tweaks, not helping

2022-11-29 11:45:29 -08:00 · 2022-11-29 11:45:29 -08:00 · f9431749d2
commit f9431749d2
parent 3bcf711c3f
1 changed files with 7 additions and 2 deletions
--- a/dither4.s
+++ b/dither4.s
@ -90,6 +90,10 @@ displaylist:
    lda #.hibyte(displaylist)
    sta SDLSTH

+    ; Disable VBI and DLI but allow Reset
+    lda #(128 + 64)
+    sta NMIEN
+
    ; Manually wait for first scan line
 wait_vblank:
    lda VCOUNT
@ -99,11 +103,12 @@ wait_vblank:
    lda #$22
    sta SDMCTL

-wait_start:
+wait_loop:
    sta WSYNC
+wait_start:
    lda VCOUNT
    cmp #15
-    bne wait_start
+    bne wait_loop
    ldy #0

 each_scanline: