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Merge pull request #413 from karimhadjsalem/master

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fix flashing of unrom-512 boards
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sanni 2022-07-19 08:56:58 +02:00 committed by GitHub
commit eeb5298c9b
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1 changed files with 3 additions and 7 deletions
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Cart_Reader/NES.ino
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@ -4012,7 +4012,7 @@ void NESmaker_ResetFlash() { // Reset Flash
write_prg_byte(0xC000, 0x00);
write_prg_byte(0xAAAA, 0x55);
write_prg_byte(0xC000, 0x01);
write_prg_byte(0x9555, 0xFF); // Reset
write_prg_byte(0x9555, 0xF0); // Reset
}
// SST 39SF040 Software ID
@ -4027,12 +4027,7 @@ void NESmaker_ID() { // Read Flash ID
unsigned char ID1 = read_prg_byte(0x8000);
unsigned char ID2 = read_prg_byte(0x8001);
sprintf(flashid, "%02X%02X", ID1, ID2);
write_prg_byte(0xC000, 0x01);
write_prg_byte(0x9555, 0xAA);
write_prg_byte(0xC000, 0x00);
write_prg_byte(0xAAAA, 0x55);
write_prg_byte(0xC000, 0x01);
write_prg_byte(0x9555, 0xF0); // Software ID Exit
NESmaker_ResetFlash(); // Software ID Exit
if (strcmp(flashid, "BFB7") == 0) // SST 39SF040
flashfound = 1;
}
@ -4110,6 +4105,7 @@ void writeFLASH() {
//open file on sd card
if (myFile.open(filePath, O_READ)) {
myFile.seekSet(16);
banks = int_pow(2, prgsize); // 256K/512K
for (int i = 0; i < banks; i++) { // 16K Banks
for (word sector = 0; sector < 0x4000; sector += 0x1000) { // 4K Sectors ($8000/$9000/$A000/$B000)