From 155c200400ac80be1113e35df6637e2f77296d1a Mon Sep 17 00:00:00 2001
From: James Barnett <noreply@jamesbarnett.xyz>
Date: Fri, 22 Jun 2018 19:51:31 +0100
Subject: Add first few 16-Bit Load ops

---
 src/main/kotlin/cpu/Registers.kt | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/main/kotlin/cpu/Registers.kt')

diff --git a/src/main/kotlin/cpu/Registers.kt b/src/main/kotlin/cpu/Registers.kt
index 6d1e626..5f45e87 100644
--- a/src/main/kotlin/cpu/Registers.kt
+++ b/src/main/kotlin/cpu/Registers.kt
@@ -115,5 +115,12 @@ class Registers {
     return currentHL
   }
 
+  fun decrementAndGetSP(): Int {
+    return if(SP > 0x0000) {
+      --SP
+    } else {
+      SP
+    }
+  }
 
 }
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