mirror of
https://github.com/irmen/prog8.git
synced 2024-12-11 04:50:05 +00:00
63 lines
1.9 KiB
Lua
63 lines
1.9 KiB
Lua
%import textio
|
|
%import cx16diskio
|
|
%import palette
|
|
%zeropage basicsafe
|
|
%zpreserved $22,$26 ; zsound lib uses this region
|
|
|
|
|
|
;; Proof Of Concept ZCM player using a binary blob version of zsound library by ZeroByte relocated to something usable here.
|
|
|
|
; "issues": see play-zsm.p8
|
|
|
|
|
|
main $0830 {
|
|
|
|
zsound_lib:
|
|
; this has to be the first statement to make sure it loads at the specified module address $0830
|
|
%asmbinary "pcmplayer-0830.bin"
|
|
|
|
; note: jump table is offset by 2 from the load address (because of prg header)
|
|
romsub $0832 = pcm_init() clobbers(A)
|
|
romsub $0835 = pcm_trigger_digi(ubyte bank @A, uword song_address @XY)
|
|
romsub $0838 = pcm_play() clobbers(A, X, Y)
|
|
romsub $083b = pcm_stop() clobbers(A)
|
|
romsub $083e = pcm_set_volume(ubyte volume @A)
|
|
|
|
const ubyte digi_bank = 1
|
|
const uword digi_address = $a000
|
|
const ubyte zcm_DIGITAB_size = 8 ; header size
|
|
|
|
sub start() {
|
|
txt.print("zsound pcm digi demo program!\n")
|
|
|
|
c64.SETMSG(%10000000) ; enable kernal status messages for load
|
|
if not cx16diskio.load_raw(8, "terminator2.zcm", digi_bank, digi_address) {
|
|
txt.print("?can't load\n")
|
|
return
|
|
}
|
|
c64.SETMSG(0)
|
|
|
|
cx16.rambank(digi_bank)
|
|
; initialize header pointer of the zcm to point to actual sample data
|
|
poke(digi_address+2, digi_bank)
|
|
pokew(digi_address, digi_address+zcm_DIGITAB_size)
|
|
|
|
pcm_init()
|
|
txt.print("\nplaying digi! hit enter to stop.\n")
|
|
pcm_trigger_digi(digi_bank, digi_address)
|
|
while cx16.joystick_get2(0)==$ffff {
|
|
sys.waitvsync()
|
|
repeat 1000 {
|
|
; artificially delay calling the play routine so we can see its raster time
|
|
%asm {{
|
|
nop
|
|
}}
|
|
}
|
|
palette.set_color(0, $0c5)
|
|
pcm_play()
|
|
palette.set_color(0, $000)
|
|
}
|
|
pcm_stop()
|
|
}
|
|
}
|