Tighten up vBlankCounter code.

9 years ago · 7a04a359fa
1 changed files with 3 additions and 7 deletions
--- a/pewpew.asm
+++ b/pewpew.asm
@ -596,15 +596,11 @@ VBlankCounter:
    ; This is a 24-bit counter. At 60 vblanks/second, this will take
    ; 77 hours to wrap around; that's good enough for me :)
    inc vBlankCounter
-    lda vBlankCounter
-    cmp #$00
-    bne VBlankCounterDone
+    bne +
    inc vBlankCounter + 1
-    lda vBlankCounter + 1
-    cmp #$00
-    bne VBlankCounterDone
+    bne +
    inc vBlankCounter + 2
-VBlankCounterDone:
+
    rts