Functional Sublw instruction (#8)

* Functional Sublw instruction * Fixed zeroBit in Addlw after overflow and result == 0
2023-05-23 17:47:25 +02:00
parent d5eaee2bde
commit 5e08c6d728
4 changed files with 49 additions and 5 deletions
--- a/commands/CommandUtils.java
+++ b/commands/CommandUtils.java
@@ -6,7 +6,7 @@ public class CommandUtils
 {
    protected void checkZeroBit(int result)
    {
-        if(result == 0){
+        if((result % 256) == 0){
            Memory.setZeroBit();
        } else{
            Memory.clearZeroBit();
@@ -22,7 +22,7 @@ public class CommandUtils
        }
    }

-    protected void checkDigitCarryBit(int result, int literal)
+    protected void checkDigitCarryBit(int literal)
    {
        if(((Memory.workingRegister & 0x0F) + (literal & 0x0F)) > 15){
            Memory.setDigitCarryBit();