chore: squash bugs preventing swi_demo.gba from working

2022-02-13 00:34:47 -04:00
parent 8ab7a178c1
commit d2740e30d9
3 changed files with 4 additions and 4 deletions
--- a/src/cpu/thumb/data_transfer.zig
+++ b/src/cpu/thumb/data_transfer.zig
@@ -116,7 +116,7 @@ pub fn format10(comptime L: bool, comptime offset: u5) InstrFn {
            const rb = opcode >> 3 & 0x7;
            const rd = opcode & 0x7;

-            const address = cpu.r[rb] + (offset << 1);
+            const address = cpu.r[rb] + (@as(u6, offset) << 1);

            if (L) {
                // LDRH