merged ppu code, added input+zapper, FDS/VS insert in menu
[fceu.git] / ncpu.h
diff --git a/ncpu.h b/ncpu.h
index c123dc7..ac46a33 100644 (file)
--- a/ncpu.h
+++ b/ncpu.h
@@ -37,7 +37,7 @@
 #define REG_P_REST r8
 #define REG_NZ  r9             // 14
 #define REG_ADDR r10           // 18
-#define REG_CYCLE r11          // 1c
+#define REG_CYCLE r11          // 1c [31:16] - fceu cycles, [15:8] - fceu irqhook cycles, [7:0] - fceu timestamp cycles
 #define REG_OP_TABLE r12       // 20