From b50e8210373c14dae740c752a785648f55212b31 Mon Sep 17 00:00:00 2001 From: Vince Weaver Date: Mon, 30 Oct 2023 18:18:41 -0400 Subject: [PATCH] second: shave 4 cycles off inner loop --- demos/second/part01_intropan/horiz_scroll.s | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/demos/second/part01_intropan/horiz_scroll.s b/demos/second/part01_intropan/horiz_scroll.s index 7518ad05..f9a5ab6a 100644 --- a/demos/second/part01_intropan/horiz_scroll.s +++ b/demos/second/part01_intropan/horiz_scroll.s @@ -36,13 +36,14 @@ pan_outer_loop: ldy #0 -pan_inner_loop: ; original: 36*39 = ?? ; updated: 34*39 pil_smc1: ldx $2000,Y ; 4+ +pan_inner_loop: + lda left_lookup_main,X ; 4+ sta TEMPY ; 3