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chore: progress towards passing ldr/str thumb in armwrestler

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This commit is contained in:
Rekai Nyangadzayi Musuka
2022-02-02 21:14:46 -04:00
parent 8b574efe85
commit 99492a6782
4 changed files with 69 additions and 4 deletions
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7
src/cpu.zig
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@@ -28,6 +28,7 @@ const format3 = @import("cpu/thumb/format3.zig").format3;
const format4 = @import("cpu/thumb/format4.zig").format4;
const format5 = @import("cpu/thumb/format5.zig").format5;
const format6 = @import("cpu/thumb/format6.zig").format6;
const format78 = @import("cpu/thumb/format78.zig").format78;
const format9 = @import("cpu/thumb/format9.zig").format9;
const format10 = @import("cpu/thumb/format10.zig").format10;
const format12 = @import("cpu/thumb/format12.zig").format12;
@@ -450,8 +451,10 @@ fn thumbPopulate() [0x400]ThumbInstrFn {
lut[i] = format6(rd);
} else if (i >> 6 & 0xF == 0b0101) {
// TODO: Format 7 and Format 8
lut[i] = thumbUndefined;
const op = i >> 5 & 0x3;
const T = i >> 3 & 1 == 1;
lut[i] = format78(op, T);
} else if (i >> 7 & 0x7 == 0b000) {
const op = i >> 5 & 0x3;
const offset = i & 0x1F;