preserve-emulation/gopher64
1
0 Fork 0
mirror of https://github.com/gopher64/gopher64.git synced 2026-10-03 01:35:33 +02:00
Code Issues Packages Projects Releases Wiki Activity

fix Stadium 2 GB games (#281)

Browse Source
This commit is contained in:
Logan McNaughton authored and GitHub committed 2025-02-24 15:31:19 +01:00
1 parent 34a09925b4
commit 48ee50dea3
1 file changed
+16 -7
Download Patch File Download Diff File Expand all files Collapse all files
src/device/controller/gbcart.rs
+16 -7
View File
@@ -40,7 +40,7 @@ fn write_mbc3(
} else if address < 0x6000 {
cart.ram_bank = (value & 0xf) as u16;
} else if address < 0x8000 {
println!("MBC3 RTC latch")
// RTC not implemented
} else if (0xa000..0xc000).contains(&address) {
if !cart.ram_enabled {
return;
@@ -50,7 +50,7 @@ fn write_mbc3(
cart.ram[banked_address as usize..banked_address as usize + size]
.copy_from_slice(&pif_ram[data..data + size]);
} else {
panic!("Unsupported ram bank {:x}", cart.ram_bank);
// RTC not implemented
}
} else {
panic!("Unsupported write address {:x}", address);
@@ -80,12 +80,21 @@ fn read_mbc3(
return;
}
if cart.ram_bank < 0x8 {
let banked_address = address - 0xA000 + (cart.ram_bank * 0x2000);
pif_ram[data..data + size].copy_from_slice(
&cart.ram[banked_address as usize..banked_address as usize + size],
);
if cart.ram_bank > 3 {
for i in 0..size {
pif_ram[data + i] = 0;
}
} else {
let banked_address = address - 0xA000 + (cart.ram_bank * 0x2000);
pif_ram[data..data + size].copy_from_slice(
&cart.ram[banked_address as usize..banked_address as usize + size],
);
}
} else {
panic!("Unsupported ram bank {:x}", cart.ram_bank);
// RTC not implemented
for i in 0..size {
pif_ram[data + i] = 0;
}
}
} else {
panic!("Unsupported read address {:x}", address);