From 8f1b1eb924b81f2f0b0eb5d810e3bf3fa44b1a78 Mon Sep 17 00:00:00 2001
From: MadMaurice <madmaurice@zom.bi>
Date: Tue, 29 Aug 2023 23:04:59 +0200
Subject: [PATCH] cpu/decoder - Implement INC rr and DEC rr

---
 cpu/decoder.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/cpu/decoder.cpp b/cpu/decoder.cpp
index fe54a2e..a34dcdd 100644
--- a/cpu/decoder.cpp
+++ b/cpu/decoder.cpp
@@ -119,6 +119,16 @@ void Cpu::executeInstruction()
           break;
         }
     }
+  else if((op & 0xCF) == 0x03) // INC rr
+    {
+      state.reg16((op >> 4) & 0x3) += 1;
+      mcycles = 2;
+    }
+  else if((op & 0xCF) == 0x0B) // INC rr
+    {
+      state.reg16((op >> 4) & 0x3) -= 1;
+      mcycles = 2;
+    }
   else if((op & 0xE7) == 0xC2) // JP cc, nn:
     {
       u16 nn = readPC16();