implement all of the nestest unofficial opcodes and fix branch cycles

1 files changed, 1 insertions, 1 deletions

diff --git a/cpu.h b/cpu.h
index 3002573..ed17432 100644
--- a/cpu.h
+++ b/cpu.h
@@ -72,7 +72,7 @@ void AXA(uint16_t arg);
 void AXS(uint16_t arg);
 void DCP(uint16_t arg);
 void DOP(uint16_t arg);
-void ISC(uint16_t arg);
+void ISB(uint16_t arg);
 void KIL(uint16_t arg);
 void LAR(uint16_t arg);
 void LAX(uint16_t arg);