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Update NES.ino

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Fixed Mapper 59.  Updated the index to the code sections.
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sakman55 2024-11-23 12:15:23 -10:00 committed by GitHub
parent 6361ff0b58
commit 68ab9b6f2b
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GPG Key ID: B5690EEEBB952194
1 changed files with 31 additions and 19 deletions
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50
Cart_Reader/NES.ino
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@ -8,21 +8,19 @@
#ifdef ENABLE_NES
//Line Content
//28 Supported Mappers
//106 Defines
//136 Variables
//197 Menus
//383 Setup
//412 No-Intro SD Database Functions
//1125 Low Level Functions
//1372 CRC Functions
//1426 File Functions
//1527 NES 2.0 Header Functions
//1957 Config Functions
//2760 ROM Functions
//3951 RAM Functions
//4384 Eeprom Functions
//4574 NESmaker Flash Cart Functions
//37 Supported Mappers
//185 Defines
//211 Variables
//242 Menus
//456 Setup
//486 No-Intro SD Database Functions
//803 Low Level Functions
//1012 File Functions
//1083 Config Functions
//1701 ROM Functions
//3666 RAM Functions
//4066 Eeprom Functions
//4254 NESmaker Flash Cart Functions
struct mapper_NES {
uint16_t mapper;
@ -995,6 +993,20 @@ static void write_wram_byte(unsigned int address, uint8_t data) { // Mapper 5 (
PHI2_HI;
}
// Pirate Mapper 59
static void write_reg_m59(unsigned int address) {
ROMSEL_HI;
MODE_WRITE;
PRG_WRITE;
set_address(address);
set_romsel(address);
_delay_us(1); // WRITING
ROMSEL_HI;
PRG_READ;
MODE_READ;
set_address(0);
}
/******************************************
File Functions
*****************************************/
@ -2169,9 +2181,9 @@ void readPRG(bool readrom) {
case 59:
banks = int_pow(2, prgsize);
for (size_t i = 0; i < banks; i++) {
write_prg_byte((0x8000 + (i & 0x07)) << 4 | 0x80, 0);
dumpBankPRG(0x0, 0x4000, base);
for (size_t i = 0; i < banks; i += 2) {
write_reg_m59(0x8000 + ((i & 0x07) << 4));
dumpBankPRG(0x0, 0x8000, base);
}
break;
@ -3201,7 +3213,7 @@ void readCHR(bool readrom) {
case 59:
banks = int_pow(2, chrsize) / 2;
for (size_t i = 0; i < banks; i++) {
write_prg_byte(0x8000 + (i & 0x07), 0);
write_reg_m59(0x8000 + (i & 0x07));
dumpBankCHR(0x0, 0x2000);
}
break;