From 178fb674f5ac6ebd3b90d03265fcf6a9cc89de39 Mon Sep 17 00:00:00 2001
From: Rekai Musuka <rekai@musuka.dev>
Date: Sat, 2 Jul 2022 04:30:58 -0300
Subject: [PATCH] fix: off-by-one error in debug logs

---
 src/cpu.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cpu.zig b/src/cpu.zig
index 09cb80b..54c9d04 100644
--- a/src/cpu.zig
+++ b/src/cpu.zig
@@ -463,7 +463,7 @@ pub const Arm7tdmi = struct {
         if (self.cpsr.t.read()) {
             if (opcode >> 11 == 0x1E) {
                 // Instruction 1 of a BL Opcode, print in ARM mode
-                const other_half = self.bus.debugRead(u16, self.r[15]);
+                const other_half = self.bus.debugRead(u16, self.r[15] - 2);
                 const bl_opcode = @as(u32, opcode) << 16 | other_half;
 
                 log_str = try std.fmt.bufPrint(&buf, arm_fmt, .{ r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10, r11, r12, r13, r14, r15, c_psr, bl_opcode });