mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-12-29 00:31:52 +00:00
b1238af49d
this will probably upset people
100 lines
1.5 KiB
ArmAsm
100 lines
1.5 KiB
ArmAsm
; Play music in the background
|
|
|
|
; by deater (Vince Weaver) <vince@deater.net>
|
|
|
|
; Zero Page
|
|
.include "zp.inc"
|
|
.include "hardware.inc"
|
|
|
|
;PT3_USE_ZERO_PAGE=0
|
|
|
|
;===================
|
|
; PT3 Setup
|
|
|
|
lda #0
|
|
sta DONE_PLAYING
|
|
lda #1
|
|
sta LOOP
|
|
|
|
jsr mockingboard_detect
|
|
bcc mockingboard_not_found
|
|
setup_interrupt:
|
|
jsr mockingboard_init
|
|
jsr mockingboard_setup_interrupt
|
|
jsr reset_ay_both
|
|
jsr clear_ay_both
|
|
jsr pt3_init_song
|
|
|
|
start_interrupts:
|
|
cli
|
|
|
|
mockingboard_not_found:
|
|
|
|
;===================
|
|
; init screen
|
|
jsr TEXT
|
|
jsr HOME
|
|
bit KEYRESET
|
|
|
|
; GR part
|
|
; bit PAGE1
|
|
; bit LORES ; 4
|
|
; bit SET_GR ; 4
|
|
|
|
; bit FULLGR ; 4
|
|
|
|
;===================
|
|
; init vars
|
|
|
|
; lda #0
|
|
; sta DRAW_PAGE
|
|
; lda #4
|
|
; sta DISP_PAGE
|
|
|
|
;=============================
|
|
; Load desire 1st
|
|
|
|
; lda #<desire_rle
|
|
; sta GBASL
|
|
; lda #>desire_rle
|
|
; sta GBASH
|
|
; lda #$c
|
|
; jsr load_rle_gr
|
|
|
|
; jsr gr_copy_to_current ; copy to page1
|
|
|
|
; jsr page_flip
|
|
|
|
; jsr wait_until_keypress
|
|
|
|
done:
|
|
jmp $3D0
|
|
|
|
wait_until_keypress:
|
|
lda KEYPRESS
|
|
bpl wait_until_keypress
|
|
bit KEYRESET
|
|
rts
|
|
|
|
; .include "gr_unrle.s"
|
|
; .include "gr_unrle_large.s"
|
|
; .include "gr_offsets.s"
|
|
; .include "gr_copy.s"
|
|
; .include "gr_copy_large.s"
|
|
; .include "gr_pageflip.s"
|
|
|
|
.include "pt3_lib_core.s"
|
|
.include "pt3_lib_init.s"
|
|
.include "pt3_lib_mockingboard_setup.s"
|
|
.include "interrupt_handler.s"
|
|
; if you're self patching, detect has to be after interrupt_handler.s
|
|
.include "pt3_lib_mockingboard_detect.s"
|
|
|
|
.include "nozp.inc"
|
|
|
|
PT3_LOC = song
|
|
.align $100
|
|
song:
|
|
.incbin "../pt3_player/music/DF.PT3"
|
|
|