Skip to content

Commit

Permalink
Update NES.ino
Browse files Browse the repository at this point in the history 
Updated Mapper 45 to handle Dynavision 101 Games and 106 Games carts (4096K PRG).  Added Mappers 237, 289, 319, and 332.  Mappers 289 and 332 need pulsing M2 code to dump properly.
  • Loading branch information
@sakman55
sakman55 authored Jan 21, 2025
1 parent 14163db commit 9d02ed2
Showing 1 changed file with 120 additions and 20 deletions.
140 changes: 120 additions & 20 deletions Cart_Reader/NES.ino
View file
Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,7 @@ static const struct mapper_NES PROGMEM mapsize[] = {
{ 42, 0, 3, 0, 5, 0, 0 }, // AC08/LH09 (FDS games hacked to cartridges)
{ 43, 2, 2, 0, 0, 0, 0 }, // TONY-I / YS-612 [88KiB]
// { 44, 5, 6, 7, 8, 0, 0 }, Super HiK 7-in-1 (MMC3) [TODO]
{ 45, 3, 6, 0, 8, 0, 0 }, // TC3294/GA23C
{ 45, 3, 8, 0, 8, 0, 0 }, // TC3294/GA23C
{ 46, 1, 6, 0, 8, 0, 0 }, // GameStation/RumbleStation
{ 47, 4, 5, 6, 7, 0, 0 }, // Nintendo NES-QJ (2-in-1)
{ 48, 3, 4, 6, 6, 0, 0 }, // Taito TC0690/TC0190+PAL16R4
Expand Down Expand Up @@ -214,6 +214,7 @@ static const struct mapper_NES PROGMEM mapsize[] = {
{ 233, 6, 6, 0, 0, 0, 0 }, // BMC 22-IN-1/20-IN-1 (42-IN-1) [UNLICENSED]
{ 235, 6, 8, 0, 0, 0, 0 }, // "Golden Game" multicarts [UNLICENSED]
{ 236, 0, 6, 0, 5, 0, 0 }, // Realtec 8031, 8099, 8106, 8155 [UNLICENSED]
{ 237, 6, 6, 0, 0, 0, 0 }, // teletubbies 420-in-1/42-in-1 Y2K [UNLICENSED]
{ 240, 1, 5, 1, 5, 0, 3 }, // C&E Bootleg Board (Sheng Huo Lie Zhuan, Jing Ke Xin Zhuan) [UNLICENSED]
{ 241, 3, 5, 0, 0, 0, 0 }, // BxROM with WRAM [UNLICENSED]
{ 242, 5, 5, 0, 0, 0, 0 }, // ET-113 [UNLICENSED]
Expand All @@ -223,8 +224,11 @@ static const struct mapper_NES PROGMEM mapsize[] = {
{ 255, 4, 7, 5, 8, 0, 0 }, // 110-in-1 multicart (same as 225) [UNLICENSED]
// 264 - Yoko [TODO]
{ 268, 0, 11, 0, 8, 0, 0 }, // 268.0 MindKids/CoolGirl [UNLICENSED]
{ 289, 5, 7, 0, 0, 0, 0 }, // bmc-60311c 17-in-1/76-in-1 [UNLICENSED]
{ 315, 0, 5, 0, 7, 0, 0 }, // BMC-830134C [UNLICENSED]
{ 319, 3, 3, 4, 4, 0, 0 }, // hp-898f [UNLICENSED]
{ 329, 1, 7, 0, 0, 0, 3 }, // UNL-EDU2000, same as 177 [UNLICENSED]
{ 332, 4, 4, 5, 5, 0, 0 }, // bmc-ws [UNLICENSED]
{ 366, 0, 6, 0, 8, 0, 0 }, // GN-45 [UNLICENSED]
{ 446, 0, 8, 0, 0, 0, 0 }, // Mindkids SMD172B_FGPA submapper 0 & 1 [UNLICENSED]
{ 470, 0, 11, 0, 0, 0, 0 }, // INX_007T_V01 [UNLICENSED]
Expand Down Expand Up @@ -1064,7 +1068,7 @@ static void write_reg_m59(unsigned int address) {
set_address(0);
}

// Multicart Mapper 226
// Multicart Mappers 226/289/332
static void write_prg_pulsem2(unsigned int address, uint8_t data) {
PHI2_LOW;
ROMSEL_HI;
Expand Down Expand Up @@ -1121,6 +1125,35 @@ void dumpPRG_pulsem2(word base, word address) {
myFile.write(sdBuffer, 512);
}

// Multicart Mapper 332
static unsigned char read_chr_pulsem2(unsigned int address) {
PHI2_LOW;
MODE_READ;
PHI2_HI;
ROMSEL_HI;
PHI2_LOW;
set_address(address);
PHI2_HI;
CHR_READ_LOW;
PHI2_LOW;
for (unsigned int i = 0; i < 8; i++) {
PHI2_LOW;
PHI2_HI;
}
uint8_t result = PINK;
PHI2_LOW;
CHR_READ_HI;
PHI2_HI;
return result;
}

void dumpCHR_pulsem2(word address) {
for (int x = 0; x < 512; x++) {
sdBuffer[x] = read_chr_pulsem2(address + x);
}
myFile.write(sdBuffer, 512);
}

/******************************************
File Functions
*****************************************/
Expand Down Expand Up @@ -2293,26 +2326,37 @@ void readPRG(bool readrom) {
case 45: // MMC3 Clone with Outer Registers
banks = ((int_pow(2, prgsize) * 2)) - 2; // Set Number of Banks
for (size_t i = 0; i < banks; i += 2) { // 128K/256K/512K/1024K
for (word address = 0x0; address < 0x2000; address += 512) {
// set outer bank registers
write_prg_byte(0x6000, 0x00); // CHR-OR
write_prg_byte(0x6000, (i & 0xC0)); // PRG-OR
write_prg_byte(0x6000, ((i >> 2) & 0xC0)); // CHR-AND,CHR-OR/PRG-OR
write_prg_byte(0x6000, 0x80); // PRG-AND
// set inner bank registers
write_prg_byte(0x8000, 6); // PRG Bank 0 ($8000-$9FFF)
write_prg_byte(0x8001, i);
dumpPRG(base, address);
}
for (word address = 0x2000; address < 0x4000; address += 512) {
// set outer bank registers
write_prg_byte(0x6000, 0x00); // CHR-OR
write_prg_byte(0x6000, ((i + 1) & 0xC0)); // PRG-OR
write_prg_byte(0x6000, (((i + 1) >> 2) & 0xC0)); // CHR-AND,CHR-OR/PRG-OR
write_prg_byte(0x6000, 0x80); // PRG-AND
// set inner bank registers
write_prg_byte(0x8000, 7); // PRG Bank 1 ($A000-$BFFF)
write_prg_byte(0x8001, i + 1);
dumpPRG(base, address);
}
}
for (word address = 0x4000; address < 0x8000; address += 512) { // Final 2 Banks ($C000-$FFFF)
// set outer bank registers
write_prg_byte(0x6000, 0); // CHR-OR
write_prg_byte(0x6000, (i & 0xC0)); // PRG-OR
write_prg_byte(0x6000, ((i >> 2) & 0xC0)); // CHR-AND,CHR-OR/PRG-OR
write_prg_byte(0x6000, 0x80); // PRG-AND
// set inner bank registers
write_prg_byte(0x8000, 6); // PRG Bank 0 ($8000-$9FFF)
write_prg_byte(0x8001, i);
dumpBankPRG(0x0, 0x2000, base);
// set outer bank registers
write_prg_byte(0x6000, 0); // CHR-OR
write_prg_byte(0x6000, ((i + 1) & 0xC0)); // PRG-OR
write_prg_byte(0x6000, (((i + 1) >> 2) & 0xC0)); // CHR-AND,CHR-OR/PRG-OR
write_prg_byte(0x6000, 0x80); // PRG-AND
// set inner bank registers
write_prg_byte(0x8000, 7); // PRG Bank 1 ($A000-$BFFF)
write_prg_byte(0x8001, i + 1);
dumpBankPRG(0x2000, 0x4000, base);
write_prg_byte(0x6000, 0x00); // CHR-OR
write_prg_byte(0x6000, 0xC0); // PRG-OR
write_prg_byte(0x6000, 0xC0); // CHR-AND,CHR-OR/PRG-OR
write_prg_byte(0x6000, 0x80); // PRG-AND
dumpPRG(base, address);
}
dumpBankPRG(0x4000, 0x8000, base); // Final 2 Banks ($C000-$FFFF)
break;

case 46:
Expand Down Expand Up @@ -2902,6 +2946,14 @@ void readPRG(bool readrom) {
}
break;

case 237: // 1024K
banks = int_pow(2, prgsize) / 2;
for (int i = 0; i < banks; i++) {
write_prg_pulsem2(0x8000, i | 0xC0); // 32K NROM Mode
dumpBankPRG(0x0, 0x8000, base);
}
break;

case 240:
banks = int_pow(2, prgsize) / 2;
for (size_t i = 0; i < banks; i++) {
Expand Down Expand Up @@ -2932,6 +2984,35 @@ void readPRG(bool readrom) {
}
break;

case 289: // 512K/1024K/2048K
banks = int_pow(2, prgsize);
for (int i = 0; i < banks; i++) {
for (word address = 0; address < 0x4000; address += 512) { // 16K
write_prg_pulsem2(0x6000, 0); // NROM-128 Mode
write_prg_pulsem2(0x6001, i); // Set Bank
dumpPRG_pulsem2(base, address);
}
}
break;

case 319: // 128K
banks = int_pow(2, prgsize) / 2;
for (int i = 0; i < banks; i++) {
write_prg_byte(0x6004, (i << 3) | 0x40); // prg a14 = cpu a14 (NROM-256)
dumpBankPRG(0x0, 0x8000, base);
}
break;

case 332: // 256K
banks = int_pow(2, prgsize);
for (int i = 0; i < banks; i++) {
for (word address = 0x0; address < 0x4000; address += 512) {
write_prg_pulsem2(0x6000, 0x08 | (i & 0x07) | ((i & 0x08) << 3));
dumpPRG_pulsem2(base, address);
}
}
break;

case 446:
banks = int_pow(2, prgsize) * 2;
write_prg_byte(0x5003, 0);
Expand Down Expand Up @@ -3824,6 +3905,25 @@ void readCHR(bool readrom) {
dumpBankCHR(0x1000, 0x1400);
}
break;

case 319: // 64K
banks = int_pow(2, chrsize) / 2;
for (int i = 0; i < banks; i++) {
write_prg_byte(0x6000, i << 4);
dumpBankCHR(0x0, 0x2000);
}
break;

case 332: // 128K
banks = int_pow(2, chrsize) / 2;
for (int i = 0; i < banks; i++) {
for (word address = 0x0; address < 0x2000; address += 512) {
write_prg_pulsem2(0x6000, (i & 0x08) << 3);
write_prg_pulsem2(0x6001, 0x30 | (i & 0x07));
dumpCHR_pulsem2(address);
}
}
break;
}
if (!readrom) {
myFile.flush();
Expand Down

0 comments on commit 9d02ed2

Please sign in to comment.