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feat(cpu): implement THUMB format 17

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This commit is contained in:
Rekai Nyangadzayi Musuka
2022-10-21 05:12:12 -03:00
parent 523b9d2736
commit e6a0eab667
2 changed files with 26 additions and 2 deletions
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4
src/cpu.zig
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@@ -37,6 +37,7 @@ const format13 = @import("cpu/thumb/format13.zig").format13;
const format14 = @import("cpu/thumb/format14.zig").format14;
const format15 = @import("cpu/thumb/format15.zig").format15;
const format16 = @import("cpu/thumb/format16.zig").format16;
const format17 = @import("cpu/thumb/format17.zig").format17;
const format18 = @import("cpu/thumb/format18.zig").format18;
const format19 = @import("cpu/thumb/format19.zig").format19;
@@ -479,8 +480,7 @@ fn thumbPopulate() [0x400]ThumbInstrFn {
lut[i] = format13(S);
} else if (i >> 2 & 0xFF == 0xDF) {
// Format 17 | Software Interrupt
lut[i] = thumbUndefined;
lut[i] = format17();
} else if (i >> 6 & 0xF == 0b1000) {
const L = i >> 5 & 1 == 1;
const offset = i & 0x1F;