mirror of
https://github.com/sanni/cartreader.git
synced 2024-11-10 23:15:08 +01:00
V6.5 Add GB Flash Submenu
This commit is contained in:
sanni
parent
5cd66122be
commit
b5fd53a39d
@ -1,8 +1,8 @@
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/**********************************************************************************
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Cartridge Reader for Arduino Mega2560
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Date: 09.06.2021
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Version: 6.4
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Date: 22.07.2021
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Version: 6.5
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SD lib: https://github.com/greiman/SdFat
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LCD lib: https://github.com/adafruit/Adafruit_SSD1306
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@ -43,7 +43,7 @@
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**********************************************************************************/
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char ver[5] = "6.4";
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char ver[5] = "6.5";
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/******************************************
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Libraries
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@ -19,27 +19,34 @@ uint16_t sramEndAddress = 0;
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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 = "Game Boy Advance";
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static const char gbxMenuItem3[] PROGMEM = "NPower GB Memory";
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static const char gbxMenuItem4[] PROGMEM = "GB Smart";
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static const char gbxMenuItem5[] PROGMEM = "Reset";
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static const char* const menuOptionsGBx[] PROGMEM = {gbxMenuItem1, gbxMenuItem2, gbxMenuItem3, gbxMenuItem4, gbxMenuItem5};
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static const char gbxMenuItem3[] PROGMEM = "Flash GBC Cart";
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static const char gbxMenuItem4[] PROGMEM = "Reset";
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static const char* const menuOptionsGBx[] PROGMEM = {gbxMenuItem1, gbxMenuItem2, gbxMenuItem3, gbxMenuItem4};
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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 = "Flash Cart";
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static const char GBMenuItem5[] PROGMEM = "Flash Cart and Save";
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static const char GBMenuItem6[] PROGMEM = "Reset";
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static const char* const menuOptionsGB[] PROGMEM = {GBMenuItem1, GBMenuItem2, GBMenuItem3, GBMenuItem4, GBMenuItem5, GBMenuItem6};
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static const char GBMenuItem4[] PROGMEM = "Reset";
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static const char* const menuOptionsGB[] PROGMEM = {GBMenuItem1, GBMenuItem2, GBMenuItem3, GBMenuItem4};
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// GB Flash items
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static const char GBFlashItem1[] PROGMEM = "CFI Cart";
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static const char GBFlashItem2[] PROGMEM = "CFI Cart and Save";
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static const char GBFlashItem3[] PROGMEM = "29F Cart (MBC3)";
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static const char GBFlashItem4[] PROGMEM = "29F Cart (MBC5)";
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static const char GBFlashItem5[] PROGMEM = "NPower GB Memory";
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static const char GBFlashItem6[] PROGMEM = "GB Smart";
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static const char GBFlashItem7[] PROGMEM = "Reset";
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static const char* const menuOptionsGBFlash[] PROGMEM = {GBFlashItem1, GBFlashItem2, GBFlashItem3, GBFlashItem4, GBFlashItem5, GBFlashItem6, GBFlashItem7};
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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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// create menu with title and 4 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, 5);
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gbType = question_box(F("Select Game Boy"), menuOptions, 5, 0);
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convertPgm(menuOptionsGBx, 4);
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gbType = question_box(F("Select Game Boy"), menuOptions, 4, 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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@ -51,7 +58,7 @@ void gbxMenu() {
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mode = mode_GB;
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break;
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case 1:
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case 2:
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display_Clear();
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display_Update();
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setup_GBA();
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@ -59,31 +66,184 @@ void gbxMenu() {
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break;
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case 2:
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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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// 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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{
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case 0:
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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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println_Msg(F("Press button..."));
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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 1:
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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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println_Msg(F("Press button..."));
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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 (sramEndAddress > 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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}
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else {
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print_Msg(F("Error: "));
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print_Msg(wrErrors);
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println_Msg(F(" bytes "));
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print_Error(F("did not verify."), false);
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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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}
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else {
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print_Error(F("Cart has no Sram"), false);
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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 2:
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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);
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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 3:
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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);
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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 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 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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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 4:
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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 6 options to choose from
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// create menu with title and 3 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, 6);
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mainMenu = question_box(F("GB Cart Reader"), menuOptions, 6, 0);
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convertPgm(menuOptionsGB, 3);
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mainMenu = question_box(F("GB Cart Reader"), menuOptions, 3, 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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@ -137,99 +297,6 @@ void gbMenu() {
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break;
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case 3:
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// Change working dir to root
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sd.chdir("/");
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//MBC3
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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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identifyFlash_GB();
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if (!writeFlash_GB()) {
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display_Clear();
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println_Msg(F("Flashing failed, time out!"));
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println_Msg(F("Press button..."));
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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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// Change working dir to root
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sd.chdir("/");
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//MBC5
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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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identifyFlash_GB();
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if (!writeFlash_GB()) {
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display_Clear();
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println_Msg(F("Flashing failed, time out!"));
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println_Msg(F("Press button..."));
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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 (sramEndAddress > 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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}
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else {
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print_Msg(F("Error: "));
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print_Msg(wrErrors);
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println_Msg(F(" bytes "));
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print_Error(F("did not verify."), false);
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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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}
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else {
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print_Error(F("Cart has no Sram"), false);
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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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resetArduino();
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break;
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}
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@ -353,10 +420,6 @@ void showCartInfo_GB() {
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}
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}
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/******************************************
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I/O Functions
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*****************************************/
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/******************************************
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Low level functions
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*****************************************/
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@ -522,6 +585,9 @@ void getCartInfo_GB() {
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}
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}
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/******************************************
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ROM functions
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*****************************************/
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// Dump ROM
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void readROM_GB() {
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// Get name, add extension and convert to char array for sd lib
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@ -651,6 +717,9 @@ boolean compare_checksum_GB() {
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}
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}
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/******************************************
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SRAM functions
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*****************************************/
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// Read RAM
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void readSRAM_GB() {
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// Does cartridge have RAM
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@ -833,33 +902,363 @@ unsigned long verifySRAM_GB() {
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}
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}
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/******************************************
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29F016/29F032/29F033 flashrom functions
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*****************************************/
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// Write 29F032 flashrom
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// A0-A13 directly connected to cart edge -> 16384(0x0-0x3FFF) bytes per bank -> 256(0x0-0xFF) banks
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// A14-A21 connected to MBC5
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void writeFlash29F_GB(byte MBC) {
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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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// Create filepath
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sprintf(filePath, "%s/%s", filePath, fileName);
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// Open file on sd card
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if (myFile.open(filePath, O_READ)) {
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// Get rom size from file
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myFile.seekCur(0x147);
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romType = myFile.read();
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romSize = myFile.read();
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// Go back to file beginning
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myFile.seekSet(0);
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// ROM banks
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romBanks = 2; // Default 32K
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if (romSize >= 1) { // Calculate rom size
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romBanks = 2 << romSize;
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}
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// Set data pins to output
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dataOut();
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// Set ROM bank hi 0
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writeByte_GB(0x3000, 0);
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// Set ROM bank low 0
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writeByte_GB(0x2000, 0);
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delay(100);
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// Reset flash
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writeByte_GB(0x555, 0xf0);
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delay(100);
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// ID command sequence
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writeByte_GB(0x555, 0xaa);
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writeByte_GB(0x2aa, 0x55);
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writeByte_GB(0x555, 0x90);
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dataIn_GB();
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// Read the two id bytes into a string
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sprintf(flashid, "%02X%02X", readByte_GB(0), readByte_GB(1));
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if (strcmp(flashid, "04D4") == 0) {
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println_Msg(F("MBM29F033C"));
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print_Msg(F("Banks: "));
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print_Msg(romBanks);
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println_Msg(F("/256"));
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display_Update();
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}
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else if (strcmp(flashid, "0141") == 0) {
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println_Msg(F("AM29F032B"));
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print_Msg(F("Banks: "));
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print_Msg(romBanks);
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println_Msg(F("/256"));
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display_Update();
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}
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else if (strcmp(flashid, "01AD") == 0) {
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println_Msg(F("AM29F016B"));
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print_Msg(F("Banks: "));
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print_Msg(romBanks);
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println_Msg(F("/128"));
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display_Update();
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}
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else if (strcmp(flashid, "04AD") == 0) {
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println_Msg(F("AM29F016D"));
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print_Msg(F("Banks: "));
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print_Msg(romBanks);
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println_Msg(F("/128"));
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display_Update();
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}
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else if (strcmp(flashid, "01D5") == 0) {
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println_Msg(F("AM29F080B"));
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print_Msg(F("Banks: "));
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print_Msg(romBanks);
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println_Msg(F("/64"));
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display_Update();
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}
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else {
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print_Msg(F("Flash ID: "));
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println_Msg(flashid);
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display_Update();
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print_Error(F("Unknown flashrom"), true);
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}
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dataOut();
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// Reset flash
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writeByte_GB(0x555, 0xf0);
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delay(100);
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println_Msg(F("Erasing flash"));
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display_Update();
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// 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);
|
||||
|
||||
dataIn_GB();
|
||||
|
||||
// Read the status register
|
||||
byte statusReg = readByte_GB(0);
|
||||
|
||||
// After a completed erase D7 will output 1
|
||||
while ((statusReg & 0x80) != 0x80) {
|
||||
// Blink led
|
||||
PORTB ^= (1 << 4);
|
||||
delay(100);
|
||||
// Update Status
|
||||
statusReg = readByte_GB(0);
|
||||
}
|
||||
|
||||
// Blankcheck
|
||||
println_Msg(F("Blankcheck"));
|
||||
display_Update();
|
||||
|
||||
// Read x number of banks
|
||||
for (int currBank = 0; currBank < romBanks; currBank++) {
|
||||
// Blink led
|
||||
PORTB ^= (1 << 4);
|
||||
|
||||
dataOut();
|
||||
|
||||
// Set ROM bank
|
||||
writeByte_GB(0x2000, currBank);
|
||||
dataIn();
|
||||
|
||||
for (unsigned int currAddr = 0x4000; currAddr < 0x7FFF; currAddr += 512) {
|
||||
uint8_t readData[512];
|
||||
for (int currByte = 0; currByte < 512; currByte++) {
|
||||
readData[currByte] = readByte_GB(currAddr + currByte);
|
||||
}
|
||||
for (int j = 0; j < 512; j++) {
|
||||
if (readData[j] != 0xFF) {
|
||||
println_Msg(F("Not empty"));
|
||||
print_Error(F("Erase failed"), true);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (MBC == 3) {
|
||||
println_Msg(F("Writing flash MBC3"));
|
||||
display_Update();
|
||||
|
||||
// Write flash
|
||||
dataOut();
|
||||
|
||||
uint16_t currAddr = 0;
|
||||
uint16_t endAddr = 0x3FFF;
|
||||
|
||||
for (int currBank = 0; currBank < romBanks; currBank++) {
|
||||
// Blink led
|
||||
PORTB ^= (1 << 4);
|
||||
|
||||
// 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 data pins to input
|
||||
dataIn();
|
||||
|
||||
// Setting CS(PH3) and OE/RD(PH6) LOW
|
||||
PORTH &= ~((1 << 3) | (1 << 6));
|
||||
|
||||
// Busy check
|
||||
while ((PINC & 0x80) != (sdBuffer[currByte] & 0x80)) {
|
||||
}
|
||||
|
||||
// Switch CS(PH3) and OE/RD(PH6) to HIGH
|
||||
PORTH |= (1 << 3) | (1 << 6);
|
||||
|
||||
// Set data pins to output
|
||||
dataOut();
|
||||
}
|
||||
currAddr += 512;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
else if (MBC == 5) {
|
||||
println_Msg(F("Writing flash MBC5"));
|
||||
display_Update();
|
||||
|
||||
// Write flash
|
||||
dataOut();
|
||||
|
||||
for (int currBank = 0; currBank < romBanks; currBank++) {
|
||||
// Blink led
|
||||
PORTB ^= (1 << 4);
|
||||
|
||||
// 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 data pins to input
|
||||
dataIn();
|
||||
|
||||
// Setting CS(PH3) and OE/RD(PH6) LOW
|
||||
PORTH &= ~((1 << 3) | (1 << 6));
|
||||
|
||||
// Busy check
|
||||
while ((PINC & 0x80) != (sdBuffer[currByte] & 0x80)) {
|
||||
}
|
||||
|
||||
// Switch CS(PH3) and OE/RD(PH6) to HIGH
|
||||
PORTH |= (1 << 3) | (1 << 6);
|
||||
|
||||
// Set data pins to output
|
||||
dataOut();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Set data pins to input again
|
||||
dataIn_GB();
|
||||
|
||||
println_Msg(F("Verifying"));
|
||||
display_Update();
|
||||
|
||||
// Go back to file beginning
|
||||
myFile.seekSet(0);
|
||||
//unsigned int addr = 0; // unused
|
||||
writeErrors = 0;
|
||||
|
||||
// Verify flashrom
|
||||
uint16_t romAddress = 0;
|
||||
|
||||
// Read number of banks and switch banks
|
||||
for (uint16_t bank = 1; bank < romBanks; bank++) {
|
||||
// Switch data pins to output
|
||||
dataOut();
|
||||
|
||||
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
|
||||
}
|
||||
|
||||
// Switch data pins to intput
|
||||
dataIn_GB();
|
||||
|
||||
if (bank > 1) {
|
||||
romAddress = 0x4000;
|
||||
}
|
||||
// Blink led
|
||||
PORTB ^= (1 << 4);
|
||||
|
||||
// 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_Msg(F("Error: "));
|
||||
print_Msg(writeErrors);
|
||||
println_Msg(F(" bytes "));
|
||||
print_Error(F("did not verify."), false);
|
||||
}
|
||||
}
|
||||
else {
|
||||
println_Msg(F("Can't open file"));
|
||||
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.
|
||||
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 & 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.
|
||||
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.
|
||||
*/
|
||||
byte writeByteCompensated(int address, byte data) {
|
||||
if (flashSwitchLastBits) {
|
||||
data = (data & 0b11111100) | ((data<<1) & 0b10) | ((data>>1) & 0b01);
|
||||
data = (data & 0b11111100) | ((data << 1) & 0b10) | ((data >> 1) & 0b01);
|
||||
}
|
||||
writeByte_GB(address >> (flashX16Mode ? 1 : 0), data);
|
||||
}
|
||||
@ -881,9 +1280,9 @@ void startCFIMode(boolean x16Mode) {
|
||||
}
|
||||
|
||||
/* Identify the different flash chips.
|
||||
* Sets the global variables flashBanks, flashX16Mode and flashSwitchLastBits
|
||||
Sets the global variables flashBanks, flashX16Mode and flashSwitchLastBits
|
||||
*/
|
||||
void identifyFlash_GB() {
|
||||
void identifyCFI_GB() {
|
||||
// Reset flash
|
||||
display_Clear();
|
||||
dataOut();
|
||||
@ -900,30 +1299,30 @@ void identifyFlash_GB() {
|
||||
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
|
||||
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
|
||||
} 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
|
||||
} 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
|
||||
} 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
|
||||
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
|
||||
} 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;
|
||||
@ -935,7 +1334,7 @@ void identifyFlash_GB() {
|
||||
}
|
||||
}
|
||||
dataIn_GB();
|
||||
flashBanks = 1<<(readByteCompensated(0x4E) - 14);// - flashX16Mode);
|
||||
flashBanks = 1 << (readByteCompensated(0x4E) - 14); // - flashX16Mode);
|
||||
dataOut();
|
||||
|
||||
// Reset flash
|
||||
@ -947,7 +1346,7 @@ void identifyFlash_GB() {
|
||||
// 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 writeFlash_GB() {
|
||||
bool writeCFI_GB() {
|
||||
// Create filepath
|
||||
sprintf(filePath, "%s/%s", filePath, fileName);
|
||||
|
||||
@ -966,7 +1365,7 @@ bool writeFlash_GB() {
|
||||
romBanks = 2 << romSize;
|
||||
}
|
||||
|
||||
if (romBanks<=flashBanks) {
|
||||
if (romBanks <= flashBanks) {
|
||||
print_Msg(F("Using "));
|
||||
print_Msg(romBanks);
|
||||
print_Msg(F("/"));
|
||||
@ -977,7 +1376,7 @@ bool writeFlash_GB() {
|
||||
println_Msg(F("Error: Flash has too few banks!"));
|
||||
print_Msg(F("Has "));
|
||||
print_Msg(flashBanks);
|
||||
println_Msg(F(" banks,")
|
||||
println_Msg(F(" banks,"));
|
||||
print_Msg(F("but needs "));
|
||||
print_Msg(romBanks);
|
||||
println_Msg(F("."));
|
||||
@ -1101,13 +1500,13 @@ bool writeFlash_GB() {
|
||||
PORTH &= ~((1 << 3) | (1 << 6));
|
||||
|
||||
// Busy check
|
||||
short i=0;
|
||||
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.
|
||||
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;
|
||||
currAddr += 0x4000;
|
||||
endAddr = 0x7FFF;
|
||||
break;
|
||||
} else { // If a timeout happens while trying to flash MBC5-style, flashing failed.
|
||||
@ -1202,4 +1601,4 @@ bool writeFlash_GB() {
|
||||
|
||||
//******************************************
|
||||
// End of File
|
||||
//******************************************
|
||||
//******************************************
|
||||
|
||||
Loading…
Reference in New Issue
Block a user