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

Add mapper 446 using mapper emulation cores that can be included in other multi-ASIC mappers.

Browse Source
This commit is contained in:
NewRisingSun
2025-09-01 01:13:46 +02:00
parent 3544ff567e
commit a2fdeee096
57 changed files with 3063 additions and 441 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
src/boards/21_22_23_25.c
View File

@@ -19,7 +19,8 @@
*/
#include "mapinc.h"
#include "vrc2and4.h"
#include "asic_vrc2and4.h"
#include "wram.h"
static void sync () {
VRC24_syncWRAM(0);
@@ -31,41 +32,38 @@ static void sync () {
void Mapper21_Init (CartInfo *info) {
switch(info->submapper) {
case 1: VRC24_init(info, sync, 0x02, 0x04, 1, 1, 8); break;
case 2: VRC24_init(info, sync, 0x40, 0x80, 1, 1, 8); break;
default: VRC24_init(info, sync, 0x42, 0x84, 1, 1, 8); break;
case 1: VRC4_init(info, sync, 0x02, 0x04, 1, NULL, NULL, NULL, NULL, NULL); break;
case 2: VRC4_init(info, sync, 0x40, 0x80, 1, NULL, NULL, NULL, NULL, NULL); break;
default: VRC4_init(info, sync, 0x42, 0x84, 1, NULL, NULL, NULL, NULL, NULL); break;
}
WRAM_init(info, 8);
}
int Mapper22_getCHRBank(int bank) {
return VRC24_chr[bank &7] >>1;
static int Mapper22_getCHRBank(uint8 bank) {
return VRC24_getCHRBank(bank &7) >>1;
}
void Mapper22_Init (CartInfo *info) {
VRC24_init(info, sync, 0x02, 0x01, 0, 0, 8);
VRC24_GetCHRBank =Mapper22_getCHRBank;
}
DECLFR(Mapper23_readProtection) {
return VRC2_pins;
VRC2_init(info, sync, 0x02, 0x01, NULL, Mapper22_getCHRBank, NULL, NULL);
WRAM_init(info, 8);
}
void Mapper23_Init (CartInfo *info) {
switch(info->submapper) {
case 1: VRC24_init(info, sync, 0x01, 0x02, 1, 1, 8); break;
case 2: VRC24_init(info, sync, 0x04, 0x08, 1, 1, 8); break;
case 3: VRC24_init(info, sync, 0x01, 0x02, 0, 0, 8);
VRC24_WRAMRead =Mapper23_readProtection;
break;
default: VRC24_init(info, sync, 0x05, 0x0A, 1, 1, 8); break;
case 1: VRC4_init(info, sync, 0x01, 0x02, 1, NULL, NULL, NULL, NULL, NULL); break;
case 2: VRC4_init(info, sync, 0x04, 0x08, 1, NULL, NULL, NULL, NULL, NULL); break;
case 3: VRC2_init(info, sync, 0x01, 0x02, NULL, NULL, NULL, NULL); break;
default: VRC4_init(info, sync, 0x05, 0x0A, 1, NULL, NULL, NULL, NULL, NULL); break;
}
WRAM_init(info, 8);
}
void Mapper25_Init (CartInfo *info) {
switch(info->submapper) {
case 1: VRC24_init(info, sync, 0x02, 0x01, 1, 1, 8); break;
case 2: VRC24_init(info, sync, 0x08, 0x04, 1, 1, 8); break;
case 3: VRC24_init(info, sync, 0x02, 0x01, 0, 0, 8); break;
default: VRC24_init(info, sync, 0x0A, 0x05, 1, 1, 8); break;
case 1: VRC4_init(info, sync, 0x02, 0x01, 1, NULL, NULL, NULL, NULL, NULL); break;
case 2: VRC4_init(info, sync, 0x08, 0x04, 1, NULL, NULL, NULL, NULL, NULL); break;
case 3: VRC2_init(info, sync, 0x02, 0x01, NULL, NULL, NULL, NULL); break;
default: VRC4_init(info, sync, 0x0A, 0x05, 1, NULL, NULL, NULL, NULL, NULL); break;
}
WRAM_init(info, 8);
}