uxn/projects/demos/musictracker.usm

( 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 LDZ #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 STZ2
	 #0080 ADD2 .trkframe/x2 STZ2
	.Screen/height DEI2 #0002 DIV2 DUP2 #0038 SUB2 #0010 SUB2 .trkframe/y1 STZ2
	 #0038 ADD2 #0010 SUB2 .trkframe/y2 STZ2

	.trkframe/x1 LDZ2 .chnframe/x1 STZ2 .trkframe/y2 LDZ2 .chnframe/y1 STZ2
	.chnframe/x1 LDZ2 #0030 ADD2 .chnframe/x2 STZ2 .chnframe/y1 LDZ2 #0030 ADD2 .chnframe/y2 STZ2

	.chnframe/x2 LDZ2 .ctlframe/x1 STZ2 .chnframe/y1 LDZ2 .ctlframe/y1 STZ2
	.trkframe/x2 LDZ2 .ctlframe/x2 STZ2 .chnframe/y2 LDZ2 .ctlframe/y2 STZ2

	( 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 LDZ #08 MOD #00 NEQ ,&skip JCN
		;bang JSR2
	&skip

BRK

@on-mouse ( -> )

	.Mouse/state DEI #00 EQU ;&click-end JCN2
		.Mouse/x DEI2 .trkframe/x1 LDZ2 GTH2 .Mouse/x DEI2 .trkframe/x2 LDZ2 LTH2 #0101 EQU2
		.Mouse/y DEI2 .trkframe/y1 LDZ2 GTH2 .Mouse/y DEI2 .trkframe/y2 LDZ2 LTH2 #0101 EQU2
		#0101 EQU2 ;touch-trk JCN2
		.Mouse/x DEI2 .chnframe/x1 LDZ2 GTH2 .Mouse/x DEI2 .chnframe/x2 LDZ2 LTH2 #0101 EQU2
		.Mouse/y DEI2 .chnframe/y1 LDZ2 8+ GTH2 .Mouse/y DEI2 .chnframe/y2 LDZ2 8- LTH2 #0101 EQU2
		#0101 EQU2 ;touch-chn JCN2
		.Mouse/x DEI2 .ctlframe/x1 LDZ2 GTH2 .Mouse/x DEI2 .ctlframe/x2 LDZ2 LTH2 #0101 EQU2
		.Mouse/y DEI2 .ctlframe/y1 LDZ2 8+ GTH2 .Mouse/y DEI2 .ctlframe/y2 LDZ2 8- LTH2 #0101 EQU2
		#0101 EQU2 ;touch-ctl JCN2	
	&click-end

	;draw-cursor JSR2

BRK

@on-button ( -> )

	.Controller/key DEI
	DUP #61 NEQ ,&no-c JCN
		;notes LDA ;play JSR2 &no-c
	DUP #73 NEQ ,&no-d JCN
		;notes #0001 ADD2 LDA ;play JSR2 &no-d
	DUP #64 NEQ ,&no-e JCN
		;notes #0002 ADD2 LDA ;play JSR2 &no-e
	DUP #66 NEQ ,&no-f JCN
		;notes #0003 ADD2 LDA ;play JSR2 &no-f
	DUP #67 NEQ ,&no-g JCN
		;notes #0004 ADD2 LDA ;play JSR2 &no-g
	DUP #68 NEQ ,&no-a JCN
		;notes #0005 ADD2 LDA ;play JSR2 &no-a
	DUP #6a NEQ ,&no-b JCN
		;notes #0006 ADD2 LDA ;play JSR2 &no-b
	DUP #6b NEQ ,&no-c2 JCN
		;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 LDZ2 SUB2 SWP POP #08 DIV SUB
	.Mouse/state DEI #10 NEQ ,&no-erase JCN POP #00 &no-erase
	( edit note )
	TRACK #00 .Mouse/x DEI2 .trkframe/x1 LDZ2 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 LDZ2 SUB2 SWP POP #08 DIV #01 SUB .track/active STZ
	( release ) #00 .Mouse/state DEO
	;draw-channels JSR2
	;draw-notes JSR2
	;draw-controls JSR2

BRK

@touch-ctl ( -- )
	
	.Mouse/x DEI2 .ctlframe/x1 LDZ2 SUB2 8- 8/ SWP POP #02 DIV
	DUP #00 NEQ ,&no-a JCN
		.Audio0/adsr .track/active LDZ #10 MUL ADD DEI
		#10 .Mouse/state DEI #10 EQU #e0 MUL ADD ADD
		.Audio0/adsr .track/active LDZ #10 MUL ADD DEO &no-a
	DUP #01 NEQ ,&no-d JCN
		.Audio0/adsr .track/active LDZ #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 LDZ #10 MUL ADD DEO &no-d
	DUP #02 NEQ ,&no-s JCN
		.Audio0/adsr .track/active LDZ #10 MUL ADD #01 ADD DEI
		#10 .Mouse/state DEI #10 EQU #e0 MUL ADD ADD
		.Audio0/adsr .track/active LDZ #10 MUL ADD #01 ADD DEO &no-s
	DUP #03 NEQ ,&no-r JCN
		.Audio0/adsr .track/active LDZ #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 LDZ #10 MUL ADD #01 ADD DEO &no-r
	DUP #05 NEQ ,&no-left JCN
		.Audio0/volume .track/active LDZ #10 MUL ADD DEI
		#10 .Mouse/state DEI #10 EQU #e0 MUL ADD ADD
		.Audio0/volume .track/active LDZ #10 MUL ADD DEO &no-left
	DUP #06 NEQ ,&no-right JCN
		.Audio0/volume .track/active LDZ #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 LDZ #10 MUL ADD DEO &no-right
	POP
	( release ) #00 .Mouse/state DEO
	;draw-controls JSR2

BRK

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

RTN

@move-head ( -- )

	( clear )
	.trkframe/y1 LDZ2 8- .Screen/y DEO2
	.trkframe/x1 LDZ2 #00 .head/pos LDZ ADD2 .Screen/x DEO2
	;head_icn .Screen/addr DEO2
	#20 .Screen/color DEO
	( incr ) .head/pos LDZ #01 ADD .head/pos STZ
	.trkframe/x1 LDZ2 #00 .head/pos LDZ ADD2 .Screen/x DEO2
	;head_icn .Screen/addr DEO2
	#21 ( if note ) TRACK #00 .head/pos LDZ #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 LDZ2 ADD2 .Screen/y DEO2
		OVR #00 SWP 8* .trkframe/x1 LDZ2 ADD2 .Screen/x DEO2
		STHr #00 EQU ,&skip JCN
			#20 .Screen/color DEO
		&skip
		( incr ) SWP #01 ADD SWP
		DUP2 LTH ,&loop JCN
	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 LDZ2 ADD2 .Screen/y DEO2
		OVR #00 SWP 8* .trkframe/x1 LDZ2 ADD2 .Screen/x DEO2
		;note_icn .Screen/addr DEO2
		STHr #00 EQU ,&skip JCN
			#25 .Screen/color DEO
		&skip
		( incr ) SWP #01 ADD SWP
		DUP2 LTH ,&notes-loop JCN
	POP2
	;draw-bars JSR2

RTN

@draw-bars ( -- )

	.trkframe/x1 LDZ2 .trkframe/y1 LDZ2 .trkframe/x2 LDZ2 .trkframe/y2 LDZ2 #01 ;line-rect JSR2

	( grid )
	.trkframe/y1 LDZ2 #0010 SUB2 .Screen/y DEO2
	;font_hex .Screen/addr DEO2
	#0000 #0100
	&loop
		OVR2 SWP POP #02 DIV #0f AND #00 NEQ ,&skip JCN
			OVR2 .trkframe/x1 LDZ2 ADD2 .Screen/x DEO2
			.trkframe/y1 LDZ2 #0010 SUB2 .Screen/y DEO2
			#22 .Screen/color DEO
			.Screen/addr DEI2 8+ .Screen/addr DEO2
			OVR2 .trkframe/x1 LDZ2 ADD2 .trkframe/y1 LDZ2 ++ .trkframe/y2 LDZ2 #01 ;line-vertical-dotted JSR2
		&skip
		OVR2 .trkframe/x1 LDZ2 ADD2 .trkframe/y1 LDZ2 .trkframe/y2 LDZ2 #01 ;line-vertical-dotted JSR2
		SWP2 8+ SWP2
		OVR2 OVR2 LTH2 ,&loop JCN
	POP2
	POP2

	.trkframe/x1 LDZ2 .trkframe/x2 LDZ2 .trkframe/y1 LDZ2 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 JCN
	POP2
	POP2

RTN

@draw-octaves ( -- )
	
	.trkframe/x1 LDZ2 #0018 SUB2 DUP2 .trkframe/y1 LDZ2 ;draw-octave JSR2
	.trkframe/y1 LDZ2 #0038 ADD2 ;draw-octave JSR2
	.trkframe/x1 LDZ2 #0028 SUB2 .Screen/x DEO2
	.trkframe/y1 LDZ2 #0030 ADD2 .Screen/y DEO2
	;font_hex #0020 ADD2 .Screen/addr DEO2
	#23 .Screen/color DEO
	.trkframe/x1 LDZ2 #0030 SUB2 .Screen/x DEO2
	;font_hex #0060 ADD2 .Screen/addr DEO2
	#23 .Screen/color DEO
	.trkframe/x1 LDZ2 #0028 SUB2 .Screen/x DEO2
	.trkframe/y1 LDZ2 #0068 ADD2 .Screen/y DEO2
	;font_hex #0018 ADD2 .Screen/addr DEO2
	#23 .Screen/color DEO
	.trkframe/x1 LDZ2 #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 LDZ #03 EQU ;&blank JCN2

	&force
	( load ) .knob/value STZ .knob/y STZ2 .knob/x STZ2

	.knob/x LDZ2 .Screen/x DEO2
	.knob/y LDZ2 .Screen/y DEO2 ;knob_icns .Screen/addr DEO2 #21 .Screen/color DEO
	.knob/x LDZ2 8+ .Screen/x DEO2 ;knob_icns 8+ .Screen/addr DEO2 #21 .Screen/color DEO
	.knob/y LDZ2 8+ .Screen/y DEO2 ;knob_icns #0018 ADD2 .Screen/addr DEO2 #21 .Screen/color DEO
	.knob/x LDZ2 .Screen/x DEO2 ;knob_icns #0010 ADD2 .Screen/addr DEO2 #21 .Screen/color DEO
	.knob/x LDZ2 #00 #00 .knob/value LDZ ;knob_offsetx ADD2 LDA ADD2 .Screen/x DEO2
	.knob/y LDZ2 #00 #00 .knob/value LDZ ;knob_offsety ADD2 LDA ADD2 .Screen/y DEO2
	;knob_icns #0020 ADD2 .Screen/addr DEO2
	#25 .Screen/color DEO
	.knob/x LDZ2 #0004 ADD2 .Screen/x DEO2
	.knob/y LDZ2 #0010 ADD2 .Screen/y DEO2
	;font_hex #00 .knob/value LDZ #08 MUL ADD2 .Screen/addr DEO2
	#21 .Screen/color DEO

RTN

	&blank

	( load ) .knob/value STZ .knob/y STZ2 .knob/x STZ2

	.knob/x LDZ2 .Screen/x DEO2
	.knob/y LDZ2 .Screen/y DEO2 #20 .Screen/color DEO
	.knob/x LDZ2 8+ .Screen/x DEO2 #20 .Screen/color DEO
	.knob/y LDZ2 8+ .Screen/y DEO2 #20 .Screen/color DEO
	.knob/x LDZ2 .Screen/x DEO2 #20 .Screen/color DEO
	.knob/x LDZ2 #0004 ADD2 .Screen/x DEO2
	.knob/y LDZ2 #0010 ADD2 .Screen/y DEO2
	#20 .Screen/color DEO
RTN

@draw-controls ( -- )
	
	.ctlframe/x1 LDZ2 .ctlframe/y1 LDZ2 .ctlframe/x2 LDZ2 .ctlframe/y2 LDZ2 #01 ;line-rect JSR2
	( env )
	.ctlframe/x1 LDZ2 8+ .ctlframe/y1 LDZ2 8+ #22 ;env_txt ;draw-label JSR2
	.ctlframe/x1 LDZ2 8+ .ctlframe/y1 LDZ2 #0010 ADD2
		.Audio0/adsr .track/active LDZ #10 MUL ADD DEI #04 SFT
		;draw-knob JSR2
	.ctlframe/x1 LDZ2 #0018 ADD2 .ctlframe/y1 LDZ2 #0010 ADD2
		.Audio0/adsr .track/active LDZ #10 MUL ADD DEI #0f AND
		;draw-knob JSR2
	.ctlframe/x1 LDZ2 #0028 ADD2 .ctlframe/y1 LDZ2 #0010 ADD2
		.Audio0/adsr .track/active LDZ #10 MUL ADD #01 ADD DEI #04 SFT
		;draw-knob JSR2
	.ctlframe/x1 LDZ2 #0038 ADD2 .ctlframe/y1 LDZ2 #0010 ADD2
		.Audio0/adsr .track/active LDZ #10 MUL ADD #01 ADD DEI #0f AND
		;draw-knob JSR2
	( vol )
	.ctlframe/x1 LDZ2 #0058 ADD2 .ctlframe/y1 LDZ2 8+ #22 ;vol_txt ;draw-label JSR2
	.ctlframe/x1 LDZ2 #0058 ADD2 .ctlframe/y1 LDZ2 #0010 ADD2
		.Audio0/volume .track/active LDZ #10 MUL ADD DEI #04 SFT
	;draw-knob/force JSR2
	.ctlframe/x1 LDZ2 #0068 ADD2 .ctlframe/y1 LDZ2 #0010 ADD2
		.Audio0/volume .track/active LDZ #10 MUL ADD DEI #0f AND
	;draw-knob/force JSR2

RTN

@draw-vu ( -- )
	.ctlframe/x1 LDZ2 #0088 ADD2 .ctlframe/y1 LDZ2 #0010 ADD2
		.Audio0/output .track/active LDZ #10 MUL ADD DEI DUP STH #04 SFT
	;draw-knob/force JSR2
	.ctlframe/x1 LDZ2 #0098 ADD2 .ctlframe/y1 LDZ2 #0010 ADD2
		STHr #0f AND
	;draw-knob/force JSR2

RTN

@draw-channels
	
	.chnframe/x1 LDZ2 .chnframe/y1 LDZ2 .chnframe/x2 LDZ2 .chnframe/y2 LDZ2 #01 ;line-rect JSR2
	.chnframe/x1 LDZ2 8+ .chnframe/y1 LDZ2 8+ #21 .track/active LDZ #00 EQU #07 MUL ADD ;ch1_txt ;draw-label JSR2
	.chnframe/x1 LDZ2 8+ .chnframe/y1 LDZ2 #0010 ADD2 #21 .track/active LDZ #01 EQU #07 MUL ADD ;ch2_txt ;draw-label JSR2
	.chnframe/x1 LDZ2 8+ .chnframe/y1 LDZ2 #0018 ADD2 #21 .track/active LDZ #02 EQU #07 MUL ADD ;ch3_txt ;draw-label JSR2
	.chnframe/x1 LDZ2 8+ .chnframe/y1 LDZ2 #0020 ADD2 #21 .track/active LDZ #03 EQU #07 MUL ADD ;ch4_txt ;draw-label JSR2

RTN

@draw-cursor ( -- )

	( clear last cursor )
	;clear_icn .Screen/addr DEO2
	.pointer/x LDZ2 .Screen/x DEO2
	.pointer/y LDZ2 .Screen/y DEO2
	#30 .Screen/color DEO
	( record pointer positions )
	.Mouse/x DEI2 .pointer/x STZ2 .Mouse/y DEI2 .pointer/y STZ2
	( draw new cursor )
	;cursor_icn .Screen/addr DEO2
	.pointer/x LDZ2 .Screen/x DEO2
	.pointer/y LDZ2 .Screen/y DEO2
	#32 .Mouse/state DEI #00 NEQ ADD .Screen/color DEO

RTN

( generics )

@draw-label ( x y color addr -- )
	
	( load ) .label/addr STZ2 .label/color STZ .Screen/y DEO2 .Screen/x DEO2
	.label/addr LDZ2
	&loop
		( draw ) DUP2 LDA #00 SWP 8* ;font ADD2 .Screen/addr DEO2 .label/color LDZ .Screen/color DEO
		( incr ) ++
		( incr ) .Screen/x DEI2 8+ .Screen/x DEO2
		DUP2 LDA #00 NEQ ,&loop JCN
	POP2

RTN

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

RTN

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

RTN

@line-rect ( x1 y1 x2 y2 color )

	( load ) .color STZ .rect/y2 STZ2 .rect/x2 STZ2 DUP2 .Screen/y DEO2 .rect/y1 STZ2 DUP2 .Screen/x DEO2 .rect/x1 STZ2
	&hor
		( incr ) .Screen/x DEI2 ++ .Screen/x DEO2
		( draw ) .rect/y1 LDZ2 .Screen/y DEO2 .color LDZ .Screen/color DEO
		( draw ) .rect/y2 LDZ2 .Screen/y DEO2 .color LDZ .Screen/color DEO
		.Screen/x DEI2 .rect/x2 LDZ2 LTH2 ,&hor JCN
	.rect/y1 LDZ2 .Screen/y DEO2
	&ver
		( draw ) .rect/x1 LDZ2 .Screen/x DEO2 .color LDZ .Screen/color DEO
		( draw ) .rect/x2 LDZ2 .Screen/x DEO2 .color LDZ .Screen/color DEO
		( incr ) .Screen/y DEI2 ++ .Screen/y DEO2
		.Screen/y DEI2 .rect/y2 LDZ2 ++ LTH2 ,&ver JCN

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
	28 d8
	&end

@triangle-wave
	8082 8486 888a 8c8e 9092 9496 989a 9c9e a0a2 a4a6 a8aa acae
	b0b2 b4b6 b8ba bcbe c0c1 c3c5 c7c9 cbcd cfd1 d3d5 d7d9 dbdd
	dfe1 e3e5 e7e9 ebed eff1 f3f5 f7f9 fbfd fffd fbf9 f7f5 f3f1
	efed ebe9 e7e5 e3e1 dfdd dbd9 d7d5 d3d1 cfcd cbc9 c7c5 c3c1
	c0be bcba b8b6 b4b2 b0ae acaa a8a6 a4a2 a09e 9c9a 9896 9492
	908e 8c8a 8886 8482 807e 7c7a 7876 7472 706e 6c6a 6866 6462
	605e 5c5a 5856 5452 504e 4c4a 4846 4442 413f 3d3b 3937 3533
	312f 2d2b 2927 2523 211f 1d1b 1917 1513 110f 0d0b 0907 0503
	0103 0507 090b 0d0f 1113 1517 191b 1d1f 2123 2527 292b 2d2f
	3133 3537 393b 3d3f 4142 4446 484a 4c4e 5052 5456 585a 5c5e
	6062 6466 686a 6c6e 7072 7476 787a 7c7e
	&end

@sine-wave
	8084 898e 9297 9ca0 a5a9 aeb2 b6bb bfc3 c7cb ced2 d6d9 dce0
	e3e5 e8eb edf0 f2f4 f6f7 f9fa fbfc fdfe fefe fefe fefe fdfc
	fbfa f9f8 f6f4 f2f0 eeeb e9e6 e3e0 ddda d7d3 cfcc c8c4 c0bc
	b8b3 afaa a6a1 9d98 948f 8a85 817c 7772 6e69 6460 5b57 524e
	4a45 413d 3935 312e 2a27 2320 1d1a 1715 1210 0e0c 0a08 0705
	0403 0202 0101 0101 0101 0202 0304 0607 090a 0c0e 1113 1518
	1b1e 2124 282b 2f32 363a 3e42 464b 4f53 585c 6166 6a6f 7478
	7d82 878b 9095 999e a3a7 acb0 b4b9 bdc1 c5c9 cdd0 d4d7 dbde
	e1e4 e7ea ecee f1f3 f5f6 f8f9 fbfc fdfd fefe fefe fefe fdfd
	fcfb faf8 f7f5 f3f1 efed eae8 e5e2 dfdc d8d5 d1ce cac6 c2be
	bab5 b1ad a8a4 9f9b 9691 8d88 837e 7a75 706b 6762 5e59 5550
	4c47 433f 3b37 3330 2c28 2522 1f1c 1916 1411 0f0d 0b09 0706
	0504 0302 0101 0101 0101 0102 0304 0506 0809 0b0d 0f12 1417
	1a1c 1f23 2629 2d31 3438 3c40 4449 4d51 565a 5f63 686d 7176
	7b
	&end

@noise-wave-end