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-rw-r--r--source/snes9x.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/source/snes9x.h b/source/snes9x.h
index 9e7d91d..4a4364c 100644
--- a/source/snes9x.h
+++ b/source/snes9x.h
@@ -46,9 +46,9 @@
#define SNES_CYCLES_PER_SCANLINE ((uint32_t) ((SNES_SCANLINE_TIME / SNES_CLOCK_LEN) * 6 + 0.5))
-#define ONE_CYCLE 6u
-#define SLOW_ONE_CYCLE 8u
-#define TWO_CYCLES 12u
+#define ONE_CYCLE (overclock_cycles ? 4u : 6u)
+#define SLOW_ONE_CYCLE (overclock_cycles ? 4u : 8u)
+#define TWO_CYCLES (overclock_cycles ? 6u : 12u)
#define SNES_TR_MASK (1u << 4)
#define SNES_TL_MASK (1u << 5)
@@ -63,6 +63,8 @@
#define SNES_Y_MASK (1u << 14)
#define SNES_B_MASK (1u << 15)
+extern bool overclock_cycles;
+
enum
{
SNES_MULTIPLAYER5,