raw play sorta works

2022-12-08 06:33:05 -08:00 · 2022-12-08 06:33:05 -08:00 · 48a91b96ef
commit 48a91b96ef
parent d2bc874011
2 changed files with 11 additions and 4 deletions
--- a/dither4.s
+++ b/dither4.s
@ -158,6 +158,12 @@ wait_loop:
        sty COLPF2
    .endmacro

+    .macro audio_play_raw
+        ldy VCOUNT
+        lda (sample_ptr),y ; 5/6 cyc
+        sta AUDC1 ; 4 cyc
+    .endmacro
+
    .macro audio_play_lo
        lda audiotemp ; 3 cyc
        and #$0f ; 2 cyc
@ -199,9 +205,10 @@ wait_loop:
    .macro run_frame palette1, palette2, palette3
    .scope
    each_scanline_pair:
-        audio_prep
+        ;audio_prep
        inner_scanline palette1, palette2, palette3
-        audio_play_lo
+        audio_play_raw
+        ;audio_play_lo
        inner_scanline palette1, palette2, palette3
        ;audio_play_hi ; too slow