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Merge pull request #1085 from plaidpants/master

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Add support for atari2600 SUPERBank
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sanni 2025-04-04 19:32:12 +02:00 committed by GitHub
commit 726fa27ebc
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1 changed files with 29 additions and 3 deletions
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32
Cart_Reader/2600.ino
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@ -42,13 +42,15 @@ static const byte PROGMEM a2600mapsize[] = {
0x3E, 5, // Tigervision 32K with 32K RAM
0x07, 6, // X07 64K ROM
0xDF, 7, // "DFSC" Penult 128K ROM with 32K RAM
0xBA, 7, // SUPERBank 128K Casey's Gold
0xBB, 8, // SUPERBank 256K
};
byte a2600mapcount = (sizeof(a2600mapsize) / sizeof(a2600mapsize[0])) / 2;
byte a2600mapselect;
int a2600index;
byte a2600[] = { 2, 4, 8, 12, 16, 32, 64, 128 };
int a2600[] = { 2, 4, 8, 12, 16, 32, 64, 128, 256 };
byte a2600mapper = 0;
byte a2600size;
@ -528,6 +530,20 @@ void readROM_2600() {
}
break;
case 0xBA: // SUPERbank 128K
for (int x = 0; x < 0x20; x++) {
readData_2600(0x0800 + x);
readSegment_2600(0x1000, 0x2000);
}
break;
case 0xBB: // SUPERbank 256K
for (int x = 0; x < 0x40; x++) {
readData_2600(0x0800 + x);
readSegment_2600(0x1000, 0x2000);
}
break;
default:
break;
}
@ -569,6 +585,10 @@ void println_Mapper2600(byte mapper) {
println_Msg(F("X07"));
else if (mapper == 0xDF)
println_Msg(F("DFSC"));
else if (mapper == 0xBA)
println_Msg(F("SB 128K"));
else if (mapper == 0xBB)
println_Msg(F("SB 256K"));
else
println_Msg(mapper, HEX);
#else
@ -594,6 +614,10 @@ void println_Mapper2600(byte mapper) {
Serial.println(F("X07"));
else if (mapper == 0xDF)
Serial.println(F("DFSC"));
else if (mapper == 0xBA)
Serial.println(F("SB 128K"));
else if (mapper == 0xBB)
Serial.println(F("SB 256K"));
else
Serial.println(mapper, HEX);
#endif
@ -602,7 +626,7 @@ void println_Mapper2600(byte mapper) {
void checkStatus_2600() {
EEPROM_readAnything(7, a2600mapper);
EEPROM_readAnything(8, a2600size);
if (a2600size > 7) {
if (a2600size > 8) {
a2600size = 1; // default 4KB
EEPROM_writeAnything(8, a2600size);
}
@ -687,7 +711,9 @@ setmapper:
Serial.println(F("18 = 3E [Tigervision 32K \w RAM]"));
Serial.println(F("19 = 07 [X07 64K]"));
Serial.println(F("20 = DFSC [Penult 128K]"));
Serial.print(F("Enter Mapper [0-20]: "));
Serial.println(F("21 = SB [SuperBank Casey's Gold 128K]"));
Serial.println(F("22 = SB [SuperBank 256K]"));
Serial.print(F("Enter Mapper [0-22]: "));
while (Serial.available() == 0) {}
newmap = Serial.readStringUntil('\n');
Serial.println(newmap);