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Update GB.ino
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@sanni
sanni committed Sep 13, 2024
1 parent d82ee04 commit 63b3c7e
Showing 1 changed file with 68 additions and 27 deletions.
95 changes: 68 additions & 27 deletions Cart_Reader/GB.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ static const char* const menuOptionsGB[] PROGMEM = { FSTRING_READ_ROM, FSTRING_R

#if defined(ENABLE_FLASH)
// GB Flash items
static const char GBFlashItem1[] PROGMEM = "GB 29F Repro";
static const char GBFlashItem1[] PROGMEM = "GB 29F/39SF Repro";
static const char GBFlashItem2[] PROGMEM = "GB CFI Repro";
static const char GBFlashItem3[] PROGMEM = "GB CFI and Save";
static const char GBFlashItem4[] PROGMEM = "GB Smart";
Expand All @@ -42,7 +42,8 @@ static const char GBFlash29Item1[] PROGMEM = "DIY MBC3 (WR)";
static const char GBFlash29Item2[] PROGMEM = "DIY MBC5 (WR)";
static const char GBFlash29Item3[] PROGMEM = "HDR MBC30 (Audio)";
static const char GBFlash29Item4[] PROGMEM = "HDR GameBoy Cam";
static const char* const menuOptionsGBFlash29[] PROGMEM = { GBFlash29Item1, GBFlash29Item2, GBFlash29Item3, GBFlash29Item4, FSTRING_RESET };
static const char GBFlash29Item5[] PROGMEM = "39SF040 (Audio)";
static const char* const menuOptionsGBFlash29[] PROGMEM = { GBFlash29Item1, GBFlash29Item2, GBFlash29Item3, GBFlash29Item4, GBFlash29Item5, FSTRING_RESET };
#endif

// Pelican Codebreaker, Brainboy, and Monster Brain Operation Menu
Expand Down Expand Up @@ -132,8 +133,8 @@ void gbxMenu() {
// create submenu with title and 5 options to choose from
unsigned char gbFlash29;
// Copy menuOptions out of progmem
convertPgm(menuOptionsGBFlash29, 5);
gbFlash29 = question_box(F("Select MBC"), menuOptions, 5, 0);
convertPgm(menuOptionsGBFlash29, 6);
gbFlash29 = question_box(F("Select MBC"), menuOptions, 6, 0);

// wait for user choice to come back from the question box menu
switch (gbFlash29) {
Expand All @@ -147,7 +148,7 @@ void gbxMenu() {
// Change working dir to root
sd.chdir("/");
//MBC3
writeFlash29F_GB(3, 1);
writeFlash_GB(3, 0, 1);
feedbackPressAndReset();
break;

Expand All @@ -161,12 +162,12 @@ void gbxMenu() {
// Change working dir to root
sd.chdir("/");
//MBC5
writeFlash29F_GB(5, 1);
writeFlash_GB(5, 0, 1);
feedbackPressAndReset();
break;

case 2:
//Also pulse Audio-In during writes
//Pulse Audio-In during writes
display_Clear();
display_Update();
setup_GB();
Expand All @@ -176,13 +177,13 @@ void gbxMenu() {
DDRH |= (1 << 4);
// Output a high signal on Audio-In(PH4)
PORTH |= (1 << 4);
//Tell writeByte_GB function to pulse Audio-In too
//Tell writeByte_GB function to pulse Audio-In
audioWE = 1;

// Change working dir to root
sd.chdir("/");
//MBC5
writeFlash29F_GB(3, 1);
writeFlash_GB(3, 0, 1);
feedbackPressAndReset();
break;

Expand All @@ -197,7 +198,7 @@ void gbxMenu() {
// Change working dir to root
sd.chdir("/");
//MBC3
writeFlash29F_GB(3, 1);
writeFlash_GB(3, 0, 1);
// Prints string out of the common strings array either with or without newline
print_STR(press_button_STR, 1);
display_Update();
Expand All @@ -219,14 +220,35 @@ void gbxMenu() {
// Change working dir to root
sd.chdir("/");
//MBC3
writeFlash29F_GB(3, 0);
writeFlash_GB(3, 0, 0);

// Reset
println_Msg(FS(FSTRING_EMPTY));
feedbackPressAndReset();
break;

case 4:
//Flash MBC5 cart with 39SF040 and WE on Audio
display_Clear();
display_Update();
setup_GB();
mode = CORE_GB;

//Setup Audio-In(PH4) as Output
DDRH |= (1 << 4);
// Output a high signal on Audio-In(PH4)
PORTH |= (1 << 4);
//Tell writeByte_GB function to pulse Audio-In
audioWE = 1;

// Change working dir to root
sd.chdir("/");
//MBC5 with Audio and 39SF040 command set
writeFlash_GB(5, 1, 1);
feedbackPressAndReset();
break;

case 5:
resetArduino();
break;
}
Expand Down Expand Up @@ -774,6 +796,7 @@ void writeByte_GB(int myAddress, byte myData) {
if (audioWE)
// Pull Audio-In(PH4) low
PORTH &= ~(1 << 4);
//else
// Pull WR(PH5) low
PORTH &= ~(1 << 5);

Expand All @@ -786,6 +809,7 @@ void writeByte_GB(int myAddress, byte myData) {
if (audioWE)
// Pull Audio-In(PH4) HIGH
PORTH |= (1 << 4);
//else
// Pull WR(PH5) HIGH
PORTH |= (1 << 5);

Expand Down Expand Up @@ -1817,18 +1841,26 @@ void sendMBC7EEPROM_Inst_GB(uint8_t op, uint8_t addr, uint16_t data) {

#if defined(ENABLE_FLASH)
/******************************************
29F016/29F032/29F033 flashrom functions
29F016/29F032/29F033/39SF040 flashrom functions
*****************************************/
void sendFlash29FCommand_GB(byte cmd) {
writeByte_GB(0x555, 0xaa);
writeByte_GB(0x2aa, 0x55);
writeByte_GB(0x555, cmd);
void sendFlashCommand_GB(byte cmd, boolean commandSet) {
if (commandSet == 0) {
//29F016/29F032/29F033
writeByte_GB(0x555, 0xaa);
writeByte_GB(0x2aa, 0x55);
writeByte_GB(0x555, cmd);
} else if (commandSet == 1) {
//39SF040
writeByte_GB(0x5555, 0xaa);
writeByte_GB(0x2aaa, 0x55);
writeByte_GB(0x5555, cmd);
}
}

// Write 29F032 flashrom
// Write AMD type flashrom
// A0-A13 directly connected to cart edge -> 16384(0x0-0x3FFF) bytes per bank -> 256(0x0-0xFF) banks
// A14-A21 connected to MBC5
void writeFlash29F_GB(byte MBC, boolean flashErase) {
void writeFlash_GB(byte MBC, boolean commandSet, boolean flashErase) {
// Launch filebrowser
filePath[0] = '\0';
sd.chdir("/");
Expand Down Expand Up @@ -1860,11 +1892,11 @@ void writeFlash29F_GB(byte MBC, boolean flashErase) {
delay(100);

// Reset flash
writeByte_GB(0x555, 0xf0);
sendFlashCommand_GB(0xf0, commandSet);
delay(100);

// ID command sequence
sendFlash29FCommand_GB(0x90);
sendFlashCommand_GB(0x90, commandSet);

// Read the two id bytes into a string
flashid = readByte_GB(0) << 8;
Expand Down Expand Up @@ -1900,6 +1932,12 @@ void writeFlash29F_GB(byte MBC, boolean flashErase) {
print_Msg(romBanks);
println_Msg(F("/64"));
display_Update();
} else if (flashid == 0xBFB7) {
println_Msg(F("SST 39SF040"));
print_Msg(F("Banks: "));
print_Msg(romBanks);
println_Msg(F("/32"));
display_Update();
} else {
print_Msg(F("Flash ID: "));
sprintf(flashid_str, "%04X", flashid);
Expand All @@ -1909,7 +1947,7 @@ void writeFlash29F_GB(byte MBC, boolean flashErase) {
}

// Reset flash
writeByte_GB(0x555, 0xf0);
sendFlashCommand_GB(0xf0, commandSet);

delay(100);

Expand All @@ -1918,8 +1956,8 @@ void writeFlash29F_GB(byte MBC, boolean flashErase) {
display_Update();

// Erase flash
sendFlash29FCommand_GB(0x80);
sendFlash29FCommand_GB(0x10);
sendFlashCommand_GB(0x80, commandSet);
sendFlashCommand_GB(0x10, commandSet);

// Read the status register
byte statusReg = readByte_GB(0);
Expand Down Expand Up @@ -1959,7 +1997,7 @@ void writeFlash29F_GB(byte MBC, boolean flashErase) {
if (audioWE)
println_Msg(F("Writing flash MBC30 (Audio)"));
else
println_Msg(F("Writing flash MBC3"));
println_Msg(F("Writing flash MBC3 (WR)"));
display_Update();

// Write flash
Expand Down Expand Up @@ -1991,7 +2029,7 @@ void writeFlash29F_GB(byte MBC, boolean flashErase) {

for (int currByte = 0; currByte < 512; currByte++) {
// Write command sequence
sendFlash29FCommand_GB(0xa0);
sendFlashCommand_GB(0xa0, commandSet);
// Write current byte
writeByte_GB(currAddr + currByte, sdBuffer[currByte]);

Expand Down Expand Up @@ -2031,7 +2069,10 @@ void writeFlash29F_GB(byte MBC, boolean flashErase) {
}

else if (MBC == 5) {
println_Msg(F("Writing flash MBC5"));
if (audioWE)
println_Msg(F("Writing flash MBC5 (Audio)"));
else
println_Msg(F("Writing flash MBC5 (WR)"));
display_Update();

// Write flash
Expand All @@ -2054,7 +2095,7 @@ void writeFlash29F_GB(byte MBC, boolean flashErase) {

for (int currByte = 0; currByte < 512; currByte++) {
// Write command sequence
sendFlash29FCommand_GB(0xa0);
sendFlashCommand_GB(0xa0, commandSet);
// Write current byte
writeByte_GB(currAddr + currByte, sdBuffer[currByte]);

Expand Down

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