mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-11-01 01:06:33 +00:00
159 lines
2.6 KiB
ArmAsm
159 lines
2.6 KiB
ArmAsm
;====================================
|
|
; generate 4 patterns worth of music
|
|
; at address $7000-$FC00
|
|
|
|
pt3_write_lc_4:
|
|
|
|
; page offset
|
|
lda #0
|
|
sta FRAME_PAGE
|
|
|
|
lc4_frame_decode_loop:
|
|
|
|
jsr pt3_set_pages
|
|
|
|
jsr pt3_write_lc
|
|
|
|
lda FRAME_PAGE
|
|
cmp #8
|
|
bne lc4_frame_decode_loop
|
|
|
|
rts
|
|
|
|
pt3_write_lc_9:
|
|
|
|
; page offset
|
|
lda #0
|
|
sta FRAME_PAGE
|
|
|
|
lc9_frame_decode_loop:
|
|
|
|
jsr pt3_set_pages
|
|
|
|
jsr pt3_write_lc
|
|
|
|
lda FRAME_PAGE
|
|
cmp #9
|
|
bne lc9_frame_decode_loop
|
|
|
|
rts
|
|
|
|
|
|
;==============================
|
|
; write one page of frame data
|
|
pt3_write_lc_1:
|
|
|
|
; page offset
|
|
lda #0
|
|
sta FRAME_PAGE
|
|
|
|
jsr pt3_set_pages
|
|
|
|
jsr pt3_write_lc
|
|
|
|
rts
|
|
|
|
|
|
|
|
;==============================
|
|
; write one page of frame data
|
|
|
|
pt3_write_lc:
|
|
|
|
; offset within page
|
|
lda #0
|
|
sta FRAME_OFFSET
|
|
|
|
lc_frame_decode_loop:
|
|
jsr pt3_make_frame
|
|
|
|
jsr pt3_write_frame
|
|
|
|
inc FRAME_OFFSET
|
|
|
|
lda SOUND_WHILE_DECODE
|
|
beq no_play_music
|
|
|
|
lda FRAME_OFFSET
|
|
and #$7
|
|
bne no_play_music
|
|
|
|
jsr play_frame_compressed
|
|
|
|
no_play_music:
|
|
lda FRAME_OFFSET
|
|
cmp #0 ;64*4 ; FIXME: make this depend on song
|
|
; hardcoding for 64 for our song
|
|
bne lc_frame_decode_loop
|
|
|
|
inc FRAME_PAGE
|
|
|
|
rts
|
|
|
|
;========================
|
|
;
|
|
pt3_set_pages:
|
|
lda FRAME_PAGE
|
|
asl
|
|
asl
|
|
asl
|
|
asl
|
|
tay
|
|
|
|
lda music_addr_table+0,Y
|
|
sta r0_wrsmc+2
|
|
|
|
lda music_addr_table+1,Y
|
|
sta r1_wrsmc+2
|
|
|
|
lda music_addr_table+2,Y
|
|
sta r2_wrsmc+2
|
|
|
|
lda music_addr_table+3,Y
|
|
sta r4_wrsmc+2
|
|
|
|
lda music_addr_table+4,Y ;5+13=D4
|
|
sta r13_wrsmc+2
|
|
|
|
lda music_addr_table+5,Y
|
|
sta r6_wrsmc+2
|
|
|
|
lda music_addr_table+6,Y
|
|
sta r7_wrsmc+2
|
|
|
|
lda music_addr_table+7,Y
|
|
sta r8_wrsmc+2
|
|
|
|
lda music_addr_table+8,Y
|
|
sta r9_wrsmc+2
|
|
|
|
lda music_addr_table+9,Y
|
|
sta r11_wrsmc+2
|
|
|
|
lda music_addr_table+10,Y
|
|
sta r12_wrsmc+2
|
|
|
|
rts
|
|
|
|
.align $100
|
|
music_table_begin:
|
|
|
|
music_addr_table:
|
|
|
|
.byte $91,$92,$93,$94,$95,$96,$97,$98,$99,$9a,$9b,$BB,$CC,$DD,$EE,$FF ;0
|
|
.byte $86,$87,$88,$89,$8a,$8b,$8c,$8d,$8e,$8f,$90,$BB,$CC,$DD,$EE,$FF ;1
|
|
.byte $7b,$7c,$7d,$7e,$7f,$80,$81,$82,$83,$84,$85,$BB,$CC,$DD,$EE,$FF ;2
|
|
.byte $70,$71,$72,$73,$74,$75,$76,$77,$78,$79,$7a,$BB,$CC,$DD,$EE,$FF ;3
|
|
.byte $bd,$be,$bf,$10,$11,$12,$13,$14,$15,$16,$17,$BB,$CC,$DD,$EE,$FF ;4
|
|
.byte $b2,$b3,$b4,$b5,$b6,$b7,$b8,$b9,$ba,$bb,$bc,$BB,$CC,$DD,$EE,$FF ;5
|
|
.byte $a7,$a8,$a9,$aa,$ab,$ac,$ad,$ae,$af,$b0,$b1,$BB,$CC,$DD,$EE,$FF ;6
|
|
.byte $9c,$9d,$9e,$9f,$a0,$A1,$a2,$a3,$a4,$a5,$a6,$BB,$CC,$DD,$EE,$FF ;7
|
|
;.byte $40,$41,$42,$43,$44,$45,$46,$47,$48,$49,$4A,$BB,$CC,$DD,$EE,$FF ;8
|
|
;.byte $35,$36,$37,$38,$39,$3A,$3B,$3C,$3D,$3E,$3F,$BB,$CC,$DD,$EE,$FF ;9
|
|
;.byte $d0,$d1,$d2,$d3,$d4,$d5,$d6,$d7,$d8,$d9,$da,$BB,$CC,$DD,$EE,$FF
|
|
music_table_end:
|
|
|
|
.assert >music_table_begin = >music_table_end, error, "music_table crosses page"
|
|
|
|
|