admin/ci-libretro-fceumm
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Add BMC-JC-016-2

Browse Source
This commit is contained in:
retro-wertz
2019-06-24 06:26:44 +08:00
parent e89bcbfb0d
commit 503dd5249b
2 changed files with 17 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/boards/mmc3.c
View File

@@ -1169,20 +1169,29 @@ void Mapper198_Init(CartInfo *info) {
} }
/* ---------------------------- Mapper 205 ------------------------------ */ /* ---------------------------- Mapper 205 ------------------------------ */
/* https://wiki.nesdev.com/w/index.php/INES_Mapper_205 */ /* UNIF boardname BMC-JC-016-2
https://wiki.nesdev.com/w/index.php/INES_Mapper_205 */
static uint8 block[] = {0, 0, 1, 2};
static void M205PW(uint32 A, uint8 V) { static void M205PW(uint32 A, uint8 V) {
setprg8(A, EXPREGS[0] & 0x30 | (V & (!(EXPREGS[0] & 0xC0) ? 0x1F : 0x0F))); uint8 bank = V & ((EXPREGS[0] & 0x02) ? 0x0F : 0x1F);
if (PRGptr[1])
setprg8r(block[EXPREGS[0]], A, bank);
else
setprg8(A, EXPREGS[0] << 4 | bank);
} }
static void M205CW(uint32 A, uint8 V) { static void M205CW(uint32 A, uint8 V) {
uint16 reg = (uint16)EXPREGS[0] & 0x30; uint8 bank = V & ((EXPREGS[0] & 0x02) ? 0x7F : 0xFF);
setchr1(A, (reg << 3) | V); if (PRGptr[1])
setchr1r(block[EXPREGS[0]], A, bank);
else
setchr1(A, (EXPREGS[0] << 7) | bank);
} }
static DECLFW(M205Write0) { static DECLFW(M205Write0) {
if (EXPREGS[1] == 0) { if (EXPREGS[1] == 0) {
EXPREGS[0] = (V << 4) & 0x30; EXPREGS[0] = V & 0x03;
EXPREGS[1] = A & 0x80; EXPREGS[1] = A & 0x80;
FixMMC3PRG(MMC3_cmd); FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd); FixMMC3CHR(MMC3_cmd);
@@ -1212,7 +1221,7 @@ static void M205Power(void) {
} }
void Mapper205_Init(CartInfo *info) { void Mapper205_Init(CartInfo *info) {
GenMMC3_Init(info, 128, 128, 8, 0); GenMMC3_Init(info, 256, 128, 8, 0);
pwrap = M205PW; pwrap = M205PW;
cwrap = M205CW; cwrap = M205CW;
info->Power = M205Power; info->Power = M205Power;

2
src/unif.c
View File

@@ -493,6 +493,8 @@ static BMAPPING bmap[] = {
{ "KS106C", BMCKS106C_Init, 0 }, { "KS106C", BMCKS106C_Init, 0 },
{ "900218", BTL900218_Init, 0 }, { "900218", BTL900218_Init, 0 },
{ "JC-016-2", Mapper205_Init, 0 },
#ifdef COPYFAMI #ifdef COPYFAMI
{ "COPYFAMI_MMC3", MapperCopyFamiMMC3_Init, 0 }, { "COPYFAMI_MMC3", MapperCopyFamiMMC3_Init, 0 },
{ "COPYFAMI", MapperCopyFami_Init, 0 }, { "COPYFAMI", MapperCopyFami_Init, 0 },