~rabbits/uxn

ref: 16f51cb8766fa0610588716be376d0fad9fda712 uxn/projects/demos/musictracker.usm -rw-r--r-- 20.1 KiB
16f51cb8Andrew Alderwick Rewritten asma 4 months ago
                                                                                
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( mini music tracker )

%RTN { JMP2r }
%8+ { #0008 ADD2 } %8- { #0008 SUB2 }
%8* { #0008 MUL2 } %8/ { #0008 DIV2 }
%++ { #0001 ADD2 }
%MOD { DUP2 DIV MUL SUB }
%TRACK { ;track/ch1 #00 .track/active PEK #0020 MUL2 ADD2 }

( variables )

@pointer [ &x $2 &y $2 ]
@color [ &byte $1 ]
@rect [ &x1 $2 &y1 $2 &x2 $2 &y2 $2 ]
@trkframe [ &x1 $2 &y1 $2 &x2 $2 &y2 $2 ]
@chnframe [ &x1 $2 &y1 $2 &x2 $2 &y2 $2 ]
@ctlframe [ &x1 $2 &y1 $2 &x2 $2 &y2 $2 ]
@label [ &x $2 &y $2 &color $1 &addr $2 ]
@knob [ &x $2 &y $2 &value $1 ]
@head [ &pos $1 ]
@track [ &active $1 &ch1 $20 &ch2 $20 &ch3 $20 &ch4 $20 ]

( devices )

|00 @System [ &vector $2 &pad $6 &r $2 &g $2 &b $2 ]
|10 @Console [ &vector $2 &pad $6 &char $1 &byte $1 &short $2 &string $2 ]
|20 @Screen [ &vector $2 &width $2 &height $2 &pad $2 &x $2 &y $2 &addr $2 &color $1 ]
|30 @Audio0 [ &vector $2 &position $2 &output $1 &pad $3 &adsr $2 &len $2 &addr $2 &volume $1 &pitch $1 ]
|40 @Audio1 [ &vector $2 &position $2 &output $1 &pad $3 &adsr $2 &len $2 &addr $2 &volume $1 &pitch $1 ]
|50 @Audio2 [ &vector $2 &position $2 &output $1 &pad $3 &adsr $2 &len $2 &addr $2 &volume $1 &pitch $1 ]
|60 @Audio3 [ &vector $2 &position $2 &output $1 &pad $3 &adsr $2 &len $2 &addr $2 &volume $1 &pitch $1 ]
|80 @Controller [ &vector $2 &button $1 &key $1 ]
|90 @Mouse [ &vector $2 &x $2 &y $2 &state $1 &chord $1 ]
|a0 @File [ &vector $2 &success $2 &offset $2 &pad $2 &name $2 &length $2 &load $2 &save $2 ]

( vectors )

|0100
	@noise-wave

	( theme ) #e0fa .System/r DEO2 #30fa .System/g DEO2 #30fa .System/b DEO2
	( vectors ) ;on-screen .Screen/vector DEO2
	( vectors ) ;on-mouse .Mouse/vector DEO2
	( vectors ) ;on-button .Controller/vector DEO2

	.Screen/width DEI2 #0002 DIV2 DUP2 #0080 SUB2 .trkframe/x1 POK2
	 #0080 ADD2 .trkframe/x2 POK2
	.Screen/height DEI2 #0002 DIV2 DUP2 #0038 SUB2 #0010 SUB2 .trkframe/y1 POK2
	 #0038 ADD2 #0010 SUB2 .trkframe/y2 POK2

	.trkframe/x1 PEK2 .chnframe/x1 POK2 .trkframe/y2 PEK2 .chnframe/y1 POK2
	.chnframe/x1 PEK2 #0030 ADD2 .chnframe/x2 POK2 .chnframe/y1 PEK2 #0030 ADD2 .chnframe/y2 POK2

	.chnframe/x2 PEK2 .ctlframe/x1 POK2 .chnframe/y1 PEK2 .ctlframe/y1 POK2
	.trkframe/x2 PEK2 .ctlframe/x2 POK2 .chnframe/y2 PEK2 .ctlframe/y2 POK2

	( default settings )
	#048c .Audio0/adsr DEO2 #88 .Audio0/volume DEO
	#159d .Audio1/adsr DEO2 #88 .Audio1/volume DEO
	#26ae .Audio2/adsr DEO2 #88 .Audio2/volume DEO
	#0000 .Audio3/adsr DEO2 #88 .Audio3/volume DEO

	;square-wave .Audio0/addr DEO2
	;square-wave/end ;square-wave SUB2 .Audio0/len DEO2
	;triangle-wave .Audio1/addr DEO2
	;triangle-wave/end ;triangle-wave SUB2 .Audio1/len DEO2
	;sine-wave .Audio2/addr DEO2
	;sine-wave/end ;sine-wave SUB2 .Audio2/len DEO2
	;noise-wave .Audio3/addr DEO2
	;noise-wave-end ;noise-wave SUB2 .Audio3/len DEO2

	;draw-timeline JSR2
	;draw-controls JSR2
	;draw-channels JSR2

BRK

@on-screen ( -> )
	
	;move-head JSR2
	;draw-vu JSR2
	.head/pos PEK #08 MOD #00 NEQ ,&skip JNZ
		;bang JSR2
	&skip

BRK

@on-mouse ( -> )

	.Mouse/state DEI #00 EQU ;&click-end JNZ2
		.Mouse/x DEI2 .trkframe/x1 PEK2 GTH2 .Mouse/x DEI2 .trkframe/x2 PEK2 LTH2 #0101 EQU2
		.Mouse/y DEI2 .trkframe/y1 PEK2 GTH2 .Mouse/y DEI2 .trkframe/y2 PEK2 LTH2 #0101 EQU2
		#0101 EQU2 ;touch-trk JNZ2
		.Mouse/x DEI2 .chnframe/x1 PEK2 GTH2 .Mouse/x DEI2 .chnframe/x2 PEK2 LTH2 #0101 EQU2
		.Mouse/y DEI2 .chnframe/y1 PEK2 8+ GTH2 .Mouse/y DEI2 .chnframe/y2 PEK2 8- LTH2 #0101 EQU2
		#0101 EQU2 ;touch-chn JNZ2
		.Mouse/x DEI2 .ctlframe/x1 PEK2 GTH2 .Mouse/x DEI2 .ctlframe/x2 PEK2 LTH2 #0101 EQU2
		.Mouse/y DEI2 .ctlframe/y1 PEK2 8+ GTH2 .Mouse/y DEI2 .ctlframe/y2 PEK2 8- LTH2 #0101 EQU2
		#0101 EQU2 ;touch-ctl JNZ2	
	&click-end

	;draw-cursor JSR2

BRK

@on-button ( -> )

	.Controller/key DEI
	DUP #61 NEQ ,&no-c JNZ
		;notes LDA ;play JSR2 &no-c
	DUP #73 NEQ ,&no-d JNZ
		;notes #0001 ADD2 LDA ;play JSR2 &no-d
	DUP #64 NEQ ,&no-e JNZ
		;notes #0002 ADD2 LDA ;play JSR2 &no-e
	DUP #66 NEQ ,&no-f JNZ
		;notes #0003 ADD2 LDA ;play JSR2 &no-f
	DUP #67 NEQ ,&no-g JNZ
		;notes #0004 ADD2 LDA ;play JSR2 &no-g
	DUP #68 NEQ ,&no-a JNZ
		;notes #0005 ADD2 LDA ;play JSR2 &no-a
	DUP #6a NEQ ,&no-b JNZ
		;notes #0006 ADD2 LDA ;play JSR2 &no-b
	DUP #6b NEQ ,&no-c2 JNZ
		;notes #0007 ADD2 LDA ;play JSR2 &no-c2
	POP

BRK

@play ( pitch -- )

	.Audio0/pitch DEO

RTN

@touch-trk ( -- )
	
	;clear-notes JSR2
	( get note )
	#0e .Mouse/y DEI2 .trkframe/y1 PEK2 SUB2 SWP POP #08 DIV SUB
	.Mouse/state DEI #10 NEQ ,&no-erase JNZ POP #00 &no-erase
	( edit note )
	TRACK #00 .Mouse/x DEI2 .trkframe/x1 PEK2 SUB2 SWP POP #08 DIV ADD2 STA
	( release ) #00 .Mouse/state DEO
	;draw-notes JSR2

BRK

@touch-chn ( -- )
	
	;clear-notes JSR2
	( save ) .Mouse/y DEI2 .chnframe/y1 PEK2 SUB2 SWP POP #08 DIV #01 SUB .track/active POK
	( release ) #00 .Mouse/state DEO
	;draw-channels JSR2
	;draw-notes JSR2
	;draw-controls JSR2

BRK

@touch-ctl ( -- )
	
	.Mouse/x DEI2 .ctlframe/x1 PEK2 SUB2 8- 8/ SWP POP #02 DIV
	DUP #00 NEQ ,&no-a JNZ
		.Audio0/adsr .track/active PEK #10 MUL ADD DEI
		#10 .Mouse/state DEI #10 EQU #e0 MUL ADD ADD
		.Audio0/adsr .track/active PEK #10 MUL ADD DEO &no-a
	DUP #01 NEQ ,&no-d JNZ
		.Audio0/adsr .track/active PEK #10 MUL ADD DEI
		DUP #f0 AND STH #01 .Mouse/state DEI #10 EQU #0e MUL ADD ADD #0f AND STHr ADD
		.Audio0/adsr .track/active PEK #10 MUL ADD DEO &no-d
	DUP #02 NEQ ,&no-s JNZ
		.Audio0/adsr .track/active PEK #10 MUL ADD #01 ADD DEI
		#10 .Mouse/state DEI #10 EQU #e0 MUL ADD ADD
		.Audio0/adsr .track/active PEK #10 MUL ADD #01 ADD DEO &no-s
	DUP #03 NEQ ,&no-r JNZ
		.Audio0/adsr .track/active PEK #10 MUL ADD #01 ADD DEI
		DUP #f0 AND STH #01 .Mouse/state DEI #10 EQU #0e MUL ADD ADD #0f AND STHr ADD
		.Audio0/adsr .track/active PEK #10 MUL ADD #01 ADD DEO &no-r
	DUP #05 NEQ ,&no-left JNZ
		.Audio0/volume .track/active PEK #10 MUL ADD DEI
		#10 .Mouse/state DEI #10 EQU #e0 MUL ADD ADD
		.Audio0/volume .track/active PEK #10 MUL ADD DEO &no-left
	DUP #06 NEQ ,&no-right JNZ
		.Audio0/volume .track/active PEK #10 MUL ADD DEI
		DUP #f0 AND STH #01 .Mouse/state DEI #10 EQU #0e MUL ADD ADD #0f AND STHr ADD
		.Audio0/volume .track/active PEK #10 MUL ADD DEO &no-right
	POP
	( release ) #00 .Mouse/state DEO
	;draw-controls JSR2

BRK

@bang ( -- )
		
	;track/ch1 #00 .head/pos PEK #08 DIV ADD2 LDA
	#01 SUB
	DUP #ff NEQ ,&skip1 JNZ
		POP ,&listen2 JMP
	&skip1
	#00 SWP ;notes ADD2 LDA .Audio0/pitch DEO
	&listen2
	;track/ch2 #00 .head/pos PEK #08 DIV ADD2 LDA
	#01 SUB
	DUP #ff NEQ ,&skip2 JNZ
		POP ,&listen3 JMP
	&skip2
	#00 SWP ;notes ADD2 LDA .Audio1/pitch DEO
	&listen3
	;track/ch3 #00 .head/pos PEK #08 DIV ADD2 LDA
	#01 SUB
	DUP #ff NEQ ,&skip3 JNZ
		POP ,&listen4 JMP
	&skip3
	#00 SWP ;notes ADD2 LDA .Audio2/pitch DEO
	&listen4
	;track/ch4 #00 .head/pos PEK #08 DIV ADD2 LDA
	#01 SUB
	DUP #ff NEQ ,&skip4 JNZ
		POP ,&end JMP
	&skip4
	#00 SWP ;notes ADD2 LDA #80 ORA .Audio3/pitch DEO
	&end

RTN

@move-head ( -- )

	( clear )
	.trkframe/y1 PEK2 8- .Screen/y DEO2
	.trkframe/x1 PEK2 #00 .head/pos PEK ADD2 .Screen/x DEO2
	;head_icn .Screen/addr DEO2
	#20 .Screen/color DEO
	( incr ) .head/pos PEK #01 ADD .head/pos POK
	.trkframe/x1 PEK2 #00 .head/pos PEK ADD2 .Screen/x DEO2
	;head_icn .Screen/addr DEO2
	#21 ( if note ) TRACK #00 .head/pos PEK #08 DIV ADD2 LDA #00 NEQ ADD .Screen/color DEO

RTN

@clear-notes ( -- )

	#00 #20
	&loop
		( load ) OVR #00 SWP TRACK ADD2 LDA
		DUP STH #00 SWP #0e SWP SUB 8* .trkframe/y1 PEK2 ADD2 .Screen/y DEO2
		OVR #00 SWP 8* .trkframe/x1 PEK2 ADD2 .Screen/x DEO2
		STHr #00 EQU ,&skip JNZ
			#20 .Screen/color DEO
		&skip
		( incr ) SWP #01 ADD SWP
		DUP2 LTH ,&loop JNZ
	POP2

RTN

@draw-notes ( -- )

	#00 #20
	&notes-loop
		( load ) OVR #00 SWP TRACK ADD2 LDA
		DUP STH #00 SWP #0e SWP SUB 8* .trkframe/y1 PEK2 ADD2 .Screen/y DEO2
		OVR #00 SWP 8* .trkframe/x1 PEK2 ADD2 .Screen/x DEO2
		;note_icn .Screen/addr DEO2
		STHr #00 EQU ,&skip JNZ
			#25 .Screen/color DEO
		&skip
		( incr ) SWP #01 ADD SWP
		DUP2 LTH ,&notes-loop JNZ
	POP2
	;draw-bars JSR2

RTN

@draw-bars ( -- )

	.trkframe/x1 PEK2 .trkframe/y1 PEK2 .trkframe/x2 PEK2 .trkframe/y2 PEK2 #01 ;line-rect JSR2

	( grid )
	.trkframe/y1 PEK2 #0010 SUB2 .Screen/y DEO2
	;font_hex .Screen/addr DEO2
	#0000 #0100
	&loop
		OVR2 SWP POP #02 DIV #0f AND #00 NEQ ,&skip JNZ
			OVR2 .trkframe/x1 PEK2 ADD2 .Screen/x DEO2
			.trkframe/y1 PEK2 #0010 SUB2 .Screen/y DEO2
			#22 .Screen/color DEO
			.Screen/addr DEI2 8+ .Screen/addr DEO2
			OVR2 .trkframe/x1 PEK2 ADD2 .trkframe/y1 PEK2 ++ .trkframe/y2 PEK2 #01 ;line-vertical-dotted JSR2
		&skip
		OVR2 .trkframe/x1 PEK2 ADD2 .trkframe/y1 PEK2 .trkframe/y2 PEK2 #01 ;line-vertical-dotted JSR2
		SWP2 8+ SWP2
		OVR2 OVR2 LTH2 ,&loop JNZ
	POP2
	POP2

	.trkframe/x1 PEK2 .trkframe/x2 PEK2 .trkframe/y1 PEK2 8- #0040 ADD2 #01 ;line-horizontal-dotted JSR2

RTN

@draw-octave ( x y -- )

	.Screen/y DEO2
	.Screen/x DEO2
	;octave_icn .Screen/addr DEO2
	.Screen/y DEI2 .Screen/y DEI2 #0038 ADD2
	&loop
		OVR2 .Screen/y DEO2
		#21 .Screen/color DEO
		.Screen/addr DEI2 8+ .Screen/addr DEO2
		.Screen/x DEI2 8+ .Screen/x DEO2
		#21 .Screen/color DEO
		.Screen/addr DEI2 8+ .Screen/addr DEO2
		.Screen/x DEI2 8- .Screen/x DEO2
		SWP2 8+ SWP2
		OVR2 OVR2 LTH2 ,&loop JNZ
	POP2
	POP2

RTN

@draw-octaves ( -- )
	
	.trkframe/x1 PEK2 #0018 SUB2 DUP2 .trkframe/y1 PEK2 ;draw-octave JSR2
	.trkframe/y1 PEK2 #0038 ADD2 ;draw-octave JSR2
	.trkframe/x1 PEK2 #0028 SUB2 .Screen/x DEO2
	.trkframe/y1 PEK2 #0030 ADD2 .Screen/y DEO2
	;font_hex #0020 ADD2 .Screen/addr DEO2
	#23 .Screen/color DEO
	.trkframe/x1 PEK2 #0030 SUB2 .Screen/x DEO2
	;font_hex #0060 ADD2 .Screen/addr DEO2
	#23 .Screen/color DEO
	.trkframe/x1 PEK2 #0028 SUB2 .Screen/x DEO2
	.trkframe/y1 PEK2 #0068 ADD2 .Screen/y DEO2
	;font_hex #0018 ADD2 .Screen/addr DEO2
	#23 .Screen/color DEO
	.trkframe/x1 PEK2 #0030 SUB2 .Screen/x DEO2
	;font_hex #0060 ADD2 .Screen/addr DEO2
	#23 .Screen/color DEO

RTN

@draw-timeline ( -- )

	;draw-bars JSR2
	;draw-octaves JSR2

RTN

@draw-knob ( x* y* value -- )
	.track/active PEK #03 EQU ;&blank JNZ2

	&force
	( load ) .knob/value POK .knob/y POK2 .knob/x POK2

	.knob/x PEK2 .Screen/x DEO2
	.knob/y PEK2 .Screen/y DEO2 ;knob_icns .Screen/addr DEO2 #21 .Screen/color DEO
	.knob/x PEK2 8+ .Screen/x DEO2 ;knob_icns 8+ .Screen/addr DEO2 #21 .Screen/color DEO
	.knob/y PEK2 8+ .Screen/y DEO2 ;knob_icns #0018 ADD2 .Screen/addr DEO2 #21 .Screen/color DEO
	.knob/x PEK2 .Screen/x DEO2 ;knob_icns #0010 ADD2 .Screen/addr DEO2 #21 .Screen/color DEO
	.knob/x PEK2 #00 #00 .knob/value PEK ;knob_offsetx ADD2 LDA ADD2 .Screen/x DEO2
	.knob/y PEK2 #00 #00 .knob/value PEK ;knob_offsety ADD2 LDA ADD2 .Screen/y DEO2
	;knob_icns #0020 ADD2 .Screen/addr DEO2
	#25 .Screen/color DEO
	.knob/x PEK2 #0004 ADD2 .Screen/x DEO2
	.knob/y PEK2 #0010 ADD2 .Screen/y DEO2
	;font_hex #00 .knob/value PEK #08 MUL ADD2 .Screen/addr DEO2
	#21 .Screen/color DEO

RTN

	&blank

	( load ) .knob/value POK .knob/y POK2 .knob/x POK2

	.knob/x PEK2 .Screen/x DEO2
	.knob/y PEK2 .Screen/y DEO2 #20 .Screen/color DEO
	.knob/x PEK2 8+ .Screen/x DEO2 #20 .Screen/color DEO
	.knob/y PEK2 8+ .Screen/y DEO2 #20 .Screen/color DEO
	.knob/x PEK2 .Screen/x DEO2 #20 .Screen/color DEO
	.knob/x PEK2 #0004 ADD2 .Screen/x DEO2
	.knob/y PEK2 #0010 ADD2 .Screen/y DEO2
	#20 .Screen/color DEO
RTN

@draw-controls ( -- )
	
	.ctlframe/x1 PEK2 .ctlframe/y1 PEK2 .ctlframe/x2 PEK2 .ctlframe/y2 PEK2 #01 ;line-rect JSR2
	( env )
	.ctlframe/x1 PEK2 8+ .ctlframe/y1 PEK2 8+ #22 ;env_txt ;draw-label JSR2
	.ctlframe/x1 PEK2 8+ .ctlframe/y1 PEK2 #0010 ADD2
		.Audio0/adsr .track/active PEK #10 MUL ADD DEI #04 SFT
		;draw-knob JSR2
	.ctlframe/x1 PEK2 #0018 ADD2 .ctlframe/y1 PEK2 #0010 ADD2
		.Audio0/adsr .track/active PEK #10 MUL ADD DEI #0f AND
		;draw-knob JSR2
	.ctlframe/x1 PEK2 #0028 ADD2 .ctlframe/y1 PEK2 #0010 ADD2
		.Audio0/adsr .track/active PEK #10 MUL ADD #01 ADD DEI #04 SFT
		;draw-knob JSR2
	.ctlframe/x1 PEK2 #0038 ADD2 .ctlframe/y1 PEK2 #0010 ADD2
		.Audio0/adsr .track/active PEK #10 MUL ADD #01 ADD DEI #0f AND
		;draw-knob JSR2
	( vol )
	.ctlframe/x1 PEK2 #0058 ADD2 .ctlframe/y1 PEK2 8+ #22 ;vol_txt ;draw-label JSR2
	.ctlframe/x1 PEK2 #0058 ADD2 .ctlframe/y1 PEK2 #0010 ADD2
		.Audio0/volume .track/active PEK #10 MUL ADD DEI #04 SFT
	;draw-knob/force JSR2
	.ctlframe/x1 PEK2 #0068 ADD2 .ctlframe/y1 PEK2 #0010 ADD2
		.Audio0/volume .track/active PEK #10 MUL ADD DEI #0f AND
	;draw-knob/force JSR2

RTN

@draw-vu ( -- )
	.ctlframe/x1 PEK2 #0088 ADD2 .ctlframe/y1 PEK2 #0010 ADD2
		.Audio0/output .track/active PEK #10 MUL ADD DEI DUP STH #04 SFT
	;draw-knob/force JSR2
	.ctlframe/x1 PEK2 #0098 ADD2 .ctlframe/y1 PEK2 #0010 ADD2
		STHr #0f AND
	;draw-knob/force JSR2

RTN

@draw-channels
	
	.chnframe/x1 PEK2 .chnframe/y1 PEK2 .chnframe/x2 PEK2 .chnframe/y2 PEK2 #01 ;line-rect JSR2
	.chnframe/x1 PEK2 8+ .chnframe/y1 PEK2 8+ #21 .track/active PEK #00 EQU #07 MUL ADD ;ch1_txt ;draw-label JSR2
	.chnframe/x1 PEK2 8+ .chnframe/y1 PEK2 #0010 ADD2 #21 .track/active PEK #01 EQU #07 MUL ADD ;ch2_txt ;draw-label JSR2
	.chnframe/x1 PEK2 8+ .chnframe/y1 PEK2 #0018 ADD2 #21 .track/active PEK #02 EQU #07 MUL ADD ;ch3_txt ;draw-label JSR2
	.chnframe/x1 PEK2 8+ .chnframe/y1 PEK2 #0020 ADD2 #21 .track/active PEK #03 EQU #07 MUL ADD ;ch4_txt ;draw-label JSR2

RTN

@draw-cursor ( -- )

	( clear last cursor )
	;clear_icn .Screen/addr DEO2
	.pointer/x PEK2 .Screen/x DEO2
	.pointer/y PEK2 .Screen/y DEO2
	#30 .Screen/color DEO
	( record pointer positions )
	.Mouse/x DEI2 .pointer/x POK2 .Mouse/y DEI2 .pointer/y POK2
	( draw new cursor )
	;cursor_icn .Screen/addr DEO2
	.pointer/x PEK2 .Screen/x DEO2
	.pointer/y PEK2 .Screen/y DEO2
	#32 .Mouse/state DEI #00 NEQ ADD .Screen/color DEO

RTN

( generics )

@draw-label ( x y color addr -- )
	
	( load ) .label/addr POK2 .label/color POK .Screen/y DEO2 .Screen/x DEO2
	.label/addr PEK2
	&loop
		( draw ) DUP2 LDA #00 SWP 8* ;font ADD2 .Screen/addr DEO2 .label/color PEK .Screen/color DEO
		( incr ) ++
		( incr ) .Screen/x DEI2 8+ .Screen/x DEO2
		DUP2 LDA #00 NEQ ,&loop JNZ
	POP2

RTN

@line-vertical-dotted ( x y0 y1 color -- )
	
	.color POK STH2 SWP2 .Screen/x DEO2 STH2r OVR2 .Screen/y DEO2
	&draw-ver
		( draw ) .color PEK .Screen/color DEO
		( incr ) SWP2 #0002 ADD2 DUP2 .Screen/y DEO2 SWP2
		OVR2 OVR2 LTH2 ,&draw-ver JNZ
	POP2 POP2

RTN

@line-horizontal-dotted ( x0 x1 y color -- )
	
	.color POK .Screen/y DEO2 OVR2 .Screen/x DEO2
	&draw-hor
		( draw ) .color PEK .Screen/color DEO
		( incr ) SWP2 #0002 ADD2 DUP2 .Screen/x DEO2 SWP2
		OVR2 OVR2 LTH2 ,&draw-hor JNZ
	POP2 POP2

RTN

@line-rect ( x1 y1 x2 y2 color )

	( load ) .color POK .rect/y2 POK2 .rect/x2 POK2 DUP2 .Screen/y DEO2 .rect/y1 POK2 DUP2 .Screen/x DEO2 .rect/x1 POK2
	&hor
		( incr ) .Screen/x DEI2 ++ .Screen/x DEO2
		( draw ) .rect/y1 PEK2 .Screen/y DEO2 .color PEK .Screen/color DEO
		( draw ) .rect/y2 PEK2 .Screen/y DEO2 .color PEK .Screen/color DEO
		.Screen/x DEI2 .rect/x2 PEK2 LTH2 ,&hor JNZ
	.rect/y1 PEK2 .Screen/y DEO2
	&ver
		( draw ) .rect/x1 PEK2 .Screen/x DEO2 .color PEK .Screen/color DEO
		( draw ) .rect/x2 PEK2 .Screen/x DEO2 .color PEK .Screen/color DEO
		( incr ) .Screen/y DEI2 ++ .Screen/y DEO2
		.Screen/y DEI2 .rect/y2 PEK2 ++ LTH2 ,&ver JNZ

RTN

@ch1_txt [ "SQR 20 00 ]
@ch2_txt [ "TRI 20 00 ]
@ch3_txt [ "SINE 00 ]
@ch4_txt [ "DRUM 00 ]
@env_txt [ "Envelope 00 ]
@vol_txt [ "Volume 00 ]

@clear_icn   [ 0000 0000 0000 0000 ]
@cursor_icn  [ 80c0 e0f0 f8e0 1000 ]
@note_icn    [ 0000 1c3e 3e3e 1c00 ]
@head_icn    [ 0018 1818 7e3c 1800 ]

@notes [
	3c 3e 40 41 43 45 47
	48 4a 4c 4d 4f 51 53
]

@knob_icns [
	0003 0c10 2020 4040
	00c0 3008 0404 0202
	4040 2020 100c 0300
	0202 0404 0830 c000
	0000 183c 3c18 0000
]

@octave_icn [
	ff00 0000 fefe fffe
	ff01 0101 0102 fc00
	fffe fc00 fefe fffe
	ff01 0101 0102 fc00
	fffe fc00 fefe fffe
	ff01 0101 0102 fc00
	fffe fc00 0000 ff00
	ff01 0101 0102 fc00
	ff00 0000 fefe fffe
	ff01 0101 0102 fc00
	fffe fc00 fefe fffe
	ff01 0101 0102 fc00
	fffe fc00 0000 ff00
	ff01 0101 0102 fc00
]

@knob_offsetx [
	01 00 00 00 00 01 02 03
	05 06 07 08 08 08 08 07
]

@knob_offsety [
	07 06 05 03 02 01 00 00
	00 00 01 02 03 05 06 07
]

@font_hex ( 0-F )
[
	007c 8282 8282 827c 0030 1010 1010 1010
	007c 8202 7c80 80fe 007c 8202 1c02 827c
	000c 1424 4484 fe04 00fe 8080 7c02 827c
	007c 8280 fc82 827c 007c 8202 1e02 0202
	007c 8282 7c82 827c 007c 8282 7e02 827c
	007c 8202 7e82 827e 00fc 8282 fc82 82fc
	007c 8280 8080 827c 00fc 8282 8282 82fc
	007c 8280 f080 827c 007c 8280 f080 8080
]

@font ( spectrum-zx font )
[
	0000 0000 0000 0000 0000 2400 7e3c 0000 0000 2400 3c42 0000 0000 6c7c 7c38 1000
	0010 387c 7c38 1000 0038 387c 6c10 3800 0010 387c 7c10 3800 0000 0018 1800 0000
	007e 4242 4242 7e00 0000 1824 2418 0000 0018 2442 4224 1800 001e 063a 4a48 3000
	0038 446c 107c 1000 000c 0808 0838 3800 003e 2222 2266 6600 0000 0822 0022 0800
	0000 1018 1c18 1000 0000 0818 3818 0800 0008 1c00 001c 0800 0028 2828 2800 2800
	003e 4a4a 3a0a 0a00 000c 3046 620c 3000 0000 0000 0000 ffff 0010 3800 3810 0038
	0008 1c2a 0808 0800 0008 0808 2a1c 0800 0000 0804 7e04 0800 0000 1020 7e20 1000
	0000 4040 7e00 0000 0000 0024 6624 0000 0000 1038 7c00 0000 0000 007c 3810 0000
	0000 0000 0000 0000 0008 0808 0800 0800 0014 1400 0000 0000 0024 7e24 247e 2400
	0008 1e28 1c0a 3c08 0042 0408 1020 4200 0030 4832 4c44 3a00 0008 1000 0000 0000
	0004 0808 0808 0400 0010 0808 0808 1000 0000 1408 3e08 1400 0000 0808 3e08 0800
	0000 0000 0008 0810 0000 0000 3c00 0000 0000 0000 0000 0800 0000 0204 0810 2000
	003c 464a 5262 3c00 0018 2808 0808 3e00 003c 4202 3c40 7e00 003c 421c 0242 3c00
	0008 1828 487e 0800 007e 407c 0242 3c00 003c 407c 4242 3c00 007e 0204 0810 1000
	003c 423c 4242 3c00 003c 4242 3e02 3c00 0000 0008 0000 0800 0000 0800 0008 0810
	0000 0810 2010 0800 0000 003e 003e 0000 0000 1008 0408 1000 003c 4202 0c00 0800
	003c 425a 5442 3c00 0018 2442 7e42 4200 007c 427c 4242 7c00 003c 4240 4042 3c00
	0078 4442 4244 7800 007e 407c 4040 7e00 003e 4040 7c40 4000 003c 4240 4e42 3c00
	0042 427e 4242 4200 003e 0808 0808 3e00 0002 0202 4242 3c00 0044 4870 4844 4200
	0040 4040 4040 7e00 0042 665a 4242 4200 0042 6252 4a46 4200 003c 4242 4242 3c00
	007c 4242 7c40 4000 003c 4242 524a 3c00 007c 4242 7c44 4200 003c 403c 0242 3c00
	00fe 1010 1010 1000 0042 4242 4242 3c00 0042 4242 4224 1800 0042 4242 5a66 4200
	0042 2418 1824 4200 0082 4428 1010 1000 007e 0408 1020 7e00 000c 0808 0808 0c00
	0040 2010 0804 0200 0018 0808 0808 1800 0008 1422 0000 0000 0000 0000 0000 7e00
	0008 0400 0000 0000 0000 1c02 1e22 1e00 0020 203c 2222 3c00 0000 1e20 2020 1e00
	0002 021e 2222 1e00 0000 1c22 3c20 1e00 000c 101c 1010 1000 0000 1c22 221e 021c
	0020 202c 3222 2200 0008 0018 0808 0400 0008 0008 0808 4830 0020 2428 3028 2400
	0010 1010 1010 0c00 0000 6854 5454 5400 0000 5864 4444 4400 0000 3844 4444 3800
	0000 7844 4478 4040 0000 3c44 443c 0406 0000 2c30 2020 2000 0000 3840 3804 7800
	0010 103c 1010 0c00 0000 4444 4444 3800 0000 4444 2828 1000 0000 4454 5454 2800
	0000 4428 1028 4400 0000 4444 443c 0438 0000 7c08 1020 7c00 000c 0810 1008 0c00
	0008 0808 0808 0800 0030 1008 0810 3000 0000 0032 4c00 0000 3c42 99a1 a199 423c
]

@square-wave
	a8 58
	&end

@triangle-wave
	0002 0406 080a 0c0e 1012 1416 181a 1c1e 2022 2426 282a 2c2e
	3032 3436 383a 3c3e 4041 4345 4749 4b4d 4f51 5355 5759 5b5d
	5f61 6365 6769 6b6d 6f71 7375 7779 7b7d 7f7d 7b79 7775 7371
	6f6d 6b69 6765 6361 5f5d 5b59 5755 5351 4f4d 4b49 4745 4341
	403e 3c3a 3836 3432 302e 2c2a 2826 2422 201e 1c1a 1816 1412
	100e 0c0a 0806 0402 00fe fcfa f8f6 f4f2 f0ee ecea e8e6 e4e2
	e0de dcda d8d6 d4d2 d0ce ccca c8c6 c4c2 c1bf bdbb b9b7 b5b3
	b1af adab a9a7 a5a3 a19f 9d9b 9997 9593 918f 8d8b 8987 8583
	8183 8587 898b 8d8f 9193 9597 999b 9d9f a1a3 a5a7 a9ab adaf
	b1b3 b5b7 b9bb bdbf c1c2 c4c6 c8ca ccce d0d2 d4d6 d8da dcde
	e0e2 e4e6 e8ea ecee f0f2 f4f6 f8fa fcfe
	&end

@sine-wave
	0004 090e 1217 1c20 2529 2e32 363b 3f43 474b 4e52 5659 5c60
	6365 686b 6d70 7274 7677 797a 7b7c 7d7e 7e7e 7e7e 7e7e 7d7c
	7b7a 7978 7674 7270 6e6b 6966 6360 5d5a 5753 4f4c 4844 403c
	3833 2f2a 2621 1d18 140f 0a05 01fc f7f2 eee9 e4e0 dbd7 d2ce
	cac5 c1bd b9b5 b1ae aaa7 a3a0 9d9a 9795 9290 8e8c 8a88 8785
	8483 8282 8181 8181 8181 8282 8384 8687 898a 8c8e 9193 9598
	9b9e a1a4 a8ab afb2 b6ba bec2 c6cb cfd3 d8dc e1e6 eaef f4f8
	fd02 070b 1015 191e 2327 2c30 3439 3d41 4549 4d50 5457 5b5e
	6164 676a 6c6e 7173 7576 7879 7b7c 7d7d 7e7e 7e7e 7e7e 7d7d
	7c7b 7a78 7775 7371 6f6d 6a68 6562 5f5c 5855 514e 4a46 423e
	3a35 312d 2824 1f1b 1611 0d08 03fe faf5 f0eb e7e2 ded9 d5d0
	ccc7 c3bf bbb7 b3b0 aca8 a5a2 9f9c 9996 9491 8f8d 8b89 8786
	8584 8382 8181 8181 8181 8182 8384 8586 8889 8b8d 8f92 9497
	9a9c 9fa3 a6a9 adb1 b4b8 bcc0 c4c9 cdd1 d6da dfe3 e8ed f1f6
	fb
	&end

@noise-wave-end