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Added mapper 367, cleaned up mapper 205.

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NewRisingSun
2025-04-05 20:21:25 +02:00
committed by LibretroAdmin
parent 9bb3cae0bb
commit a65c3b26fc
3 changed files with 36 additions and 27 deletions
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61
src/boards/mmc3.c
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@@ -21,7 +21,7 @@
*/
/* Code for emulating iNES mappers 4,12,44,45,47,49,52,74,114,115,116,118,
119,165,205,245,249,250,254,555
119,165,205,245,249,250,254,361,366,367,555
*/
#include "mapinc.h"
@@ -1220,57 +1220,64 @@ void Mapper198_Init(CartInfo *info) {
info->Power = M198Power;
}
/* ---------------------------- Mapper 205 ------------------------------ */
/* ---------------------------- Mapper 205,367 ------------------------------ */
/* UNIF boardname BMC-JC-016-2
https://wiki.nesdev.com/w/index.php/INES_Mapper_205 */
static void M205PW(uint32 A, uint8 V) {
static void M205_367PW(uint32 A, uint8 V) {
uint8 bank = V & ((EXPREGS[0] & 0x02) ? 0x0F : 0x1F);
setprg8(A, EXPREGS[0] << 4 | bank);
}
static void M205CW(uint32 A, uint8 V) {
static void M205_367CW(uint32 A, uint8 V) {
uint8 bank = V & ((EXPREGS[0] & 0x02) ? 0x7F : 0xFF);
setchr1(A, (EXPREGS[0] << 7) | bank);
}
static DECLFW(M205Write0) {
if (EXPREGS[1] == 0) {
EXPREGS[0] = V & 0x03;
EXPREGS[1] = A & 0x80;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
} else
CartBW(A, V);
static DECLFW(M205Write) {
EXPREGS[0] = V;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
static DECLFW(M205Write1) {
if (EXPREGS[1] == 0) {
EXPREGS[0] = V & 0xF0;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
} else
CartBW(A, V);
static DECLFW(M367Write) {
EXPREGS[0] = A &0xFF;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
static void M205Reset(void) {
EXPREGS[0] = EXPREGS[1] = 0;
static void M205_367Reset(void) {
EXPREGS[0] = 0;
MMC3RegReset();
}
static void M205Power(void) {
EXPREGS[0] = EXPREGS[1] = 0;
EXPREGS[0] = 0;
GenMMC3Power();
SetWriteHandler(0x6000, 0x6fff, M205Write0);
SetWriteHandler(0x7000, 0x7fff, M205Write1); /* OK-411 boards, the same logic, but data latched, 2-in-1 frankenstein */
SetWriteHandler(0x6000, 0x7fff, M205Write);
}
static void M367Power(void) {
EXPREGS[0] = 0;
GenMMC3Power();
SetWriteHandler(0x6000, 0x7fff, M367Write);
}
void Mapper205_Init(CartInfo *info) {
GenMMC3_Init(info, 256, 128, 8, 0);
pwrap = M205PW;
cwrap = M205CW;
pwrap = M205_367PW;
cwrap = M205_367CW;
info->Power = M205Power;
info->Reset = M205Reset;
info->Reset = M205_367Reset;
AddExState(EXPREGS, 1, 0, "EXPR");
}
void Mapper367_Init(CartInfo *info) {
GenMMC3_Init(info, 256, 128, 8, 0);
pwrap = M205_367PW;
cwrap = M205_367CW;
info->Power = M367Power;
info->Reset = M205_367Reset;
AddExState(EXPREGS, 1, 0, "EXPR");
}

1
src/ines.c
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@@ -774,6 +774,7 @@ INES_BOARD_BEGIN()
INES_BOARD( "830506C", 362, Mapper362_Init )
INES_BOARD( "JY830832C", 364, Mapper364_Init )
INES_BOARD( "GN-45", 366, GN45_Init )
INES_BOARD( "JC-016-2 variant", 367, Mapper367_Init )
INES_BOARD( "Yung-08", 368, Mapper368_Init )
INES_BOARD( "N49C-300", 369, Mapper369_Init )
INES_BOARD( "Golden Mario Party II - Around the World 6-in-1", 370, Mapper370_Init )

1
src/ines.h
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@@ -286,6 +286,7 @@ void Mapper359_Init(CartInfo *);
void Mapper360_Init(CartInfo *);
void Mapper362_Init(CartInfo *);
void Mapper364_Init(CartInfo *);
void Mapper367_Init(CartInfo *);
void Mapper368_Init(CartInfo *);
void Mapper369_Init(CartInfo *);
void Mapper370_Init(CartInfo *);