Attempt masking opcode to hint the compiler

Baekalfen · Oct 18, 2023 · 2c744ef · 2c744ef
1 parent 0e9c49d
commit 2c744ef
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/pyboy/core/opcodes.py b/pyboy/core/opcodes.py
@@ -5243,6 +5243,8 @@ def execute_opcode(cpu, opcode):
         b = cpu.mb.getitem(pc+1)
         v = (a << 8) + b
 
+    opcode &= 0x1FF
+
     if opcode == 0x00:
         return NOP_00(cpu)
     elif opcode == 0x01: