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chore: reimplement bus read/writes

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This commit is contained in:
Rekai Nyangadzayi Musuka
2022-04-08 16:48:43 -03:00
parent 37a360ec07
commit 80e714e2eb
11 changed files with 130 additions and 166 deletions
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8
src/cpu/arm/single_data_swap.zig
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@@ -17,13 +17,13 @@ pub fn singleDataSwap(comptime B: bool) InstrFn {
if (B) {
// SWPB
const value = bus.read8(address);
bus.write8(address, @truncate(u8, cpu.r[rm]));
const value = bus.read(u8, address);
bus.write(u8, address, @truncate(u8, cpu.r[rm]));
cpu.r[rd] = value;
} else {
// SWP
const value = rotr(u32, bus.read32(address), 8 * (address & 0x3));
bus.write32(address, cpu.r[rm]);
const value = rotr(u32, bus.read(u32, address), 8 * (address & 0x3));
bus.write(u32, address, cpu.r[rm]);
cpu.r[rd] = value;
}
}