not working

dither4.s

@@ -15,6 +15,8 @@ NMIEN = $D40E
 
 framebuffer = $a000
 framebuffer2 = $b000
+framebuffer3 = $8000
+framebuffer4 = $9000
 
 temp1l = $80
 temp1h = $81
@@ -64,9 +66,32 @@ displaylist:
         .byte $0e
     .endrep
 
+    .byte $41 ; jump and blank
+    .addr displaylist_part2
+
+displaylist_part2:
+    ; 40 lines overscan
+    .repeat 5
+        .byte $70 ; 8 blank lines
+    .endrep
+
+    ; 160 lines graphics
+    ; ANTIC mode e (160px 2bpp, 1 scan line per line)
+    .byte $4e
+    .addr framebuffer3
+    .repeat height / 2 - 1
+        .byte $0e
+    .endrep
+    .byte $4e
+    .addr framebuffer4
+    .repeat height / 2 - 1
+        .byte $0e
+    .endrep
+
     .byte $41 ; jump and blank
     .addr displaylist
 
+
 audio_high_byte:
     .scope
         .macro byteseq val
@@ -185,8 +210,8 @@ each_scanline:
 
     .macro audio_play_lo ; 11 cycles
         lda audiotemp ; 3 cyc
-        and #$0f ; 2 cyc
-        ora #$10 ; 2 cyc
+        ;and #$0f ; 2 cyc
+        ;ora #$10 ; 2 cyc
         sta AUDC1 ; 4 cyc
     .endmacro
 
@@ -221,9 +246,9 @@ each_scanline:
         audio_cont:
     .endmacro
 
-    audio_prep
+    ;audio_prep
     inner_scanline
-    audio_play_lo
+    ;audio_play_lo
     inner_scanline
     ;audio_play_hi