Mirrors/cartreader
2
0
Fork 0
mirror of https://github.com/sanni/cartreader.git synced 2024-12-28 14:01:52 +01:00
Code Issues Projects Releases Wiki Activity

Change busycheck in GB.ino

Browse Source
This commit is contained in:
sanni 2024-09-13 18:31:01 +02:00
parent 63b3c7ee24
commit b390a52adb
1 changed files with 38 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

67
Cart_Reader/GB.ino
View File

@ -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 // Write AMD type flashrom
// A0-A13 directly connected to cart edge -> 16384(0x0-0x3FFF) bytes per bank -> 256(0x0-0xFF) banks // A0-A13 directly connected to cart edge -> 16384(0x0-0x3FFF) bytes per bank -> 256(0x0-0xFF) banks
// A14-A21 connected to MBC5 // A14-A21 connected to MBC5
@ -1938,6 +1960,18 @@ void writeFlash_GB(byte MBC, boolean commandSet, boolean flashErase) {
print_Msg(romBanks); print_Msg(romBanks);
println_Msg(F("/32")); println_Msg(F("/32"));
display_Update(); 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 { } else {
print_Msg(F("Flash ID: ")); print_Msg(F("Flash ID: "));
sprintf(flashid_str, "%04X", flashid); sprintf(flashid_str, "%04X", flashid);
@ -1959,13 +1993,8 @@ void writeFlash_GB(byte MBC, boolean commandSet, boolean flashErase) {
sendFlashCommand_GB(0x80, commandSet); sendFlashCommand_GB(0x80, commandSet);
sendFlashCommand_GB(0x10, commandSet); sendFlashCommand_GB(0x10, commandSet);
// Read the status register // Wait until erase is complete
byte statusReg = readByte_GB(0); busyCheck_GB(0, 0x80);
// After a completed erase D7 will output 1
while ((statusReg & 0x80) != 0x80) {
// Update Status
statusReg = readByte_GB(0);
}
// Blankcheck // Blankcheck
println_Msg(F("Blankcheck")); println_Msg(F("Blankcheck"));
@ -2037,26 +2066,7 @@ void writeFlash_GB(byte MBC, boolean commandSet, boolean flashErase) {
PORTH &= ~(1 << 6); PORTH &= ~(1 << 6);
// Busy check // Busy check
//byte count = 0; busyCheck_GB(currAddr + currByte, sdBuffer[currByte]);
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();
}
*/
}
// Switch OE/RD(PH6) to HIGH // Switch OE/RD(PH6) to HIGH
PORTH |= (1 << 6); PORTH |= (1 << 6);
@ -2103,8 +2113,7 @@ void writeFlash_GB(byte MBC, boolean commandSet, boolean flashErase) {
PORTH &= ~(1 << 6); PORTH &= ~(1 << 6);
// Busy check // Busy check
while ((PINC & 0x80) != (sdBuffer[currByte] & 0x80)) { busyCheck_GB(currAddr + currByte, sdBuffer[currByte]);
}
// Switch OE/RD(PH6) to HIGH // Switch OE/RD(PH6) to HIGH
PORTH |= (1 << 6); PORTH |= (1 << 6);