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Mapper 137: Correct mirroring for The Great Wall.

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This commit is contained in:
NewRisingSun
2026-03-31 23:06:05 +02:00
parent bf2a9ad3d5
commit bcd85e6cf3
1 changed files with 12 additions and 12 deletions
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24
src/boards/sachen.c
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@@ -27,15 +27,6 @@ static uint8 cmd, dip;
static uint8 latch[8];
static uint8 mapperNum;
static void S74LS374MSync(uint8 mirr) {
switch (mirr & 3) {
case 0: setmirror(MI_V); break;
case 1: setmirror(MI_H); break;
case 2: setmirrorw(0, 1, 1, 1); break;
case 3: setmirror(MI_0); break;
}
}
static int type;
static void S8259Synco(void) {
int x;
@@ -65,10 +56,15 @@ static void S8259Synco(void) {
}
}
}
if (!(latch[7] & 1))
S74LS374MSync(latch[7] >> 1);
else
if (latch[7] &1)
setmirror(MI_V);
else
switch(latch[7] >>1 &3) {
case 0: setmirror(mapperNum == 137? MI_H: MI_V); break;
case 1: setmirror(mapperNum == 137? MI_V: MI_H); break;
case 2: setmirrorw(0, 1, 1, 1); break;
case 3: setmirror(MI_0); break;
}
}
static DECLFW(S8259Write) {
@@ -98,6 +94,7 @@ static void S8259Restore(int version) {
}
void S8259A_Init(CartInfo *info) { /* Kevin's Horton 141 mapper */
mapperNum = info->mapper;
info->Power = S8259Reset;
GameStateRestore = S8259Restore;
AddExState(latch, 8, 0, "LATC");
@@ -106,6 +103,7 @@ void S8259A_Init(CartInfo *info) { /* Kevin's Horton 141 mapper */
}
void S8259B_Init(CartInfo *info) { /* Kevin's Horton 138 mapper */
mapperNum = info->mapper;
info->Power = S8259Reset;
GameStateRestore = S8259Restore;
AddExState(latch, 8, 0, "LATC");
@@ -114,6 +112,7 @@ void S8259B_Init(CartInfo *info) { /* Kevin's Horton 138 mapper */
}
void S8259C_Init(CartInfo *info) { /* Kevin's Horton 139 mapper */
mapperNum = info->mapper;
info->Power = S8259Reset;
GameStateRestore = S8259Restore;
AddExState(latch, 8, 0, "LATC");
@@ -122,6 +121,7 @@ void S8259C_Init(CartInfo *info) { /* Kevin's Horton 139 mapper */
}
void S8259D_Init(CartInfo *info) { /* Kevin's Horton 137 mapper */
mapperNum = info->mapper;
info->Power = S8259Reset;
GameStateRestore = S8259Restore;
AddExState(latch, 8, 0, "LATC");