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Change busycheck in GB.ino

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sanni 2024-09-13 18:31:01 +02:00
parent 63b3c7ee24
commit b390a52adb
1 changed files with 38 additions and 29 deletions
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67
Cart_Reader/GB.ino
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@ -1857,6 +1857,28 @@ void sendFlashCommand_GB(byte cmd, boolean commandSet) {
}
}
// Read the status register
void busyCheck_GB(unsigned long address, byte data) {
byte statusReg = readByte_GB(address);
//byte count = 0;
while ((statusReg & 0x80) != (data & 0x80)) {
// Update Status
statusReg = readByte_GB(address);
/* Debug
count++;
if (count > 250) {
println_Msg("");
print_Msg(F("Bank: "));
print_Msg(currBank);
print_Msg(F(" Addr: "));
println_Msg(currAddr + currByte);
display_Update();
wait();
}
*/
}
}
// 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
@ -1938,6 +1960,18 @@ void writeFlash_GB(byte MBC, boolean commandSet, boolean flashErase) {
print_Msg(romBanks);
println_Msg(F("/32"));
display_Update();
} else if (flashid == 0xBFB6) {
println_Msg(F("SST 39SF020"));
print_Msg(F("Banks: "));
print_Msg(romBanks);
println_Msg(F("/16"));
display_Update();
} else if (flashid == 0xBFB5) {
println_Msg(F("SST 39SF010"));
print_Msg(F("Banks: "));
print_Msg(romBanks);
println_Msg(F("/8"));
display_Update();
} else {
print_Msg(F("Flash ID: "));
sprintf(flashid_str, "%04X", flashid);
@ -1959,13 +1993,8 @@ void writeFlash_GB(byte MBC, boolean commandSet, boolean flashErase) {
sendFlashCommand_GB(0x80, commandSet);
sendFlashCommand_GB(0x10, commandSet);
// Read the status register
byte statusReg = readByte_GB(0);
// After a completed erase D7 will output 1
while ((statusReg & 0x80) != 0x80) {
// Update Status
statusReg = readByte_GB(0);
}
// Wait until erase is complete
busyCheck_GB(0, 0x80);
// Blankcheck
println_Msg(F("Blankcheck"));
@ -2037,26 +2066,7 @@ void writeFlash_GB(byte MBC, boolean commandSet, boolean flashErase) {
PORTH &= ~(1 << 6);
// Busy check
//byte count = 0;
while ((PINC & 0x80) != (sdBuffer[currByte] & 0x80)) {
/*
// Debug
count++;
__asm__("nop\n\t"
"nop\n\t"
"nop\n\t"
"nop\n\t");
if (count > 250) {
println_Msg("");
print_Msg(F("Bank: "));
print_Msg(currBank);
print_Msg(F(" Addr: "));
println_Msg(currAddr + currByte);
display_Update();
wait();
}
*/
}
busyCheck_GB(currAddr + currByte, sdBuffer[currByte]);
// Switch OE/RD(PH6) to HIGH
PORTH |= (1 << 6);
@ -2103,8 +2113,7 @@ void writeFlash_GB(byte MBC, boolean commandSet, boolean flashErase) {
PORTH &= ~(1 << 6);
// Busy check
while ((PINC & 0x80) != (sdBuffer[currByte] & 0x80)) {
}
busyCheck_GB(currAddr + currByte, sdBuffer[currByte]);
// Switch OE/RD(PH6) to HIGH
PORTH |= (1 << 6);