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ds: escape: sound working ?!?

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Vince Weaver 2019-11-08 19:51:08 -05:00
parent 46711b66c6
commit 9c7606ec26
1 changed files with 57 additions and 10 deletions
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67
demosplash/escape.s
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@ -12,16 +12,16 @@ escape:
; we are roughly at the beginning of pattern 0x19
lda #19
sta current_pattern_smc+1
lda #0
sta current_line_smc+1
; lda #19
; sta current_pattern_smc+1
; lda #0
; sta current_line_smc+1
; setup 4 frames
jsr pt3_write_lc_4
; FIXME
jsr clear_ay_both
; jsr clear_ay_both
;===================
; init vars
@ -72,11 +72,52 @@ escape:
jsr create_update_type2
jsr setup_update_type2
jsr play_frame_compressed ; catch up some music
;==========================================
; replace bottom with call to music player
; lda #20
; sta $9800+
; after 172 lines*65 = 11180+1237+6=12427 (want 12480) remain 57
; 172 lines*47=8084 = $9800+b794
; add "jsr play_frame_compressed" 6+1237 = 1243 -6 = 1237cycles
; add "rts" 6 cycles
; lda #30
; jsr delay_a 30+25+2=
; take off 6 as code we are skipping has the 6 jsr
ROOT = $B794
;ROOT = $200
lda #$a9
sta ROOT+0
lda #30
sta ROOT+1
lda #$20
sta ROOT+2
lda #<delay_a
sta ROOT+3
lda #>delay_a
sta ROOT+4
lda #$20
sta ROOT+5
lda #<play_frame_compressed
sta ROOT+6
lda #>play_frame_compressed
sta ROOT+7
lda #$60
sta ROOT+8
; lda #$4c
; sta ROOT+8
; lda #<after_sprites_display
; sta ROOT+9
; lda #>after_sprites_display
; sta ROOT+10
;=============================
; Load graphic page0
@ -191,6 +232,8 @@ sprites_display_loop:
jsr $9800
;.include "sprites_screen.s"
after_sprites_display:
;======================================================
; We have 4550 cycles in the vblank, use them wisely
;======================================================
@ -1514,20 +1557,24 @@ escape_keys:
.byte 'A',20 ; stop
.byte ' '+$80,20 ; shoot second asteroid
.byte 'Z',30 ; down
.byte '.'+$80,10
.byte '.'+$80,10 ; color1
.byte 'A',5 ; up
.byte 'A',30 ; up
.byte '.'+$80,20
.byte '.'+$80,20 ; color2
.byte 'Z',25 ; down
.byte 'Z',25 ; faster
.byte 'A',25 ; slower
.byte 'A',25 ; stop
.byte 'Z',5 ; down
.byte 'Z',10 ; faster
.byte ','+$80,30
.byte 'Z',40 ; faster
.byte 'A',25 ; slower
.byte 'A',25 ; stop
.byte ','+$80,30
.byte 27+$80,2
.byte 'A',5 ; down
.byte 'A',10 ; faster
.byte 'A',40 ; faster