ShuriZma
/
mgba
mirror of https://github.com/mgba-emu/mgba.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

GB MBC: Support 4MB MBC30 ROMs (fixes #1713)

This commit is contained in:
Vicki Pfau 2020-05-13 20:11:10 -07:00
parent a405ec42b4
commit dbef26759c
2 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
CHANGES
View File

@ -6,6 +6,7 @@ Emulation fixes:
- ARM: Fix ALU reading PC after shifting
- ARM: Fix STR storing PC after address calculation
- GB: Fix GBC game registers after skipping BIOS
- GB MBC: Support 4MB MBC30 ROMs (fixes mgba.io/i/1713)
- GB Video: Fix state after skipping BIOS (fixes mgba.io/i/1715 and mgba.io/i/1716)
- GB Video: Fix BGPS value after skipping BIOS (fixes mgba.io/i/1717)
- GBA: Add missing RTC overrides for Legendz games

5
src/gb/mbc.c
View File

@ -518,7 +518,7 @@ static uint8_t _GBMBC2Read(struct GBMemory* memory, uint16_t address) {
void _GBMBC3(struct GB* gb, uint16_t address, uint8_t value) {
struct GBMemory* memory = &gb->memory;
int bank = value & 0x7F;
int bank = value;
switch (address >> 13) {
case 0x0:
switch (value) {
@ -536,6 +536,9 @@ void _GBMBC3(struct GB* gb, uint16_t address, uint8_t value) {
}
break;
case 0x1:
if (gb->memory.romSize < GB_SIZE_CART_BANK0 * 0x80) {
bank &= 0x7F;
}
if (!bank) {
++bank;
}