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Merge pull request #1084 from plaidpants/master

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Add support for DFSC for Penult
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sanni 2025-03-31 11:49:26 +02:00 committed by GitHub
commit 3169259624
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2 changed files with 21 additions and 4 deletions
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23
Cart_Reader/2600.ino
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@ -41,13 +41,14 @@ static const byte PROGMEM a2600mapsize[] = {
0x0A, 2, // "UA" UA Ltd 8K
0x3E, 5, // Tigervision 32K with 32K RAM
0x07, 6, // X07 64K ROM
0xDF, 7, // "DFSC" Penult 128K ROM with 32K RAM
};
byte a2600mapcount = (sizeof(a2600mapsize) / sizeof(a2600mapsize[0])) / 2;
byte a2600mapselect;
int a2600index;
byte a2600[] = { 2, 4, 8, 12, 16, 32, 64 };
byte a2600[] = { 2, 4, 8, 12, 16, 32, 64, 128 };
byte a2600mapper = 0;
byte a2600size;
@ -518,6 +519,17 @@ void readROM_2600() {
readData_2600(0x080D | (x << 4));
readSegment_2600(0x1000, 0x2000);
}
break;
case 0xDF: // DFSC 128K
for (int x = 0; x < 0x20; x++) {
readData_2600(0x1FC0 + x);
readSegment_2600(0x1000, 0x1FBF);
}
break;
default:
break;
}
myFile.close();
@ -555,6 +567,8 @@ void println_Mapper2600(byte mapper) {
println_Msg(F("TP"));
else if (mapper == 0x07)
println_Msg(F("X07"));
else if (mapper == 0xDF)
println_Msg(F("DFSC"));
else
println_Msg(mapper, HEX);
#else
@ -578,6 +592,8 @@ void println_Mapper2600(byte mapper) {
Serial.println(F("TP"));
else if (mapper == 0x07)
Serial.println(F("X07"));
else if (mapper == 0xDF)
Serial.println(F("DFSC"));
else
Serial.println(mapper, HEX);
#endif
@ -586,7 +602,7 @@ void println_Mapper2600(byte mapper) {
void checkStatus_2600() {
EEPROM_readAnything(7, a2600mapper);
EEPROM_readAnything(8, a2600size);
if (a2600size > 6) {
if (a2600size > 7) {
a2600size = 1; // default 4KB
EEPROM_writeAnything(8, a2600size);
}
@ -670,7 +686,8 @@ setmapper:
Serial.println(F("17 = UA [UA Ltd]"));
Serial.println(F("18 = 3E [Tigervision 32K \w RAM]"));
Serial.println(F("19 = 07 [X07 64K]"));
Serial.print(F("Enter Mapper [0-19]: "));
Serial.println(F("20 = DFSC [Penult 128K]"));
Serial.print(F("Enter Mapper [0-20]: "));
while (Serial.available() == 0) {}
newmap = Serial.readStringUntil('\n');
Serial.println(newmap);

2
Cart_Reader/Config.h
View File

@ -70,7 +70,7 @@
/* [ Atari 2600 --------------------------------------------------- ]
*/
//#define ENABLE_2600
#define ENABLE_2600
/****/