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chore: squash bugs preventing swi_demo.gba from working

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This commit is contained in:
Rekai Nyangadzayi Musuka
2022-02-13 00:34:47 -04:00
parent 8ab7a178c1
commit d2740e30d9
3 changed files with 4 additions and 4 deletions
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4
src/cpu/thumb/processing_branch.zig
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@@ -18,12 +18,12 @@ pub fn format5(comptime op: u2, comptime h1: u1, comptime h2: u1) InstrFn {
0b00 => {
// ADD
const sum = add(false, cpu, dst, src);
cpu.r[dst_idx] = if (dst_idx == 0xF) sum & 0xFFFF_FFFC else sum;
cpu.r[dst_idx] = if (dst_idx == 0xF) sum & 0xFFFF_FFFE else sum;
},
0b01 => cmp(cpu, dst, src), // CMP
0b10 => {
// MOV
cpu.r[dst_idx] = if (dst_idx == 0xF) src & 0xFFFF_FFFC else src;
cpu.r[dst_idx] = if (dst_idx == 0xF) src & 0xFFFF_FFFE else src;
},
0b11 => {
// BX