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set offset using let match (#863)

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Logan McNaughton 2026-05-09 20:02:18 +02:00 committed by GitHub
parent a7cbf866e8
commit 5b3b8265e5
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1 changed files with 4 additions and 5 deletions
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9
src/device/controller/gbcart.rs
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@ -37,21 +37,20 @@ pub enum CartType {
pub fn init(gb_cart: &mut device::controller::gbcart::GbCart, rom: &[u8], ram: &[u8]) {
gb_cart.rom = rom.to_vec();
let offset;
match ram.len() % 8192 {
let offset = match ram.len() % 8192 {
44 => {
offset = ram.len() - 44;
gb_cart.ram = ram[..ram.len() - 44].to_vec();
ram.len() - 44
}
48 => {
offset = ram.len() - 48;
gb_cart.ram = ram[..ram.len() - 48].to_vec();
ram.len() - 48
}
_ => {
gb_cart.ram = ram.to_vec();
return;
}
}
};
gb_cart.rtc_regs[MBC3_RTC_SECONDS] =
u32::from_le_bytes(ram[offset..offset + 4].try_into().unwrap()) as u8;