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commit
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@ -1,20 +1,20 @@
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#include <EEPROM.h>
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#include <EEPROM.h>
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#include <Arduino.h> // for type definitions
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#include <Arduino.h> // for type definitions
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template <class T> int EEPROM_writeAnything(int ee, const T& value)
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template <class T> int EEPROM_writeAnything(int ee, const T& value)
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{
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{
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const byte* p = (const byte*)(const void*)&value;
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const byte* p = (const byte*)(const void*)&value;
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unsigned int i;
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unsigned int i;
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for (i = 0; i < sizeof(value); i++)
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for (i = 0; i < sizeof(value); i++)
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EEPROM.write(ee++, *p++);
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EEPROM.write(ee++, *p++);
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return i;
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return i;
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}
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}
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template <class T> int EEPROM_readAnything(int ee, T& value)
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template <class T> int EEPROM_readAnything(int ee, T& value)
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{
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{
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byte* p = (byte*)(void*)&value;
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byte* p = (byte*)(void*)&value;
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unsigned int i;
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unsigned int i;
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for (i = 0; i < sizeof(value); i++)
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for (i = 0; i < sizeof(value); i++)
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*p++ = EEPROM.read(ee++);
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*p++ = EEPROM.read(ee++);
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return i;
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return i;
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}
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}
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2070
Cart_Reader/GB.ino
2070
Cart_Reader/GB.ino
File diff suppressed because it is too large
Load Diff
5266
Cart_Reader/GBA.ino
5266
Cart_Reader/GBA.ino
File diff suppressed because it is too large
Load Diff
@ -1,499 +1,499 @@
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//******************************************
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//******************************************
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// SEGA MEGA DRIVE MODULE
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// SEGA MEGA DRIVE MODULE
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//******************************************
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//******************************************
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/******************************************
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/******************************************
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Variables
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Variables
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*****************************************/
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*****************************************/
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unsigned long sramEnd;
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unsigned long sramEnd;
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/******************************************
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/******************************************
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Menu
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Menu
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*****************************************/
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*****************************************/
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// MD menu items
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// MD menu items
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static const char MDMenuItem1[] PROGMEM = "Read Rom";
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static const char MDMenuItem1[] PROGMEM = "Read Rom";
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static const char MDMenuItem2[] PROGMEM = "Read Save";
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static const char MDMenuItem2[] PROGMEM = "Read Save";
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static const char MDMenuItem3[] PROGMEM = "Write Save";
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static const char MDMenuItem3[] PROGMEM = "Write Save";
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static const char MDMenuItem4[] PROGMEM = "Write Flashcart";
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static const char MDMenuItem4[] PROGMEM = "Write Flashcart";
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static const char MDMenuItem5[] PROGMEM = "Reset";
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static const char MDMenuItem5[] PROGMEM = "Reset";
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static const char* const menuOptionsMD[] PROGMEM = {MDMenuItem1, MDMenuItem2, MDMenuItem3, MDMenuItem4, MDMenuItem5};
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static const char* const menuOptionsMD[] PROGMEM = {MDMenuItem1, MDMenuItem2, MDMenuItem3, MDMenuItem4, MDMenuItem5};
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// Sega start menu
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// Sega start menu
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void segaMenu() {
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void segaMenu() {
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display_Clear();
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display_Clear();
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display_Update();
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display_Update();
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setup_MD();
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setup_MD();
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mode = mode_MD;
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mode = mode_MD;
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}
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}
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void mdMenu() {
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void mdMenu() {
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// create menu with title and 5 options to choose from
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// create menu with title and 5 options to choose from
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unsigned char mainMenu;
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unsigned char mainMenu;
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// Copy menuOptions out of progmem
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsMD, 5);
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convertPgm(menuOptionsMD, 5);
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mainMenu = question_box("MEGA DRIVE Reader", menuOptions, 3, 0);
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mainMenu = question_box("MEGA DRIVE Reader", menuOptions, 3, 0);
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// wait for user choice to come back from the question box menu
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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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switch (mainMenu)
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{
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{
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case 0:
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case 0:
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display_Clear();
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display_Clear();
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// Change working dir to root
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// Change working dir to root
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sd.chdir("/");
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sd.chdir("/");
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readROM_MD();
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readROM_MD();
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//compare_checksum_MD();
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//compare_checksum_MD();
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break;
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break;
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case 1:
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case 1:
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display_Clear();
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display_Clear();
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// Does cartridge have SRAM
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// Does cartridge have SRAM
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if ((saveType == 1) || (saveType == 2)) {
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if ((saveType == 1) || (saveType == 2)) {
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// Change working dir to root
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// Change working dir to root
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sd.chdir("/");
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sd.chdir("/");
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println_Msg(F("Reading Sram..."));
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println_Msg(F("Reading Sram..."));
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display_Update();
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display_Update();
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enableSram_MD(1);
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enableSram_MD(1);
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readSram_MD();
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readSram_MD();
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enableSram_MD(0);
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enableSram_MD(0);
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}
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}
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else {
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else {
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print_Error(F("Cart has no Sram"), false);
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print_Error(F("Cart has no Sram"), false);
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}
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}
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break;
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break;
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case 2:
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case 2:
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display_Clear();
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display_Clear();
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// Does cartridge have SRAM
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// Does cartridge have SRAM
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if ((saveType == 1) || (saveType == 2)) {
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if ((saveType == 1) || (saveType == 2)) {
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// Change working dir to root
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// Change working dir to root
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sd.chdir("/");
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sd.chdir("/");
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// Launch file browser
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// Launch file browser
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fileBrowser("Select srm file");
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fileBrowser("Select srm file");
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display_Clear();
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display_Clear();
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enableSram_MD(1);
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enableSram_MD(1);
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writeSram_MD();
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writeSram_MD();
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writeErrors = verifySram_MD();
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writeErrors = verifySram_MD();
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enableSram_MD(0);
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enableSram_MD(0);
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if (writeErrors == 0) {
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if (writeErrors == 0) {
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println_Msg(F("Sram verified OK"));
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println_Msg(F("Sram verified OK"));
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display_Update();
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display_Update();
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}
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}
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else {
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else {
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print_Msg(F("Error: "));
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print_Msg(F("Error: "));
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print_Msg(writeErrors);
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print_Msg(writeErrors);
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println_Msg(F(" bytes "));
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println_Msg(F(" bytes "));
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print_Error(F("did not verify."), false);
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print_Error(F("did not verify."), false);
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}
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}
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}
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}
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else {
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else {
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print_Error(F("Cart has no Sram"), false);
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print_Error(F("Cart has no Sram"), false);
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}
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}
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break;
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break;
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/*case 3:
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/*case 3:
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// Change working dir to root
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// Change working dir to root
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sd.chdir("/");
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sd.chdir("/");
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writeFlash_MD();
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writeFlash_MD();
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// Reset
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// Reset
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wait();
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wait();
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asm volatile (" jmp 0");
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asm volatile (" jmp 0");
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break;
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break;
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case 4:
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case 4:
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asm volatile (" jmp 0");
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asm volatile (" jmp 0");
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break;*/
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break;*/
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}
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}
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println_Msg(F(""));
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println_Msg(F(""));
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println_Msg(F("Press Button..."));
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println_Msg(F("Press Button..."));
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display_Update();
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display_Update();
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wait();
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wait();
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}
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}
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/******************************************
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/******************************************
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Setup
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Setup
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*****************************************/
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*****************************************/
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void setup_MD() {
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void setup_MD() {
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// Set Address Pins to Output
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// Set Address Pins to Output
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//A0-A7
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//A0-A7
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DDRF = 0xFF;
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DDRF = 0xFF;
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//A8-A15
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//A8-A15
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DDRK = 0xFF;
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DDRK = 0xFF;
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//A16-A23
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//A16-A23
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DDRL = 0xFF;
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DDRL = 0xFF;
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// Set Control Pins to Output RST(PH0) CS(PH3) WRH(PH4) WRL(PH5) OE(PH6)
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// Set Control Pins to Output RST(PH0) CS(PH3) WRH(PH4) WRL(PH5) OE(PH6)
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DDRH |= (1 << 0) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
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DDRH |= (1 << 0) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
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// Set TIME(PJ0) to Output
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// Set TIME(PJ0) to Output
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DDRJ |= (1 << 0);
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DDRJ |= (1 << 0);
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// Set Data Pins (D0-D15) to Input
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// Set Data Pins (D0-D15) to Input
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DDRC = 0x00;
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DDRC = 0x00;
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DDRA = 0x00;
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DDRA = 0x00;
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// Setting RST(PH0) CS(PH3) WRH(PH4) WRL(PH5) OE(PH6) HIGH
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// Setting RST(PH0) CS(PH3) WRH(PH4) WRL(PH5) OE(PH6) HIGH
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PORTH |= (1 << 0) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
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PORTH |= (1 << 0) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 6);
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// Setting TIME(PJ0) HIGH
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// Setting TIME(PJ0) HIGH
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PORTJ |= (1 << 0);
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PORTJ |= (1 << 0);
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delay(200);
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delay(200);
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// Print all the info
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// Print all the info
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getCartInfo_MD();
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getCartInfo_MD();
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}
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}
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/******************************************
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/******************************************
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I/O Functions
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I/O Functions
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*****************************************/
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*****************************************/
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/******************************************
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/******************************************
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Low level functions
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Low level functions
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*****************************************/
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*****************************************/
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void writeWord_MD(unsigned long myAddress, word myData) {
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void writeWord_MD(unsigned long myAddress, word myData) {
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PORTF = myAddress & 0xFF;
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PORTF = myAddress & 0xFF;
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PORTK = (myAddress >> 8) & 0xFF;
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PORTK = (myAddress >> 8) & 0xFF;
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PORTL = (myAddress >> 16) & 0xFF;
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PORTL = (myAddress >> 16) & 0xFF;
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PORTC = myData;
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PORTC = myData;
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PORTA = (myData >> 8) & 0xFF;
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PORTA = (myData >> 8) & 0xFF;
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// Arduino running at 16Mhz -> one nop = 62.5ns
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// Arduino running at 16Mhz -> one nop = 62.5ns
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// Wait till output is stable
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// Wait till output is stable
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__asm__("nop\n\t""nop\n\t");
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__asm__("nop\n\t""nop\n\t");
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// Switch WR(PH5) to LOW
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// Switch WR(PH5) to LOW
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PORTH &= ~(1 << 5);
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PORTH &= ~(1 << 5);
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// Setting CS(PH3) LOW
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// Setting CS(PH3) LOW
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PORTH &= ~(1 << 3);
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PORTH &= ~(1 << 3);
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// Leave WR low for at least 200ns
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// Leave WR low for at least 200ns
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__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
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__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
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// Setting CS(PH3) HIGH
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// Setting CS(PH3) HIGH
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PORTH |= (1 << 3);
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PORTH |= (1 << 3);
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// Switch WR(PH5) to HIGH
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// Switch WR(PH5) to HIGH
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PORTH |= (1 << 5);
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PORTH |= (1 << 5);
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// Leave WR high for at least 50ns
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// Leave WR high for at least 50ns
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__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
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__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
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}
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}
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word readWord_MD(unsigned long myAddress) {
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word readWord_MD(unsigned long myAddress) {
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PORTF = myAddress & 0xFF;
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PORTF = myAddress & 0xFF;
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PORTK = (myAddress >> 8) & 0xFF;
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PORTK = (myAddress >> 8) & 0xFF;
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PORTL = (myAddress >> 16) & 0xFF;
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PORTL = (myAddress >> 16) & 0xFF;
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|
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// Arduino running at 16Mhz -> one nop = 62.5ns
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// Arduino running at 16Mhz -> one nop = 62.5ns
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__asm__("nop\n\t");
|
__asm__("nop\n\t");
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|
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// Setting CS(PH3) LOW
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// Setting CS(PH3) LOW
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PORTH &= ~(1 << 3);
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PORTH &= ~(1 << 3);
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// Setting OE(PH6) LOW
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// Setting OE(PH6) LOW
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PORTH &= ~(1 << 6);
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PORTH &= ~(1 << 6);
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// Long delay here or there will be read errors
|
// Long delay here or there will be read errors
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__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
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|
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// Read
|
// Read
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word tempWord = ( ( PINA & 0xFF ) << 8 ) | ( PINC & 0xFF );
|
word tempWord = ( ( PINA & 0xFF ) << 8 ) | ( PINC & 0xFF );
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|
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||||||
// Setting CS(PH3) HIGH
|
// Setting CS(PH3) HIGH
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PORTH |= (1 << 3);
|
PORTH |= (1 << 3);
|
||||||
// Setting OE(PH6) HIGH
|
// Setting OE(PH6) HIGH
|
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PORTH |= (1 << 6);
|
PORTH |= (1 << 6);
|
||||||
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
||||||
|
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return tempWord;
|
return tempWord;
|
||||||
}
|
}
|
||||||
|
|
||||||
// Switch data pins to write
|
// Switch data pins to write
|
||||||
void dataOut_MD() {
|
void dataOut_MD() {
|
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DDRC = 0xFF;
|
DDRC = 0xFF;
|
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DDRA = 0xFF;
|
DDRA = 0xFF;
|
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}
|
}
|
||||||
|
|
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// Switch data pins to read
|
// Switch data pins to read
|
||||||
void dataIn_MD() {
|
void dataIn_MD() {
|
||||||
DDRC = 0x00;
|
DDRC = 0x00;
|
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DDRA = 0x00;
|
DDRA = 0x00;
|
||||||
}
|
}
|
||||||
|
|
||||||
/******************************************
|
/******************************************
|
||||||
MEGA DRIVE functions
|
MEGA DRIVE functions
|
||||||
*****************************************/
|
*****************************************/
|
||||||
void getCartInfo_MD() {
|
void getCartInfo_MD() {
|
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// Set control
|
// Set control
|
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dataIn_MD();
|
dataIn_MD();
|
||||||
|
|
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cartSize = ((long(readWord_MD(0xD2)) << 16) | readWord_MD(0xD3)) + 1;
|
cartSize = ((long(readWord_MD(0xD2)) << 16) | readWord_MD(0xD3)) + 1;
|
||||||
|
|
||||||
// Check if cart has sram
|
// Check if cart has sram
|
||||||
if ((readWord_MD(0xD8) == 0x5241) && (readWord_MD(0xD9) == 0xF820)) {
|
if ((readWord_MD(0xD8) == 0x5241) && (readWord_MD(0xD9) == 0xF820)) {
|
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// Get sram start and end
|
// Get sram start and end
|
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sramBase = ((long(readWord_MD(0xDA)) << 16) | readWord_MD(0xDB));
|
sramBase = ((long(readWord_MD(0xDA)) << 16) | readWord_MD(0xDB));
|
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sramEnd = ((long(readWord_MD(0xDC)) << 16) | readWord_MD(0xDD));
|
sramEnd = ((long(readWord_MD(0xDC)) << 16) | readWord_MD(0xDD));
|
||||||
|
|
||||||
// Check alignment of sram
|
// Check alignment of sram
|
||||||
if (sramBase == 0x200001) {
|
if (sramBase == 0x200001) {
|
||||||
// low byte
|
// low byte
|
||||||
saveType = 1;
|
saveType = 1;
|
||||||
sramSize = (sramEnd - sramBase + 2) / 2;
|
sramSize = (sramEnd - sramBase + 2) / 2;
|
||||||
// Right shift sram base address so [A21] is set to high 0x200000 = 0b001[0]00000000000000000000
|
// Right shift sram base address so [A21] is set to high 0x200000 = 0b001[0]00000000000000000000
|
||||||
sramBase = sramBase >> 1;
|
sramBase = sramBase >> 1;
|
||||||
}
|
}
|
||||||
else if (sramBase == 0x200000) {
|
else if (sramBase == 0x200000) {
|
||||||
// high byte
|
// high byte
|
||||||
saveType = 2;
|
saveType = 2;
|
||||||
sramSize = (sramEnd - sramBase + 1) / 2;
|
sramSize = (sramEnd - sramBase + 1) / 2;
|
||||||
// Right shift sram base address so [A21] is set to high 0x200000 = 0b001[0]00000000000000000000
|
// Right shift sram base address so [A21] is set to high 0x200000 = 0b001[0]00000000000000000000
|
||||||
sramBase = sramBase / 2;
|
sramBase = sramBase / 2;
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
print_Error(F("Unknown Sram Base"), true);
|
print_Error(F("Unknown Sram Base"), true);
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
// Either no save or eeprom save
|
// Either no save or eeprom save
|
||||||
saveType = 0;
|
saveType = 0;
|
||||||
sramSize = 0;
|
sramSize = 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
// Get name
|
// Get name
|
||||||
for (byte c = 0; c < 48; c += 2) {
|
for (byte c = 0; c < 48; c += 2) {
|
||||||
// split word
|
// split word
|
||||||
word myWord = readWord_MD((0x150 + c) / 2);
|
word myWord = readWord_MD((0x150 + c) / 2);
|
||||||
byte loByte = myWord & 0xFF;
|
byte loByte = myWord & 0xFF;
|
||||||
byte hiByte = myWord >> 8;
|
byte hiByte = myWord >> 8;
|
||||||
|
|
||||||
// write to buffer
|
// write to buffer
|
||||||
sdBuffer[c] = hiByte;
|
sdBuffer[c] = hiByte;
|
||||||
sdBuffer[c + 1] = loByte;
|
sdBuffer[c + 1] = loByte;
|
||||||
}
|
}
|
||||||
byte myLength = 0;
|
byte myLength = 0;
|
||||||
for (unsigned int i = 0; i < 48; i++) {
|
for (unsigned int i = 0; i < 48; i++) {
|
||||||
if (((char(sdBuffer[i]) >= 48 && char(sdBuffer[i]) <= 57) || (char(sdBuffer[i]) >= 65 && char(sdBuffer[i]) <= 122)) && myLength < 15) {
|
if (((char(sdBuffer[i]) >= 48 && char(sdBuffer[i]) <= 57) || (char(sdBuffer[i]) >= 65 && char(sdBuffer[i]) <= 122)) && myLength < 15) {
|
||||||
romName[myLength] = char(sdBuffer[i]);
|
romName[myLength] = char(sdBuffer[i]);
|
||||||
myLength++;
|
myLength++;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
display_Clear();
|
display_Clear();
|
||||||
println_Msg(F("Cart Info"));
|
println_Msg(F("Cart Info"));
|
||||||
println_Msg(F(" "));
|
println_Msg(F(" "));
|
||||||
print_Msg(F("Name: "));
|
print_Msg(F("Name: "));
|
||||||
println_Msg(romName);
|
println_Msg(romName);
|
||||||
print_Msg(F("Size: "));
|
print_Msg(F("Size: "));
|
||||||
print_Msg(cartSize * 8 / 1024 / 1024 );
|
print_Msg(cartSize * 8 / 1024 / 1024 );
|
||||||
println_Msg(F(" MBit"));
|
println_Msg(F(" MBit"));
|
||||||
print_Msg(F("Sram: "));
|
print_Msg(F("Sram: "));
|
||||||
if (sramSize > 0) {
|
if (sramSize > 0) {
|
||||||
print_Msg(sramSize * 8 / 1024);
|
print_Msg(sramSize * 8 / 1024);
|
||||||
println_Msg(F(" KBit"));
|
println_Msg(F(" KBit"));
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
println_Msg(F("None"));
|
println_Msg(F("None"));
|
||||||
println_Msg(F(" "));
|
println_Msg(F(" "));
|
||||||
|
|
||||||
// Wait for user input
|
// Wait for user input
|
||||||
if (enable_OLED) {
|
if (enable_OLED) {
|
||||||
println_Msg(F("Press Button..."));
|
println_Msg(F("Press Button..."));
|
||||||
display_Update();
|
display_Update();
|
||||||
wait();
|
wait();
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// Read rom and save to the SD card
|
// Read rom and save to the SD card
|
||||||
void readROM_MD() {
|
void readROM_MD() {
|
||||||
// Set control
|
// Set control
|
||||||
dataIn_MD();
|
dataIn_MD();
|
||||||
|
|
||||||
// Get name, add extension and convert to char array for sd lib
|
// Get name, add extension and convert to char array for sd lib
|
||||||
strcpy(fileName, romName);
|
strcpy(fileName, romName);
|
||||||
strcat(fileName, ".MD");
|
strcat(fileName, ".MD");
|
||||||
|
|
||||||
// create a new folder
|
// create a new folder
|
||||||
EEPROM_readAnything(10, foldern);
|
EEPROM_readAnything(10, foldern);
|
||||||
sprintf(folder, "MD/ROM/%s/%d", romName, foldern);
|
sprintf(folder, "MD/ROM/%s/%d", romName, foldern);
|
||||||
sd.mkdir(folder, true);
|
sd.mkdir(folder, true);
|
||||||
sd.chdir(folder);
|
sd.chdir(folder);
|
||||||
|
|
||||||
display_Clear();
|
display_Clear();
|
||||||
print_Msg(F("Saving to "));
|
print_Msg(F("Saving to "));
|
||||||
print_Msg(folder);
|
print_Msg(folder);
|
||||||
println_Msg(F("/..."));
|
println_Msg(F("/..."));
|
||||||
display_Update();
|
display_Update();
|
||||||
|
|
||||||
// write new folder number back to eeprom
|
// write new folder number back to eeprom
|
||||||
foldern = foldern + 1;
|
foldern = foldern + 1;
|
||||||
EEPROM_writeAnything(10, foldern);
|
EEPROM_writeAnything(10, foldern);
|
||||||
|
|
||||||
// Open file on sd card
|
// Open file on sd card
|
||||||
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
||||||
print_Error(F("SD Error"), true);
|
print_Error(F("SD Error"), true);
|
||||||
}
|
}
|
||||||
|
|
||||||
word d = 0;
|
word d = 0;
|
||||||
for (unsigned long currBuffer = 0; currBuffer < cartSize / 2; currBuffer += 256) {
|
for (unsigned long currBuffer = 0; currBuffer < cartSize / 2; currBuffer += 256) {
|
||||||
// Blink led
|
// Blink led
|
||||||
if (currBuffer % 16384 == 0)
|
if (currBuffer % 16384 == 0)
|
||||||
PORTB ^= (1 << 4);
|
PORTB ^= (1 << 4);
|
||||||
|
|
||||||
for (int currWord = 0; currWord < 256; currWord++) {
|
for (int currWord = 0; currWord < 256; currWord++) {
|
||||||
word myWord = readWord_MD(currBuffer + currWord);
|
word myWord = readWord_MD(currBuffer + currWord);
|
||||||
// Split word into two bytes
|
// Split word into two bytes
|
||||||
// Left
|
// Left
|
||||||
sdBuffer[d] = (( myWord >> 8 ) & 0xFF);
|
sdBuffer[d] = (( myWord >> 8 ) & 0xFF);
|
||||||
// Right
|
// Right
|
||||||
sdBuffer[d + 1] = (myWord & 0xFF);
|
sdBuffer[d + 1] = (myWord & 0xFF);
|
||||||
d += 2;
|
d += 2;
|
||||||
}
|
}
|
||||||
myFile.write(sdBuffer, 512);
|
myFile.write(sdBuffer, 512);
|
||||||
d = 0;
|
d = 0;
|
||||||
}
|
}
|
||||||
// Close the file:
|
// Close the file:
|
||||||
myFile.close();
|
myFile.close();
|
||||||
}
|
}
|
||||||
|
|
||||||
/******************************************
|
/******************************************
|
||||||
SRAM functions
|
SRAM functions
|
||||||
*****************************************/
|
*****************************************/
|
||||||
// Sonic 3 sram enable
|
// Sonic 3 sram enable
|
||||||
void enableSram_MD(boolean enableSram) {
|
void enableSram_MD(boolean enableSram) {
|
||||||
dataOut_MD();
|
dataOut_MD();
|
||||||
|
|
||||||
// Set D0 to either 1(enable SRAM) or 0(enable ROM)
|
// Set D0 to either 1(enable SRAM) or 0(enable ROM)
|
||||||
PORTC = enableSram;
|
PORTC = enableSram;
|
||||||
|
|
||||||
// Strobe TIME(PJ0) LOW to latch the data
|
// Strobe TIME(PJ0) LOW to latch the data
|
||||||
PORTJ &= ~(1 << 0);
|
PORTJ &= ~(1 << 0);
|
||||||
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
||||||
// Set TIME(PJ0) HIGH
|
// Set TIME(PJ0) HIGH
|
||||||
PORTJ |= (1 << 0);
|
PORTJ |= (1 << 0);
|
||||||
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
|
||||||
|
|
||||||
dataIn_MD();
|
dataIn_MD();
|
||||||
}
|
}
|
||||||
|
|
||||||
// Write sram to cartridge
|
// Write sram to cartridge
|
||||||
void writeSram_MD() {
|
void writeSram_MD() {
|
||||||
dataOut_MD();
|
dataOut_MD();
|
||||||
|
|
||||||
// Create filepath
|
// Create filepath
|
||||||
sprintf(filePath, "%s/%s", filePath, fileName);
|
sprintf(filePath, "%s/%s", filePath, fileName);
|
||||||
println_Msg(F("Writing..."));
|
println_Msg(F("Writing..."));
|
||||||
println_Msg(filePath);
|
println_Msg(filePath);
|
||||||
display_Update();
|
display_Update();
|
||||||
|
|
||||||
// Open file on sd card
|
// Open file on sd card
|
||||||
if (myFile.open(filePath, O_READ)) {
|
if (myFile.open(filePath, O_READ)) {
|
||||||
// Write to the lower byte
|
// Write to the lower byte
|
||||||
if (saveType == 1) {
|
if (saveType == 1) {
|
||||||
for (unsigned long currByte = sramBase; currByte < sramBase + sramSize; currByte++) {
|
for (unsigned long currByte = sramBase; currByte < sramBase + sramSize; currByte++) {
|
||||||
writeWord_MD(currByte, (myFile.read() & 0xFF));
|
writeWord_MD(currByte, (myFile.read() & 0xFF));
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
// Write to the upper byte
|
// Write to the upper byte
|
||||||
else if (saveType == 2) {
|
else if (saveType == 2) {
|
||||||
for (unsigned long currByte = sramBase; currByte < sramBase + sramSize; currByte++) {
|
for (unsigned long currByte = sramBase; currByte < sramBase + sramSize; currByte++) {
|
||||||
writeWord_MD(currByte, ((myFile.read() << 8 ) & 0xFF));
|
writeWord_MD(currByte, ((myFile.read() << 8 ) & 0xFF));
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
print_Error(F("Unknown save type"), false);
|
print_Error(F("Unknown save type"), false);
|
||||||
|
|
||||||
// Close the file:
|
// Close the file:
|
||||||
myFile.close();
|
myFile.close();
|
||||||
println_Msg(F("Done"));
|
println_Msg(F("Done"));
|
||||||
display_Update();
|
display_Update();
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
print_Error(F("SD Error"), true);
|
print_Error(F("SD Error"), true);
|
||||||
}
|
}
|
||||||
dataIn_MD();
|
dataIn_MD();
|
||||||
}
|
}
|
||||||
|
|
||||||
// Read sram and save to the SD card
|
// Read sram and save to the SD card
|
||||||
void readSram_MD() {
|
void readSram_MD() {
|
||||||
dataIn_MD();
|
dataIn_MD();
|
||||||
|
|
||||||
// Get name, add extension and convert to char array for sd lib
|
// Get name, add extension and convert to char array for sd lib
|
||||||
strcpy(fileName, romName);
|
strcpy(fileName, romName);
|
||||||
strcat(fileName, ".srm");
|
strcat(fileName, ".srm");
|
||||||
|
|
||||||
// create a new folder for the save file
|
// create a new folder for the save file
|
||||||
EEPROM_readAnything(10, foldern);
|
EEPROM_readAnything(10, foldern);
|
||||||
sprintf(folder, "MD/SAVE/%s/%d", romName, foldern);
|
sprintf(folder, "MD/SAVE/%s/%d", romName, foldern);
|
||||||
sd.mkdir(folder, true);
|
sd.mkdir(folder, true);
|
||||||
sd.chdir(folder);
|
sd.chdir(folder);
|
||||||
|
|
||||||
// write new folder number back to eeprom
|
// write new folder number back to eeprom
|
||||||
foldern = foldern + 1;
|
foldern = foldern + 1;
|
||||||
EEPROM_writeAnything(10, foldern);
|
EEPROM_writeAnything(10, foldern);
|
||||||
|
|
||||||
// Open file on sd card
|
// Open file on sd card
|
||||||
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
|
||||||
print_Error(F("SD Error"), true);
|
print_Error(F("SD Error"), true);
|
||||||
}
|
}
|
||||||
|
|
||||||
for (unsigned long currBuffer = sramBase; currBuffer < sramBase + sramSize; currBuffer += 512) {
|
for (unsigned long currBuffer = sramBase; currBuffer < sramBase + sramSize; currBuffer += 512) {
|
||||||
for (int currWord = 0; currWord < 512; currWord++) {
|
for (int currWord = 0; currWord < 512; currWord++) {
|
||||||
word myWord = readWord_MD(currBuffer + currWord);
|
word myWord = readWord_MD(currBuffer + currWord);
|
||||||
|
|
||||||
if (saveType == 2) {
|
if (saveType == 2) {
|
||||||
// Only use the upper byte
|
// Only use the upper byte
|
||||||
sdBuffer[currWord] = (( myWord >> 8 ) & 0xFF);
|
sdBuffer[currWord] = (( myWord >> 8 ) & 0xFF);
|
||||||
}
|
}
|
||||||
else if (saveType == 1) {
|
else if (saveType == 1) {
|
||||||
// Only use the lower byte
|
// Only use the lower byte
|
||||||
sdBuffer[currWord] = (myWord & 0xFF);
|
sdBuffer[currWord] = (myWord & 0xFF);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
myFile.write(sdBuffer, 512);
|
myFile.write(sdBuffer, 512);
|
||||||
}
|
}
|
||||||
// Close the file:
|
// Close the file:
|
||||||
myFile.close();
|
myFile.close();
|
||||||
print_Msg(F("Saved to "));
|
print_Msg(F("Saved to "));
|
||||||
print_Msg(folder);
|
print_Msg(folder);
|
||||||
println_Msg(F("/"));
|
println_Msg(F("/"));
|
||||||
display_Update();
|
display_Update();
|
||||||
}
|
}
|
||||||
|
|
||||||
unsigned long verifySram_MD() {
|
unsigned long verifySram_MD() {
|
||||||
dataIn_MD();
|
dataIn_MD();
|
||||||
writeErrors = 0;
|
writeErrors = 0;
|
||||||
|
|
||||||
// Open file on sd card
|
// Open file on sd card
|
||||||
if (myFile.open(filePath, O_READ)) {
|
if (myFile.open(filePath, O_READ)) {
|
||||||
for (unsigned long currBuffer = sramBase; currBuffer < sramBase + sramSize; currBuffer += 512) {
|
for (unsigned long currBuffer = sramBase; currBuffer < sramBase + sramSize; currBuffer += 512) {
|
||||||
for (int currWord = 0; currWord < 512; currWord++) {
|
for (int currWord = 0; currWord < 512; currWord++) {
|
||||||
word myWord = readWord_MD(currBuffer + currWord);
|
word myWord = readWord_MD(currBuffer + currWord);
|
||||||
|
|
||||||
if (saveType == 2) {
|
if (saveType == 2) {
|
||||||
// Only use the upper byte
|
// Only use the upper byte
|
||||||
sdBuffer[currWord] = (( myWord >> 8 ) & 0xFF);
|
sdBuffer[currWord] = (( myWord >> 8 ) & 0xFF);
|
||||||
}
|
}
|
||||||
else if (saveType == 1) {
|
else if (saveType == 1) {
|
||||||
// Only use the lower byte
|
// Only use the lower byte
|
||||||
sdBuffer[currWord] = (myWord & 0xFF);
|
sdBuffer[currWord] = (myWord & 0xFF);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
// Check sdBuffer content against file on sd card
|
// Check sdBuffer content against file on sd card
|
||||||
for (int i = 0; i < 512; i++) {
|
for (int i = 0; i < 512; i++) {
|
||||||
if (myFile.read() != sdBuffer[i]) {
|
if (myFile.read() != sdBuffer[i]) {
|
||||||
writeErrors++;
|
writeErrors++;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// Close the file:
|
// Close the file:
|
||||||
myFile.close();
|
myFile.close();
|
||||||
}
|
}
|
||||||
else {
|
else {
|
||||||
print_Error(F("SD Error"), true);
|
print_Error(F("SD Error"), true);
|
||||||
}
|
}
|
||||||
// Return 0 if verified ok, or number of errors
|
// Return 0 if verified ok, or number of errors
|
||||||
return writeErrors;
|
return writeErrors;
|
||||||
}
|
}
|
||||||
|
|
||||||
//******************************************
|
//******************************************
|
||||||
// End of File
|
// End of File
|
||||||
//******************************************
|
//******************************************
|
||||||
|
|||||||
6044
Cart_Reader/N64.ino
6044
Cart_Reader/N64.ino
File diff suppressed because it is too large
Load Diff
4672
Cart_Reader/NP.ino
4672
Cart_Reader/NP.ino
File diff suppressed because it is too large
Load Diff
1416
Cart_Reader/PCE.ino
1416
Cart_Reader/PCE.ino
File diff suppressed because it is too large
Load Diff
3852
Cart_Reader/SNES.ino
3852
Cart_Reader/SNES.ino
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user