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fix mirrored ram

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This commit is contained in:
Alex Janka 2023-05-25 16:30:03 +10:00
parent 7ae1afedc2
commit 5e944d0f45
2 changed files with 21 additions and 8 deletions
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17
lib/src/processor/memory.rs
View file

@ -222,7 +222,10 @@ where
Address::CartRam(address) => self.rom.get_ram(address),
Address::WorkRam(address) => self.ram.bank_0[address.get_local() as usize],
Address::BankedWorkRam(address) => self.ram.get_banked((address.get_local()) as usize),
Address::MirroredRam(address) => self.ram.bank_0[address.get_local() as usize],
Address::MirroredWorkRam(address) => self.ram.bank_0[address.get_local() as usize],
Address::MirroredBankedWorkRam(address) => {
self.ram.get_banked((address.get_local()) as usize)
}
Address::Oam(address) => self.gpu.get_oam(address),
Address::Prohibited(_) => 0xFF,
Address::Io(address) => self.get_io(address),
@ -258,7 +261,12 @@ where
Address::BankedWorkRam(address) => {
self.ram.set_banked(address.get_local() as usize, data)
}
Address::MirroredRam(address) => self.ram.bank_0[address.get_local() as usize] = data,
Address::MirroredWorkRam(address) => {
self.ram.bank_0[address.get_local() as usize] = data
}
Address::MirroredBankedWorkRam(address) => {
self.ram.set_banked(address.get_local() as usize, data)
}
Address::Oam(address) => self.gpu.set_oam(address, data),
Address::Prohibited(_) => {}
Address::Io(address) => {
@ -320,7 +328,8 @@ where
CgbIoAddress::Pcm12 => self.apu.get_pcm_1_2(),
CgbIoAddress::Pcm34 => self.apu.get_pcm_3_4(),
CgbIoAddress::Unused(v) => {
todo!("attempt to get 0x{v:0>4X}")
eprintln!("attempt to get 0x{v:0>4X}");
0xFF
}
}
} else {
@ -378,7 +387,7 @@ where
CgbIoAddress::Pcm12 => {},
CgbIoAddress::Pcm34 => {},
CgbIoAddress::Unused(v) => {
todo!("attempt to set 0x{v:0>4X} to 0x{data:0>2X}")
eprintln!("attempt to set 0x{v:0>4X} to 0x{data:0>2X}")
}
}
}

12
lib/src/processor/memory/addresses.rs
View file

@ -8,7 +8,8 @@ pub(crate) type VramAddress = BoundedAddress<0x8000, 0xA000>;
pub(crate) type CartRamAddress = BoundedAddress<0xA000, 0xC000>;
pub(crate) type WorkRamAddress = BoundedAddress<0xC000, 0xD000>;
pub(crate) type BankedWorkRamAddress = BoundedAddress<0xD000, 0xE000>;
pub(crate) type MirroredRamAddress = BoundedAddress<0xE000, 0xFE00>;
pub(crate) type MirroredWorkRamAddress = BoundedAddress<0xE000, 0xF000>;
pub(crate) type MirroredBankedWorkRamAddress = BoundedAddress<0xF000, 0xFE00>;
pub(crate) type OamAddress = BoundedAddress<0xFE00, 0xFEA0>;
pub(crate) type ProhibitedAddress = BoundedAddress<0xFEA0, 0xFF00>;
pub(crate) type HramAddress = BoundedAddress<0xFF80, 0xFFFF>;
@ -67,7 +68,8 @@ pub(crate) enum Address {
CartRam(CartRamAddress),
WorkRam(WorkRamAddress),
BankedWorkRam(BankedWorkRamAddress),
MirroredRam(MirroredRamAddress),
MirroredWorkRam(MirroredWorkRamAddress),
MirroredBankedWorkRam(MirroredBankedWorkRamAddress),
Oam(OamAddress),
Prohibited(ProhibitedAddress),
Io(IoAddress),
@ -83,7 +85,8 @@ impl From<u16> for Address {
0xA000..0xC000 => Address::CartRam(value.try_into().unwrap()),
0xC000..0xD000 => Address::WorkRam(value.try_into().unwrap()),
0xD000..0xE000 => Address::BankedWorkRam(value.try_into().unwrap()),
0xE000..0xFE00 => Address::MirroredRam(value.try_into().unwrap()),
0xE000..0xF000 => Address::MirroredWorkRam(value.try_into().unwrap()),
0xF000..0xFE00 => Address::MirroredBankedWorkRam(value.try_into().unwrap()),
0xFE00..0xFEA0 => Address::Oam(value.try_into().unwrap()),
0xFEA0..0xFF00 => Address::Prohibited(value.try_into().unwrap()),
0xFF00..0xFF80 => Address::Io(value.try_into().unwrap()),
@ -202,7 +205,8 @@ impl AddressMarker for Address {
Address::CartRam(v) => v.inner(),
Address::WorkRam(v) => v.inner(),
Address::BankedWorkRam(v) => v.inner(),
Address::MirroredRam(v) => v.inner(),
Address::MirroredWorkRam(v) => v.inner(),
Address::MirroredBankedWorkRam(v) => v.inner(),
Address::Oam(v) => v.inner(),
Address::Prohibited(v) => v.inner(),
Address::Io(v) => v.inner(),