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

Merge pull request #563 from ClusterM/master

Browse Source 
More mapper 342 fixes
This commit is contained in:
LibretroAdmin
2023-05-10 03:44:32 +02:00
committed by GitHub
parent b8131ea0aa 22e5a21bd6
commit 154ee559c0
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/boards/coolgirl.c
View File

@@ -889,7 +889,7 @@ static DECLFW(COOLGIRL_WRITE) {
if (mapper == 0x04)
{
/* prg_bank_a[5:1] = cpu_data_in[4:0]; */
SET_BITS(chr_bank_a, "5:1", V, "4:0");
SET_BITS(prg_bank_a, "5:1", V, "4:0");
/* mirroring = { 1'b0, ~cpu_data_in[7]}; */
mirroring = get_bits(V, "7") ^ 1;
}
@@ -1463,6 +1463,7 @@ static DECLFW(COOLGIRL_WRITE) {
case 0x0C: /* 4'b1100: if (flags[0]) mirroring = {1'b0, cpu_data_in[6]}; // $E000, mirroring, for mapper #48 */
if (flags & 1) /* 48 */
mirroring = get_bits(V, "6"); /* mirroring = cpu_data_in[6]; */
break;
case 0x08: /* 4'b1000: irq_scanline_latch = ~cpu_data_in; // $C000, IRQ latch */
mmc3_irq_latch = set_bits(mmc3_irq_latch, "7:0", get_bits(V, "7:0") ^ 0xFF);
break;