static const char gbxMenuItem2[] PROGMEM = "GB Advance (3V)";
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static const char gbxMenuItem3[] PROGMEM = "Flash GBC Cart";
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static const char gbxMenuItem4[] PROGMEM = "NPower GB Memory";
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static const char gbxMenuItem5[] PROGMEM = "Flash Codebreaker";
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static const char gbxMenuItem6[] PROGMEM = "Flash Datel Device";
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//static const char gbxMenuItem5[] PROGMEM = "Reset"; (stored in common strings array)
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static const char* const menuOptionsGBx[] PROGMEM = { gbxMenuItem1, gbxMenuItem2, gbxMenuItem3, gbxMenuItem4, gbxMenuItem5, gbxMenuItem6, string_reset2 };
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// GB menu items
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static const char GBMenuItem1[] PROGMEM = "Read ROM";
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static const char GBMenuItem2[] PROGMEM = "Read Save";
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static const char GBMenuItem3[] PROGMEM = "Write Save";
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//static const char GBMenuItem4[] PROGMEM = "Reset"; (stored in common strings array)
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static const char* const menuOptionsGB[] PROGMEM = { GBMenuItem1, GBMenuItem2, GBMenuItem3, string_reset2 };
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// GB Flash items
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static const char GBFlashItem1[] PROGMEM = "29F Cart (MBC3)";
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static const char GBFlashItem2[] PROGMEM = "29F Cart (MBC5)";
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static const char GBFlashItem3[] PROGMEM = "29F Cart (CAM)";
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static const char GBFlashItem4[] PROGMEM = "CFI Cart";
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static const char GBFlashItem5[] PROGMEM = "CFI Cart and Save";
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static const char GBFlashItem6[] PROGMEM = "GB Smart";
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//static const char GBFlashItem7[] PROGMEM = "Reset"; (stored in common strings array)
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static const char* const menuOptionsGBFlash[] PROGMEM = { GBFlashItem1, GBFlashItem2, GBFlashItem3, GBFlashItem4, GBFlashItem5, GBFlashItem6, string_reset2 };
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// Pelican Codebreaker, Brainboy, and Monster Brain Operation Menu
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static const char PelicanRead[] PROGMEM = "Read Device";
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static const char PelicanWrite[] PROGMEM = "Write Device";
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static const char* const menuOptionsGBPelican[] PROGMEM = { PelicanRead, PelicanWrite };
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// Datel Device Operation Menu
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static const char MegaMemRead[] PROGMEM = "Read Mega Memory";
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static const char MegaMemWrite[] PROGMEM = "Write Mega Memory";
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static const char GameSharkRead[] PROGMEM = "Read GBC GameShark";
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static const char GameSharkWrite[] PROGMEM = "Write GBC GameShark";
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static const char* const menuOptionsGBDatel[] PROGMEM = { MegaMemRead, MegaMemWrite, GameSharkRead, GameSharkWrite };
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// Start menu for both GB and GBA
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void gbxMenu() {
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// create menu with title and 5 options to choose from
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unsigned char gbType;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsGBx, 7);
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gbType = question_box(F("Select Game Boy"), menuOptions, 7, 0);
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// wait for user choice to come back from the question box menu
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switch (gbType) {
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case 0:
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display_Clear();
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display_Update();
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setup_GB();
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mode = mode_GB;
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break;
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case 1:
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display_Clear();
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display_Update();
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setup_GBA();
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mode = mode_GBA;
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break;
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case 2:
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// create submenu with title and 7 options to choose from
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unsigned char gbFlash;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsGBFlash, 7);
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gbFlash = question_box(F("Select type"), menuOptions, 7, 0);
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// wait for user choice to come back from the question box menu
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switch (gbFlash) {
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case 0:
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//Flash MBC3
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display_Clear();
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display_Update();
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setup_GB();
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mode = mode_GB;
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// Change working dir to root
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sd.chdir("/");
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//MBC3
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writeFlash29F_GB(3, 1);
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// Reset
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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resetArduino();
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break;
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case 1:
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//Flash MBC5
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display_Clear();
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display_Update();
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setup_GB();
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mode = mode_GB;
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// Change working dir to root
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sd.chdir("/");
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//MBC5
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writeFlash29F_GB(5, 1);
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// Reset
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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resetArduino();
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break;
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case 2:
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//Flash GB Camera
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display_Clear();
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display_Update();
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setup_GB();
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mode = mode_GB;
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//Flash first bank with erase
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// Change working dir to root
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sd.chdir("/");
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//MBC3
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writeFlash29F_GB(3, 1);
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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display_Clear();
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println_Msg(F("Please change the"));
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println_Msg(F("switch on the cart"));
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println_Msg(F("to B2 (Bank 2)"));
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println_Msg(F("if you want to flash"));
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println_Msg(F("a second game"));
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println_Msg(F(""));
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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// Flash second bank without erase
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// Change working dir to root
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sd.chdir("/");
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//MBC3
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writeFlash29F_GB(3, 0);
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// Reset
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println_Msg(F(""));
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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resetArduino();
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break;
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case 3:
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// Flash CFI
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display_Clear();
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display_Update();
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setup_GB();
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mode = mode_GB;
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// Change working dir to root
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sd.chdir("/");
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// Launch filebrowser
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filePath[0] = '\0';
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sd.chdir("/");
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fileBrowser(F("Select file"));
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display_Clear();
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identifyCFI_GB();
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if (!writeCFI_GB()) {
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display_Clear();
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println_Msg(F("Flashing failed, time out!"));
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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}
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// Reset
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wait();
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resetArduino();
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break;
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case 4:
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// Flash CFI and Save
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display_Clear();
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display_Update();
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setup_GB();
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mode = mode_GB;
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// Change working dir to root
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sd.chdir("/");
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// Launch filebrowser
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filePath[0] = '\0';
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sd.chdir("/");
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fileBrowser(F("Select file"));
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display_Clear();
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identifyCFI_GB();
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if (!writeCFI_GB()) {
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display_Clear();
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println_Msg(F("Flashing failed, time out!"));
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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resetArduino();
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}
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getCartInfo_GB();
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// Does cartridge have SRAM
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if (lastByte > 0) {
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// Remove file name ending
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int pos = -1;
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while (fileName[++pos] != '\0') {
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if (fileName[pos] == '.') {
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fileName[pos] = '\0';
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break;
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}
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}
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sprintf(filePath, "/GB/SAVE/%s/", fileName);
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bool saveFound = false;
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if (sd.exists(filePath)) {
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EEPROM_readAnything(0, foldern);
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for (int i = foldern; i >= 0; i--) {
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sprintf(filePath, "/GB/SAVE/%s/%d/%s.SAV", fileName, i, fileName);
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if (sd.exists(filePath)) {
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print_Msg(F("Save number "));
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print_Msg(i);
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println_Msg(F(" found."));
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saveFound = true;
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sprintf(filePath, "/GB/SAVE/%s/%d", fileName, i);
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sprintf(fileName, "%s.SAV", fileName);
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writeSRAM_GB();
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unsigned long wrErrors;
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wrErrors = verifySRAM_GB();
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if (wrErrors == 0) {
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println_Msg(F("Verified OK"));
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display_Update();
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} else {
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print_STR(error_STR, 0);
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print_Msg(wrErrors);
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print_STR(_bytes_STR, 1);
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print_Error(did_not_verify_STR);
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}
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break;
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}
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}
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}
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if (!saveFound) {
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println_Msg(F("Error: No save found."));
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}
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} else {
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print_Error(F("Cart has no Sram"));
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}
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// Reset
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wait();
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resetArduino();
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break;
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case 5:
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// Flash GB Smart
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display_Clear();
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display_Update();
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setup_GBSmart();
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mode = mode_GB_GBSmart;
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break;
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case 6:
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resetArduino();
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break;
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}
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break;
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case 3:
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// Flash GB Memory
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display_Clear();
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display_Update();
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setup_GBM();
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mode = mode_GBM;
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break;
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case 4:
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// Read or Write a Pelican Codebreaker or MonsterBrain
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// Set Address Pins to Output
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//A0-A7
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DDRF = 0xFF;
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//A8-A15
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DDRK = 0xFF;
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// Set Control Pins to Output RST(PH0) CLK(PH1) CS(PH3) WR(PH5) RD(PH6)
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DDRH |= (1 << 0) | (1 << 1) | (1 << 3) | (1 << 5) | (1 << 6);
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// Output a high signal on all pins, pins are active low therefore everything is disabled now
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PORTH |= (1 << 3) | (1 << 5) | (1 << 6);
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// Output a low signal on CLK(PH1) to disable writing GB Camera RAM
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// Output a low signal on RST(PH0) to initialize MMC correctly
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PORTH &= ~((1 << 0) | (1 << 1));
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// Set Data Pins (D0-D7) to Input
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DDRC = 0x00;
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// Enable Internal Pullups
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PORTC = 0xFF;
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delay(400);
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// RST(PH0) to H
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PORTH |= (1 << 0);
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mode = mode_GB;
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display_Clear();
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display_Update();
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unsigned char gbPelican;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsGBPelican, 2);
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gbPelican = question_box(F("Select operation:"), menuOptions, 2, 0);
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// wait for user choice to come back from the question box menu
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switch (gbPelican) {
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case 0:
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readPelican_GB();
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// Reset
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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resetArduino();
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break;
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case 1:
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writePelican_GB();
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// Reset
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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resetArduino();
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break;
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}
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break;
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case 5:
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// Read or Write a Datel Device (Mega Memory Card and Gameshark)
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// Set Address Pins to Output
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//A0-A7
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DDRF = 0xFF;
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//A8-A15
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DDRK = 0xFF;
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// Set Control Pins to Output RST(PH0) CLK(PH1) CS(PH3) WR(PH5) RD(PH6)
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DDRH |= (1 << 0) | (1 << 1) | (1 << 3) | (1 << 5) | (1 << 6);
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// Output a high signal on all pins, pins are active low therefore everything is disabled now
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PORTH |= (1 << 3) | (1 << 5) | (1 << 6);
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// Output a low signal on CLK(PH1) to disable writing GB Camera RAM
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// Output a low signal on RST(PH0) to initialize MMC correctly
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PORTH &= ~((1 << 0) | (1 << 1));
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// Set Data Pins (D0-D7) to Input
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DDRC = 0x00;
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// Enable Internal Pullups
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PORTC = 0xFF;
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delay(400);
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// RST(PH0) to H
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PORTH |= (1 << 0);
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mode = mode_GB;
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display_Clear();
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display_Update();
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unsigned char gbDatel;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsGBDatel, 4);
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gbDatel = question_box(F("Select operation:"), menuOptions, 4, 0);
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// wait for user choice to come back from the question box menu
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switch (gbDatel) {
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case 0:
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readMegaMem_GB();
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// Reset
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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resetArduino();
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break;
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case 1:
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writeMegaMem_GB();
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// Reset
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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resetArduino();
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break;
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case 2:
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readGameshark_GB();
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// Reset
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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resetArduino();
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break;
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case 3:
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writeGameshark_GB();
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// Reset
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
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wait();
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resetArduino();
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break;
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}
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break;
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case 6:
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resetArduino();
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break;
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}
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}
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void gbMenu() {
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// create menu with title and 4 options to choose from
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unsigned char mainMenu;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsGB, 4);
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mainMenu = question_box(F("GB Cart Reader"), menuOptions, 4, 0);
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// wait for user choice to come back from the question box menu
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switch (mainMenu) {
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case 0:
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display_Clear();
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// Change working dir to root
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sd.chdir("/");
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readROM_GB();
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compare_checksums_GB();
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#ifdef global_log
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save_log();
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#endif
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break;
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case 1:
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display_Clear();
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// Does cartridge have SRAM
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if (lastByte > 0) {
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// Change working dir to root
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sd.chdir("/");
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if (romType == 32)
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readSRAMFLASH_MBC6_GB();
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else if (romType == 34)
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readEEPROM_MBC7_GB();
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else
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readSRAM_GB();
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} else {
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print_Error(F("No save or unsupported type"));
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}
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println_Msg(F(""));
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break;
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case 2:
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display_Clear();
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// Does cartridge have SRAM
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if (lastByte > 0) {
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// Change working dir to root
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sd.chdir("/");
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filePath[0] = '\0';
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fileBrowser(F("Select sav file"));
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if (romType == 32)
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writeSRAMFLASH_MBC6_GB();
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else if (romType == 34)
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writeEEPROM_MBC7_GB();
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else {
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writeSRAM_GB();
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unsigned long wrErrors;
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wrErrors = verifySRAM_GB();
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if (wrErrors == 0) {
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println_Msg(F("Verified OK"));
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display_Update();
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} else {
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print_STR(error_STR, 0);
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print_Msg(wrErrors);
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print_STR(_bytes_STR, 1);
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print_Error(did_not_verify_STR);
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}
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}
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} else {
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print_Error(F("No save or unsupported type"));
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}
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println_Msg(F(""));
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break;
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case 3:
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resetArduino();
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break;
|
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}
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// Prints string out of the common strings array either with or without newline
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print_STR(press_button_STR, 1);
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display_Update();
|
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wait();
|
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}
|
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|
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/******************************************
|
|
Setup
|
|
*****************************************/
|
|
void setup_GB() {
|
|
// Request 5V
|
|
setVoltage(VOLTS_SET_5V);
|
|
|
|
// Set Address Pins to Output
|
|
//A0-A7
|
|
DDRF = 0xFF;
|
|
//A8-A15
|
|
DDRK = 0xFF;
|
|
|
|
// Set Control Pins to Output RST(PH0) CLK(PH1) CS(PH3) WR(PH5) RD(PH6)
|
|
DDRH |= (1 << 0) | (1 << 1) | (1 << 3) | (1 << 5) | (1 << 6);
|
|
// Output a high signal on all pins, pins are active low therefore everything is disabled now
|
|
PORTH |= (1 << 3) | (1 << 5) | (1 << 6);
|
|
// Output a low signal on CLK(PH1) to disable writing GB Camera RAM
|
|
// Output a low signal on RST(PH0) to initialize MMC correctly
|
|
PORTH &= ~((1 << 0) | (1 << 1));
|
|
|
|
// Set Data Pins (D0-D7) to Input
|
|
DDRC = 0x00;
|
|
// Enable Internal Pullups
|
|
PORTC = 0xFF;
|
|
|
|
delay(400);
|
|
|
|
// RST(PH0) to H
|
|
PORTH |= (1 << 0);
|
|
|
|
// Print start page
|
|
getCartInfo_GB();
|
|
showCartInfo_GB();
|
|
|
|
// MMM01 initialize
|
|
if (romType >= 11 && romType <= 13) {
|
|
writeByte_GB(0x3fff, 0x00);
|
|
writeByte_GB(0x5fff, 0x40);
|
|
writeByte_GB(0x7fff, 0x01);
|
|
writeByte_GB(0x1fff, 0x3a);
|
|
writeByte_GB(0x1fff, 0x7a);
|
|
}
|
|
}
|
|
|
|
void showCartInfo_GB() {
|
|
display_Clear();
|
|
if (strcmp(checksumStr, "00") != 0) {
|
|
print_Msg(F("Title: "));
|
|
println_Msg(romName);
|
|
if (cartID[0] != 0) {
|
|
print_Msg(F("Serial: "));
|
|
println_Msg(cartID);
|
|
}
|
|
print_Msg(F("Revision: "));
|
|
println_Msg(romVersion);
|
|
|
|
print_Msg(F("Mapper: "));
|
|
if ((romType == 0) || (romType == 8) || (romType == 9))
|
|
print_Msg(F("none"));
|
|
else if ((romType == 1) || (romType == 2) || (romType == 3))
|
|
print_Msg(F("MBC1"));
|
|
else if ((romType == 5) || (romType == 6))
|
|
print_Msg(F("MBC2"));
|
|
else if ((romType == 11) || (romType == 12) || (romType == 13))
|
|
print_Msg(F("MMM01"));
|
|
else if ((romType == 15) || (romType == 16) || (romType == 17) || (romType == 18) || (romType == 19))
|
|
print_Msg(F("MBC3"));
|
|
else if ((romType == 21) || (romType == 22) || (romType == 23))
|
|
print_Msg(F("MBC4"));
|
|
else if ((romType == 25) || (romType == 26) || (romType == 27) || (romType == 28) || (romType == 29) || (romType == 309))
|
|
print_Msg(F("MBC5"));
|
|
else if (romType == 32)
|
|
print_Msg(F("MBC6"));
|
|
else if (romType == 34)
|
|
print_Msg(F("MBC7"));
|
|
else if (romType == 252)
|
|
print_Msg(F("Camera"));
|
|
else if (romType == 253)
|
|
print_Msg(F("TAMA5"));
|
|
else if (romType == 254)
|
|
print_Msg(F("HuC-3"));
|
|
else if (romType == 255)
|
|
print_Msg(F("HuC-1"));
|
|
else if ((romType == 0x101) || (romType == 0x103))
|
|
print_Msg(F("MBC1M"));
|
|
else if (romType == 0x104)
|
|
print_Msg(F("M161"));
|
|
|
|
println_Msg(F(""));
|
|
print_Msg(F("ROM Size: "));
|
|
switch (romSize) {
|
|
case 0:
|
|
print_Msg(F("32 KB"));
|
|
break;
|
|
|
|
case 1:
|
|
print_Msg(F("64 KB"));
|
|
break;
|
|
|
|
case 2:
|
|
print_Msg(F("128 KB"));
|
|
break;
|
|
|
|
case 3:
|
|
print_Msg(F("256 KB"));
|
|
break;
|
|
|
|
case 4:
|
|
print_Msg(F("512 KB"));
|
|
break;
|
|
|
|
case 5:
|
|
print_Msg(F("1 MB"));
|
|
break;
|
|
|
|
case 6:
|
|
print_Msg(F("2 MB"));
|
|
break;
|
|
|
|
case 7:
|
|
print_Msg(F("4 MB"));
|
|
break;
|
|
|
|
case 8:
|
|
print_Msg(F("8 MB"));
|
|
break;
|
|
}
|
|
|
|
println_Msg(F(""));
|
|
//print_Msg(F("Banks: "));
|
|
//println_Msg(romBanks);
|
|
|
|
print_Msg(F("Save Size: "));
|
|
switch (sramSize) {
|
|
case 0:
|
|
if (romType == 6) {
|
|
print_Msg(F("512 Byte"));
|
|
} else if (romType == 0x22) {
|
|
print_Msg(lastByte);
|
|
print_Msg(F(" Byte"));
|
|
} else if (romType == 0xFD) {
|
|
print_Msg(F("32 Byte"));
|
|
} else {
|
|
print_Msg(F("None"));
|
|
}
|
|
break;
|
|
case 1:
|
|
print_Msg(F("2 KB"));
|
|
break;
|
|
|
|
case 2:
|
|
print_Msg(F("8 KB"));
|
|
break;
|
|
|
|
case 3:
|
|
if (romType == 0x20) {
|
|
print_Msg(F("1.03 MB"));
|
|
} else {
|
|
print_Msg(F("32 KB"));
|
|
}
|
|
break;
|
|
|
|
case 4:
|
|
print_Msg(F("128 KB"));
|
|
break;
|
|
|
|
case 5:
|
|
print_Msg(F("64 KB"));
|
|
break;
|
|
|
|
default: print_Msg(F("None"));
|
|
}
|
|
println_Msg(F(""));
|
|
//print_Msg(F("Checksum: "));
|
|
//println_Msg(checksumStr);
|
|
//display_Update();
|
|
|
|
// Wait for user input
|
|
println_Msg(F(""));
|
|
// Prints string out of the common strings array either with or without newline
|
|
print_STR(press_button_STR, 1);
|
|
display_Update();
|
|
wait();
|
|
} else {
|
|
print_FatalError(F("GAMEPAK ERROR"));
|
|
}
|
|
}
|
|
|
|
/******************************************
|
|
Low level functions
|
|
*****************************************/
|
|
byte readByte_GB(word myAddress) {
|
|
// Set address
|
|
PORTF = myAddress & 0xFF;
|
|
PORTK = (myAddress >> 8) & 0xFF;
|
|
// Switch data pins to input
|
|
DDRC = 0x00;
|
|
// Enable pullups
|
|
PORTC = 0xFF;
|
|
|
|
__asm__("nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t");
|
|
|
|
// Switch RD(PH6) to LOW
|
|
PORTH &= ~(1 << 6);
|
|
|
|
__asm__("nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t");
|
|
|
|
// Read
|
|
byte tempByte = PINC;
|
|
|
|
// Switch and RD(PH6) to HIGH
|
|
PORTH |= (1 << 6);
|
|
|
|
__asm__("nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t");
|
|
|
|
return tempByte;
|
|
}
|
|
|
|
void writeByte_GB(int myAddress, byte myData) {
|
|
// Set address
|
|
PORTF = myAddress & 0xFF;
|
|
PORTK = (myAddress >> 8) & 0xFF;
|
|
// Set data
|
|
PORTC = myData;
|
|
// Switch data pins to output
|
|
DDRC = 0xFF;
|
|
|
|
// Wait till output is stable
|
|
__asm__("nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t");
|
|
|
|
// Pull WR(PH5) low
|
|
PORTH &= ~(1 << 5);
|
|
|
|
// Leave WR low for at least 60ns
|
|
__asm__("nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t");
|
|
|
|
// Pull WR(PH5) HIGH
|
|
PORTH |= (1 << 5);
|
|
// Leave WR high for at least 50ns
|
|
__asm__("nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t");
|
|
|
|
// Switch data pins to input
|
|
DDRC = 0x00;
|
|
// Enable pullups
|
|
PORTC = 0xFF;
|
|
}
|
|
|
|
// Triggers CS and CLK pin
|
|
byte readByteSRAM_GB(word myAddress) {
|
|
PORTF = myAddress & 0xFF;
|
|
PORTK = (myAddress >> 8) & 0xFF;
|
|
// Switch data pins to input
|
|
DDRC = 0x00;
|
|
// Enable pullups
|
|
PORTC = 0xFF;
|
|
|
|
__asm__("nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t");
|
|
|
|
// Pull CS(PH3) CLK(PH1)(for FRAM MOD) LOW
|
|
PORTH &= ~((1 << 3) | (1 << 1));
|
|
// Pull RD(PH6) LOW
|
|
PORTH &= ~(1 << 6);
|
|
|
|
__asm__("nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t");
|
|
|
|
// Read
|
|
byte tempByte = PINC;
|
|
|
|
// Pull RD(PH6) HIGH
|
|
PORTH |= (1 << 6);
|
|
if (romType == 252) {
|
|
// Pull CS(PH3) HIGH
|
|
PORTH |= (1 << 3);
|
|
} else {
|
|
// Pull CS(PH3) CLK(PH1)(for FRAM MOD) HIGH
|
|
PORTH |= (1 << 3) | (1 << 1);
|
|
}
|
|
__asm__("nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t");
|
|
|
|
return tempByte;
|
|
}
|
|
|
|
// Triggers CS and CLK pin
|
|
void writeByteSRAM_GB(int myAddress, byte myData) {
|
|
// Set address
|
|
PORTF = myAddress & 0xFF;
|
|
PORTK = (myAddress >> 8) & 0xFF;
|
|
// Set data
|
|
PORTC = myData;
|
|
// Switch data pins to output
|
|
DDRC = 0xFF;
|
|
|
|
__asm__("nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t");
|
|
|
|
if (romType == 252 || romType == 253) {
|
|
// Pull CS(PH3) LOW
|
|
PORTH &= ~(1 << 3);
|
|
// Pull CLK(PH1)(for GB CAM) HIGH
|
|
PORTH |= (1 << 1);
|
|
// Pull WR(PH5) low
|
|
PORTH &= ~(1 << 5);
|
|
} else {
|
|
// Pull CS(PH3) CLK(PH1)(for FRAM MOD) LOW
|
|
PORTH &= ~((1 << 3) | (1 << 1));
|
|
// Pull WR(PH5) low
|
|
PORTH &= ~(1 << 5);
|
|
}
|
|
|
|
// Leave WR low for at least 60ns
|
|
__asm__("nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t");
|
|
|
|
if (romType == 252 || romType == 253) {
|
|
// Pull WR(PH5) HIGH
|
|
PORTH |= (1 << 5);
|
|
// Pull CS(PH3) HIGH
|
|
PORTH |= (1 << 3);
|
|
// Pull CLK(PH1) LOW (for GB CAM)
|
|
PORTH &= ~(1 << 1);
|
|
} else {
|
|
// Pull WR(PH5) HIGH
|
|
PORTH |= (1 << 5);
|
|
// Pull CS(PH3) CLK(PH1)(for FRAM MOD) HIGH
|
|
PORTH |= (1 << 3) | (1 << 1);
|
|
}
|
|
|
|
// Leave WR high for at least 50ns
|
|
__asm__("nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t"
|
|
"nop\n\t");
|
|
|
|
// Switch data pins to input
|
|
DDRC = 0x00;
|
|
// Enable pullups
|
|
PORTC = 0xFF;
|
|
}
|
|
|
|
/******************************************
|
|
Game Boy functions
|
|
*****************************************/
|
|
// Read Cartridge Header
|
|
void getCartInfo_GB() {
|
|
// Read Header into array
|
|
for (int currByte = 0x100; currByte < 0x150; currByte++) {
|
|
sdBuffer[currByte] = readByte_GB(currByte);
|
|
}
|
|
|
|
/* Compare Nintendo logo against known checksum, 156 bytes starting at 0x04
|
|
word logoChecksum = 0;
|
|
for (int currByte = 0x104; currByte < 0x134; currByte++) {
|
|
logoChecksum += sdBuffer[currByte];
|
|
}
|
|
|
|
if (logoChecksum != 0x1546) {
|
|
print_Error(F("STARTUP LOGO ERROR"));
|
|
println_Msg(F(""));
|
|
println_Msg(F(""));
|
|
println_Msg(F(""));
|
|
println_Msg(F("Press Button to"));
|
|
println_Msg(F("ignore or powercycle"));
|
|
println_Msg(F("to try again"));
|
|
display_Update();
|
|
wait();
|
|
}
|
|
*/
|
|
|
|
// Calculate header checksum
|
|
byte headerChecksum = 0;
|
|
for (int currByte = 0x134; currByte < 0x14D; currByte++) {
|
|
headerChecksum = headerChecksum - sdBuffer[currByte] - 1;
|
|
}
|
|
|
|
if (headerChecksum != sdBuffer[0x14D]) {
|
|
// Read Header into array a second time
|
|
for (int currByte = 0x100; currByte < 0x150; currByte++) {
|
|
sdBuffer[currByte] = readByte_GB(currByte);
|
|
}
|
|
// Calculate header checksum a second time
|
|
headerChecksum = 0;
|
|
for (int currByte = 0x134; currByte < 0x14D; currByte++) {
|
|
headerChecksum = headerChecksum - sdBuffer[currByte] - 1;
|
|
}
|
|
}
|
|
|
|
if (headerChecksum != sdBuffer[0x14D]) {
|
|
print_Error(F("HEADER CHECKSUM ERROR"));
|
|
println_Msg(F(""));
|
|
println_Msg(F(""));
|
|
println_Msg(F(""));
|
|
println_Msg(F("Press Button to"));
|
|
println_Msg(F("ignore or clean"));
|
|
println_Msg(F("cart and try again"));
|
|
display_Update();
|
|
wait();
|
|
}
|
|
|
|
romType = sdBuffer[0x147];
|
|
romSize = sdBuffer[0x148];
|
|
sramSize = sdBuffer[0x149];
|
|
|
|
// Get Checksum as string
|
|
eepbit[6] = sdBuffer[0x14E];
|
|
eepbit[7] = sdBuffer[0x14F];
|
|
sprintf(checksumStr, "%02X%02X", eepbit[6], eepbit[7]);
|
|
|
|
// ROM banks
|
|
switch (romSize) {
|
|
case 0x00:
|
|
romBanks = 2;
|
|
break;
|
|
case 0x01:
|
|
romBanks = 4;
|
|
break;
|
|
case 0x02:
|
|
romBanks = 8;
|
|
break;
|
|
case 0x03:
|
|
romBanks = 16;
|
|
break;
|
|
case 0x04:
|
|
romBanks = 32;
|
|
break;
|
|
case 0x05:
|
|
romBanks = 64;
|
|
break;
|
|
case 0x06:
|
|
romBanks = 128;
|
|
break;
|
|
case 0x07:
|
|
romBanks = 256;
|
|
break;
|
|
case 0x08:
|
|
romBanks = 512;
|
|
break;
|
|
default:
|
|
romBanks = 2;
|
|
}
|
|
|
|
// SRAM banks
|
|
sramBanks = 0;
|
|
if (romType == 6) {
|
|
sramBanks = 1;
|
|
}
|
|
|
|
// SRAM size
|
|
switch (sramSize) {
|
|
case 2:
|
|
sramBanks = 1;
|
|
break;
|
|
case 3:
|
|
sramBanks = 4;
|
|
break;
|
|
case 4:
|
|
sramBanks = 16;
|
|
break;
|
|
case 5:
|
|
sramBanks = 8;
|
|
break;
|
|
}
|
|
|
|
// Last byte of SRAM
|
|
if (romType == 6) {
|
|
lastByte = 0xA1FF;
|
|
}
|
|
if (sramSize == 1) {
|
|
lastByte = 0xA7FF;
|
|
} else if (sramSize > 1) {
|
|
lastByte = 0xBFFF;
|
|
}
|
|
|
|
// MBC6
|
|
if (romType == 32) {
|
|
sramBanks = 8;
|
|
lastByte = 0xAFFF;
|
|
} else if (romType == 34) { // MBC7
|
|
lastByte = (*((uint16_t*)(eepbit + 6)) == 0xa5be ? 512 : 256); // Only "Command Master" use LC66 EEPROM
|
|
}
|
|
|
|
// Get name
|
|
byte myByte = 0;
|
|
byte myLength = 0;
|
|
byte x = 0;
|
|
if (sdBuffer[0x143] == 0x80 || sdBuffer[0x143] == 0xC0) {
|
|
x++;
|
|
}
|
|
for (int addr = 0x0134; addr <= 0x0143 - x; addr++) {
|
|
myByte = sdBuffer[addr];
|
|
if (isprint(myByte) && myByte != '<' && myByte != '>' && myByte != ':' && myByte != '"' && myByte != '/' && myByte != '\\' && myByte != '|' && myByte != '?' && myByte != '*') {
|
|
romName[myLength++] = char(myByte);
|
|
} else if (myLength == 0 || romName[myLength - 1] != '_') {
|
|
romName[myLength++] = '_';
|
|
}
|
|
}
|
|
|
|
// Find Game Serial
|
|
cartID[0] = 0;
|
|
if (sdBuffer[0x143] == 0x80 || sdBuffer[0x143] == 0xC0) {
|
|
if ((romName[myLength - 4] == 'A' || romName[myLength - 4] == 'B' || romName[myLength - 4] == 'H' || romName[myLength - 4] == 'K' || romName[myLength - 4] == 'V') && (romName[myLength - 1] == 'A' || romName[myLength - 1] == 'B' || romName[myLength - 1] == 'D' || romName[myLength - 1] == 'E' || romName[myLength - 1] == 'F' || romName[myLength - 1] == 'I' || romName[myLength - 1] == 'J' || romName[myLength - 1] == 'K' || romName[myLength - 1] == 'P' || romName[myLength - 1] == 'S' || romName[myLength - 1] == 'U' || romName[myLength - 1] == 'X' || romName[myLength - 1] == 'Y')) {
|
|
cartID[0] = romName[myLength - 4];
|
|
cartID[1] = romName[myLength - 3];
|
|
cartID[2] = romName[myLength - 2];
|
|
cartID[3] = romName[myLength - 1];
|
|
myLength -= 4;
|
|
romName[myLength] = 0;
|
|
}
|
|
}
|
|
|
|
// Strip trailing white space
|
|
while (
|
|
myLength && (romName[myLength - 1] == '_' || romName[myLength - 1] == ' ')) {
|
|
myLength--;
|
|
}
|
|
romName[myLength] = 0;
|
|
|
|
// M161 (Mani 4 in 1)
|
|
if (strncmp(romName, "TETRIS SET", 10) == 0 && sdBuffer[0x14D] == 0x3F) {
|
|
romType = 0x104;
|
|
}
|
|
|
|
// MMM01 (Mani 4 in 1)
|
|
if (
|
|
(
|
|
strncmp(romName, "BOUKENJIMA2 SET", 15) == 0 && sdBuffer[0x14D] == 0)
|
|
|| (strncmp(romName, "BUBBLEBOBBLE SET", 16) == 0 && sdBuffer[0x14D] == 0xC6) || (strncmp(romName, "GANBARUGA SET", 13) == 0 && sdBuffer[0x14D] == 0x90) || (strncmp(romName, "RTYPE 2 SET", 11) == 0 && sdBuffer[0x14D] == 0x32)) {
|
|
romType = 0x0B;
|
|
}
|
|
|
|
// MBC1M
|
|
if (
|
|
(
|
|
strncmp(romName, "MOMOCOL", 7) == 0 && sdBuffer[0x14D] == 0x28)
|
|
|| (strncmp(romName, "BOMCOL", 6) == 0 && sdBuffer[0x14D] == 0x86) || (strncmp(romName, "GENCOL", 6) == 0 && sdBuffer[0x14D] == 0x8A) || (strncmp(romName, "SUPERCHINESE 123", 16) == 0 && sdBuffer[0x14D] == 0xE4) || (strncmp(romName, "MORTALKOMBATI&II", 16) == 0 && sdBuffer[0x14D] == 0xB9) || (strncmp(romName, "MORTALKOMBAT DUO", 16) == 0 && sdBuffer[0x14D] == 0xA7)) {
|
|
romType += 0x100;
|
|
}
|
|
|
|
// ROM revision
|
|
romVersion = sdBuffer[0x14C];
|
|
}
|
|
|
|
/******************************************
|
|
ROM functions
|
|
*****************************************/
|
|
// Read ROM
|
|
void readROM_GB() {
|
|
// Get name, add extension and convert to char array for sd lib
|
|
strcpy(fileName, romName);
|
|
strcat(fileName, ".GB");
|
|
|
|
// create a new folder for the rom file
|
|
EEPROM_readAnything(0, foldern);
|
|
sprintf(folder, "GB/ROM/%s/%d", romName, foldern);
|
|
sd.mkdir(folder, true);
|
|
sd.chdir(folder);
|
|
|
|
display_Clear();
|
|
print_STR(saving_to_STR, 0);
|
|
print_Msg(folder);
|
|
println_Msg(F("/..."));
|
|
display_Update();
|
|
|
|
// write new folder number back to eeprom
|
|
foldern = foldern + 1;
|
|
EEPROM_writeAnything(0, foldern);
|
|
|
|
//open file on sd card
|
|
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
|
print_FatalError(create_file_STR);
|
|
}
|
|
|
|
word endAddress = 0x7FFF;
|
|
word romAddress = 0;
|
|
word startBank = 1;
|
|
|
|
//Initialize progress bar
|
|
uint32_t processedProgressBar = 0;
|
|
uint32_t totalProgressBar = (uint32_t)(romBanks)*16384;
|
|
draw_progressbar(0, totalProgressBar);
|
|
|
|
// M161 banks are double size and start with 0
|
|
if (romType == 0x104) {
|
|
startBank = 0;
|
|
romBanks >>= 1;
|
|
endAddress = 0x7FFF;
|
|
}
|
|
// MBC6 banks are half size
|
|
else if (romType == 32) {
|
|
romBanks <<= 1;
|
|
endAddress = 0x3FFF;
|
|
}
|
|
|
|
for (word currBank = startBank; currBank < romBanks; currBank++) {
|
|
// Second bank starts at 0x4000
|
|
if (currBank > 1) {
|
|
romAddress = 0x4000;
|
|
|
|
// MBC6 banks are half size
|
|
if (romType == 32) {
|
|
endAddress = 0x5FFF;
|
|
}
|
|
}
|
|
|
|
// Set ROM bank for M161
|
|
if (romType == 0x104) {
|
|
romAddress = 0;
|
|
PORTH &= ~(1 << 0);
|
|
delay(50);
|
|
PORTH |= (1 << 0);
|
|
writeByte_GB(0x4000, currBank & 0x7);
|
|
}
|
|
|
|
// Set ROM bank for MBC1M
|
|
else if (romType == 0x101 || romType == 0x103) {
|
|
if (currBank < 10) {
|
|
writeByte_GB(0x4000, currBank >> 4);
|
|
writeByte_GB(0x2000, (currBank & 0x1f));
|
|
} else {
|
|
writeByte_GB(0x4000, currBank >> 4);
|
|
writeByte_GB(0x2000, 0x10 | (currBank & 0x1f));
|
|
}
|
|
}
|
|
|
|
// Set ROM bank for MBC6
|
|
else if (romType == 32) {
|
|
writeByte_GB(0x2800, 0);
|
|
writeByte_GB(0x3800, 0);
|
|
writeByte_GB(0x2000, currBank);
|
|
writeByte_GB(0x3000, currBank);
|
|
}
|
|
|
|
// Set ROM bank for TAMA5
|
|
else if (romType == 0xFD) {
|
|
writeByteSRAM_GB(0xA001, 0);
|
|
writeByteSRAM_GB(0xA000, currBank & 0x0f);
|
|
writeByteSRAM_GB(0xA001, 1);
|
|
writeByteSRAM_GB(0xA000, (currBank >> 4) & 0x0f);
|
|
}
|
|
|
|
// Set ROM bank for MBC2/3/4/5
|
|
else if (romType >= 5) {
|
|
if (romType >= 11 && romType <= 13) {
|
|
if ((currBank & 0x1f) == 0) {
|
|
// reset MMM01
|
|
PORTH &= ~(1 << 0);
|
|
PORTH |= (1 << 0);
|
|
|
|
// remap to higher 4Mbits ROM
|
|
writeByte_GB(0x3fff, 0x20);
|
|
writeByte_GB(0x5fff, 0x40);
|
|
writeByte_GB(0x7fff, 0x01);
|
|
writeByte_GB(0x1fff, 0x3a);
|
|
writeByte_GB(0x1fff, 0x7a);
|
|
|
|
// for every 4Mbits ROM, restart from 0x0000
|
|
romAddress = 0x0000;
|
|
currBank++;
|
|
} else {
|
|
writeByte_GB(0x6000, 0);
|
|
writeByte_GB(0x2000, (currBank & 0x1f));
|
|
}
|
|
} else {
|
|
if ((romType >= 0x19 && romType <= 0x1E) && (currBank == 0 || currBank == 256)) {
|
|
writeByte_GB(0x3000, (currBank >> 8) & 0xFF);
|
|
}
|
|
writeByte_GB(0x2100, currBank & 0xFF);
|
|
}
|
|
}
|
|
// Set ROM bank for MBC1
|
|
else {
|
|
writeByte_GB(0x6000, 0);
|
|
writeByte_GB(0x4000, currBank >> 5);
|
|
writeByte_GB(0x2000, currBank & 0x1F);
|
|
}
|
|
|
|
// Read banks and save to SD
|
|
while (romAddress <= endAddress) {
|
|
for (int i = 0; i < 512; i++) {
|
|
sdBuffer[i] = readByte_GB(romAddress + i);
|
|
}
|
|
myFile.write(sdBuffer, 512);
|
|
romAddress += 512;
|
|
processedProgressBar += 512;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
}
|
|
}
|
|
|
|
// Close the file:
|
|
myFile.close();
|
|
}
|
|
|
|
// Calculate checksum
|
|
unsigned int calc_checksum_GB(char* fileName) {
|
|
unsigned int calcChecksum = 0;
|
|
// int calcFilesize = 0; // unused
|
|
unsigned long i = 0;
|
|
int c = 0;
|
|
|
|
// If file exists
|
|
if (myFile.open(fileName, O_READ)) {
|
|
//calcFilesize = myFile.fileSize() * 8 / 1024 / 1024; // unused
|
|
for (i = 0; i < (myFile.fileSize() / 512); i++) {
|
|
myFile.read(sdBuffer, 512);
|
|
for (c = 0; c < 512; c++) {
|
|
calcChecksum += sdBuffer[c];
|
|
}
|
|
}
|
|
myFile.close();
|
|
// Subtract checksum bytes
|
|
calcChecksum -= eepbit[6];
|
|
calcChecksum -= eepbit[7];
|
|
|
|
// Return result
|
|
return (calcChecksum);
|
|
}
|
|
// Else show error
|
|
else {
|
|
print_Error(F("DUMP ROM 1ST"));
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
// Compare checksum
|
|
void compare_checksums_GB() {
|
|
strcpy(fileName, romName);
|
|
strcat(fileName, ".GB");
|
|
|
|
// last used rom folder
|
|
EEPROM_readAnything(0, foldern);
|
|
sprintf(folder, "GB/ROM/%s/%d", romName, foldern - 1);
|
|
|
|
if (strcmp(folder, "root") != 0)
|
|
sd.chdir(folder);
|
|
|
|
// Internal ROM checksum
|
|
char calcsumStr[5];
|
|
sprintf(calcsumStr, "%04X", calc_checksum_GB(fileName));
|
|
|
|
print_Msg(F("Checksum: "));
|
|
print_Msg(calcsumStr);
|
|
if (strcmp(calcsumStr, checksumStr) == 0) {
|
|
println_Msg(F(" -> OK"));
|
|
} else {
|
|
print_Msg(F(" != "));
|
|
println_Msg(checksumStr);
|
|
print_Error(F("Invalid Checksum"));
|
|
}
|
|
compareCRC("gb.txt", 0, 1, 0);
|
|
display_Update();
|
|
//go to root
|
|
sd.chdir();
|
|
}
|
|
|
|
/******************************************
|
|
SRAM functions
|
|
*****************************************/
|
|
// Read RAM
|
|
void readSRAM_GB() {
|
|
// Does cartridge have RAM
|
|
if (lastByte > 0) {
|
|
|
|
// Get name, add extension and convert to char array for sd lib
|
|
strcpy(fileName, romName);
|
|
strcat(fileName, ".sav");
|
|
|
|
// create a new folder for the save file
|
|
EEPROM_readAnything(0, foldern);
|
|
sprintf(folder, "GB/SAVE/%s/%d", romName, foldern);
|
|
sd.mkdir(folder, true);
|
|
sd.chdir(folder);
|
|
|
|
// write new folder number back to eeprom
|
|
foldern = foldern + 1;
|
|
EEPROM_writeAnything(0, foldern);
|
|
|
|
//open file on sd card
|
|
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
|
print_FatalError(sd_error_STR);
|
|
}
|
|
|
|
// MBC2 Fix
|
|
readByte_GB(0x0134);
|
|
|
|
if (romType <= 4 || (romType >= 11 && romType <= 13)) {
|
|
writeByte_GB(0x6000, 1);
|
|
}
|
|
|
|
// Initialise MBC
|
|
writeByte_GB(0x0000, 0x0A);
|
|
|
|
// Switch SRAM banks
|
|
for (byte currBank = 0; currBank < sramBanks; currBank++) {
|
|
writeByte_GB(0x4000, currBank);
|
|
|
|
// Read SRAM
|
|
for (word sramAddress = 0xA000; sramAddress <= lastByte; sramAddress += 64) {
|
|
for (byte i = 0; i < 64; i++) {
|
|
sdBuffer[i] = readByteSRAM_GB(sramAddress + i);
|
|
}
|
|
myFile.write(sdBuffer, 64);
|
|
}
|
|
}
|
|
|
|
// Disable SRAM
|
|
writeByte_GB(0x0000, 0x00);
|
|
|
|
// Close the file:
|
|
myFile.close();
|
|
|
|
// Signal end of process
|
|
print_Msg(F("Saved to "));
|
|
print_Msg(folder);
|
|
println_Msg(F("/"));
|
|
display_Update();
|
|
} else {
|
|
print_Error(F("Cart has no SRAM"));
|
|
}
|
|
}
|
|
|
|
// Write RAM
|
|
void writeSRAM_GB() {
|
|
// Does cartridge have SRAM
|
|
if (lastByte > 0) {
|
|
// Create filepath
|
|
sprintf(filePath, "%s/%s", filePath, fileName);
|
|
|
|
//open file on sd card
|
|
if (myFile.open(filePath, O_READ)) {
|
|
// MBC2 Fix
|
|
readByte_GB(0x0134);
|
|
|
|
// Enable SRAM for MBC1
|
|
if (romType <= 4 || (romType >= 11 && romType <= 13)) {
|
|
writeByte_GB(0x6000, 1);
|
|
}
|
|
|
|
// Initialise MBC
|
|
writeByte_GB(0x0000, 0x0A);
|
|
|
|
// Switch RAM banks
|
|
for (byte currBank = 0; currBank < sramBanks; currBank++) {
|
|
writeByte_GB(0x4000, currBank);
|
|
|
|
// Write RAM
|
|
for (word sramAddress = 0xA000; sramAddress <= lastByte; sramAddress++) {
|
|
writeByteSRAM_GB(sramAddress, myFile.read());
|
|
}
|
|
}
|
|
// Disable SRAM
|
|
writeByte_GB(0x0000, 0x00);
|
|
|
|
// Close the file:
|
|
myFile.close();
|
|
display_Clear();
|
|
println_Msg(F("SRAM writing finished"));
|
|
display_Update();
|
|
|
|
} else {
|
|
print_Error(F("File doesnt exist"));
|
|
}
|
|
} else {
|
|
print_Error(F("Cart has no SRAM"));
|
|
}
|
|
}
|
|
|
|
// Check if the SRAM was written without any error
|
|
unsigned long verifySRAM_GB() {
|
|
|
|
//open file on sd card
|
|
if (myFile.open(filePath, O_READ)) {
|
|
|
|
// Variable for errors
|
|
writeErrors = 0;
|
|
|
|
// MBC2 Fix
|
|
readByte_GB(0x0134);
|
|
|
|
// Check SRAM size
|
|
if (lastByte > 0) {
|
|
if (romType <= 4) { // MBC1
|
|
writeByte_GB(0x6000, 1); // Set RAM Mode
|
|
}
|
|
|
|
// Initialise MBC
|
|
writeByte_GB(0x0000, 0x0A);
|
|
|
|
// Switch SRAM banks
|
|
for (byte currBank = 0; currBank < sramBanks; currBank++) {
|
|
writeByte_GB(0x4000, currBank);
|
|
|
|
// Read SRAM
|
|
for (word sramAddress = 0xA000; sramAddress <= lastByte; sramAddress += 64) {
|
|
//fill sdBuffer
|
|
myFile.read(sdBuffer, 64);
|
|
for (int c = 0; c < 64; c++) {
|
|
if (readByteSRAM_GB(sramAddress + c) != sdBuffer[c]) {
|
|
writeErrors++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// Disable RAM
|
|
writeByte_GB(0x0000, 0x00);
|
|
}
|
|
// Close the file:
|
|
myFile.close();
|
|
return writeErrors;
|
|
} else {
|
|
print_FatalError(open_file_STR);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
// Read SRAM + FLASH save data of MBC6
|
|
void readSRAMFLASH_MBC6_GB() {
|
|
// Get name, add extension and convert to char array for sd lib
|
|
strcpy(fileName, romName);
|
|
strcat(fileName, ".sav");
|
|
|
|
// create a new folder for the save file
|
|
EEPROM_readAnything(0, foldern);
|
|
sprintf(folder, "GB/SAVE/%s/%d", romName, foldern);
|
|
sd.mkdir(folder, true);
|
|
sd.chdir(folder);
|
|
|
|
display_Clear();
|
|
print_STR(saving_to_STR, 0);
|
|
print_Msg(folder);
|
|
println_Msg(F("/..."));
|
|
display_Update();
|
|
|
|
// write new folder number back to eeprom
|
|
foldern = foldern + 1;
|
|
EEPROM_writeAnything(0, foldern);
|
|
|
|
//open file on sd card
|
|
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
|
print_FatalError(sd_error_STR);
|
|
}
|
|
|
|
//Initialize progress bar
|
|
uint32_t processedProgressBar = 0;
|
|
uint32_t totalProgressBar = 0x108000;
|
|
draw_progressbar(0, totalProgressBar);
|
|
|
|
// Enable Mapper and SRAM
|
|
writeByte_GB(0x0000, 0x0A);
|
|
|
|
// Switch SRAM banks
|
|
for (byte currBank = 0; currBank < sramBanks; currBank++) {
|
|
writeByte_GB(0x0400, currBank);
|
|
writeByte_GB(0x0800, currBank);
|
|
|
|
// Read SRAM
|
|
for (word sramAddress = 0xA000; sramAddress <= lastByte; sramAddress += 64) {
|
|
for (byte i = 0; i < 64; i++) {
|
|
sdBuffer[i] = readByteSRAM_GB(sramAddress + i);
|
|
}
|
|
myFile.write(sdBuffer, 64);
|
|
processedProgressBar += 64;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
}
|
|
}
|
|
|
|
// Disable SRAM
|
|
writeByte_GB(0x0000, 0x00);
|
|
|
|
// Enable flash save memory (map to ROM)
|
|
writeByte_GB(0x1000, 0x01);
|
|
writeByte_GB(0x0C00, 0x01);
|
|
writeByte_GB(0x1000, 0x00);
|
|
writeByte_GB(0x2800, 0x08);
|
|
writeByte_GB(0x3800, 0x08);
|
|
|
|
// Switch FLASH banks
|
|
for (byte currBank = 0; currBank < 128; currBank++) {
|
|
word romAddress = 0x4000;
|
|
|
|
writeByte_GB(0x2000, currBank);
|
|
writeByte_GB(0x3000, currBank);
|
|
|
|
// Read banks and save to SD
|
|
while (romAddress <= 0x5FFF) {
|
|
for (int i = 0; i < 512; i++) {
|
|
sdBuffer[i] = readByte_GB(romAddress + i);
|
|
}
|
|
myFile.write(sdBuffer, 512);
|
|
romAddress += 512;
|
|
processedProgressBar += 512;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
}
|
|
}
|
|
|
|
// Disable flash save memory
|
|
writeByte_GB(0x1000, 0x01);
|
|
writeByte_GB(0x0C00, 0x00);
|
|
writeByte_GB(0x1000, 0x00);
|
|
writeByte_GB(0x2800, 0x00);
|
|
writeByte_GB(0x3800, 0x00);
|
|
|
|
// Close the file:
|
|
myFile.close();
|
|
|
|
// Signal end of process
|
|
println_Msg(F("OK"));
|
|
display_Update();
|
|
}
|
|
|
|
// Write RAM
|
|
void writeSRAMFLASH_MBC6_GB() {
|
|
// Create filepath
|
|
sprintf(filePath, "%s/%s", filePath, fileName);
|
|
|
|
//open file on sd card
|
|
if (myFile.open(filePath, O_READ)) {
|
|
display_Clear();
|
|
println_Msg(F("Writing MBC6 save..."));
|
|
display_Update();
|
|
|
|
//Initialize progress bar
|
|
uint32_t processedProgressBar = 0;
|
|
uint32_t totalProgressBar = 0x108000;
|
|
draw_progressbar(0, totalProgressBar);
|
|
|
|
// Enable Mapper and SRAM
|
|
writeByte_GB(0x0000, 0x0A);
|
|
|
|
// Switch SRAM banks
|
|
for (byte currBank = 0; currBank < sramBanks; currBank++) {
|
|
writeByte_GB(0x0400, currBank);
|
|
writeByte_GB(0x0800, currBank);
|
|
|
|
// Write SRAM
|
|
for (word sramAddress = 0xA000; sramAddress <= lastByte; sramAddress++) {
|
|
writeByteSRAM_GB(sramAddress, myFile.read());
|
|
}
|
|
|
|
processedProgressBar += (lastByte + 1) - 0xA000;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
}
|
|
|
|
// Disable SRAM
|
|
writeByte_GB(0x0000, 0x00);
|
|
|
|
// Enable flash save memory (map to ROM)
|
|
writeByte_GB(0x1000, 0x01);
|
|
writeByte_GB(0x0C00, 0x01);
|
|
writeByte_GB(0x1000, 0x01);
|
|
writeByte_GB(0x2800, 0x08);
|
|
writeByte_GB(0x3800, 0x08);
|
|
|
|
for (byte currBank = 0; currBank < 128; currBank++) {
|
|
word romAddress = 0x4000;
|
|
|
|
// Erase FLASH sector
|
|
if (((processedProgressBar - 0x8000) % 0x20000) == 0) {
|
|
writeByte_GB(0x2800, 0x08);
|
|
writeByte_GB(0x3800, 0x08);
|
|
writeByte_GB(0x2000, 0x01);
|
|
writeByte_GB(0x3000, 0x02);
|
|
writeByte_GB(0x7555, 0xAA);
|
|
writeByte_GB(0x4AAA, 0x55);
|
|
writeByte_GB(0x7555, 0x80);
|
|
writeByte_GB(0x7555, 0xAA);
|
|
writeByte_GB(0x4AAA, 0x55);
|
|
writeByte_GB(0x2800, 0x08);
|
|
writeByte_GB(0x3800, 0x08);
|
|
writeByte_GB(0x2000, currBank);
|
|
writeByte_GB(0x3000, currBank);
|
|
writeByte_GB(0x4000, 0x30);
|
|
byte lives = 100;
|
|
while (1) {
|
|
byte sr = readByte_GB(0x4000);
|
|
if (sr == 0x80) break;
|
|
delay(1);
|
|
if (lives-- <= 0) {
|
|
// Disable flash save memory
|
|
writeByte_GB(0x1000, 0x01);
|
|
writeByte_GB(0x0C00, 0x00);
|
|
writeByte_GB(0x1000, 0x00);
|
|
writeByte_GB(0x2800, 0x00);
|
|
writeByte_GB(0x3800, 0x00);
|
|
myFile.close();
|
|
display_Clear();
|
|
print_FatalError(F("Error erasing FLASH sector."));
|
|
}
|
|
}
|
|
} else {
|
|
writeByte_GB(0x2800, 0x08);
|
|
writeByte_GB(0x3800, 0x08);
|
|
writeByte_GB(0x2000, currBank);
|
|
writeByte_GB(0x3000, currBank);
|
|
}
|
|
|
|
// Write to FLASH
|
|
while (romAddress <= 0x5FFF) {
|
|
writeByte_GB(0x2000, 0x01);
|
|
writeByte_GB(0x3000, 0x02);
|
|
writeByte_GB(0x7555, 0xAA);
|
|
writeByte_GB(0x4AAA, 0x55);
|
|
writeByte_GB(0x7555, 0xA0);
|
|
writeByte_GB(0x2800, 0x08);
|
|
writeByte_GB(0x3800, 0x08);
|
|
writeByte_GB(0x2000, currBank);
|
|
writeByte_GB(0x3000, currBank);
|
|
for (int i = 0; i < 128; i++) {
|
|
writeByte_GB(romAddress++, myFile.read());
|
|
}
|
|
writeByte_GB(romAddress - 1, 0x00);
|
|
byte lives = 100;
|
|
while (1) {
|
|
byte sr = readByte_GB(romAddress - 1);
|
|
if (sr == 0x80) break;
|
|
delay(1);
|
|
if (lives-- <= 0) {
|
|
// Disable flash save memory
|
|
writeByte_GB(0x1000, 0x01);
|
|
writeByte_GB(0x0C00, 0x00);
|
|
writeByte_GB(0x1000, 0x00);
|
|
writeByte_GB(0x2800, 0x00);
|
|
writeByte_GB(0x3800, 0x00);
|
|
myFile.close();
|
|
display_Clear();
|
|
print_FatalError(F("Error writing to FLASH."));
|
|
}
|
|
}
|
|
writeByte_GB(romAddress - 1, 0xF0);
|
|
processedProgressBar += 128;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
}
|
|
}
|
|
|
|
// Disable flash save memory
|
|
writeByte_GB(0x1000, 0x01);
|
|
writeByte_GB(0x0C00, 0x00);
|
|
writeByte_GB(0x1000, 0x00);
|
|
writeByte_GB(0x2800, 0x00);
|
|
writeByte_GB(0x3800, 0x00);
|
|
|
|
// Close the file:
|
|
myFile.close();
|
|
println_Msg(F("Save writing finished"));
|
|
display_Update();
|
|
} else {
|
|
print_Error(F("File doesnt exist"));
|
|
}
|
|
}
|
|
|
|
void readEEPROM_MBC7_GB() {
|
|
|
|
// Get name, add extension and convert to char array for sd lib
|
|
strcpy(fileName, romName);
|
|
strcat(fileName, ".sav");
|
|
|
|
// create a new folder for the save file
|
|
EEPROM_readAnything(0, foldern);
|
|
sprintf(folder, "GB/SAVE/%s/%d", romName, foldern);
|
|
sd.mkdir(folder, true);
|
|
sd.chdir(folder);
|
|
|
|
// write new folder number back to eeprom
|
|
foldern = foldern + 1;
|
|
EEPROM_writeAnything(0, foldern);
|
|
|
|
//open file on sd card
|
|
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
|
print_FatalError(sd_error_STR);
|
|
}
|
|
|
|
display_Clear();
|
|
print_STR(saving_to_STR, 0);
|
|
print_Msg(folder);
|
|
println_Msg(F("/..."));
|
|
display_Update();
|
|
|
|
uint16_t* data = (uint16_t*)sdBuffer;
|
|
|
|
// enable 0xa000 - 0xbfff access
|
|
writeByte_GB(0x0000, 0x0a);
|
|
writeByte_GB(0x4000, 0x40);
|
|
|
|
// set CS high
|
|
writeByte_GB(0xa080, 0x00);
|
|
writeByte_GB(0xa080, 0x80);
|
|
|
|
sendMBC7EEPROM_Inst_GB(2, 0, 0);
|
|
|
|
// read data from EEPROM
|
|
for (uint16_t i = 0; i < lastByte; i += 2, data++) {
|
|
*data = 0;
|
|
|
|
for (uint8_t j = 0; j < 16; j++) {
|
|
writeByte_GB(0xa080, 0x80);
|
|
writeByte_GB(0xa080, 0xc0);
|
|
|
|
*data <<= 1;
|
|
*data |= (readByte_GB(0xa080) & 0x01);
|
|
}
|
|
}
|
|
|
|
// deselect chip and ram access
|
|
writeByte_GB(0xa080, 0x00);
|
|
writeByte_GB(0x0000, 0x00);
|
|
writeByte_GB(0x4000, 0x00);
|
|
|
|
myFile.write(sdBuffer, lastByte);
|
|
myFile.close();
|
|
|
|
print_STR(done_STR, true);
|
|
display_Update();
|
|
}
|
|
|
|
void writeEEPROM_MBC7_GB() {
|
|
|
|
sprintf(filePath, "%s/%s", filePath, fileName);
|
|
|
|
// open file on sd card
|
|
if (!myFile.open(filePath, O_READ))
|
|
print_Error(F("File doesnt exist"));
|
|
|
|
myFile.read(sdBuffer, lastByte);
|
|
myFile.close();
|
|
|
|
display_Clear();
|
|
|
|
uint16_t* data = (uint16_t*)sdBuffer;
|
|
|
|
// enable 0xa000 - 0xbfff access
|
|
writeByte_GB(0x0000, 0x0a);
|
|
writeByte_GB(0x4000, 0x40);
|
|
|
|
// set CS high
|
|
writeByte_GB(0xa080, 0x00);
|
|
writeByte_GB(0xa080, 0x80);
|
|
|
|
println_Msg(F("Unlocking EEPROM..."));
|
|
display_Update();
|
|
|
|
// unlock EEPROM by sending EWEN instruction
|
|
sendMBC7EEPROM_Inst_GB(0, 0xc0, 0);
|
|
// set CS low
|
|
writeByte_GB(0xa080, 0x00);
|
|
|
|
println_Msg(F("Erasing EEPROM..."));
|
|
display_Update();
|
|
|
|
// erase entire EEPROM by sending ERAL instruction
|
|
sendMBC7EEPROM_Inst_GB(0, 0x80, 0);
|
|
|
|
// set CS low
|
|
writeByte_GB(0xa080, 0x00);
|
|
// set CS high
|
|
writeByte_GB(0xa080, 0x80);
|
|
|
|
// wait for erase complete
|
|
do {
|
|
writeByte_GB(0xa080, 0x80);
|
|
writeByte_GB(0xa080, 0xc0);
|
|
} while ((readByte_GB(0xa080) & 0x01) == 0);
|
|
|
|
println_Msg(F("Writing EEPROM..."));
|
|
display_Update();
|
|
|
|
// write data to EEPROM by sending WRITE instruction word by word
|
|
for (uint16_t i = 0; i < lastByte; i += 2, data++) {
|
|
sendMBC7EEPROM_Inst_GB(1, (i >> 1), *data);
|
|
|
|
// set CS low
|
|
writeByte_GB(0xa080, 0x00);
|
|
// set CS high
|
|
writeByte_GB(0xa080, 0x80);
|
|
|
|
// wait for writing complete
|
|
do {
|
|
writeByte_GB(0xa080, 0x80);
|
|
writeByte_GB(0xa080, 0xc0);
|
|
} while ((readByte_GB(0xa080) & 0x01) == 0);
|
|
}
|
|
|
|
println_Msg(F("Locking EEPROM..."));
|
|
display_Update();
|
|
|
|
// re-lock EEPROM
|
|
sendMBC7EEPROM_Inst_GB(0, 0, 0);
|
|
writeByte_GB(0xa080, 0x00);
|
|
|
|
// disable ram access
|
|
writeByte_GB(0x0000, 0x00);
|
|
writeByte_GB(0x4000, 0x00);
|
|
|
|
// done
|
|
print_STR(done_STR, true);
|
|
display_Update();
|
|
}
|
|
|
|
void sendMBC7EEPROM_Inst_GB(uint8_t op, uint8_t addr, uint16_t data) {
|
|
boolean send_data = false;
|
|
uint8_t i;
|
|
|
|
op = op & 0x03;
|
|
|
|
if (op == 0) {
|
|
addr &= 0xc0;
|
|
if (addr == 0x40)
|
|
send_data = true;
|
|
} else if (op == 1) {
|
|
send_data = true;
|
|
}
|
|
|
|
// send start bit
|
|
writeByte_GB(0xa080, 0x82);
|
|
writeByte_GB(0xa080, 0xc2);
|
|
|
|
// send op
|
|
for (i = 0; i < 2; i++, op <<= 1) {
|
|
eepbit[1] = (op & 0x02);
|
|
eepbit[0] = (eepbit[1] | 0x80);
|
|
eepbit[1] |= 0xc0;
|
|
|
|
writeByte_GB(0xa080, eepbit[0]);
|
|
writeByte_GB(0xa080, eepbit[1]);
|
|
}
|
|
|
|
// send addr
|
|
for (i = 0; i < 8; i++, addr <<= 1) {
|
|
eepbit[1] = ((addr & 0x80) >> 6);
|
|
eepbit[0] = (eepbit[1] | 0x80);
|
|
eepbit[1] |= 0xc0;
|
|
|
|
writeByte_GB(0xa080, eepbit[0]);
|
|
writeByte_GB(0xa080, eepbit[1]);
|
|
}
|
|
|
|
if (send_data) {
|
|
for (i = 0; i < 16; i++, data <<= 1) {
|
|
eepbit[1] = ((data & 0x8000) >> 14);
|
|
eepbit[0] = (eepbit[1] | 0x80);
|
|
eepbit[1] |= 0xc0;
|
|
|
|
writeByte_GB(0xa080, eepbit[0]);
|
|
writeByte_GB(0xa080, eepbit[1]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/******************************************
|
|
29F016/29F032/29F033 flashrom functions
|
|
*****************************************/
|
|
// Write 29F032 flashrom
|
|
// A0-A13 directly connected to cart edge -> 16384(0x0-0x3FFF) bytes per bank -> 256(0x0-0xFF) banks
|
|
// A14-A21 connected to MBC5
|
|
void writeFlash29F_GB(byte MBC, boolean flashErase) {
|
|
// Launch filebrowser
|
|
filePath[0] = '\0';
|
|
sd.chdir("/");
|
|
fileBrowser(F("Select file"));
|
|
display_Clear();
|
|
|
|
// Create filepath
|
|
sprintf(filePath, "%s/%s", filePath, fileName);
|
|
|
|
// Open file on sd card
|
|
if (myFile.open(filePath, O_READ)) {
|
|
// Get rom size from file
|
|
myFile.seekCur(0x147);
|
|
romType = myFile.read();
|
|
romSize = myFile.read();
|
|
// Go back to file beginning
|
|
myFile.seekSet(0);
|
|
|
|
// ROM banks
|
|
switch (romSize) {
|
|
case 0x00:
|
|
romBanks = 2;
|
|
break;
|
|
case 0x01:
|
|
romBanks = 4;
|
|
break;
|
|
case 0x02:
|
|
romBanks = 8;
|
|
break;
|
|
case 0x03:
|
|
romBanks = 16;
|
|
break;
|
|
case 0x04:
|
|
romBanks = 32;
|
|
break;
|
|
case 0x05:
|
|
romBanks = 64;
|
|
break;
|
|
case 0x06:
|
|
romBanks = 128;
|
|
break;
|
|
case 0x07:
|
|
romBanks = 256;
|
|
break;
|
|
default:
|
|
romBanks = 2;
|
|
}
|
|
|
|
// Set ROM bank hi 0
|
|
writeByte_GB(0x3000, 0);
|
|
// Set ROM bank low 0
|
|
writeByte_GB(0x2000, 0);
|
|
delay(100);
|
|
|
|
// Reset flash
|
|
writeByte_GB(0x555, 0xf0);
|
|
delay(100);
|
|
|
|
// ID command sequence
|
|
writeByte_GB(0x555, 0xaa);
|
|
writeByte_GB(0x2aa, 0x55);
|
|
writeByte_GB(0x555, 0x90);
|
|
|
|
// Read the two id bytes into a string
|
|
flashid = readByte_GB(0) << 8;
|
|
flashid |= readByte_GB(1);
|
|
|
|
if (flashid == 0x04D4) {
|
|
println_Msg(F("MBM29F033C"));
|
|
print_Msg(F("Banks: "));
|
|
print_Msg(romBanks);
|
|
println_Msg(F("/256"));
|
|
display_Update();
|
|
} else if (flashid == 0x0141) {
|
|
println_Msg(F("AM29F032B"));
|
|
print_Msg(F("Banks: "));
|
|
print_Msg(romBanks);
|
|
println_Msg(F("/256"));
|
|
display_Update();
|
|
} else if (flashid == 0x01AD) {
|
|
println_Msg(F("AM29F016B"));
|
|
print_Msg(F("Banks: "));
|
|
print_Msg(romBanks);
|
|
println_Msg(F("/128"));
|
|
display_Update();
|
|
} else if (flashid == 0x04AD) {
|
|
println_Msg(F("AM29F016D"));
|
|
print_Msg(F("Banks: "));
|
|
print_Msg(romBanks);
|
|
println_Msg(F("/128"));
|
|
display_Update();
|
|
} else if (flashid == 0x01D5) {
|
|
println_Msg(F("AM29F080B"));
|
|
print_Msg(F("Banks: "));
|
|
print_Msg(romBanks);
|
|
println_Msg(F("/64"));
|
|
display_Update();
|
|
} else {
|
|
print_Msg(F("Flash ID: "));
|
|
sprintf(flashid_str, "%04X", flashid);
|
|
println_Msg(flashid_str);
|
|
display_Update();
|
|
print_FatalError(F("Unknown flashrom"));
|
|
}
|
|
|
|
// Reset flash
|
|
writeByte_GB(0x555, 0xf0);
|
|
|
|
delay(100);
|
|
|
|
if (flashErase) {
|
|
println_Msg(F("Erasing flash"));
|
|
display_Update();
|
|
|
|
// Erase flash
|
|
writeByte_GB(0x555, 0xaa);
|
|
writeByte_GB(0x2aa, 0x55);
|
|
writeByte_GB(0x555, 0x80);
|
|
writeByte_GB(0x555, 0xaa);
|
|
writeByte_GB(0x2aa, 0x55);
|
|
writeByte_GB(0x555, 0x10);
|
|
|
|
// Read the status register
|
|
byte statusReg = readByte_GB(0);
|
|
// After a completed erase D7 will output 1
|
|
while ((statusReg & 0x80) != 0x80) {
|
|
// Update Status
|
|
statusReg = readByte_GB(0);
|
|
}
|
|
|
|
// Blankcheck
|
|
println_Msg(F("Blankcheck"));
|
|
display_Update();
|
|
|
|
// Read x number of banks
|
|
for (word currBank = 0; currBank < romBanks; currBank++) {
|
|
// Blink led
|
|
blinkLED();
|
|
|
|
// Set ROM bank
|
|
writeByte_GB(0x2000, currBank);
|
|
|
|
for (unsigned int currAddr = 0x4000; currAddr < 0x7FFF; currAddr += 512) {
|
|
for (int currByte = 0; currByte < 512; currByte++) {
|
|
sdBuffer[currByte] = readByte_GB(currAddr + currByte);
|
|
}
|
|
for (int j = 0; j < 512; j++) {
|
|
if (sdBuffer[j] != 0xFF) {
|
|
println_Msg(F("Not empty"));
|
|
print_FatalError(F("Erase failed"));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (MBC == 3) {
|
|
println_Msg(F("Writing flash MBC3"));
|
|
display_Update();
|
|
|
|
// Write flash
|
|
word currAddr = 0;
|
|
word endAddr = 0x3FFF;
|
|
|
|
//Initialize progress bar
|
|
uint32_t processedProgressBar = 0;
|
|
uint32_t totalProgressBar = (uint32_t)(romBanks)*16384;
|
|
draw_progressbar(0, totalProgressBar);
|
|
|
|
for (word currBank = 0; currBank < romBanks; currBank++) {
|
|
// Blink led
|
|
blinkLED();
|
|
|
|
// Set ROM bank
|
|
writeByte_GB(0x2100, currBank);
|
|
|
|
if (currBank > 0) {
|
|
currAddr = 0x4000;
|
|
endAddr = 0x7FFF;
|
|
}
|
|
|
|
while (currAddr <= endAddr) {
|
|
myFile.read(sdBuffer, 512);
|
|
|
|
for (int currByte = 0; currByte < 512; currByte++) {
|
|
// Write command sequence
|
|
writeByte_GB(0x555, 0xaa);
|
|
writeByte_GB(0x2aa, 0x55);
|
|
writeByte_GB(0x555, 0xa0);
|
|
// Write current byte
|
|
writeByte_GB(currAddr + currByte, sdBuffer[currByte]);
|
|
|
|
// Set OE/RD(PH6) LOW
|
|
PORTH &= ~(1 << 6);
|
|
|
|
// Busy check
|
|
while ((PINC & 0x80) != (sdBuffer[currByte] & 0x80)) {
|
|
}
|
|
|
|
// Switch OE/RD(PH6) to HIGH
|
|
PORTH |= (1 << 6);
|
|
}
|
|
currAddr += 512;
|
|
processedProgressBar += 512;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
}
|
|
}
|
|
}
|
|
|
|
else if (MBC == 5) {
|
|
println_Msg(F("Writing flash MBC5"));
|
|
display_Update();
|
|
|
|
// Write flash
|
|
//Initialize progress bar
|
|
uint32_t processedProgressBar = 0;
|
|
uint32_t totalProgressBar = (uint32_t)(romBanks)*16384;
|
|
draw_progressbar(0, totalProgressBar);
|
|
|
|
for (word currBank = 0; currBank < romBanks; currBank++) {
|
|
// Blink led
|
|
blinkLED();
|
|
|
|
// Set ROM bank
|
|
writeByte_GB(0x2000, currBank);
|
|
// 0x2A8000 fix
|
|
writeByte_GB(0x4000, 0x0);
|
|
|
|
for (unsigned int currAddr = 0x4000; currAddr < 0x7FFF; currAddr += 512) {
|
|
myFile.read(sdBuffer, 512);
|
|
|
|
for (int currByte = 0; currByte < 512; currByte++) {
|
|
// Write command sequence
|
|
writeByte_GB(0x555, 0xaa);
|
|
writeByte_GB(0x2aa, 0x55);
|
|
writeByte_GB(0x555, 0xa0);
|
|
// Write current byte
|
|
writeByte_GB(currAddr + currByte, sdBuffer[currByte]);
|
|
|
|
// Set OE/RD(PH6) LOW
|
|
PORTH &= ~(1 << 6);
|
|
|
|
// Busy check
|
|
while ((PINC & 0x80) != (sdBuffer[currByte] & 0x80)) {
|
|
}
|
|
|
|
// Switch OE/RD(PH6) to HIGH
|
|
PORTH |= (1 << 6);
|
|
}
|
|
processedProgressBar += 512;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
}
|
|
}
|
|
}
|
|
|
|
print_STR(verifying_STR, 0);
|
|
display_Update();
|
|
|
|
// Go back to file beginning
|
|
myFile.seekSet(0);
|
|
//unsigned int addr = 0; // unused
|
|
writeErrors = 0;
|
|
|
|
// Verify flashrom
|
|
word romAddress = 0;
|
|
|
|
// Read number of banks and switch banks
|
|
for (word bank = 1; bank < romBanks; bank++) {
|
|
if (romType >= 5) { // MBC2 and above
|
|
writeByte_GB(0x2100, bank); // Set ROM bank
|
|
} else { // MBC1
|
|
writeByte_GB(0x6000, 0); // Set ROM Mode
|
|
writeByte_GB(0x4000, bank >> 5); // Set bits 5 & 6 (01100000) of ROM bank
|
|
writeByte_GB(0x2000, bank & 0x1F); // Set bits 0 & 4 (00011111) of ROM bank
|
|
}
|
|
|
|
if (bank > 1) {
|
|
romAddress = 0x4000;
|
|
}
|
|
// Blink led
|
|
blinkLED();
|
|
|
|
// Read up to 7FFF per bank
|
|
while (romAddress <= 0x7FFF) {
|
|
// Fill sdBuffer
|
|
myFile.read(sdBuffer, 512);
|
|
// Compare
|
|
for (int i = 0; i < 512; i++) {
|
|
if (readByte_GB(romAddress + i) != sdBuffer[i]) {
|
|
writeErrors++;
|
|
}
|
|
}
|
|
romAddress += 512;
|
|
}
|
|
}
|
|
// Close the file:
|
|
myFile.close();
|
|
|
|
if (writeErrors == 0) {
|
|
println_Msg(F("OK"));
|
|
display_Update();
|
|
} else {
|
|
println_Msg(F("Error"));
|
|
print_Msg(writeErrors);
|
|
print_STR(_bytes_STR, 1);
|
|
print_FatalError(did_not_verify_STR);
|
|
}
|
|
} else {
|
|
print_STR(open_file_STR, 1);
|
|
display_Update();
|
|
}
|
|
}
|
|
|
|
/******************************************
|
|
CFU flashrom functions
|
|
*****************************************/
|
|
|
|
/*
|
|
Flash chips can either be in x8 mode or x16 mode and sometimes the two
|
|
least significant bits on flash cartridges' data lines are swapped.
|
|
This function reads a byte and compensates for the differences.
|
|
This is only necessary for commands to the flash, not for data read from the flash, the MBC or SRAM.
|
|
|
|
address needs to be the x8 mode address of the flash register that should be read.
|
|
*/
|
|
byte readByteCompensated(int address) {
|
|
byte data = readByte_GB(address >> (flashX16Mode ? 1 : 0));
|
|
if (flashSwitchLastBits) {
|
|
return (data & 0b11111100) | ((data << 1) & 0b10) | ((data >> 1) & 0b01);
|
|
}
|
|
return data;
|
|
}
|
|
|
|
/*
|
|
Flash chips can either be in x8 mode or x16 mode and sometimes the two
|
|
least significant bits on flash cartridges' data lines are swapped.
|
|
This function writes a byte and compensates for the differences.
|
|
This is only necessary for commands to the flash, not for data written to the flash, the MBC or SRAM.
|
|
.
|
|
address needs to be the x8 mode address of the flash register that should be read.
|
|
*/
|
|
void writeByteCompensated(int address, byte data) {
|
|
if (flashSwitchLastBits) {
|
|
data = (data & 0b11111100) | ((data << 1) & 0b10) | ((data >> 1) & 0b01);
|
|
}
|
|
writeByte_GB(address >> (flashX16Mode ? 1 : 0), data);
|
|
}
|
|
|
|
void startCFIMode(boolean x16Mode) {
|
|
if (x16Mode) {
|
|
writeByte_GB(0x555, 0xf0); //x16 mode reset command
|
|
delay(500);
|
|
writeByte_GB(0x555, 0xf0); //Double reset to get out of possible Autoselect + CFI mode
|
|
delay(500);
|
|
writeByte_GB(0x55, 0x98); //x16 CFI Query command
|
|
} else {
|
|
writeByte_GB(0xAAA, 0xf0); //x8 mode reset command
|
|
delay(100);
|
|
writeByte_GB(0xAAA, 0xf0); //Double reset to get out of possible Autoselect + CFI mode
|
|
delay(100);
|
|
writeByte_GB(0xAA, 0x98); //x8 CFI Query command
|
|
}
|
|
}
|
|
|
|
/* Identify the different flash chips.
|
|
Sets the global variables flashBanks, flashX16Mode and flashSwitchLastBits
|
|
*/
|
|
void identifyCFI_GB() {
|
|
// Reset flash
|
|
display_Clear();
|
|
writeByte_GB(0x6000, 0); // Set ROM Mode
|
|
writeByte_GB(0x2000, 0); // Set Bank to 0
|
|
writeByte_GB(0x3000, 0);
|
|
|
|
startCFIMode(false); // Trying x8 mode first
|
|
|
|
display_Clear();
|
|
// Try x8 mode first
|
|
char cfiQRYx8[7];
|
|
char cfiQRYx16[7];
|
|
sprintf(cfiQRYx8, "%02X%02X%02X", readByte_GB(0x20), readByte_GB(0x22), readByte_GB(0x24));
|
|
sprintf(cfiQRYx16, "%02X%02X%02X", readByte_GB(0x10), readByte_GB(0x11), readByte_GB(0x12)); // some devices use x8-style CFI Query command even though they are in x16 command mode
|
|
if (strcmp(cfiQRYx8, "515259") == 0) { // QRY in x8 mode
|
|
println_Msg(F("Normal CFI x8 Mode"));
|
|
flashX16Mode = false;
|
|
flashSwitchLastBits = false;
|
|
} else if (strcmp(cfiQRYx8, "52515A") == 0) { // QRY in x8 mode with switched last bit
|
|
println_Msg(F("Switched CFI x8 Mode"));
|
|
flashX16Mode = false;
|
|
flashSwitchLastBits = true;
|
|
} else if (strcmp(cfiQRYx16, "515259") == 0) { // QRY in x16 mode
|
|
println_Msg(F("Normal CFI x16 Mode"));
|
|
flashX16Mode = true;
|
|
flashSwitchLastBits = false;
|
|
} else if (strcmp(cfiQRYx16, "52515A") == 0) { // QRY in x16 mode with switched last bit
|
|
println_Msg(F("Switched CFI x16 Mode"));
|
|
flashX16Mode = true;
|
|
flashSwitchLastBits = true;
|
|
} else {
|
|
startCFIMode(true); // Try x16 mode next
|
|
sprintf(cfiQRYx16, "%02X%02X%02X", readByte_GB(0x10), readByte_GB(0x11), readByte_GB(0x12));
|
|
if (strcmp(cfiQRYx16, "515259") == 0) { // QRY in x16 mode
|
|
println_Msg(F("Normal CFI x16 Mode"));
|
|
flashX16Mode = true;
|
|
flashSwitchLastBits = false;
|
|
} else if (strcmp(cfiQRYx16, "52515A") == 0) { // QRY in x16 mode with switched last bit
|
|
println_Msg(F("Switched CFI x16 Mode"));
|
|
flashX16Mode = true;
|
|
flashSwitchLastBits = true;
|
|
} else {
|
|
println_Msg(F("CFI Query failed!"));
|
|
display_Update();
|
|
wait();
|
|
return;
|
|
}
|
|
}
|
|
flashBanks = 1 << (readByteCompensated(0x4E) - 14); // - flashX16Mode);
|
|
|
|
// Reset flash
|
|
writeByteCompensated(0xAAA, 0xf0);
|
|
delay(100);
|
|
}
|
|
|
|
// Write 29F032 flashrom
|
|
// A0-A13 directly connected to cart edge -> 16384(0x0-0x3FFF) bytes per bank -> 256(0x0-0xFF) banks
|
|
// A14-A21 connected to MBC5
|
|
// identifyFlash_GB() needs to be run before this!
|
|
bool writeCFI_GB() {
|
|
// Create filepath
|
|
sprintf(filePath, "%s/%s", filePath, fileName);
|
|
|
|
// Open file on sd card
|
|
if (myFile.open(filePath, O_READ)) {
|
|
// Get rom size from file
|
|
myFile.seekCur(0x147);
|
|
romType = myFile.read();
|
|
romSize = myFile.read();
|
|
// Go back to file beginning
|
|
myFile.seekSet(0);
|
|
|
|
// ROM banks
|
|
switch (romSize) {
|
|
case 0x00:
|
|
romBanks = 2;
|
|
break;
|
|
case 0x01:
|
|
romBanks = 4;
|
|
break;
|
|
case 0x02:
|
|
romBanks = 8;
|
|
break;
|
|
case 0x03:
|
|
romBanks = 16;
|
|
break;
|
|
case 0x04:
|
|
romBanks = 32;
|
|
break;
|
|
case 0x05:
|
|
romBanks = 64;
|
|
break;
|
|
case 0x06:
|
|
romBanks = 128;
|
|
break;
|
|
case 0x07:
|
|
romBanks = 256;
|
|
break;
|
|
default:
|
|
romBanks = 2;
|
|
}
|
|
|
|
if (romBanks <= flashBanks) {
|
|
print_Msg(F("Using "));
|
|
print_Msg(romBanks);
|
|
print_Msg(F("/"));
|
|
print_Msg(flashBanks);
|
|
println_Msg(F(" Banks"));
|
|
display_Update();
|
|
} else {
|
|
println_Msg(F("Error: Flash has too few banks!"));
|
|
print_Msg(F("Has "));
|
|
print_Msg(flashBanks);
|
|
println_Msg(F(" banks,"));
|
|
print_Msg(F("but needs "));
|
|
print_Msg(romBanks);
|
|
println_Msg(F("."));
|
|
// Prints string out of the common strings array either with or without newline
|
|
print_STR(press_button_STR, 1);
|
|
display_Update();
|
|
wait();
|
|
resetArduino();
|
|
}
|
|
|
|
// Set ROM bank hi 0
|
|
writeByte_GB(0x3000, 0);
|
|
// Set ROM bank low 0
|
|
writeByte_GB(0x2000, 0);
|
|
delay(100);
|
|
|
|
// Reset flash
|
|
writeByteCompensated(0xAAA, 0xf0);
|
|
delay(100);
|
|
|
|
// Reset flash
|
|
writeByte_GB(0x555, 0xf0);
|
|
|
|
delay(100);
|
|
println_Msg(F("Erasing flash"));
|
|
display_Update();
|
|
|
|
// Erase flash
|
|
writeByteCompensated(0xAAA, 0xaa);
|
|
writeByteCompensated(0x555, 0x55);
|
|
writeByteCompensated(0xAAA, 0x80);
|
|
writeByteCompensated(0xAAA, 0xaa);
|
|
writeByteCompensated(0x555, 0x55);
|
|
writeByteCompensated(0xAAA, 0x10);
|
|
|
|
// Read the status register
|
|
byte statusReg = readByte_GB(0);
|
|
|
|
// After a completed erase D7 will output 1
|
|
while ((statusReg & 0x80) != 0x80) {
|
|
// Blink led
|
|
blinkLED();
|
|
delay(100);
|
|
// Update Status
|
|
statusReg = readByte_GB(0);
|
|
}
|
|
|
|
// Blankcheck
|
|
println_Msg(F("Blankcheck"));
|
|
display_Update();
|
|
|
|
// Read x number of banks
|
|
for (word currBank = 0; currBank < romBanks; currBank++) {
|
|
// Blink led
|
|
blinkLED();
|
|
|
|
// Set ROM bank
|
|
writeByte_GB(0x2000, currBank);
|
|
|
|
for (unsigned int currAddr = 0x4000; currAddr < 0x7FFF; currAddr += 512) {
|
|
for (int currByte = 0; currByte < 512; currByte++) {
|
|
sdBuffer[currByte] = readByte_GB(currAddr + currByte);
|
|
}
|
|
for (int j = 0; j < 512; j++) {
|
|
if (sdBuffer[j] != 0xFF) {
|
|
println_Msg(F("Not empty"));
|
|
print_FatalError(F("Erase failed"));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
println_Msg(F("Writing flash MBC3/5"));
|
|
display_Update();
|
|
|
|
// Write flash
|
|
word currAddr = 0;
|
|
word endAddr = 0x3FFF;
|
|
|
|
for (word currBank = 0; currBank < romBanks; currBank++) {
|
|
// Blink led
|
|
blinkLED();
|
|
|
|
// Set ROM bank
|
|
writeByte_GB(0x2100, currBank);
|
|
// 0x2A8000 fix
|
|
writeByte_GB(0x4000, 0x0);
|
|
|
|
if (currBank > 0) {
|
|
currAddr = 0x4000;
|
|
endAddr = 0x7FFF;
|
|
}
|
|
|
|
while (currAddr <= endAddr) {
|
|
myFile.read(sdBuffer, 512);
|
|
|
|
for (int currByte = 0; currByte < 512; currByte++) {
|
|
// Write command sequence
|
|
writeByteCompensated(0xAAA, 0xaa);
|
|
writeByteCompensated(0x555, 0x55);
|
|
writeByteCompensated(0xAAA, 0xa0);
|
|
|
|
// Write current byte
|
|
writeByte_GB(currAddr + currByte, sdBuffer[currByte]);
|
|
|
|
// Setting CS(PH3) and OE/RD(PH6) LOW
|
|
PORTH &= ~((1 << 3) | (1 << 6));
|
|
|
|
// Busy check
|
|
short i = 0;
|
|
while ((PINC & 0x80) != (sdBuffer[currByte] & 0x80)) {
|
|
i++;
|
|
if (i > 500) {
|
|
if (currAddr < 0x4000) { // This happens when trying to flash an MBC5 as if it was an MBC3. Retry to flash as MBC5, starting from last successfull byte.
|
|
currByte--;
|
|
currAddr += 0x4000;
|
|
endAddr = 0x7FFF;
|
|
break;
|
|
} else { // If a timeout happens while trying to flash MBC5-style, flashing failed.
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Switch CS(PH3) and OE/RD(PH6) to HIGH
|
|
PORTH |= (1 << 3) | (1 << 6);
|
|
__asm__("nop\n\tnop\n\tnop\n\t"); // Waste a few CPU cycles to remove write errors
|
|
}
|
|
currAddr += 512;
|
|
}
|
|
}
|
|
|
|
display_Clear();
|
|
println_Msg(F("Verifying"));
|
|
display_Update();
|
|
|
|
// Go back to file beginning
|
|
myFile.seekSet(0);
|
|
//unsigned int addr = 0; // unused
|
|
writeErrors = 0;
|
|
|
|
// Verify flashrom
|
|
word romAddress = 0;
|
|
|
|
// Read number of banks and switch banks
|
|
for (word bank = 1; bank < romBanks; bank++) {
|
|
if (romType >= 5) { // MBC2 and above
|
|
writeByte_GB(0x2100, bank); // Set ROM bank
|
|
} else { // MBC1
|
|
writeByte_GB(0x6000, 0); // Set ROM Mode
|
|
writeByte_GB(0x4000, bank >> 5); // Set bits 5 & 6 (01100000) of ROM bank
|
|
writeByte_GB(0x2000, bank & 0x1F); // Set bits 0 & 4 (00011111) of ROM bank
|
|
}
|
|
|
|
if (bank > 1) {
|
|
romAddress = 0x4000;
|
|
}
|
|
// Blink led
|
|
blinkLED();
|
|
|
|
// Read up to 7FFF per bank
|
|
while (romAddress <= 0x7FFF) {
|
|
// Fill sdBuffer
|
|
myFile.read(sdBuffer, 512);
|
|
// Compare
|
|
for (int i = 0; i < 512; i++) {
|
|
if (readByte_GB(romAddress + i) != sdBuffer[i]) {
|
|
writeErrors++;
|
|
}
|
|
}
|
|
romAddress += 512;
|
|
}
|
|
}
|
|
// Close the file:
|
|
myFile.close();
|
|
|
|
if (writeErrors == 0) {
|
|
println_Msg(F("OK"));
|
|
display_Update();
|
|
} else {
|
|
print_STR(error_STR, 0);
|
|
print_Msg(writeErrors);
|
|
print_STR(_bytes_STR, 1);
|
|
print_Error(did_not_verify_STR);
|
|
}
|
|
} else {
|
|
print_STR(open_file_STR, 1);
|
|
display_Update();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**************************************************
|
|
Pelican Gameboy Device Read Function
|
|
**************************************************/
|
|
// Read Pelican GBC Device - All Brainboys, MonsterBrains, Codebreakers
|
|
void readPelican_GB() {
|
|
// Get name, add extension and convert to char array for sd lib
|
|
strcpy(fileName, "Pelican");
|
|
strcat(fileName, ".GB");
|
|
|
|
// create a new folder for the rom file
|
|
EEPROM_readAnything(0, foldern);
|
|
sprintf(folder, "GB/ROM/Pelican/%d", foldern);
|
|
sd.mkdir(folder, true);
|
|
sd.chdir(folder);
|
|
|
|
display_Clear();
|
|
print_STR(saving_to_STR, 0);
|
|
print_Msg(folder);
|
|
println_Msg(F("/..."));
|
|
display_Update();
|
|
|
|
// write new folder number back to eeprom
|
|
foldern = foldern + 1;
|
|
EEPROM_writeAnything(0, foldern);
|
|
|
|
//open file on sd card
|
|
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
|
print_FatalError(create_file_STR);
|
|
}
|
|
|
|
word finalAddress = 0x3FFF;
|
|
word startAddress= 0x2000;
|
|
word bankAddress = 0xA000;
|
|
|
|
//Enable bank addressing in the CPLD
|
|
readByte_GB(0x100);
|
|
|
|
// W29C020 ID command sequence
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xAA);
|
|
writeByteSRAM_GB(0xA000, 0x1);
|
|
writeByte_GB(0x2AAA, 0x55);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0x80);
|
|
writeByte_GB(0x3555, 0xAA);
|
|
writeByteSRAM_GB(0xA000, 0x1);
|
|
writeByte_GB(0x2AAA, 0x55);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0x60);
|
|
delay(10);
|
|
|
|
// Read the two id bytes into a string
|
|
writeByteSRAM_GB(0xA000, 0x0);
|
|
flashid = readByte_GB(0) << 8;
|
|
flashid |= readByte_GB(1);
|
|
|
|
// W29C020 Flash ID Mode Exit
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xAA);
|
|
writeByteSRAM_GB(0xA000, 0x1);
|
|
writeByte_GB(0x2AAA, 0x55);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xF0);
|
|
delay(100);
|
|
|
|
if (flashid == 0xDA45 || flashid == 0xBF10) {
|
|
println_Msg(F("29EE020 / W29C020"));
|
|
println_Msg(F("Banks Used: 32/64"));
|
|
println_Msg(F("Rom Size: 256 KB"));
|
|
romBanks = 32;
|
|
display_Update();
|
|
} else {
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xFF);
|
|
delay(100);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0x90);
|
|
delay(100);
|
|
flashid = readByte_GB(0) << 8;
|
|
flashid |= readByte_GB(1);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xFF);
|
|
delay(100);
|
|
if (flashid != 0xBF04) {
|
|
println_Msg(F("Unknown Flash ID"));
|
|
println_Msg(flashid);
|
|
print_STR(press_button_STR, 1);
|
|
display_Update();
|
|
wait();
|
|
mainMenu();
|
|
}
|
|
}
|
|
|
|
if (flashid == 0xBF04) {
|
|
println_Msg(F("SST 28LF040"));
|
|
println_Msg(F("Banks Used: 64/64"));
|
|
println_Msg(F("Rom Size: 512 KB"));
|
|
romBanks = 64;
|
|
display_Update();
|
|
}
|
|
|
|
// Initialize progress bar
|
|
uint32_t processedProgressBar = 0;
|
|
uint32_t totalProgressBar = (uint32_t)(romBanks)*8192;
|
|
draw_progressbar(0, totalProgressBar);
|
|
|
|
for (size_t workBank = 0; workBank < romBanks; workBank++) { // Loop over banks
|
|
|
|
startAddress = 0x2000;
|
|
|
|
writeByteSRAM_GB(bankAddress, (workBank & 0xFF));
|
|
|
|
// Read banks and save to SD
|
|
while (startAddress <= finalAddress) {
|
|
for (int i = 0; i < 512; i++) {
|
|
sdBuffer[i] = readByte_GB(startAddress + i);
|
|
}
|
|
myFile.write(sdBuffer, 512);
|
|
startAddress += 512;
|
|
processedProgressBar += 512;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
}
|
|
}
|
|
|
|
// Close the file:
|
|
myFile.close();
|
|
}
|
|
|
|
/******************************************
|
|
Pelican Gameboy Device Write Function
|
|
*****************************************/
|
|
// Write Pelican GBC Device - All Brainboys, MonsterBrains, Codebreakers
|
|
void writePelican_GB() {
|
|
// Launch filebrowser
|
|
filePath[0] = '\0';
|
|
sd.chdir("/");
|
|
fileBrowser(F("Select file"));
|
|
display_Clear();
|
|
|
|
// Create filepath
|
|
sprintf(filePath, "%s/%s", filePath, fileName);
|
|
|
|
// Open file on sd card
|
|
if (myFile.open(filePath, O_READ)) {
|
|
|
|
// Enable Rom Banks
|
|
readByte_GB(0x100);
|
|
delay(100);
|
|
|
|
// W29C020 ID command sequence
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xAA);
|
|
writeByteSRAM_GB(0xA000, 0x1);
|
|
writeByte_GB(0x2AAA, 0x55);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0x80);
|
|
writeByte_GB(0x3555, 0xAA);
|
|
writeByteSRAM_GB(0xA000, 0x1);
|
|
writeByte_GB(0x2AAA, 0x55);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0x60);
|
|
delay(10);
|
|
|
|
// Read the two id bytes into a string
|
|
writeByteSRAM_GB(0xA000, 0x0);
|
|
flashid = readByte_GB(0) << 8;
|
|
flashid |= readByte_GB(1);
|
|
|
|
// W29C020 Flash ID Mode Exit
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xAA);
|
|
writeByteSRAM_GB(0xA000, 0x1);
|
|
writeByte_GB(0x2AAA, 0x55);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xF0);
|
|
delay(100);
|
|
|
|
if (flashid == 0xDA45 || flashid == 0xBF10) {
|
|
println_Msg(F("29EE020 / W29C020"));
|
|
println_Msg(F("Banks Used: 32/64"));
|
|
romBanks = 32;
|
|
display_Update();
|
|
println_Msg(F("Erasing flash..."));
|
|
display_Update();
|
|
|
|
if (flashid == 0xDA45) {
|
|
// Disable BootBlock
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xAA);
|
|
writeByteSRAM_GB(0xA000, 0x1);
|
|
writeByte_GB(0x2AAA, 0x55);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0x80);
|
|
writeByte_GB(0x3555, 0xAA);
|
|
writeByteSRAM_GB(0xA000, 0x1);
|
|
writeByte_GB(0x2AAA, 0x55);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0x40);
|
|
writeByteSRAM_GB(0xA000, 0x1);
|
|
writeByte_GB(0x2AAA, 0xAA);
|
|
delay(100);
|
|
}
|
|
|
|
// Erase flash
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xAA);
|
|
writeByteSRAM_GB(0xA000, 0x1);
|
|
writeByte_GB(0x2AAA, 0x55);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0x80);
|
|
writeByte_GB(0x3555, 0xAA);
|
|
writeByteSRAM_GB(0xA000, 0x1);
|
|
writeByte_GB(0x2AAA, 0x55);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0x10);
|
|
delay(1000);
|
|
} else {
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xFF);
|
|
delay(100);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0x90);
|
|
delay(100);
|
|
flashid = readByte_GB(0) << 8;
|
|
flashid |= readByte_GB(1);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xFF);
|
|
delay(100);
|
|
if (flashid != 0xBF04) {
|
|
println_Msg(F("Unknown Flash ID"));
|
|
println_Msg(flashid);
|
|
print_STR(press_button_STR, 1);
|
|
display_Update();
|
|
wait();
|
|
mainMenu();
|
|
}
|
|
}
|
|
|
|
if (flashid == 0xBF04) {
|
|
println_Msg(F("SST 28LF040"));
|
|
println_Msg(F("Banks Used: 64/64"));
|
|
romBanks = 64;
|
|
display_Update();
|
|
println_Msg(F("Erasing flash..."));
|
|
display_Update();
|
|
|
|
//Unprotect flash
|
|
writeByteSRAM_GB(0xA000, 0x0);
|
|
readByte_GB(0x3823);
|
|
readByte_GB(0x3820);
|
|
readByte_GB(0x3822);
|
|
readByte_GB(0x2418);
|
|
readByte_GB(0x241B);
|
|
readByte_GB(0x2419);
|
|
readByte_GB(0x241A);
|
|
delay(100);
|
|
|
|
//Erase flash
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0x30);
|
|
writeByte_GB(0x3555, 0x30);
|
|
delay(100);
|
|
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xFF);
|
|
delay(100);
|
|
}
|
|
|
|
// Blankcheck
|
|
println_Msg(F("Blankcheck..."));
|
|
display_Update();
|
|
|
|
// Read x number of banks
|
|
for (word currBank = 0; currBank < romBanks; currBank++) {
|
|
// Blink led
|
|
blinkLED();
|
|
|
|
// Set ROM bank
|
|
writeByteSRAM_GB(0xA000, currBank);
|
|
|
|
for (word currAddr = 0x2000; currAddr < 0x4000; currAddr += 0x200) {
|
|
for (int currByte = 0; currByte < 512; currByte++) {
|
|
sdBuffer[currByte] = readByte_GB(currAddr + currByte);
|
|
}
|
|
for (int j = 0; j < 512; j++) {
|
|
if (sdBuffer[j] != 0xFF) {
|
|
println_Msg(F("Not empty"));
|
|
print_FatalError(F("Erase failed"));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
println_Msg(F("Writing flash..."));
|
|
display_Update();
|
|
|
|
// Write flash
|
|
word currAddr = 0x2000;
|
|
word endAddr = 0x3FFF;
|
|
byte byte1;
|
|
byte byte2;
|
|
bool toggle = true;
|
|
|
|
//Unprotect flash
|
|
writeByteSRAM_GB(0xA000, 0x0);
|
|
readByte_GB(0x3823);
|
|
readByte_GB(0x3820);
|
|
readByte_GB(0x3822);
|
|
readByte_GB(0x2418);
|
|
readByte_GB(0x241B);
|
|
readByte_GB(0x2419);
|
|
readByte_GB(0x241A);
|
|
delay(100);
|
|
|
|
//Initialize progress bar
|
|
uint32_t processedProgressBar = 0;
|
|
uint32_t totalProgressBar = (uint32_t)(romBanks)*8192;
|
|
draw_progressbar(0, totalProgressBar);
|
|
|
|
for (word currBank = 0; currBank < romBanks; currBank++) {
|
|
// Blink led
|
|
blinkLED();
|
|
currAddr = 0x2000;
|
|
|
|
if (flashid == 0xDA45 || flashid == 0xBF10) {
|
|
while (currAddr <= endAddr) {
|
|
myFile.read(sdBuffer, 128);
|
|
|
|
// Write command sequence
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xAA);
|
|
writeByteSRAM_GB(0xA000, 0x1);
|
|
writeByte_GB(0x2AAA, 0x55);
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0xA0);
|
|
|
|
// Set ROM bank
|
|
writeByteSRAM_GB(0xA000, currBank);
|
|
|
|
for (int currByte = 0; currByte < 128; currByte++) {
|
|
|
|
// Write current byte
|
|
writeByte_GB(currAddr + currByte, sdBuffer[currByte]);
|
|
}
|
|
currAddr += 128;
|
|
processedProgressBar += 128;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
delay(10);
|
|
}
|
|
}
|
|
|
|
if (flashid == 0xBF04) {
|
|
while (currAddr <= endAddr) {
|
|
myFile.read(sdBuffer, 512);
|
|
|
|
for (int currByte = 0; currByte < 512; currByte++) {
|
|
|
|
toggle = true;
|
|
// Write current byte
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0x10);
|
|
writeByteSRAM_GB(0xA000, currBank);
|
|
writeByte_GB(currAddr + currByte, sdBuffer[currByte]);
|
|
while (toggle) {
|
|
byte1 = readByte_GB(currAddr + currByte);
|
|
byte2 = readByte_GB(currAddr + currByte);
|
|
toggle = isToggle(byte1, byte2);
|
|
}
|
|
byte1 = readByte_GB(currAddr + currByte);
|
|
if (byte1 != sdBuffer[currByte]) {
|
|
writeByteSRAM_GB(0xA000, 0x2);
|
|
writeByte_GB(0x3555, 0x10);
|
|
writeByteSRAM_GB(0xA000, currBank);
|
|
writeByte_GB(currAddr + currByte, sdBuffer[currByte]);
|
|
while (toggle) {
|
|
byte1 = readByte_GB(currAddr + currByte);
|
|
byte2 = readByte_GB(currAddr + currByte);
|
|
toggle = isToggle(byte1, byte2);
|
|
}
|
|
}
|
|
}
|
|
currAddr += 512;
|
|
processedProgressBar += 512;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (flashid == 0xBF04) {
|
|
//Protect flash
|
|
writeByteSRAM_GB(0xA000, 0x0);
|
|
readByte_GB(0x3823);
|
|
readByte_GB(0x3820);
|
|
readByte_GB(0x3822);
|
|
readByte_GB(0x2418);
|
|
readByte_GB(0x241B);
|
|
readByte_GB(0x2419);
|
|
readByte_GB(0x240A);
|
|
delay(100);
|
|
}
|
|
|
|
display_Clear();
|
|
print_STR(verifying_STR, 0);
|
|
display_Update();
|
|
|
|
// Go back to file beginning
|
|
myFile.seekSet(0);
|
|
//unsigned int addr = 0; // unused
|
|
writeErrors = 0;
|
|
|
|
// Verify flashrom
|
|
word romAddress = 0x2000;
|
|
|
|
// Read number of banks and switch banks
|
|
for (word bank = 0; bank < romBanks; bank++) {
|
|
writeByteSRAM_GB(0xA000, bank); // Set ROM bank
|
|
romAddress = 0x2000;
|
|
|
|
// Blink led
|
|
blinkLED();
|
|
|
|
// Read up to 3FFF per bank
|
|
while (romAddress < 0x4000) {
|
|
// Fill sdBuffer
|
|
myFile.read(sdBuffer, 512);
|
|
// Compare
|
|
for (int i = 0; i < 512; i++) {
|
|
if (readByte_GB(romAddress + i) != sdBuffer[i]) {
|
|
writeErrors++;
|
|
}
|
|
}
|
|
romAddress += 512;
|
|
}
|
|
}
|
|
// Close the file:
|
|
myFile.close();
|
|
|
|
if (writeErrors == 0) {
|
|
println_Msg(F("OK"));
|
|
println_Msg(F("Please turn off the power."));
|
|
display_Update();
|
|
} else {
|
|
println_Msg(F("Error"));
|
|
print_Msg(writeErrors);
|
|
print_STR(_bytes_STR, 1);
|
|
print_FatalError(did_not_verify_STR);
|
|
}
|
|
}
|
|
|
|
bool isToggle(byte byte1, byte byte2) {
|
|
// XOR the two bytes to get the bits that are different
|
|
byte difference = byte1 ^ byte2;
|
|
difference = difference & 0b00100000;
|
|
|
|
// Check if only the 6th bit is different
|
|
return difference == 0b00100000;
|
|
}
|
|
|
|
/******************************************************
|
|
Datel Mega Memory Card Gameboy Device Read Function
|
|
******************************************************/
|
|
// Read Mega Memory Card Rom and Save Backup Data
|
|
void readMegaMem_GB() {
|
|
// Dump the Rom
|
|
strcpy(fileName, "Rom");
|
|
strcat(fileName, ".GB");
|
|
|
|
// create a new folder for the rom file
|
|
EEPROM_readAnything(0, foldern);
|
|
sprintf(folder, "GB/ROM/MegaMem/%d", foldern);
|
|
sd.mkdir(folder, true);
|
|
sd.chdir(folder);
|
|
|
|
display_Clear();
|
|
print_STR(saving_to_STR, 0);
|
|
print_Msg(folder);
|
|
println_Msg(F("/..."));
|
|
println_Msg(F("Rom.GB"));
|
|
display_Update();
|
|
|
|
//open file on sd card
|
|
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
|
print_FatalError(create_file_STR);
|
|
}
|
|
|
|
word finalAddress = 0x3FFF;
|
|
word startAddress= 0x0;
|
|
|
|
// Initialize progress bar
|
|
uint32_t processedProgressBar = 0;
|
|
uint32_t totalProgressBar = (uint32_t)16384;
|
|
draw_progressbar(0, totalProgressBar);
|
|
|
|
// Read banks and save to SD
|
|
while (startAddress <= finalAddress) {
|
|
for (int i = 0; i < 512; i++) {
|
|
sdBuffer[i] = readByte_GB(startAddress + i);
|
|
}
|
|
myFile.write(sdBuffer, 512);
|
|
startAddress += 512;
|
|
processedProgressBar += 512;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
}
|
|
|
|
// Close the file:
|
|
myFile.close();
|
|
|
|
// Dump the Save Data SST28LF040
|
|
strcpy(fileName, "SaveData");
|
|
strcat(fileName, ".bin");
|
|
|
|
display_Clear();
|
|
print_STR(saving_to_STR, 0);
|
|
print_Msg(folder);
|
|
println_Msg(F("/..."));
|
|
println_Msg(F("SaveData.bin"));
|
|
display_Update();
|
|
|
|
// write new folder number back to eeprom
|
|
foldern = foldern + 1;
|
|
EEPROM_writeAnything(0, foldern);
|
|
|
|
//open file on sd card
|
|
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
|
print_FatalError(create_file_STR);
|
|
}
|
|
|
|
finalAddress = 0x7FFF;
|
|
startAddress= 0x4000;
|
|
word bankAddress = 0x2000;
|
|
romBanks = 32;
|
|
|
|
// Initialize progress bar
|
|
processedProgressBar = 0;
|
|
totalProgressBar = (uint32_t)(romBanks)*8192;
|
|
draw_progressbar(0, totalProgressBar);
|
|
|
|
for (size_t workBank = 0; workBank < romBanks; workBank++) { // Loop over banks
|
|
|
|
startAddress = 0x4000;
|
|
|
|
writeByte_GB(bankAddress, (workBank & 0xFF));
|
|
|
|
// Read banks and save to SD
|
|
while (startAddress <= finalAddress) {
|
|
for (int i = 0; i < 512; i++) {
|
|
sdBuffer[i] = readByte_GB(startAddress + i);
|
|
}
|
|
myFile.write(sdBuffer, 512);
|
|
startAddress += 512;
|
|
processedProgressBar += 512;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
}
|
|
}
|
|
|
|
// Close the file:
|
|
myFile.close();
|
|
}
|
|
|
|
/*******************************************************
|
|
Datel Mega Memory Card Gameboy Device Write Function
|
|
*******************************************************/
|
|
// Read Mega Memory Card Rom and Save Backup Data
|
|
void writeMegaMem_GB() {
|
|
// Write Datel Mega Memory Card Save Storage Chip SST28LF040
|
|
filePath[0] = '\0';
|
|
sd.chdir("/");
|
|
fileBrowser(F("Select file"));
|
|
display_Clear();
|
|
|
|
// Create filepath
|
|
sprintf(filePath, "%s/%s", filePath, fileName);
|
|
|
|
// Open file on sd card
|
|
if (myFile.open(filePath, O_READ)) {
|
|
|
|
writeByte_GB(0x2000, 0x1);
|
|
writeByte_GB(0x5555, 0xFF);
|
|
delay(100);
|
|
writeByte_GB(0x2000, 0x1);
|
|
writeByte_GB(0x5555, 0x90);
|
|
delay(100);
|
|
writeByte_GB(0x2000, 0x0);
|
|
flashid = readByte_GB(0x4000) << 8;
|
|
flashid |= readByte_GB(0x4001);
|
|
writeByte_GB(0x2000, 0x1);
|
|
writeByte_GB(0x5555, 0xFF);
|
|
delay(100);
|
|
if (flashid != 0xBF04) {
|
|
println_Msg(F("Unknown Flash ID"));
|
|
println_Msg(flashid);
|
|
print_STR(press_button_STR, 1);
|
|
display_Update();
|
|
wait();
|
|
mainMenu();
|
|
}
|
|
}
|
|
|
|
if (flashid == 0xBF04) {
|
|
println_Msg(F("SST 28LF040"));
|
|
romBanks = 32;
|
|
display_Update();
|
|
println_Msg(F("Erasing flash..."));
|
|
display_Update();
|
|
|
|
//Unprotect flash
|
|
writeByte_GB(0x2000, 0x0);
|
|
readByte_GB(0x5823);
|
|
readByte_GB(0x5820);
|
|
readByte_GB(0x5822);
|
|
readByte_GB(0x4418);
|
|
readByte_GB(0x441B);
|
|
readByte_GB(0x4419);
|
|
readByte_GB(0x441A);
|
|
delay(100);
|
|
|
|
//Erase flash
|
|
writeByte_GB(0x2000, 0x1);
|
|
writeByte_GB(0x5555, 0x30);
|
|
writeByte_GB(0x5555, 0x30);
|
|
delay(100);
|
|
|
|
writeByte_GB(0x2000, 0x1);
|
|
writeByte_GB(0x5555, 0xFF);
|
|
delay(100);
|
|
}
|
|
|
|
// Blankcheck
|
|
println_Msg(F("Blankcheck..."));
|
|
display_Update();
|
|
|
|
// Read x number of banks
|
|
for (word currBank = 0; currBank < romBanks; currBank++) {
|
|
// Blink led
|
|
blinkLED();
|
|
|
|
// Set ROM bank
|
|
writeByte_GB(0x2000, currBank);
|
|
|
|
for (word currAddr = 0x4000; currAddr < 0x8000; currAddr += 0x200) {
|
|
for (int currByte = 0; currByte < 512; currByte++) {
|
|
sdBuffer[currByte] = readByte_GB(currAddr + currByte);
|
|
}
|
|
for (int j = 0; j < 512; j++) {
|
|
if (sdBuffer[j] != 0xFF) {
|
|
println_Msg(F("Not empty"));
|
|
print_FatalError(F("Erase failed"));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
println_Msg(F("Writing flash..."));
|
|
display_Update();
|
|
|
|
// Write flash
|
|
word currAddr = 0x4000;
|
|
word endAddr = 0x7FFF;
|
|
byte byte1;
|
|
byte byte2;
|
|
bool toggle = true;
|
|
|
|
//Unprotect flash
|
|
writeByte_GB(0x2000, 0x0);
|
|
readByte_GB(0x5823);
|
|
readByte_GB(0x5820);
|
|
readByte_GB(0x5822);
|
|
readByte_GB(0x4418);
|
|
readByte_GB(0x441B);
|
|
readByte_GB(0x4419);
|
|
readByte_GB(0x441A);
|
|
delay(100);
|
|
|
|
//Initialize progress bar
|
|
uint32_t processedProgressBar = 0;
|
|
uint32_t totalProgressBar = (uint32_t)(romBanks)*8192;
|
|
draw_progressbar(0, totalProgressBar);
|
|
|
|
for (word currBank = 0; currBank < romBanks; currBank++) {
|
|
// Blink led
|
|
blinkLED();
|
|
currAddr = 0x4000;
|
|
|
|
if (flashid == 0xBF04) {
|
|
while (currAddr <= endAddr) {
|
|
myFile.read(sdBuffer, 512);
|
|
|
|
for (int currByte = 0; currByte < 512; currByte++) {
|
|
|
|
toggle = true;
|
|
// Write current byte
|
|
writeByte_GB(0x2000, 0x1);
|
|
writeByte_GB(0x5555, 0x10);
|
|
writeByte_GB(0x2000, currBank);
|
|
writeByte_GB(currAddr + currByte, sdBuffer[currByte]);
|
|
while (toggle) {
|
|
byte1 = readByte_GB(currAddr + currByte);
|
|
byte2 = readByte_GB(currAddr + currByte);
|
|
toggle = isToggle(byte1, byte2);
|
|
}
|
|
byte1 = readByte_GB(currAddr + currByte);
|
|
if (byte1 != sdBuffer[currByte]) {
|
|
writeByte_GB(0x2000, 0x1);
|
|
writeByte_GB(0x5555, 0x10);
|
|
writeByte_GB(0x2000, currBank);
|
|
writeByte_GB(currAddr + currByte, sdBuffer[currByte]);
|
|
while (toggle) {
|
|
byte1 = readByte_GB(currAddr + currByte);
|
|
byte2 = readByte_GB(currAddr + currByte);
|
|
toggle = isToggle(byte1, byte2);
|
|
}
|
|
}
|
|
}
|
|
currAddr += 512;
|
|
processedProgressBar += 512;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (flashid == 0xBF04) {
|
|
//Protect flash
|
|
writeByte_GB(0x2000, 0x0);
|
|
readByte_GB(0x5823);
|
|
readByte_GB(0x5820);
|
|
readByte_GB(0x5822);
|
|
readByte_GB(0x4418);
|
|
readByte_GB(0x441B);
|
|
readByte_GB(0x4419);
|
|
readByte_GB(0x440A);
|
|
delay(100);
|
|
}
|
|
|
|
display_Clear();
|
|
print_STR(verifying_STR, 0);
|
|
display_Update();
|
|
|
|
// Go back to file beginning
|
|
myFile.seekSet(0);
|
|
//unsigned int addr = 0; // unused
|
|
writeErrors = 0;
|
|
|
|
// Verify flashrom
|
|
word romAddress = 0x4000;
|
|
|
|
// Read number of banks and switch banks
|
|
for (word bank = 0; bank < romBanks; bank++) {
|
|
writeByte_GB(0x2000, bank); // Set ROM bank
|
|
romAddress = 0x4000;
|
|
|
|
// Blink led
|
|
blinkLED();
|
|
|
|
// Read up to 3FFF per bank
|
|
while (romAddress < 0x8000) {
|
|
// Fill sdBuffer
|
|
myFile.read(sdBuffer, 512);
|
|
// Compare
|
|
for (int i = 0; i < 512; i++) {
|
|
if (readByte_GB(romAddress + i) != sdBuffer[i]) {
|
|
writeErrors++;
|
|
}
|
|
}
|
|
romAddress += 512;
|
|
}
|
|
}
|
|
// Close the file:
|
|
myFile.close();
|
|
|
|
if (writeErrors == 0) {
|
|
println_Msg(F("OK"));
|
|
println_Msg(F("Please turn off the power."));
|
|
display_Update();
|
|
} else {
|
|
println_Msg(F("Error"));
|
|
print_Msg(writeErrors);
|
|
print_STR(_bytes_STR, 1);
|
|
print_FatalError(did_not_verify_STR);
|
|
}
|
|
}
|
|
|
|
/***************************************************
|
|
Datel GBC Gameshark Gameboy Device Read Function
|
|
***************************************************/
|
|
// Read Datel GBC Gameshark Device
|
|
void readGameshark_GB() {
|
|
// Get name, add extension and convert to char array for sd lib
|
|
strcpy(fileName, "Gameshark");
|
|
strcat(fileName, ".GB");
|
|
|
|
word finalAddress = 0x5FFF;
|
|
word startAddress= 0x4000;
|
|
word bankAddress = 0x7FE1;
|
|
romBanks = 16;
|
|
|
|
//Enable bank addressing in the CPLD
|
|
readByte_GB(0x101);
|
|
readByte_GB(0x108);
|
|
readByte_GB(0x101);
|
|
|
|
// SST 39SF010 ID command sequence
|
|
writeByte_GB(bankAddress, 0x2);
|
|
writeByte_GB(0x5555, 0xAA);
|
|
writeByte_GB(bankAddress, 0x1);
|
|
writeByte_GB(0x4AAA, 0x55);
|
|
writeByte_GB(bankAddress, 0x2);
|
|
writeByte_GB(0x5555, 0x90);
|
|
delay(10);
|
|
|
|
// Read the two id bytes into a string
|
|
writeByte_GB(bankAddress, 0x0);
|
|
flashid = readByte_GB(0x4000) << 8;
|
|
flashid |= readByte_GB(0x4001);
|
|
|
|
// SST 39SF010 Flash ID Mode Exit
|
|
writeByte_GB(bankAddress, 0x2);
|
|
writeByte_GB(0x5555, 0xAA);
|
|
writeByte_GB(bankAddress, 0x1);
|
|
writeByte_GB(0x4AAA, 0x55);
|
|
writeByte_GB(bankAddress, 0x2);
|
|
writeByte_GB(0x5555, 0xF0);
|
|
delay(100);
|
|
|
|
if (flashid == 0xBFB5) {
|
|
display_Clear();
|
|
println_Msg(F("SST 39SF010"));
|
|
println_Msg(F("Rom Size: 128 KB"));
|
|
display_Update();
|
|
} else {
|
|
display_Clear();
|
|
println_Msg(F("Unknown Flash ID"));
|
|
println_Msg(F("Check Cartridge Connection"));
|
|
print_STR(press_button_STR, 1);
|
|
display_Update();
|
|
wait();
|
|
mainMenu();
|
|
}
|
|
|
|
// create a new folder for the rom file
|
|
EEPROM_readAnything(0, foldern);
|
|
sprintf(folder, "GB/ROM/Gameshark/%d", foldern);
|
|
sd.mkdir(folder, true);
|
|
sd.chdir(folder);
|
|
|
|
print_STR(saving_to_STR, 0);
|
|
print_Msg(folder);
|
|
println_Msg(F("/..."));
|
|
display_Update();
|
|
|
|
// write new folder number back to eeprom
|
|
foldern = foldern + 1;
|
|
EEPROM_writeAnything(0, foldern);
|
|
|
|
//open file on sd card
|
|
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
|
print_FatalError(create_file_STR);
|
|
}
|
|
|
|
// Initialize progress bar
|
|
uint32_t processedProgressBar = 0;
|
|
uint32_t totalProgressBar = (uint32_t)(romBanks)*8192;
|
|
draw_progressbar(0, totalProgressBar);
|
|
|
|
for (size_t workBank = 0; workBank < romBanks; workBank++) { // Loop over banks
|
|
|
|
startAddress = 0x4000;
|
|
|
|
writeByte_GB(bankAddress, (workBank & 0xFF));
|
|
|
|
// Read banks and save to SD
|
|
while (startAddress <= finalAddress) {
|
|
for (int i = 0; i < 512; i++) {
|
|
sdBuffer[i] = readByte_GB(startAddress + i);
|
|
}
|
|
myFile.write(sdBuffer, 512);
|
|
startAddress += 512;
|
|
processedProgressBar += 512;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
}
|
|
}
|
|
|
|
// Close the file:
|
|
myFile.close();
|
|
}
|
|
|
|
/****************************************************
|
|
Datel GBC Gameshark Gameboy Device Write Function
|
|
****************************************************/
|
|
// Write Datel GBC Gameshark Device
|
|
void writeGameshark_GB() {
|
|
// Enable Rom Banks
|
|
readByte_GB(0x101);
|
|
readByte_GB(0x108);
|
|
readByte_GB(0x101);
|
|
delay(100);
|
|
|
|
// SST 39SF010 ID command sequence
|
|
writeByte_GB(0x7FE1, 0x2);
|
|
writeByte_GB(0x5555, 0xAA);
|
|
writeByte_GB(0x7FE1, 0x1);
|
|
writeByte_GB(0x4AAA, 0x55);
|
|
writeByte_GB(0x7FE1, 0x2);
|
|
writeByte_GB(0x5555, 0x90);
|
|
delay(10);
|
|
|
|
// Read the two id bytes into a string
|
|
writeByte_GB(0x7FE1, 0x0);
|
|
flashid = readByte_GB(0x4000) << 8;
|
|
flashid |= readByte_GB(0x4001);
|
|
|
|
// SST 39SF010 Flash ID Mode Exit
|
|
writeByte_GB(0x7FE1, 0x2);
|
|
writeByte_GB(0x5555, 0xAA);
|
|
writeByte_GB(0x7FE1, 0x1);
|
|
writeByte_GB(0x4AAA, 0x55);
|
|
writeByte_GB(0x7FE1, 0x2);
|
|
writeByte_GB(0x5555, 0xF0);
|
|
|
|
if (flashid != 0xBFB5) {
|
|
display_Clear();
|
|
println_Msg(F("Unknown Flash ID"));
|
|
println_Msg(F("Check Cartridge Connection"));
|
|
print_STR(press_button_STR, 1);
|
|
display_Update();
|
|
wait();
|
|
mainMenu();
|
|
}
|
|
|
|
// Launch filebrowser
|
|
filePath[0] = '\0';
|
|
sd.chdir("/");
|
|
fileBrowser(F("Select file"));
|
|
display_Clear();
|
|
|
|
byte byte1;
|
|
bool toggle = true;
|
|
|
|
// Create filepath
|
|
sprintf(filePath, "%s/%s", filePath, fileName);
|
|
|
|
// Open file on sd card
|
|
myFile.open(filePath, O_READ);
|
|
|
|
if (flashid == 0xBFB5) {
|
|
println_Msg(F("SST 39SF010"));
|
|
romBanks = 16;
|
|
display_Update();
|
|
println_Msg(F("Erasing flash..."));
|
|
display_Update();
|
|
|
|
//Erase flash
|
|
writeByte_GB(0x7FE1, 0x2);
|
|
writeByte_GB(0x5555, 0xAA);
|
|
writeByte_GB(0x7FE1, 0x1);
|
|
writeByte_GB(0x4AAA, 0x55);
|
|
writeByte_GB(0x7FE1, 0x2);
|
|
writeByte_GB(0x5555, 0x80);
|
|
writeByte_GB(0x7FE1, 0x2);
|
|
writeByte_GB(0x5555, 0xAA);
|
|
writeByte_GB(0x7FE1, 0x1);
|
|
writeByte_GB(0x4AAA, 0x55);
|
|
writeByte_GB(0x7FE1, 0x2);
|
|
writeByte_GB(0x5555, 0x10);
|
|
delay(100);
|
|
}
|
|
|
|
// Blankcheck
|
|
println_Msg(F("Blankcheck..."));
|
|
display_Update();
|
|
|
|
// Read x number of banks
|
|
for (word currBank = 0; currBank < romBanks; currBank++) {
|
|
// Blink led
|
|
blinkLED();
|
|
|
|
// Set ROM bank
|
|
writeByte_GB(0x7FE1, currBank);
|
|
|
|
for (word currAddr = 0x4000; currAddr < 0x6000; currAddr += 0x200) {
|
|
for (int currByte = 0; currByte < 512; currByte++) {
|
|
sdBuffer[currByte] = readByte_GB(currAddr + currByte);
|
|
}
|
|
for (int j = 0; j < 512; j++) {
|
|
if (sdBuffer[j] != 0xFF) {
|
|
println_Msg(F("Not empty"));
|
|
print_FatalError(F("Erase failed"));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
println_Msg(F("Writing flash..."));
|
|
display_Update();
|
|
|
|
// Write flash
|
|
word currAddr = 0x4000;
|
|
word endAddr = 0x5FFF;
|
|
|
|
//Initialize progress bar
|
|
uint32_t processedProgressBar = 0;
|
|
uint32_t totalProgressBar = (uint32_t)(romBanks)*8192;
|
|
draw_progressbar(0, totalProgressBar);
|
|
|
|
for (word currBank = 0; currBank < romBanks; currBank++) {
|
|
// Blink led
|
|
blinkLED();
|
|
currAddr = 0x4000;
|
|
|
|
while (currAddr <= endAddr) {
|
|
myFile.read(sdBuffer, 512);
|
|
|
|
for (int currByte = 0; currByte < 512; currByte++) {
|
|
|
|
// Write command sequence
|
|
writeByte_GB(0x7FE1, 0x2);
|
|
writeByte_GB(0x5555, 0xAA);
|
|
writeByte_GB(0x7FE1, 0x1);
|
|
writeByte_GB(0x4AAA, 0x55);
|
|
writeByte_GB(0x7FE1, 0x2);
|
|
writeByte_GB(0x5555, 0xA0);
|
|
|
|
// Set ROM bank
|
|
writeByte_GB(0x7FE1, currBank);
|
|
|
|
toggle = true;
|
|
|
|
// Write current byte
|
|
writeByte_GB(currAddr + currByte, sdBuffer[currByte]);
|
|
while (toggle) {
|
|
byte1 = readByte_GB(currAddr + currByte);
|
|
if (byte1 == sdBuffer[currByte]) {
|
|
toggle = false;
|
|
}
|
|
}
|
|
}
|
|
currAddr += 512;
|
|
processedProgressBar += 512;
|
|
draw_progressbar(processedProgressBar, totalProgressBar);
|
|
}
|
|
}
|
|
|
|
display_Clear();
|
|
print_STR(verifying_STR, 0);
|
|
display_Update();
|
|
|
|
// Go back to file beginning
|
|
myFile.seekSet(0);
|
|
//unsigned int addr = 0; // unused
|
|
writeErrors = 0;
|
|
|
|
// Verify flashrom
|
|
word romAddress = 0x4000;
|
|
|
|
// Read number of banks and switch banks
|
|
for (word bank = 0; bank < romBanks; bank++) {
|
|
writeByte_GB(0x7FE1, bank); // Set ROM bank
|
|
romAddress = 0x4000;
|
|
|
|
// Blink led
|
|
blinkLED();
|
|
|
|
// Read up to 1FFF per bank
|
|
while (romAddress < 0x6000) {
|
|
// Fill sdBuffer
|
|
myFile.read(sdBuffer, 512);
|
|
// Compare
|
|
for (int i = 0; i < 512; i++) {
|
|
if (readByte_GB(romAddress + i) != sdBuffer[i]) {
|
|
writeErrors++;
|
|
}
|
|
}
|
|
romAddress += 512;
|
|
}
|
|
}
|
|
// Close the file:
|
|
myFile.close();
|
|
|
|
if (writeErrors == 0) {
|
|
println_Msg(F("OK"));
|
|
println_Msg(F("Please turn off the power."));
|
|
display_Update();
|
|
} else {
|
|
println_Msg(F("Error"));
|
|
print_Msg(writeErrors);
|
|
print_STR(_bytes_STR, 1);
|
|
print_FatalError(did_not_verify_STR);
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
//******************************************
|
|
// End of File
|
|
//******************************************
|