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V28A: Rewrite GBA repros with 16MB MX29GL128E flashrom (the ones with switched data pins)
The whole GBA code is currently a little bit buggy, so for dumping roms you propbably should stay on the last somewhat stable release V27D. Reflashing only seems to work with 5V. Probably out of the same reason why some real carts don't work with V28 ... bad read/write timings. I also might have broken support for the Intel flashrom I added in the last commit...
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sanni
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commit
1562ed1ff8
@ -2,8 +2,8 @@
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Cartridge Reader for Arduino Mega2560
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Author: sanni
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Date: 2017-08-16
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Version: V28
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Date: 2017-09-08
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Version: V28A
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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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@ -34,7 +34,7 @@
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YamaArashi - GBA flashrom bank switch command
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**********************************************************************************/
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char ver[5] = "V28";
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char ver[5] = "V28A";
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/******************************************
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Define Output
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@ -28,9 +28,10 @@ static const int nintendoLogo[] PROGMEM = {
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static const char GBAMenuItem1[] PROGMEM = "Read Rom";
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static const char GBAMenuItem2[] PROGMEM = "Read Save";
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static const char GBAMenuItem3[] PROGMEM = "Write Save";
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static const char GBAMenuItem4[] PROGMEM = "Flash Repro";
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static const char GBAMenuItem5[] PROGMEM = "Reset";
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static const char* const menuOptionsGBA[] PROGMEM = {GBAMenuItem1, GBAMenuItem2, GBAMenuItem3, GBAMenuItem4, GBAMenuItem5};
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static const char GBAMenuItem4[] PROGMEM = "Force Savetype";
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static const char GBAMenuItem5[] PROGMEM = "Flash Repro";
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static const char GBAMenuItem6[] PROGMEM = "Reset";
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static const char* const menuOptionsGBA[] PROGMEM = {GBAMenuItem1, GBAMenuItem2, GBAMenuItem3, GBAMenuItem4, GBAMenuItem5, GBAMenuItem6};
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// Rom menu
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static const char GBARomItem1[] PROGMEM = "1MB";
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@ -54,8 +55,8 @@ void gbaMenu() {
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// create menu with title and 4 options to choose from
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unsigned char mainMenu;
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// Copy menuOptions out of progmem
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convertPgm(menuOptionsGBA, 5);
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mainMenu = question_box("GBA Cart Reader", menuOptions, 5, 0);
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convertPgm(menuOptionsGBA, 6);
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mainMenu = question_box("GBA Cart Reader", menuOptions, 6, 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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@ -137,6 +138,10 @@ void gbaMenu() {
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readROM_GBA();
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sd.chdir("/");
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compare_checksum_GBA();
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println_Msg(F(""));
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println_Msg(F("Press Button..."));
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display_Update();
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wait();
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break;
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case 1:
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@ -177,7 +182,7 @@ void gbaMenu() {
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break;
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case 5:
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// 1M FLASH
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// 1024K FLASH
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saveType = 5;
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break;
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}
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@ -204,7 +209,7 @@ void gbaMenu() {
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display_Clear();
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sd.chdir("/");
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// 256K SRAM/FRAM
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readSRAM_GBA(32768);
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readSRAM_GBA(1, 32768, 0);
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setROM_GBA();
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break;
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@ -219,7 +224,7 @@ void gbaMenu() {
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case 5:
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display_Clear();
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sd.chdir("/");
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// 1M FLASH (divided into two banks)
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// 1024K FLASH (divided into two banks)
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switchBank_GBA(0x0);
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setROM_GBA();
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readFLASH_GBA(1, 65536, 0);
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@ -233,22 +238,14 @@ void gbaMenu() {
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display_Clear();
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sd.chdir("/");
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// 512K SRAM/FRAM
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// Change working dir to root
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writeSRAM_GBA(1, 65536);
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writeErrors = verifySRAM_GBA(65536);
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if (writeErrors == 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(writeErrors);
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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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readSRAM_GBA(1, 65536, 0);
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setROM_GBA();
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break;
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}
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println_Msg(F(""));
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println_Msg(F("Press Button..."));
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display_Update();
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wait();
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break;
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case 2:
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@ -336,31 +333,11 @@ void gbaMenu() {
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case 3:
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display_Clear();
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// Change working dir to root
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sd.chdir("/");
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// 256K SRAM/FRAM
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// Change working dir to root
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writeSRAM_GBA(1, 32768);
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writeErrors = verifySRAM_GBA(32768);
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if (writeErrors == 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(writeErrors);
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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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setROM_GBA();
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break;
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case 6:
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display_Clear();
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sd.chdir("/");
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// 512K SRAM/FRAM
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// Change working dir to root
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writeSRAM_GBA(1, 65536);
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writeErrors = verifySRAM_GBA(65536);
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writeSRAM_GBA(1, 32768, 0);
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writeErrors = verifySRAM_GBA(32768, 0);
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if (writeErrors == 0) {
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println_Msg(F("Verified OK"));
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display_Update();
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@ -431,10 +408,78 @@ void gbaMenu() {
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}
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setROM_GBA();
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break;
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case 6:
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display_Clear();
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// Change working dir to root
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sd.chdir("/");
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// 512K SRAM/FRAM
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writeSRAM_GBA(1, 65536, 0);
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writeErrors = verifySRAM_GBA(65536, 0);
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if (writeErrors == 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(writeErrors);
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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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setROM_GBA();
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break;
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}
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println_Msg(F(""));
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println_Msg(F("Press Button..."));
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display_Update();
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wait();
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break;
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case 3:
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display_Clear();
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// create submenu with title and 7 options to choose from
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unsigned char GBASaveMenu;
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// Copy menuOptions out of progmem
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convertPgm(saveOptionsGBA, 6);
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GBASaveMenu = question_box("Select save type", menuOptions, 6, 0);
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// wait for user choice to come back from the question box menu
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switch (GBASaveMenu)
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{
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case 0:
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// 4K EEPROM
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saveType = 1;
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break;
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case 1:
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// 64K EEPROM
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saveType = 2;
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break;
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case 2:
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// 256K SRAM/FRAM
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saveType = 3;
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break;
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case 3:
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// 512K SRAM/FRAM
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saveType = 6;
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break;
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case 4:
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// 512K FLASH
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saveType = 4;
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break;
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case 5:
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// 1024K FLASH
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saveType = 5;
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break;
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}
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display_Clear();
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break;
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case 4:
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display_Clear();
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flashRepro_GBA();
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println_Msg(F(""));
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@ -444,14 +489,11 @@ void gbaMenu() {
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asm volatile (" jmp 0");
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break;
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case 4:
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case 5:
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asm volatile (" jmp 0");
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break;
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}
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println_Msg(F(""));
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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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/******************************************
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@ -567,8 +609,11 @@ word readWord_GBA(unsigned long myAddress) {
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word myWord = (PINK << 8) | PINF;
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// Switch CS_ROM(PH3) and RD(PH6) to HIGH
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PORTH |= (1 << 3) | (1 << 6);
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// Switch RD(PH6) to HIGH
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PORTH |= (1 << 6);
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// Switch CS_ROM(PH3) to HIGH
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PORTH |= (1 << 3);
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return myWord;
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}
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@ -601,8 +646,42 @@ void writeWord_GBA(unsigned long myAddress, word myWord) {
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__asm__("nop\n\t""nop\n\t");
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// Switch CS_ROM(PH3) and WR(PH5) to HIGH
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PORTH |= (1 << 3) | (1 << 5);
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// Switch WR(PH5) to HIGH
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PORTH |= (1 << 5);
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// Switch CS_ROM(PH3) to HIGH
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PORTH |= (1 << 3);
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}
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// This function swaps bit at positions p1 and p2 in an integer n
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word swapBits(word n, word p1, word p2)
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{
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// Move p1'th to rightmost side
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word bit1 = (n >> p1) & 1;
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// Move p2'th to rightmost side
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word bit2 = (n >> p2) & 1;
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// XOR the two bits */
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word x = (bit1 ^ bit2);
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// Put the xor bit back to their original positions
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x = (x << p1) | (x << p2);
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// XOR 'x' with the original number so that the two sets are swapped
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word result = n ^ x;
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return result;
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}
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// Some repros have D0 and D1 switched
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word readWord_GAB(unsigned long myAddress) {
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word tempWord = swapBits(readWord_GBA(myAddress), 0, 1);
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return tempWord;
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}
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void writeWord_GAB(unsigned long myAddress, word myWord) {
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writeWord_GBA(myAddress, swapBits(myWord, 0, 1));
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}
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byte readByte_GBA(unsigned long myAddress) {
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@ -904,30 +983,37 @@ boolean compare_checksum_GBA () {
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/******************************************
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GBA SRAM SAVE Functions
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*****************************************/
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void readSRAM_GBA(unsigned long sramSize) {
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// Get name, add extension and convert to char array for sd lib
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strcpy(fileName, romName);
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strcat(fileName, ".srm");
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void readSRAM_GBA(boolean browseFile, unsigned long sramSize, uint32_t pos) {
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if (browseFile) {
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// Get name, add extension and convert to char array for sd lib
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strcpy(fileName, romName);
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strcat(fileName, ".srm");
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// create a new folder for the save file
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EEPROM_readAnything(10, foldern);
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sprintf(folder, "GBA/SAVE/%s/%d", romName, foldern);
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sd.mkdir(folder, true);
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sd.chdir(folder);
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// create a new folder for the save file
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EEPROM_readAnything(10, foldern);
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sprintf(folder, "GBA/SAVE/%s/%d", romName, foldern);
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sd.mkdir(folder, true);
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sd.chdir(folder);
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// Save location
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print_Msg(F("Saving to "));
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print_Msg(folder);
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println_Msg(F("/..."));
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display_Update();
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// write new folder number back to eeprom
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foldern = foldern + 1;
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EEPROM_writeAnything(10, foldern);
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// Save location
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print_Msg(F("Saving to "));
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print_Msg(folder);
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println_Msg(F("/..."));
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display_Update();
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// write new folder number back to eeprom
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foldern = foldern + 1;
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EEPROM_writeAnything(10, foldern);
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}
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//open file on sd card
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if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
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print_Error(F("SD Error"), true);
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}
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// Seek to a new position in the file
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if (pos != 0)
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myFile.seekCur(pos);
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for (unsigned long currAddress = 0; currAddress < sramSize; currAddress += 512) {
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for (int c = 0; c < 512; c++) {
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// Read byte
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@ -945,7 +1031,7 @@ void readSRAM_GBA(unsigned long sramSize) {
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display_Update();
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}
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void writeSRAM_GBA(boolean browseFile, unsigned long sramSize) {
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void writeSRAM_GBA(boolean browseFile, unsigned long sramSize, uint32_t pos) {
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if (browseFile) {
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filePath[0] = '\0';
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sd.chdir("/");
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@ -954,11 +1040,14 @@ void writeSRAM_GBA(boolean browseFile, unsigned long sramSize) {
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sprintf(filePath, "%s/%s", filePath, fileName);
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display_Clear();
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}
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else
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sprintf(filePath, "%s", fileName);
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//open file on sd card
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if (myFile.open(filePath, O_READ)) {
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// Seek to a new position in the file
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if (pos != 0)
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myFile.seekCur(pos);
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for (unsigned long currAddress = 0; currAddress < sramSize; currAddress += 512) {
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//fill sdBuffer
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myFile.read(sdBuffer, 512);
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@ -979,12 +1068,16 @@ void writeSRAM_GBA(boolean browseFile, unsigned long sramSize) {
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}
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}
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unsigned long verifySRAM_GBA(unsigned long sramSize) {
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unsigned long verifySRAM_GBA(unsigned long sramSize, uint32_t pos) {
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//open file on sd card
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if (myFile.open(filePath, O_READ)) {
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// Variable for errors
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writeErrors = 0;
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// Seek to a new position in the file
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if (pos != 0)
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myFile.seekCur(pos);
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for (unsigned long currAddress = 0; currAddress < sramSize; currAddress += 512) {
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//fill sdBuffer
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myFile.read(sdBuffer, 512);
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@ -1402,10 +1495,10 @@ void switchBank_GBA(byte bankNum) {
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PORTH &= ~(1 << 0);
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// Switch bank command sequence
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writeByteFlash_GBA(0x5555, 0xAA);
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writeByteFlash_GBA(0x2AAA, 0x55);
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writeByteFlash_GBA(0x5555, 0xB0);
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writeByteFlash_GBA(0x0000, bankNum);
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writeByte_GBA(0x5555, 0xAA);
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writeByte_GBA(0x2AAA, 0x55);
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writeByte_GBA(0x5555, 0xB0);
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writeByte_GBA(0x0000, bankNum);
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// Set CS_FLASH(PH0) high
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PORTH |= (1 << 0);
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@ -1930,17 +2023,34 @@ unsigned long verifyEEP_GBA(word eepSize) {
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}
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/******************************************
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GBA REPRO Functions (32MB Intel 4000L0YBQ0)
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GBA REPRO Functions (32MB Intel 4000L0YBQ0 and 16MB MX29GL128E)
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*****************************************/
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// Reset to read mode
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void resetReadmode_GBA(unsigned long partitionSize) {
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void resetIntel_GBA(unsigned long partitionSize) {
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for (unsigned long currPartition = 0; currPartition < cartSize; currPartition += partitionSize) {
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writeWord_GBA(currPartition, 0xFFFF);
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}
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}
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void resetMX29GL128E_GBA() {
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writeWord_GAB(0, 0xF0);
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}
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boolean sectorCheckMX29GL128E_GBA() {
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boolean sectorProtect = 0;
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writeWord_GAB(0xAAA, 0xAA);
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writeWord_GAB(0x555, 0x55);
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writeWord_GAB(0xAAA, 0x90);
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for (unsigned long currSector = 0x0; currSector < 0xFFFFFF; currSector += 0x20000) {
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if (readWord_GAB(currSector + 0x04) != 0x0)
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sectorProtect = 1;
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}
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resetMX29GL128E_GBA();
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return sectorProtect;
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}
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void idFlashrom_GBA() {
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// Send ID command to first flashrom
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// Send Intel ID command to flashrom
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writeWord_GBA(0, 0x90);
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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");
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@ -1952,8 +2062,24 @@ void idFlashrom_GBA() {
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cartSize = 0x2000000;
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}
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else {
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println_Msg(flashid);
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print_Error(F("Unknown Flashid"), true);
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// Send swapped MX29GL128E ID command to flashrom
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writeWord_GAB(0xAAA, 0xAA);
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writeWord_GAB(0x555, 0x55);
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writeWord_GAB(0xAAA, 0x90);
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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");
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// Read flashrom ID
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sprintf(flashid, "%02X%02X", ((readWord_GAB(0x2) >> 8) & 0xFF), (readWord_GAB(0x2) & 0xFF));
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// MX29GL128E
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if (strcmp(flashid, "227E") == 0) {
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cartSize = 0x1000000;
|
||||
resetMX29GL128E_GBA();
|
||||
}
|
||||
else {
|
||||
println_Msg(flashid);
|
||||
print_Error(F("Unknown Flashid"), true);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -1971,7 +2097,7 @@ boolean blankcheckFlashrom_GBA() {
|
||||
return 1;
|
||||
}
|
||||
|
||||
void eraseBlock_GBA() {
|
||||
void eraseIntel4000_GBA() {
|
||||
// If the game is smaller than 32Mbit only erase the needed blocks
|
||||
unsigned long lastBlock = 0xFFFFFF;
|
||||
if (fileSize < 0xFFFFFF)
|
||||
@ -2055,7 +2181,30 @@ void eraseBlock_GBA() {
|
||||
}
|
||||
}
|
||||
|
||||
void writeFlashBlock_GBA() {
|
||||
void sectorEraseMX29GL128E_GBA() {
|
||||
unsigned long lastSector = 0xFFFFFF;
|
||||
|
||||
// Erase 128 sectors with 128kbytes each
|
||||
unsigned long currSector;
|
||||
for (currSector = 0x0; currSector < lastSector; currSector += 0x20000) {
|
||||
writeWord_GAB(0xAAA, 0xAA);
|
||||
writeWord_GAB(0x555, 0x55);
|
||||
writeWord_GAB(0xAAA, 0x80);
|
||||
writeWord_GAB(0xAAA, 0xAA);
|
||||
writeWord_GAB(0x555, 0x55);
|
||||
writeWord_GAB(currSector, 0x30);
|
||||
|
||||
// Read the status register
|
||||
word statusReg = readWord_GAB(currSector);
|
||||
while ((statusReg | 0xFF7F) != 0xFFFF) {
|
||||
statusReg = readWord_GAB(currSector);
|
||||
}
|
||||
// Blink LED
|
||||
PORTB ^= (1 << 4);
|
||||
}
|
||||
}
|
||||
|
||||
void writeIntel4000_GBA() {
|
||||
for (unsigned long currBlock = 0; currBlock < fileSize; currBlock += 0x20000) {
|
||||
// Blink led
|
||||
PORTB ^= (1 << 4);
|
||||
@ -2103,6 +2252,48 @@ void writeFlashBlock_GBA() {
|
||||
}
|
||||
}
|
||||
|
||||
void writeMX29GL128E_GBA() {
|
||||
for (unsigned long currSector = 0; currSector < fileSize; currSector += 0x20000) {
|
||||
// Blink led
|
||||
PORTB ^= (1 << 4);
|
||||
|
||||
// Write to flashrom
|
||||
for (unsigned long currSdBuffer = 0; currSdBuffer < 0x20000; currSdBuffer += 512) {
|
||||
// Fill SD buffer
|
||||
myFile.read(sdBuffer, 512);
|
||||
|
||||
// Write 32 words at a time
|
||||
for (int currWriteBuffer = 0; currWriteBuffer < 512; currWriteBuffer += 64) {
|
||||
// Write Buffer command
|
||||
writeWord_GAB(0xAAA, 0xAA);
|
||||
writeWord_GAB(0x555, 0x55);
|
||||
writeWord_GAB(currSector, 0x25);
|
||||
|
||||
// Write word count (minus 1)
|
||||
writeWord_GAB(currSector, 0x1F);
|
||||
|
||||
// Write buffer
|
||||
word currWord;
|
||||
for (byte currByte = 0; currByte < 64; currByte += 2) {
|
||||
// Join two bytes into one word
|
||||
currWord = ( ( sdBuffer[currWriteBuffer + currByte + 1] & 0xFF ) << 8 ) | ( sdBuffer[currWriteBuffer + currByte] & 0xFF );
|
||||
writeWord_GBA(currSector + currSdBuffer + currWriteBuffer + currByte, currWord);
|
||||
}
|
||||
|
||||
// Confirm write buffer
|
||||
writeWord_GAB(currSector, 0x29);
|
||||
|
||||
// Read the status register
|
||||
word statusReg = readWord_GAB(currSector + currSdBuffer + currWriteBuffer + 62);
|
||||
|
||||
while ((statusReg | 0xFF7F) != (currWord | 0xFF7F)) {
|
||||
statusReg = readWord_GAB(currSector + currSdBuffer + currWriteBuffer + 62);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
boolean verifyFlashrom_GBA() {
|
||||
// Open file on sd card
|
||||
if (myFile.open(filePath, O_READ)) {
|
||||
@ -2147,7 +2338,7 @@ void flashRepro_GBA() {
|
||||
// Check flashrom ID's
|
||||
idFlashrom_GBA();
|
||||
|
||||
if (strcmp(flashid, "8802") == 0) {
|
||||
if ((strcmp(flashid, "8802") == 0) || (strcmp(flashid, "227E") == 0)) {
|
||||
print_Msg(F("ID: "));
|
||||
print_Msg(flashid);
|
||||
print_Msg(F(" Size: "));
|
||||
@ -2156,7 +2347,6 @@ void flashRepro_GBA() {
|
||||
println_Msg("");
|
||||
println_Msg(F("This will erase your"));
|
||||
println_Msg(F("Repro Cartridge."));
|
||||
println_Msg(F("Attention: Use 3.3V!"));
|
||||
println_Msg("");
|
||||
println_Msg(F("Press Button"));
|
||||
println_Msg(F("to continue"));
|
||||
@ -2183,43 +2373,68 @@ void flashRepro_GBA() {
|
||||
display_Update();
|
||||
|
||||
// Erase needed sectors
|
||||
println_Msg(F("Erasing..."));
|
||||
display_Update();
|
||||
eraseBlock_GBA();
|
||||
|
||||
//if (blankcheckFlashrom_GBA()) {
|
||||
// Write flashrom
|
||||
//println_Msg(F("OK"));
|
||||
|
||||
// Start write
|
||||
print_Msg(F("Writing "));
|
||||
println_Msg(filePath);
|
||||
display_Update();
|
||||
writeFlashBlock_GBA();
|
||||
|
||||
// Close the file:
|
||||
myFile.close();
|
||||
|
||||
// Verify
|
||||
print_Msg(F("Verifying..."));
|
||||
display_Update();
|
||||
resetReadmode_GBA(0x8000);
|
||||
delay(1000);
|
||||
resetReadmode_GBA(0x100000);
|
||||
delay(1000);
|
||||
resetReadmode_GBA(0x200000);
|
||||
delay(1000);
|
||||
if (verifyFlashrom_GBA() == 1) {
|
||||
println_Msg(F("OK"));
|
||||
if (strcmp(flashid, "8802") == 0) {
|
||||
println_Msg(F("Erasing..."));
|
||||
display_Update();
|
||||
eraseIntel4000_GBA();
|
||||
}
|
||||
else if (strcmp(flashid, "227E") == 0) {
|
||||
//if (sectorCheckMX29GL128E_GBA()) {
|
||||
//print_Error(F("Sector Protected"), true);
|
||||
//}
|
||||
//else {
|
||||
println_Msg(F("Erasing..."));
|
||||
display_Update();
|
||||
sectorEraseMX29GL128E_GBA();
|
||||
//}
|
||||
}
|
||||
|
||||
print_Msg(F("Blankcheck..."));
|
||||
display_Update();
|
||||
if (blankcheckFlashrom_GBA()) {
|
||||
println_Msg(F("OK"));
|
||||
|
||||
//Write flashrom
|
||||
print_Msg(F("Writing "));
|
||||
println_Msg(filePath);
|
||||
display_Update();
|
||||
if (strcmp(flashid, "8802") == 0) {
|
||||
writeIntel4000_GBA();
|
||||
}
|
||||
else if (strcmp(flashid, "227E") == 0) {
|
||||
writeMX29GL128E_GBA();
|
||||
}
|
||||
|
||||
// Close the file:
|
||||
myFile.close();
|
||||
|
||||
// Verify
|
||||
print_Msg(F("Verifying..."));
|
||||
display_Update();
|
||||
if (strcmp(flashid, "8802") == 0) {
|
||||
resetIntel_GBA(0x8000);
|
||||
delay(1000);
|
||||
resetIntel_GBA(0x100000);
|
||||
delay(1000);
|
||||
resetIntel_GBA(0x200000);
|
||||
delay(1000);
|
||||
}
|
||||
|
||||
else if (strcmp(flashid, "227E") == 0) {
|
||||
resetMX29GL128E_GBA();
|
||||
delay(1000);
|
||||
}
|
||||
if (verifyFlashrom_GBA() == 1) {
|
||||
println_Msg(F("OK"));
|
||||
display_Update();
|
||||
}
|
||||
else {
|
||||
print_Error(F("ERROR"), true);
|
||||
}
|
||||
}
|
||||
else {
|
||||
print_Error(F("ERROR"), true);
|
||||
}
|
||||
/*}
|
||||
else {
|
||||
print_Error(F("failed"), true);
|
||||
}*/
|
||||
}
|
||||
}
|
||||
else {
|
||||
print_Error(F("Can't open file"), true);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user