Bug fix: TSX was still wrong

2014-12-08 02:49:17 +09:00 · 2014-12-08 02:49:17 +09:00 · 62b69b5458
parent 77fa2964f1
commit 62b69b5458
1 changed files with 2 additions and 3 deletions
--- a/6502.S
+++ b/6502.S
@ -1405,10 +1405,9 @@ opb9:  // LDA - Absolute, Y
  _decode

 opba:  // TSX
-  _t   SP, RX
-  mov  r0, RX
+  mov  r0, SP
  uxtb r0, r0
-  mov  RX, r0
+  _t   r0, RX
  _decode

 opbc:  // LDY - Absolute, X