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m313: Fix incorrect bank sizes

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This commit is contained in:
negativeExponent
2020-01-30 19:51:45 +08:00
parent c08697a024
commit e82b34bae9
1 changed files with 15 additions and 13 deletions
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28
src/boards/resettxrom.c
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@@ -32,31 +32,33 @@ static uint8 submapper;
static void M313CW(uint32 A, uint8 V) { static void M313CW(uint32 A, uint8 V) {
/*FCEU_printf("CHR: A:%04x V:%02x 0:%02x\n", A, V, EXPREGS[0]);*/ /*FCEU_printf("CHR: A:%04x V:%02x 0:%02x\n", A, V, EXPREGS[0]);*/
uint32_t bank;
switch (submapper) { switch (submapper) {
case 0: V = (EXPREGS[0] << 7) | (V & 0x7F); break; default: bank = (EXPREGS[0] << 7) | (V & 0x7F); break;
case 1: V = (EXPREGS[0] << 7) | (V & 0x7F); break; case 1: bank = (EXPREGS[0] << 7) | (V & 0x7F); break;
case 2: V = (EXPREGS[0] << 8) | (V & 0xFF); break; case 2: bank = (EXPREGS[0] << 8) | (V & 0xFF); break;
case 3: V = (EXPREGS[0] << 8) | (V & 0xFF); break; case 3: bank = (EXPREGS[0] << 8) | (V & 0xFF); break;
case 4: V = (EXPREGS[0] << 7) | (V & 0x7F); break; case 4: bank = (EXPREGS[0] << 7) | (V & 0x7F); break;
} }
setchr1(A, V); setchr1(A, bank);
} }
static void M313PW(uint32 A, uint8 V) { static void M313PW(uint32 A, uint8 V) {
/*FCEU_printf("PRG: A:%04x V:%02x 0:%02x\n", A, V, EXPREGS[0]);*/ /*FCEU_printf("PRG: A:%04x V:%02x 0:%02x\n", A, V, EXPREGS[0]);*/
uint32_t bank;
switch (submapper) { switch (submapper) {
case 0: V = (EXPREGS[0] << 4) | (V & 0x0F); break; default: bank = (EXPREGS[0] << 4) | (V & 0x0F); break;
case 1: V = (EXPREGS[0] << 5) | (V & 0x1F); break; case 1: bank = (EXPREGS[0] << 5) | (V & 0x1F); break;
case 2: V = (EXPREGS[0] << 4) | (V & 0x0F); break; case 2: bank = (EXPREGS[0] << 4) | (V & 0x0F); break;
case 3: V = (EXPREGS[0] << 5) | (V & 0x1F); break; case 3: bank = (EXPREGS[0] << 5) | (V & 0x1F); break;
case 4: case 4:
if (EXPREGS[0] == 0) if (EXPREGS[0] == 0)
V = (EXPREGS[0] << 5) | (V & 0x1F); bank = (EXPREGS[0] << 5) | (V & 0x1F);
else else
V = (EXPREGS[0] << 4) | (V & 0x0F); bank = (EXPREGS[0] << 4) | (V & 0x0F);
break; break;
} }
setprg8(A, V); setprg8(A, bank);
} }
static void M313Reset(void) { static void M313Reset(void) {