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

Added mapper 488.

Browse Source
This commit is contained in:
NewRisingSun
2025-04-25 21:32:48 +02:00
committed by LibretroAdmin
parent 32173736f0
commit 6b2191e8b6
3 changed files with 33 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
src/boards/addrlatch.c
View File

@@ -846,3 +846,34 @@ static void M464Sync(void) {
void Mapper464_Init(CartInfo *info) {
Latch_Init(info, M464Sync, NULL, 0x0000, 0x8000, 0xFFFF, 1);
}
/*------------------ Map 488 ---------------------------*/
static void M488Sync(void) {
setchr8(latche);
if (latche &4)
setprg32(0x8000, latche);
else {
setprg16(0x8000, latche <<1 | latche >>4 &1);
setprg16(0xC000, latche <<1 | latche >>4 &1);
}
}
static DECLFR(M488Read) {
if (latche & 0x100)
A =A &~0x0F | dipswitch &0xF;
return CartBR(A);
}
static void M488Reset(void) {
dipswitch++;
latche =0;
M488Sync();
}
void Mapper488_Init(CartInfo *info) {
dipswitch = 0;
Latch_Init(info, M488Sync, M488Read, 0x0000, 0x8000, 0xFFFF, 0);
info->Reset = M488Reset;
AddExState(&dipswitch, 1, 0, "DIPSW");
}