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Add support for Dezaemon 3D 768KB save (thx to saturnu)
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saturnu@fff9a57

(This is untested)
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@sanni
sanni committed Jun 30, 2024
1 parent d1b1c88 commit 0e48720
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Showing 2 changed files with 75 additions and 60 deletions.
133 changes: 74 additions & 59 deletions Cart_Reader/N64.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -274,6 +274,10 @@ void n64CartMenu() {
println_Msg(F("Reading SRAM..."));
display_Update();
readSram(32768, 1);
} else if (saveType == 2) {
println_Msg(F("Reading Sram 768..."));
display_Update();
readSram(98304, 1);
} else if (saveType == 4) {
getFramType();
println_Msg(F("Reading FLASH..."));
Expand Down Expand Up @@ -312,6 +316,22 @@ void n64CartMenu() {
print_STR(_bytes_STR, 1);
print_Error(did_not_verify_STR);
}
} else if (saveType == 2) {
// Launch file browser
fileBrowser(F("Select Sram 768 file"));
display_Clear();

writeSram(98304);
writeErrors = verifySram(98304, 1);
if (writeErrors == 0) {
println_Msg(F("Sram verified OK"));
display_Update();
} else {
print_STR(error_STR, 0);
print_Msg(writeErrors);
print_STR(_bytes_STR, 1);
print_Error(did_not_verify_STR);
}
} else if (saveType == 4) {
// Launch file browser
fileBrowser(F("Select fla file"));
Expand Down Expand Up @@ -1937,6 +1957,9 @@ void printCartInfo_N64() {
case 1:
println_Msg(F("SRAM"));
break;
case 2:
println_Msg(F("SRAM 768"));
break;
case 4:
println_Msg(F("FLASH"));
break;
Expand Down Expand Up @@ -2346,7 +2369,7 @@ unsigned long verifyEeprom() {
*****************************************/
// Write sram to cartridge
void writeSram(unsigned long sramSize) {
if (saveType == 1) {
if (saveType == 1 || saveType == 2) {
// Create filepath
sprintf(filePath, "%s/%s", filePath, fileName);
println_Msg(F("Writing..."));
Expand Down Expand Up @@ -2400,6 +2423,8 @@ void readSram(unsigned long sramSize, byte flashramType) {
suffix = "fla";
} else if (saveType == 1) {
suffix = "sra";
} else if (saveType == 2) {
suffix = "768";
} else {
print_FatalError(F("Savetype Error"));
}
Expand Down Expand Up @@ -4079,10 +4104,10 @@ void flashGameshark_N64() {
}

void unlockGSAddressRanges() {
// This enables using the 0x1EEx_xxxx, 0x1EFx_xxxx, and 0x1ECx_xxxx address ranges, necessary for writing to all supported chips
setAddress_N64(0x10400400);
writeWord_N64(0x1E);
writeWord_N64(0x1E);
// This enables using the 0x1EEx_xxxx, 0x1EFx_xxxx, and 0x1ECx_xxxx address ranges, necessary for writing to all supported chips
setAddress_N64(0x10400400);
writeWord_N64(0x1E);
writeWord_N64(0x1E);
}

//Test for SST 29LE010 or SST 28LF040 (0404) or AMTEL AT29LV010A (3535) or SST 29EE010 (0707)
Expand Down Expand Up @@ -4195,25 +4220,25 @@ void eraseGameshark_N64() {
}

void blankCheck_N64() {
// Blankcheck
println_Msg(F("Blankcheck..."));
display_Update();
// Blankcheck
println_Msg(F("Blankcheck..."));
display_Update();

for (unsigned long currSector = 0; currSector < flashSize; currSector += 131072) {
// Blink led
blinkLED();
for (unsigned long currSdBuffer = 0; currSdBuffer < 131072; currSdBuffer += 512) {
for (int currByte = 0; currByte < 512; currByte += 2) {
// Read flash
setAddress_N64(romBase + 0xEC00000 + currSector + currSdBuffer + currByte);
// Compare both
if (readWord_N64() != 0xFFFF) {
println_Msg(F("Not empty"));
print_FatalError(F("Erase failed"));
}
for (unsigned long currSector = 0; currSector < flashSize; currSector += 131072) {
// Blink led
blinkLED();
for (unsigned long currSdBuffer = 0; currSdBuffer < 131072; currSdBuffer += 512) {
for (int currByte = 0; currByte < 512; currByte += 2) {
// Read flash
setAddress_N64(romBase + 0xEC00000 + currSector + currSdBuffer + currByte);
// Compare both
if (readWord_N64() != 0xFFFF) {
println_Msg(F("Not empty"));
print_FatalError(F("Erase failed"));
}
}
}
}
}

void writeGameshark_N64() {
Expand Down Expand Up @@ -4266,17 +4291,17 @@ void writeGameshark_N64() {

// Set address
setAddress_N64(romBase + 0xEC00000 + currSector + currSdBuffer + currByte);

// Join two bytes into one word
word currWord = ((sdBuffer[currByte] & 0xFF) << 8) | (sdBuffer[currByte + 1] & 0xFF);

// Send byte data
writeWord_N64(currWord);
delayMicroseconds(60);
}
processedProgressBar += 256;
draw_progressbar(processedProgressBar, totalProgressBar);
blinkLED();
processedProgressBar += 256;
draw_progressbar(processedProgressBar, totalProgressBar);
blinkLED();
}
}

Expand Down Expand Up @@ -4412,7 +4437,8 @@ void flashXplorer_N64() {
println_Msg(FS(FSTRING_EMPTY));
println_Msg(F("Turn Cart Reader off now"));
display_Update();
while (1);
while (1)
;
} else {
display_Clear();
display_Update();
Expand Down Expand Up @@ -4448,25 +4474,25 @@ void idXplorer_N64() {
readWord_N64();

if (flashid != 0x0808) {
println_Msg(F("Check cart connection"));
println_Msg(F("Unknown Flash ID"));
sprintf(flashid_str, "%04X", flashid);
print_STR(press_button_STR, 1);
display_Update();
wait();
mainMenu();
}
println_Msg(F("Check cart connection"));
println_Msg(F("Unknown Flash ID"));
sprintf(flashid_str, "%04X", flashid);
print_STR(press_button_STR, 1);
display_Update();
wait();
mainMenu();
}
sprintf(flashid_str, "%04X", flashid);
// Reset flashrom
resetXplorer_N64();
}

void resetXplorer_N64() {
// Send reset command for SST 29LE010
sendFlashromXplorerCommand_N64(0xF0F0);
delay(100);
// Send reset command for SST 29LE010
sendFlashromXplorerCommand_N64(0xF0F0);
delay(100);
}

// Read rom and save to the SD card
void backupXplorer_N64() {
// create a new folder
Expand Down Expand Up @@ -4498,26 +4524,16 @@ void backupXplorer_N64() {
}

unsigned long unscramble(unsigned long addr) {
unsigned long result = (((addr >> 4) & 0x001) | ((addr >> 8) & 0x002) |
((~addr >> 9) & 0x004) | ((addr >> 3) & 0x008) |
((addr >> 6) & 0x010) | ((addr >> 2) & 0x020) |
((~addr << 5) & 0x0C0) | ((~addr << 8) & 0x100) |
((~addr << 6) & 0x200) | ((~addr << 2) & 0x400) |
((addr << 6) & 0x800) | (addr & 0x1F000));

return result;
unsigned long result = (((addr >> 4) & 0x001) | ((addr >> 8) & 0x002) | ((~addr >> 9) & 0x004) | ((addr >> 3) & 0x008) | ((addr >> 6) & 0x010) | ((addr >> 2) & 0x020) | ((~addr << 5) & 0x0C0) | ((~addr << 8) & 0x100) | ((~addr << 6) & 0x200) | ((~addr << 2) & 0x400) | ((addr << 6) & 0x800) | (addr & 0x1F000));

return result;
}


unsigned long scramble(unsigned long addr) {
unsigned long result = (((~addr >> 8) & 0x001) | ((~addr >> 5) & 0x006) |
((~addr >> 6) & 0x008) | ((addr << 4) & 0x010) |
((addr >> 6) & 0x020) | ((addr << 3) & 0x040) |
((addr << 2) & 0x080) | ((~addr >> 2) & 0x100) |
((addr << 8) & 0x200) | ((addr << 6) & 0x400) |
((~addr << 9) & 0x800) | (addr & 0x1F000));

return result;
unsigned long result = (((~addr >> 8) & 0x001) | ((~addr >> 5) & 0x006) | ((~addr >> 6) & 0x008) | ((addr << 4) & 0x010) | ((addr >> 6) & 0x020) | ((addr << 3) & 0x040) | ((addr << 2) & 0x080) | ((~addr >> 2) & 0x100) | ((addr << 8) & 0x200) | ((addr << 6) & 0x400) | ((~addr << 9) & 0x800) | (addr & 0x1F000));

return result;
}


Expand All @@ -4532,7 +4548,6 @@ void oddXPaddrWrite(unsigned long addr, word data) {
setAddress_N64(0x10740000);
readWord_N64();
readWord_N64();

}

void evenXPaddrWrite(unsigned long addr, word data) {
Expand Down Expand Up @@ -4592,7 +4607,7 @@ void writeXplorer_N64() {

// Fill SD buffer with data in the order it will be expected by the CPLD
for (unsigned long i = 0; i < 256; i += 2) {
unsigned long unscrambled_address = (unscramble(((currPage*2) + i) / 2) * 2);
unsigned long unscrambled_address = (unscramble(((currPage * 2) + i) / 2) * 2);
myFile.seek(unscrambled_address);
myFile.read(&sdBuffer[i], 1);
myFile.seek(unscrambled_address + 1);
Expand All @@ -4607,10 +4622,10 @@ void writeXplorer_N64() {
// Join two bytes into one word
word currWord = ((sdBuffer[currByte] & 0xFF) << 8) | (sdBuffer[currByte + 1] & 0xFF);
// Set address
if ((((currByte/2) >> 4) & 0x1) == 0) {
evenXPaddrWrite(0x10400000 + (currPage*2) + currByte, currWord);
if ((((currByte / 2) >> 4) & 0x1) == 0) {
evenXPaddrWrite(0x10400000 + (currPage * 2) + currByte, currWord);
} else {
oddXPaddrWrite(0x10400000 + (currPage*2) + currByte, currWord);
oddXPaddrWrite(0x10400000 + (currPage * 2) + currByte, currWord);
}
}
processedProgressBar += 256;
Expand Down
2 changes: 1 addition & 1 deletion sd/n64.txt
View file
Original file line number Diff line number Diff line change
Expand Up @@ -530,7 +530,7 @@ Destruction Derby 64 (USA).z64
38F1B5D9,DEE584A2,16,0

Dezaemon 3D (Japan).z64
9E978488,8979169C,16,0
9E978488,8979169C,16,2

Diddy Kong Racing (Europe) (En,Fr,De) (Rev 1).z64
B1E87639,596E145B,12,5
Expand Down

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