tweak

dither4.s

@@ -1,7 +1,7 @@
 SAVMSC = $58
-SDMCTL = $22F
-SDLSTL = $230
-SDLSTH = $231
+;SDMCTL = $22F
+;SDLSTL = $230
+;SDLSTH = $231
 COLPF0 = $D016
 COLPF1 = $D017
 COLPF2 = $D018
@@ -9,6 +9,8 @@ COLPF3 = $D019
 COLBK = $D01A
 
 DMACTL = $D400
+DLISTL = $D402
+DLISTH = $D403
 WSYNC = $D40A
 VCOUNT = $D40B
 NMIEN = $D40E
@@ -80,16 +82,19 @@ displaylist:
     sta temp2h
     jsr copy_half_frame
 
-
     ; Disable display DMA
     lda #$00
     sta DMACTL
 
+    ; Disable VBI and DLI but allow Reset
+    lda #32
+    sta NMIEN
+
     ; Set up the display list
     lda #.lobyte(displaylist)
-    sta SDLSTL
+    sta DLISTL
     lda #.hibyte(displaylist)
-    sta SDLSTH
+    sta DLISTH
 
     ; Manually wait for first scan line
 wait_vblank:
@@ -100,11 +105,6 @@ wait_vblank:
     lda #$22
     sta DMACTL
 
-    ; Disable VBI and DLI but allow Reset
-    lda #32
-    sta NMIEN
-
-
 wait_loop:
     sta WSYNC
 wait_start: