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https://github.com/irmen/prog8.git
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123 lines
3.7 KiB
Lua
123 lines
3.7 KiB
Lua
%import textio
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%import audio
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%zeropage basicsafe
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%option no_sysinit
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main {
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sub start() {
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txt.print("\n\nsimple demonstration of the audio kernal routines.\n")
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txt.print("fm demo...\n")
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fm_demo()
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sys.wait(30)
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txt.print("psg demo...\n")
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psg_demo()
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sys.wait(30)
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txt.print("done!\n")
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}
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sub psg_demo() {
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/*
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10 PSGINIT
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20 PSGCHORD 15,"O3G>CE" : REM STARTS PLAYING A CHORD ON VOICES 15, 0, AND 1
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30 PSGPLAY 14,">C<DGB>CDE" : REM PLAYS A SERIES OF NOTES ON VOICE 14
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40 PSGCHORD 15,"RRR" : REM RELEASES CHORD ON VOICES 15, 0, AND 1
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50 PSGPLAY 14,"O4CAG>C<A" : REM PLAYS A SERIES OF NOTES ON VOICE 14
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60 PSGCHORD 0,"O3A>CF" : REM STARTS PLAYING A CHORD ON VOICES 0, 1, AND 2
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70 PSGPLAY 14,"L16FGAB->CDEF4" : REM PLAYS A SERIES OF NOTES ON VOICE
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80 PSGCHORD 0,"RRR" : REM RELEASES CHORD ON VOICES 0, 1, AND 2
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*/
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; Note: the audio module contains stubs for every kernal audio call,
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; they use JSRFAR to automatically switch to the correct ROM bank (and back).
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; So we don't have to switch rom banks ourselves to access the audio routines in bank 10!
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audio.psg_init()
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audio.bas_playstringvoice(15)
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audio.bas_psgchordstring(6, "o3g>ce")
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audio.bas_playstringvoice(14)
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audio.bas_psgplaystring(10, ">c<dgb>cde")
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audio.bas_playstringvoice(15)
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audio.bas_psgchordstring(3, "rrr")
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audio.bas_playstringvoice(14)
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audio.bas_psgplaystring(9, "o4cag>c<a")
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audio.bas_playstringvoice(0)
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audio.bas_psgchordstring(6, "o3a>cf")
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audio.bas_playstringvoice(14)
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audio.bas_psgplaystring(14, "l16fgab->cdef4")
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audio.bas_playstringvoice(0)
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audio.bas_psgchordstring(3, "rrr")
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}
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sub fm_demo() {
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/*
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10 FMINIT
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20 FMVIB 195,10
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30 FMINST 1,16:FMINST 2,16:FMINST 3,16 : REM ORGAN
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40 FMVOL 1,50:FMVOL 2,50:FMVOL 3,50 : REM MAKE ORGAN QUIETER
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50 FMINST 0,11 : REM VIBRAPHONE
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60 FMCHORD 1,"O3CG>E T90" : REM START SOME ORGAN CHORDS (CHANNELS 1,2,3)
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70 FMPLAY 0,"O4G4.A8G4E2." : REM PLAY MELODY (CHANNEL 0)
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80 FMPLAY 0,"O4G4.A8G4E2."
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90 FMCHORD 1,"O2G>DB" : REM SWITCH ORGAN CHORDS (CHANNELS 1,2,3)
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100 FMPLAY 0,"O5D2D4<B2" : REM PLAY MORE MELODY
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110 FMCHORD 1,"O2F" : REM SWITCH ONE OF THE ORGAN CHORD NOTES
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120 FMPLAY 0,"R4" : REM PAUSE FOR THE LENGTH OF ONE QUARTER NOTE
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130 FMCHORD 1,"O3CEG" : REM SWITCH ALL THREE CHORD NOTES
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140 FMPLAY 0,"O5C2C4<G2." : REM PLAY THE REST OF THE MELODY
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150 FMCHORD 1,"RRR" : REM RELEASE THE CHANNELS THAT ARE PLAYING THE CHORD
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*/
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void audio.ym_init()
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void audio.bas_fmvib(195, 10)
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audio.ym_loadpatch(1,16,true)
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audio.ym_loadpatch(2,16,true)
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audio.ym_loadpatch(3,16,true)
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void audio.ym_setatten(1,64-50)
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void audio.ym_setatten(2,64-50)
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void audio.ym_setatten(3,64-50)
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audio.ym_loadpatch(0,11,true)
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audio.bas_playstringvoice(1)
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audio.bas_fmchordstring(11, "o3cg>e t130")
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audio.bas_playstringvoice(0)
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audio.bas_fmplaystring(12, "o4g4.a8g4e2.")
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audio.bas_playstringvoice(0)
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audio.bas_fmplaystring(12, "o4g4.a8g4e2.")
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audio.bas_playstringvoice(1)
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audio.bas_fmchordstring(6, "o2g>db")
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audio.bas_playstringvoice(0)
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audio.bas_fmplaystring(9, "o5d2d4<b2")
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audio.bas_playstringvoice(1)
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audio.bas_fmchordstring(3, "o2f")
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audio.bas_playstringvoice(0)
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audio.bas_fmplaystring(2, "r4")
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audio.bas_playstringvoice(1)
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audio.bas_fmchordstring(5, "o3ceg")
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audio.bas_playstringvoice(0)
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audio.bas_fmplaystring(10, "o5c2c4<g2.")
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audio.bas_playstringvoice(1)
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audio.bas_fmchordstring(3, "rrr")
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}
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}
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