V19: Add GBA rom dumping (beta)

Seems to work fine with the Arduino running on 5V. 
Still a few read errors on 3.3V. Probably timing related.
This commit is contained in:
sanni 2016-09-12 15:16:03 +02:00 committed by GitHub
parent 8bfeec2fc4
commit a8c03520c8
7 changed files with 2392 additions and 36 deletions

View File

@ -2,8 +2,8 @@
Cartridge Reader for Arduino Mega2560
Author: sanni
Date: 2016-09-04
Version: V18B
Date: 2016-09-12
Version: V19
SD lib: https://github.com/greiman/SdFat
LCD lib: https://github.com/adafruit/Adafruit_SSD1306
@ -17,7 +17,7 @@
Jeff Saltzman - 4-Way Button
Wayne and Layne - Video-Game-Shield menu
skaman - SNES enhancements and SA1 sram support
nocash - Nintendo Power commands
nocash - Nintendo Power commands and lots of other info
crazynation - N64 bus timing
hkz/themanbehindthecurtain - N64 flashram commands
jago85 - help with N64 stuff
@ -29,9 +29,11 @@
Snes9x - SuperFX sram fix
zzattack - multigame pcb fix
Pickle - SDD1 fix
insidegadgets - GBCartRead
lukeskaff - Nintendo DS GBA slot timing
**********************************************************************************/
char ver[5] = "V18B";
char ver[5] = "V19";
/******************************************
Define Output
@ -44,8 +46,8 @@ char ver[5] = "V18B";
/******************************************
Define Input
******************************************/
// If you have two buttons on your cart reader change to 1
#define enable_Button2 0
// If you have two buttons on your cart reader you can remove the //
//#define enable_Button2
/******************************************
Pinout
@ -114,6 +116,7 @@ SdFile myFile;
#define mode_GB 6
#define mode_FLASH8 7
#define mode_FLASH16 8
#define mode_GBA 9
/******************************************
Variables
@ -175,6 +178,8 @@ byte numBanks = 128;
char checksumStr[5];
bool errorLvl = 0;
byte romVersion = 0;
char cartID[5];
unsigned long cartSize;
// Variable to count errors
unsigned long writeErrors;
@ -322,6 +327,11 @@ const char flashMenuItem1[] PROGMEM = "8bit slot";
const char flashMenuItem2[] PROGMEM = "16bit slot";
const char* const menuOptionsFlash[] PROGMEM = {flashMenuItem1, flashMenuItem2};
// GBx Submenu
const char gbxMenuItem1[] PROGMEM = "Game Boy Color";
const char gbxMenuItem2[] PROGMEM = "Game Boy Advance";
const char* const menuOptionsGBx[] PROGMEM = {gbxMenuItem1, gbxMenuItem2};
void mainMenu() {
// create menu with title and 6 options to choose from
unsigned char modeMenu;
@ -373,10 +383,29 @@ void mainMenu() {
break;
case 3:
display_Clear();
display_Update();
setup_GB();
mode = mode_GB;
// create menu with title and 2 options to choose from
unsigned char gbType;
// Copy menuOptions out of progmem
convertPgm(menuOptionsGBx, 2);
gbType = question_box("Select Game Boy", menuOptions, 2, 0);
// wait for user choice to come back from the question box menu
switch (gbType)
{
case 0:
display_Clear();
display_Update();
setup_GB();
mode = mode_GB;
break;
case 1:
display_Clear();
display_Update();
setup_GBA();
mode = mode_GBA;
break;
}
break;
case 4:
@ -725,10 +754,14 @@ void rgbLed(byte Color) {
*****************************************/
// Read button state
int checkButton() {
if ((enable_Button2) && (checkButton2() != 0))
#ifdef enable_Button2
if (checkButton2() != 0)
return 3;
else
return (checkButton1());
#else
return (checkButton1());
#endif
}
// Read button 1
@ -1203,6 +1236,9 @@ void loop() {
else if (mode == mode_GB) {
gbMenu();
}
else if (mode == mode_GBA) {
gbaMenu();
}
else if (mode == mode_NPFlash) {
NPFlashMenu();
}

View File

@ -348,11 +348,6 @@ void setup_Flash16() {
// Set Control Pins to Output OE(PH1) BYTE(PH3) WE(PH4) CE(PH6)
DDRH |= (1 << 1) | (1 << 3) | (1 << 4) | (1 << 6);
// Setting OE(PH1) BYTE(PH3) WE(PH4) HIGH
PORTH |= (1 << 1) | (1 << 3) | (1 << 4);
// Setting CE(PH6) LOW
PORTH &= ~(1 << 6);
// Set Data Pins (D0-D15) to Input
DDRC = 0x00;
DDRA = 0x00;
@ -360,6 +355,13 @@ void setup_Flash16() {
PORTC = 0x00;
PORTA = 0x00;
// Setting OE(PH1) BYTE(PH3) WE(PH4) HIGH
PORTH |= (1 << 1) | (1 << 3) | (1 << 4);
// Setting CE(PH6) LOW
PORTH &= ~(1 << 6);
delay(10);
// ID flash
idFlash16();
resetFlash16();
@ -407,7 +409,6 @@ void dataOut16() {
// Switch data pins to read
void dataIn16() {
// Set to Input and activate pull-up resistors
DDRC = 0x00;
DDRA = 0x00;
}
@ -482,7 +483,7 @@ void writeWord_Flash(unsigned long myAddress, word myData) {
PORTH |= (1 << 4);
// Leave WE high for at least 50ns
__asm__("nop\n\t");
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
}
word readWord_Flash(unsigned long myAddress) {
@ -501,9 +502,11 @@ word readWord_Flash(unsigned long myAddress) {
// Read
word tempWord = ( ( PINA & 0xFF ) << 8 ) | ( PINC & 0xFF );
__asm__("nop\n\t");
// Setting OE(PH1) HIGH
PORTH |= (1 << 1);
__asm__("nop\n\t");
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t""nop\n\t");
return tempWord;
}
@ -587,7 +590,7 @@ void writeFlash29F032() {
if (currByte % 2048 == 0)
PORTB ^= (1 << 4);
for (unsigned long c = 0; c < 512; c++) {
for (int c = 0; c < 512; c++) {
// Write command sequence
writeByte_Flash(0x555, 0xaa);
writeByte_Flash(0x2aa, 0x55);
@ -792,7 +795,7 @@ void verifyFlash() {
for (unsigned long currByte = 0; currByte < flashSize; currByte += 512) {
//fill sdBuffer
myFile.read(sdBuffer, 512);
for (unsigned long c = 0; c < 512; c++) {
for (int c = 0; c < 512; c++) {
if (readByte_Flash(currByte + c) != sdBuffer[c]) {
blank++;
}
@ -842,7 +845,7 @@ void readFlash() {
print_Error(F("Can't create file on SD"), true);
}
for (unsigned long currByte = 0; currByte < flashSize; currByte += 512) {
for (unsigned long c = 0; c < 512; c++) {
for (int c = 0; c < 512; c++) {
sdBuffer[c] = readByte_Flash(currByte + c);
}
myFile.write(sdBuffer, 512);
@ -1023,7 +1026,7 @@ void verifyFlash16() {
for (unsigned long currByte = 0; currByte < flashSize / 2; currByte += 256) {
//fill sdBuffer
myFile.read(sdBuffer, 512);
for (unsigned long c = 0; c < 256; c++) {
for (int c = 0; c < 256; c++) {
word currWord = ((sdBuffer[d] << 8) | sdBuffer[d + 1]);
// Swap bytes in word
currWord = ((currWord >> 8) & 0x00FF00FF) | ((currWord & 0x00FF00FF) << 8);

View File

@ -1,23 +1,686 @@
//******************************************
// GAMEBOY
// GAME BOY
//******************************************
/******************************************
Variables
*****************************************/
// Game Boy
int sramBanks;
/******************************************
Menu
*****************************************/
// GB menu items
const char GBMenuItem1[] PROGMEM = "Read Rom";
const char GBMenuItem2[] PROGMEM = "Read Save";
const char GBMenuItem3[] PROGMEM = "Write Save";
const char GBMenuItem4[] PROGMEM = "Reset";
const char* const menuOptionsGB[] PROGMEM = {GBMenuItem1, GBMenuItem2, GBMenuItem3, GBMenuItem4};
void gbMenu() {
println_Msg(F("WORK IN PROGRESS"));
// Output a high signal on CS(PH3) WR(PH5) RD(PH6)
PORTH |= (1 << 3) | (1 << 5) | (1 << 6);
// create menu with title and 4 options to choose from
unsigned char mainMenu;
// Copy menuOptions of of progmem
convertPgm(menuOptionsGB, 4);
mainMenu = question_box("GB Cart Reader", menuOptions, 4, 0);
// wait for user choice to come back from the question box menu
switch (mainMenu)
{
case 0:
display_Clear();
// Change working dir to root
sd.chdir("/");
readROM_GB();
compare_checksum_GB();
break;
case 1:
display_Clear();
// Change working dir to root
sd.chdir("/");
readSRAM_GB();
break;
case 2:
display_Clear();
// Change working dir to root
sd.chdir("/");
writeSRAM_GB();
unsigned long wrErrors;
wrErrors = verifySRAM_GB();
if (wrErrors == 0) {
println_Msg(F("Verified OK"));
display_Update();
}
else {
print_Msg(F("Error: "));
print_Msg(wrErrors);
println_Msg(F(" bytes "));
print_Error(F("did not verify."), false);
}
break;
case 3:
asm volatile (" jmp 0");
break;
}
println_Msg(F(""));
println_Msg(F("Press Button..."));
display_Update();
wait();
asm volatile (" jmp 0");
}
/******************************************
Setup
*****************************************/
void setup_GB() {
// Set RST(PH0) to Input
DDRH &= ~(1 << 0);
// Activate Internal Pullup Resistors
PORTH |= (1 << 0);
// Set Address Pins to Output
//A0-A7
DDRF = 0xFF;
//A8-A15
DDRK = 0xFF;
// Set Control Pins to Output CS(PH3) WR(PH5) RD(PH6)
DDRH |= (1 << 3) | (1 << 5) | (1 << 6);
// Output a high signal on all pins, pins are active low therefore everything is disabled now
PORTH |= (1 << 3) | (1 << 5) | (1 << 6);
// Set Data Pins (D0-D7) to Input
DDRC = 0x00;
// Enable Internal Pullups
//PORTC = 0xFF;
// Print start page
getCartInfo_GB();
display_Clear();
if (strcmp(checksumStr, "00") != 0) {
println_Msg(F("GB Cart Info"));
print_Msg(F("Rom Name: "));
println_Msg(romName);
print_Msg(F("Rom Type: "));
switch (romType) {
case 0: print_Msg(F("ROM ONLY")); break;
case 1: print_Msg(F("MBC1")); break;
case 2: print_Msg(F("MBC1+RAM")); break;
case 3: print_Msg(F("MBC1+RAM")); break;
case 5: print_Msg(F("MBC2")); break;
case 6: print_Msg(F("MBC2")); break;
case 8: print_Msg(F("ROM+RAM")); break;
case 9: print_Msg(F("ROM ONLY")); break;
case 11: print_Msg(F("MMM01")); break;
case 12: print_Msg(F("MMM01+RAM")); break;
case 13: print_Msg(F("MMM01+RAM")); break;
case 15: print_Msg(F("MBC3+TIMER")); break;
case 16: print_Msg(F("MBC3+TIMER+RAM")); break;
case 17: print_Msg(F("MBC3")); break;
case 18: print_Msg(F("MBC3+RAM")); break;
case 19: print_Msg(F("MBC3+RAM")); break;
case 21: print_Msg(F("MBC4")); break;
case 22: print_Msg(F("MBC4+RAM")); break;
case 23: print_Msg(F("MBC4+RAM")); break;
case 25: print_Msg(F("MBC5")); break;
case 26: print_Msg(F("MBC5+RAM")); break;
case 27: print_Msg(F("MBC5+RAM")); break;
case 28: print_Msg(F("MBC5+RUMBLE")); break;
case 29: print_Msg(F("MBC5+RUMBLE+RAM")); break;
case 30: print_Msg(F("MBC5+RUMBLE+RAM")); break;
case 252: print_Msg(F("Gameboy Camera")); break;
default: print_Msg(F("Not found"));
}
println_Msg(F(" "));
print_Msg(F("Rom Size: "));
switch (romSize) {
case 0:
print_Msg(F("32KByte"));
break;
case 1:
print_Msg(F("64KByte"));
break;
case 2:
print_Msg(F("128KByte"));
break;
case 3:
print_Msg(F("256KByte"));
break;
case 4:
print_Msg(F("512KByte"));
break;
case 5:
if (romType == 1 || romType == 2 || romType == 3) {
print_Msg(F("1MByte"));
}
else {
print_Msg(F("1MByte"));
}
break;
case 6:
if (romType == 1 || romType == 2 || romType == 3) {
print_Msg(F("2MByte"));
}
else {
print_Msg(F("2MByte"));
}
break;
case 7:
print_Msg(F("4MByte"));
break;
case 82:
print_Msg(F("1.1MByten"));
break;
case 83:
print_Msg(F("1.2MByte"));
break;
case 84:
print_Msg(F("1.5MByte"));
break;
default:
print_Msg(F("Not found"));
}
println_Msg(F(""));
print_Msg(F("Banks: "));
println_Msg(numBanks);
print_Msg(F("Sram Size: "));
switch (sramSize) {
case 0:
if (romType == 6) {
print_Msg(F("512 bytes"));
}
else {
print_Msg(F("None"));
}
break;
case 1:
print_Msg(F("2 KBytes"));
break;
case 2:
print_Msg(F("8 KBytes"));
break;
case 3:
print_Msg(F("32 KBytes"));
break;
case 4:
print_Msg(F("128 KBytes"));
break;
default:
print_Msg(F("Not found"));
}
println_Msg(F(""));
print_Msg(F("Checksum: "));
println_Msg(checksumStr);
display_Update();
// Wait for user input
println_Msg(F("Press Button..."));
display_Update();
wait();
}
else {
print_Error(F("GAMEPAK ERROR"), true);
}
}
/******************************************
I/O Functions
*****************************************/
/******************************************
Low level functions
*****************************************/
byte readByte_GB(word myAddress) {
PORTF = myAddress & 0xFF;
PORTK = (myAddress >> 8) & 0xFF;
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
// Switch CS(PH3) and RD(PH6) to LOW
PORTH &= ~((1 << 3) | (1 << 6));
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
// Read
byte tempByte = PINC;
// Switch CS(PH3) and RD(PH6) to HIGH
PORTH |= (1 << 3) | (1 << 6);
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
return tempByte;
}
void writeByte_GB(int myAddress, uint8_t myData) {
PORTF = myAddress & 0xFF;
PORTK = (myAddress >> 8) & 0xFF;
PORTC = myData;
// Arduino running at 16Mhz -> one nop = 62.5ns
// Wait till output is stable
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
// Pull WR(PH5) low
PORTH &= ~(1 << 5);
// Leave WE low for at least 60ns
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
// Pull WR(PH5) HIGH
PORTH |= (1 << 5);
// Leave WE high for at least 50ns
__asm__("nop\n\t""nop\n\t""nop\n\t""nop\n\t");
}
/******************************************
Game Boy functions
*****************************************/
// Read Cartridge Header
void getCartInfo_GB() {
// Dump name into 8.3 compatible format
byte myByte = 0;
byte myLength = 0;
for (int addr = 0x0134; addr <= 0x13C; addr++) {
myByte = readByte_GB(addr);
if (((char(myByte) >= 48 && char(myByte) <= 57) || (char(myByte) >= 65 && char(myByte) <= 122)) && myLength < 8) {
romName[myLength] = char(myByte);
myLength++;
}
}
// Get Checksum as string
sprintf(checksumStr, "%02X%02X", readByte_GB(0x014E), readByte_GB(0x014F));
romType = readByte_GB(0x0147);
romSize = readByte_GB(0x0148);
sramSize = readByte_GB(0x0149);
numBanks = 2; // Default 32K
if (romSize == 1) {
numBanks = 4;
}
if (romSize == 2) {
numBanks = 8;
}
if (romSize == 3) {
numBanks = 16;
}
if (romSize == 4) {
numBanks = 32;
}
if (romSize == 5 && (romType == 1 || romType == 2 || romType == 3)) {
numBanks = 63;
}
else if (romSize == 5) {
numBanks = 64;
}
if (romSize == 6 && (romType == 1 || romType == 2 || romType == 3)) {
numBanks = 125;
}
else if (romSize == 6) {
numBanks = 128;
}
if (romSize == 7) {
numBanks = 255;
}
if (romSize == 82) {
numBanks = 72;
}
if (romSize == 83) {
numBanks = 80;
}
if (romSize == 84) {
numBanks = 96;
}
sramBanks = 1; // Default 8K RAM
if (sramSize == 3) {
sramBanks = 4;
}
if (sramSize == 4) {
sramBanks = 16; // GB Camera
}
}
// Dump ROM
void readROM_GB() {
// Get name, add extension and convert to char array for sd lib
char fileName[26];
strcpy(fileName, romName);
strcat(fileName, ".GB");
// create a new folder for the rom file
EEPROM_readAnything(0, foldern);
sprintf(folder, "ROM/%s/%d", romName, foldern);
sd.mkdir(folder, true);
sd.chdir(folder);
//clear the screen
display_Clear();
println_Msg(F("Creating folder: "));
println_Msg(folder);
display_Update();
// write new folder number back to eeprom
foldern = foldern + 1;
EEPROM_writeAnything(0, foldern);
//open file on sd card
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
print_Error(F("Can't create file on SD"), true);
}
unsigned int addr = 0;
// Read x number of banks
for (int y = 1; y < numBanks; y++) {
dataOut();
// Set ROM bank
writeByte_GB(0x2100, y);
dataIn();
if (y > 1) {
addr = 0x4000;
}
for (; addr <= 0x7FFF; addr = addr + 512) {
uint8_t readData[512];
for (int i = 0; i < 512; i++) {
readData[i] = readByte_GB(addr + i);
}
myFile.write(readData, 512);
}
}
// Close the file:
myFile.close();
// Signal end of process
print_Msg(F("Saved as "));
println_Msg(fileName);
}
unsigned int calc_checksum_GB (char* fileName, char* folder) {
unsigned int calcChecksum = 0;
int calcFilesize = 0;
unsigned long i = 0;
int c = 0;
if (strcmp(folder, "root") != 0)
sd.chdir(folder);
// If file exists
if (myFile.open(fileName, O_READ)) {
calcFilesize = myFile.fileSize() * 8 / 1024 / 1024;
for (i = 0; i < (myFile.fileSize() / 512); i++) {
myFile.read(sdBuffer, 512);
for (c = 0; c < 512; c++) {
calcChecksum += sdBuffer[c];
}
}
myFile.close();
sd.chdir();
// Subtract checksum bytes
calcChecksum -= readByte_GB(0x014E);
calcChecksum -= readByte_GB(0x014F);
// Return result
return (calcChecksum);
}
// Else show error
else {
print_Error(F("DUMP ROM 1ST"), false);
return 0;
}
}
boolean compare_checksum_GB() {
println_Msg(F("Calculating Checksum"));
display_Update();
char fileName[26];
strcpy(fileName, romName);
strcat(fileName, ".GB");
// last used rom folder
EEPROM_readAnything(0, foldern);
sprintf(folder, "ROM/%s/%d", romName, foldern - 1);
char calcsumStr[5];
sprintf(calcsumStr, "%04X", calc_checksum_GB(fileName, folder));
if (strcmp(calcsumStr, checksumStr) == 0) {
print_Msg(F("Result: "));
println_Msg(calcsumStr);
println_Msg(F("Checksum matches"));
display_Update();
return 1;
}
else {
print_Msg(F("Result: "));
println_Msg(calcsumStr);
print_Error(F("Checksum Error"), false);
return 0;
}
}
// Read RAM
void readSRAM_GB() {
// Get name, add extension and convert to char array for sd lib
char fileName[26];
strcpy(fileName, romName);
strcat(fileName, ".sav");
// create a new folder for the save file
EEPROM_readAnything(0, foldern);
sprintf(folder, "SAVE/%s/%d", romName, foldern);
sd.mkdir(folder, true);
sd.chdir(folder);
// write new folder number back to eeprom
foldern = foldern + 1;
EEPROM_writeAnything(0, foldern);
//open file on sd card
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
print_Error(F("SD Error"), true);
}
// MBC2 Fix (unknown why this fixes it, maybe has to read ROM before RAM?)
readByte_GB(0x0134);
unsigned int addr = 0;
unsigned int endaddr = 0;
if (romType == 6 && sramSize == 0) {
endaddr = 0xA1FF; // MBC2 512bytes (nibbles)
}
if (sramSize == 1) {
endaddr = 0xA7FF; // 2K RAM
}
if (sramSize > 1) {
endaddr = 0xBFFF; // 8K RAM
}
// Does cartridge have RAM
if (endaddr > 0) {
dataOut();
// Initialise MBC
writeByte_GB(0x0000, 0x0A);
// Switch RAM banks
for (int bank = 0; bank < sramBanks; bank++) {
dataOut();
writeByte_GB(0x4000, bank);
// Read RAM
dataIn();
for (addr = 0xA000; addr <= endaddr; addr = addr + 64) {
uint8_t readData[64];
for (int i = 0; i < 64; i++) {
readData[i] = readByte_GB(addr + i);
}
myFile.write(readData, 64);
}
}
dataOut();
// Disable RAM
writeByte_GB(0x0000, 0x00);
dataIn();
}
else {
print_Error(F("Cart has no SRAM"), false);
}
// Close the file:
myFile.close();
// Signal end of process
print_Msg(F("Saved to SAVE/"));
print_Msg(romName);
print_Msg(F("/"));
print_Msg(foldern - 1);
print_Msg(F("/"));
println_Msg(fileName);
display_Update();
}
// Write RAM
void writeSRAM_GB() {
filePath[0] = '\0';
sd.chdir("/");
fileBrowser("Select sav file");
// Create filepath
sprintf(filePath, "%s/%s", filePath, fileName);
//open file on sd card
if (myFile.open(filePath, O_READ)) {
// MBC2 Fix (unknown why this fixes it, maybe has to read ROM before RAM?)
readByte_GB(0x0134);
unsigned int addr = 0;
unsigned int endaddr = 0;
if (romType == 6 && sramSize == 0) {
endaddr = 0xA1FF; // MBC2 512bytes (nibbles)
}
if (sramSize == 1) {
endaddr = 0xA7FF; // 2K RAM
}
if (sramSize > 1) {
endaddr = 0xBFFF; // 8K RAM
}
// Does cartridge have RAM
if (endaddr > 0) {
dataOut();
// Initialise MBC
writeByte_GB(0x0000, 0x0A);
// Switch RAM banks
for (int bank = 0; bank < sramBanks; bank++) {
writeByte_GB(0x4000, bank);
// Write RAM
for (addr = 0xA000; addr <= endaddr; addr = addr + 64) {
// Wait for serial input
for (uint8_t i = 0; i < 64; i++) {
// Pull CS(PH3) LOW
PORTH &= ~(1 << 3);
// Write to RAM
writeByte_GB(addr + i, myFile.read());
asm volatile("nop");
asm volatile("nop");
asm volatile("nop");
// Pull CS(PH3) HIGH
PORTH |= (1 << 3) ;
}
}
}
// Disable RAM
writeByte_GB(0x0000, 0x00);
Serial.flush(); // Flush any serial data that wasn't processed
}
else {
print_Error(F("Cart has no SRAM"), false);
}
// Set pins to input
dataIn();
// Close the file:
myFile.close();
display_Clear();
println_Msg(F("SRAM writing finished"));
display_Update();
}
else {
print_Error(F("File doesnt exist"), false);
}
}
// Check if the SRAM was written without any error
unsigned long verifySRAM_GB() {
//open file on sd card
if (myFile.open(filePath, O_READ)) {
// Variable for errors
writeErrors = 0;
// MBC2 Fix (unknown why this fixes it, maybe has to read ROM before RAM?)
readByte_GB(0x0134);
unsigned int addr = 0;
unsigned int endaddr = 0;
if (romType == 6 && sramSize == 0) {
endaddr = 0xA1FF; // MBC2 512bytes (nibbles)
}
if (sramSize == 1) {
endaddr = 0xA7FF; // 2K RAM
}
if (sramSize > 1) {
endaddr = 0xBFFF; // 8K RAM
}
// Does cartridge have RAM
if (endaddr > 0) {
dataOut();
// Initialise MBC
writeByte_GB(0x0000, 0x0A);
// Switch RAM banks
for (int bank = 0; bank < sramBanks; bank++) {
dataOut();
writeByte_GB(0x4000, bank);
// Read RAM
dataIn();
for (addr = 0xA000; addr <= endaddr; addr = addr + 64) {
//fill sdBuffer
myFile.read(sdBuffer, 64);
for (int c = 0; c < 64; c++) {
if (readByte_GB(addr + c) != sdBuffer[c]) {
writeErrors++;
}
}
}
}
dataOut();
// Disable RAM
writeByte_GB(0x0000, 0x00);
dataIn();
}
// Close the file:
myFile.close();
return writeErrors;
}
else {
print_Error(F("Can't open file"), true);
}
}
//******************************************

413
Cart_Reader/GBA.ino Normal file
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@ -0,0 +1,413 @@
//******************************************
// GAME BOY ADVANCE
//******************************************
/******************************************
Variables
*****************************************/
char calcChecksumStr[5];
byte cartBuffer[513];
const int nintendoLogo[] PROGMEM = {
0x00, 0x00, 0x00, 0x00, 0x24, 0xFF, 0xAE, 0x51, 0x69, 0x9A, 0xA2, 0x21, 0x3D, 0x84, 0x82, 0x0A,
0x84, 0xE4, 0x09, 0xAD, 0x11, 0x24, 0x8B, 0x98, 0xC0, 0x81, 0x7F, 0x21, 0xA3, 0x52, 0xBE, 0x19,
0x93, 0x09, 0xCE, 0x20, 0x10, 0x46, 0x4A, 0x4A, 0xF8, 0x27, 0x31, 0xEC, 0x58, 0xC7, 0xE8, 0x33,
0x82, 0xE3, 0xCE, 0xBF, 0x85, 0xF4, 0xDF, 0x94, 0xCE, 0x4B, 0x09, 0xC1, 0x94, 0x56, 0x8A, 0xC0,
0x13, 0x72, 0xA7, 0xFC, 0x9F, 0x84, 0x4D, 0x73, 0xA3, 0xCA, 0x9A, 0x61, 0x58, 0x97, 0xA3, 0x27,
0xFC, 0x03, 0x98, 0x76, 0x23, 0x1D, 0xC7, 0x61, 0x03, 0x04, 0xAE, 0x56, 0xBF, 0x38, 0x84, 0x00,
0x40, 0xA7, 0x0E, 0xFD, 0xFF, 0x52, 0xFE, 0x03, 0x6F, 0x95, 0x30, 0xF1, 0x97, 0xFB, 0xC0, 0x85,
0x60, 0xD6, 0x80, 0x25, 0xA9, 0x63, 0xBE, 0x03, 0x01, 0x4E, 0x38, 0xE2, 0xF9, 0xA2, 0x34, 0xFF,
0xBB, 0x3E, 0x03, 0x44, 0x78, 0x00, 0x90, 0xCB, 0x88, 0x11, 0x3A, 0x94, 0x65, 0xC0, 0x7C, 0x63,
0x87, 0xF0, 0x3C, 0xAF, 0xD6, 0x25, 0xE4, 0x8B, 0x38, 0x0A, 0xAC, 0x72, 0x21, 0xD4, 0xF8, 0x07
};
/******************************************
Menu
*****************************************/
// GBA menu items
const char GBAMenuItem1[] PROGMEM = "Read Rom";
const char GBAMenuItem2[] PROGMEM = "Read Save";
const char GBAMenuItem3[] PROGMEM = "Write Save";
const char GBAMenuItem4[] PROGMEM = "Reset";
const char* const menuOptionsGBA[] PROGMEM = {GBAMenuItem1, GBAMenuItem2, GBAMenuItem3, GBAMenuItem4};
const char GBARomMenuItem1[] PROGMEM = "4MB";
const char GBARomMenuItem2[] PROGMEM = "8MB";
const char GBARomMenuItem3[] PROGMEM = "16MB";
const char GBARomMenuItem4[] PROGMEM = "32MB";
const char* const menuOptionsGBARom[] PROGMEM = {GBARomMenuItem1, GBARomMenuItem2, GBARomMenuItem3, GBARomMenuItem4};
void gbaMenu() {
// create menu with title and 4 options to choose from
unsigned char mainMenu;
// Copy menuOptions out of progmem
convertPgm(menuOptionsGBA, 4);
mainMenu = question_box("GBA Cart Reader", menuOptions, 4, 0);
// wait for user choice to come back from the question box menu
switch (mainMenu)
{
case 0:
// Read rom
// create submenu with title and 4 options to choose from
unsigned char GBARomMenu;
// Copy menuOptions out of progmem
convertPgm(menuOptionsGBARom, 4);
GBARomMenu = question_box("Select ROM size", menuOptions, 4, 0);
// wait for user choice to come back from the question box menu
switch (GBARomMenu)
{
case 0:
// 4MB
cartSize = 0x400000;
break;
case 1:
// 8MB
cartSize = 0x800000;
break;
case 2:
// 16MB
cartSize = 0x1000000;
break;
case 3:
// 32MB
cartSize = 0x2000000;
break;
}
display_Clear();
// Change working dir to root
sd.chdir("/");
readROM_GBA();
sd.chdir("/");
compare_checksum_GBA();
break;
case 1:
display_Clear();
// Change working dir to root
sd.chdir("/");
readSAVE_GBA();
break;
case 2:
display_Clear();
// Change working dir to root
sd.chdir("/");
writeSAVE_GBA();
unsigned long wrErrors;
wrErrors = verifySAVE_GBA();
if (wrErrors == 0) {
println_Msg(F("Verified OK"));
display_Update();
}
else {
print_Msg(F("Error: "));
print_Msg(wrErrors);
println_Msg(F(" bytes "));
print_Error(F("did not verify."), false);
}
break;
case 3:
asm volatile (" jmp 0");
break;
}
println_Msg(F(""));
println_Msg(F("Press Button..."));
display_Update();
wait();
}
/******************************************
Setup
*****************************************/
void setup_GBA() {
// Set address/data pins to OUTPUT
// AD0-AD7
DDRF = 0xFF;
// AD8-AD15
DDRK = 0xFF;
// AD16-AD23
DDRC = 0xFF;
// Output a HIGH signal
// AD0-AD7
PORTF = 0xFF;
// AD8-AD15
PORTK = 0xFF;
// AD16-AD23
PORTC = 0xFF;
// Set Control Pins to Output CS_SRAM(PH0) CS_ROM(PH3) WR(PH5) RD(PH6)
// CLK is N/C and IRQ is conected to GND inside the cartridge
DDRH |= (1 << 0) | (1 << 3) | (1 << 5) | (1 << 6);
// Output a high signal on CS_SRAM(PH0) CS_ROM(PH3) WR(PH5) RD(PH6)
// At power-on all the control lines are high/disabled
PORTH |= (1 << 0) | (1 << 3) | (1 << 5) | (1 << 6);
// Delay until all is stable
delay(500);
// Print start page
getCartInfo_GBA();
display_Clear();
println_Msg(F("GBA Cart Info"));
println_Msg("");
print_Msg(F("Rom Name: "));
println_Msg(romName);
print_Msg(F("Cart ID: "));
println_Msg(cartID);
print_Msg(F("Checksum: "));
println_Msg(checksumStr);
print_Msg(F("Version: 1."));
println_Msg(romVersion);
println_Msg("");
// Wait for user input
println_Msg(F("Press Button..."));
display_Update();
wait();
}
/******************************************
Low level functions
*****************************************/
// Read one word and toggle both CS and RD
word readWord_GBA(unsigned long myAddress) {
//divide address by two since we read two bytes per offset
unsigned long currAddress = myAddress / 2;
// Output address to address pins,
PORTF = currAddress & 0xFF;
PORTK = (currAddress >> 8) & 0xFF;
PORTC = (currAddress >> 16) & 0xFF;
// Wait 30ns, Arduino running at 16Mhz -> one operation = 62.5ns
__asm__("nop\n\t");
// Pull CS_ROM(PH3) LOW to latch the address
PORTH &= ~(1 << 3);
// Wait 120ns between pulling CS and RD LOW
__asm__("nop\n\t""nop\n\t");
// Set address/data pins to LOW, this is important
PORTF = 0x0;
PORTK = 0x0;
// Set address/data ports to input so we can read, but don't enable pullups
DDRF = 0x0;
DDRK = 0x0;
// Pull RD(PH6) to LOW to read 16 bytes of data
PORTH &= ~ (1 << 6);
// Wait 120ns for the cartridge rom to write the data to the datalines
__asm__("nop\n\t""nop\n\t");
// Switch CS_ROM(PH3) RD(PH6) to HIGH
PORTH |= (1 << 3) | (1 << 6);
// Read the data off the data lines on the rising edge of the RD line.
word tempWord = ((PINF << 8) + PINK) & 0xFFFF;
// Set address/data pins to output
DDRF = 0xFF;
DDRK = 0xFF;
DDRC = 0xFF;
// Output a high signal so there are no floating pins
PORTF = 0XFF;
PORTK = 0XFF;
PORTC = 0XFF;
// Return the read word
return tempWord;
}
// Read multiple bytes into an array by toggling both CS and RD for each byte
void readBlock_GBA(unsigned long myAddress, byte myArray[] , int numBytes) {
for (int currByte = 0; currByte < numBytes; currByte += 2) {
unsigned long currAddress = myAddress + currByte;
word currWord = readWord_GBA(currAddress);
myArray[currByte] = (currWord >> 8) & 0xFF;
myArray[currByte + 1] = currWord & 0xFF;
}
}
/******************************************
Game Boy functions
*****************************************/
// Read info out of rom header
void getCartInfo_GBA() {
// Read Header into array
readBlock_GBA(0, cartBuffer, 192);
// Nintendo logo check
for (int currByte = 0x4; currByte < 0xA0; currByte++) {
if (pgm_read_byte(&nintendoLogo[currByte]) != cartBuffer[currByte]) {
print_Error(F("Nintendo Logo Error"), false);
println_Msg(F(""));
println_Msg(F("Press Button..."));
display_Update();
wait();
break;
}
}
// Get cart ID
cartID[0] = char(cartBuffer[0xAC]);
cartID[1] = char(cartBuffer[0xAD]);
cartID[2] = char(cartBuffer[0xAE]);
cartID[3] = char(cartBuffer[0xAF]);
// Dump name into 8.3 compatible format
byte myByte = 0;
byte myLength = 0;
for (int addr = 0xA0; addr <= 0xAB; addr++) {
myByte = cartBuffer[addr];
if (((char(myByte) >= 48 && char(myByte) <= 57) || (char(myByte) >= 65 && char(myByte) <= 122)) && myLength < 8) {
romName[myLength] = char(myByte);
myLength++;
}
}
// Get ROM version
romVersion = cartBuffer[0xBC];
// Get Checksum as string
sprintf(checksumStr, "%02X", cartBuffer[0xBD]);
// Calculate Checksum
int calcChecksum = 0x00;
for (int n = 0xA0; n < 0xBD; n++) {
calcChecksum -= cartBuffer[n];
}
calcChecksum = (calcChecksum - 0x19) & 0xFF;
// Turn into string
sprintf(calcChecksumStr, "%02X", calcChecksum);
// Compare checksum
if (strcmp(calcChecksumStr, checksumStr) != 0) {
print_Msg(F("Result: "));
println_Msg(calcChecksumStr);
print_Error(F("Checksum Error"), false);
println_Msg(F(""));
println_Msg(F("Press Button..."));
display_Update();
wait();
}
}
// Dump ROM
void readROM_GBA() {
// Get name, add extension and convert to char array for sd lib
char fileName[26];
strcpy(fileName, romName);
strcat(fileName, ".gba");
// create a new folder for the rom file
EEPROM_readAnything(0, foldern);
sprintf(folder, "ROM/%s/%d", romName, foldern);
sd.mkdir(folder, true);
sd.chdir(folder);
//clear the screen
display_Clear();
println_Msg(F("Creating folder: "));
println_Msg(folder);
display_Update();
// write new folder number back to eeprom
foldern = foldern + 1;
EEPROM_writeAnything(0, foldern);
//open file on sd card
if (!myFile.open(fileName, O_RDWR | O_CREAT)) {
print_Error(F("Can't create file on SD"), true);
}
// Read rom
for (int myAddress = 0; myAddress < cartSize; myAddress += 512) {
// Fill cartBuffer starting at myAddress and reading 512 bytes into array cartBuffer
readBlock_GBA(myAddress, sdBuffer, 512);
// Write to SD
myFile.write(sdBuffer, 512);
// Pause between blocks, increase if you get errors every numBytes bytes
delayMicroseconds(10);
}
// Close the file:
myFile.close();
// Signal end of process
print_Msg(F("Saved as "));
println_Msg(fileName);
}
// Calculate the checksum of the dumped rom
boolean compare_checksum_GBA () {
println_Msg(F("Calculating Checksum"));
display_Update();
char fileName[26];
strcpy(fileName, romName);
strcat(fileName, ".gba");
// last used rom folder
EEPROM_readAnything(0, foldern);
sprintf(folder, "ROM/%s/%d", romName, foldern - 1);
sd.chdir(folder);
// If file exists
if (myFile.open(fileName, O_READ)) {
// Read rom header
myFile.read(sdBuffer, 512);
myFile.close();
// Calculate Checksum
int calcChecksum = 0x00;
for (int n = 0xA0; n < 0xBD; n++) {
calcChecksum -= sdBuffer[n];
}
calcChecksum = (calcChecksum - 0x19) & 0xFF;
// Turn into string
sprintf(calcChecksumStr, "%02X", calcChecksum);
if (strcmp(calcChecksumStr, checksumStr) == 0) {
println_Msg(F("Checksum matches"));
display_Update();
return 1;
}
else {
print_Msg(F("Result: "));
println_Msg(calcChecksumStr);
print_Error(F("Checksum Error"), false);
return 0;
}
}
// Else show error
else {
print_Error(F("Failed to open rom"), false);
return 0;
}
}
void readSAVE_GBA() {
}
void writeSAVE_GBA() {
}
unsigned long verifySAVE_GBA() {
}
//******************************************
// End of File
//******************************************

View File

@ -36,9 +36,7 @@ String button = "N/A";
String lastbutton = "N/A";
// Cartridge ID and size
char cartID[5];
byte saveType;
unsigned long cartSize;
// Rom base address
unsigned long romBase = 0x10000000;

View File

@ -91,31 +91,31 @@ void NPGameMenu() {
if (hasMenu) {
// Create submenu options
char menuOptionsNPGames[8][20];
for (int i = 0; i < (numGames - 1); i++) {
strncpy(menuOptionsNPGames[i], gameCode[i + 1], 10);
for (int i = 0; i < (numGames); i++) {
strncpy(menuOptionsNPGames[i], gameCode[i], 10);
}
// Create menu with title and numGames - 1 options to choose from
// Create menu with title and numGames options to choose from
unsigned char gameSubMenu;
// wait for user choice to come back from the question box menu
gameSubMenu = question_box("Select Game", menuOptionsNPGames, numGames - 1, 0);
gameSubMenu = question_box("Select Game", menuOptionsNPGames, numGames, 0);
// Switch to game
send_NP(gameSubMenu + 0x81);
send_NP(gameSubMenu + 0x80);
delay(200);
// Check for successfull switch
byte timeout = 0;
while (readBank_SNES(0, 0x2400) != 0x7D) {
delay(200);
// Try again
send_NP(gameSubMenu + 0x81);
send_NP(gameSubMenu + 0x80);
delay(200);
timeout++;
// Abort, something is wrong
if (timeout == 5) {
display_Clear();
print_Msg(F("Game "));
print_Msg(gameSubMenu + 0x81, HEX);
print_Msg(gameSubMenu + 0x80, HEX);
println_Msg(F(" Timeout"));
println_Msg(readBank_SNES(0, 0x2400), HEX);
println_Msg(F(""));
@ -1328,7 +1328,7 @@ byte send_NP(byte command) {
// Switch to read
dataIn();
controlIn_SNES();
// Read status
NPReady = readBank_SNES(0, 0x2400);

1243
Cart_Reader/SNES.ino Normal file

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