From ef2615c1a7f053ee33f32cc30a16f94ce7678bed Mon Sep 17 00:00:00 2001
From: MadMaurice <madmaurice@zom.bi>
Date: Tue, 29 Aug 2023 23:13:23 +0200
Subject: [PATCH] cpu/decoder - Fix build errors

---
 cpu/decoder.cpp | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/cpu/decoder.cpp b/cpu/decoder.cpp
index 92855a4..997f746 100644
--- a/cpu/decoder.cpp
+++ b/cpu/decoder.cpp
@@ -176,7 +176,7 @@ void Cpu::executeInstruction()
     {
       u16 rhs = state.reg16((op >> 4) & 0x3);
       u16 res12 = (state.HL & 0x0FFF) + (rhs & 0x0FFF);
-      state.halfcarry = (res11 & 0x1000);
+      state.halfcarry = (res12 & 0x1000);
       u32 res32 = (u32)state.HL + (u32)rhs;
       state.carry = (res32 & 0x10000);
       state.subtract = false;
@@ -457,16 +457,19 @@ void Cpu::executeInstruction()
           break;
 
         case 0xE8: // ADD SP, e8
-          u32 lhs = state.SP;
-          s32 rhs = (s8)readPC8();
-          u32 low_add = (lhs & 0x0FFF) + (rhs & 0x0FFF);
-          state.halfcarry = (low_add & 0x1000);
-          u32 res32 = lhs + rhs;
-          state.carry = (res32 & 0x10000);
-          state.SP = (u16)res32;
-          state.subtract = false;
-          state.zero = false;
-          mcycles = 4;
+          {
+            u32 lhs = state.SP;
+            s32 rhs = (s8)readPC8();
+            u32 low_add = (lhs & 0x0FFF) + (rhs & 0x0FFF);
+            state.halfcarry = (low_add & 0x1000);
+            u32 res32 = lhs + rhs;
+            state.carry = (res32 & 0x10000);
+            state.SP = (u16)res32;
+            state.subtract = false;
+            state.zero = false;
+            mcycles = 4;
+          }
+          break;
 
         default:
           panic("Unknown opcode 0x%x\n",op);