( uxnemu sliderule.rom )

|00 @System &vector $2 &pad $6 &r $2 &g $2 &b $2
|10 @Console &vector $2 &read $1 &pad $5 &write $1
|20 @Screen &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y $2 &addr $2 &pixel $1 &sprite $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 &stat $2 &delete $1 &append $1 &name $2 &length $2 &read $2 &write $2

|0000

	@state &c $2 &d $2 &cursor $2

|0100

@on-reset ( -> )
	( | theme )
	#af0f .System/r DEO2
	#a20f .System/g DEO2
	#a20f .System/b DEO2
	load-theme
	( | size )
	#0148 .Screen/width DEO2
	#0078 .Screen/height DEO2
	( | unlock )
	;on-mouse .Mouse/vector DEO2
	<redraw>
	BRK

(
@|vectors )

@on-mouse ( -> )
	[ LIT2 00 -Mouse/state ] DEI NEQ #41 ADD ;pointer-icn <update-pointer>
	[ LIT &last $1 ] .Mouse/state DEI DUP ,&last STR
	DUP2 #0001 EQU2 ?&down
	DUP2 #0101 EQU2 ?&drag
	POP2 BRK
	&down ( states* -> )
		POP2 .Mouse/x DEI2 ,&from STR2
		BRK
	&drag ( states* -> )
		POP2 [ LIT2 &from $2 ] .Mouse/x DEI2 DUP2 ,&from STR2
		SWP2 SUB2

@on-drag ( offset* -> )
	.Mouse/y DEI2
	( ) DUP2 #0020 LTH2 ?&cursor
	( ) DUP2 #0038 LTH2 ?&c
	( ) DUP2 #0050 LTH2 ?&d
	&cursor ( offset* y* -> )
		POP2 DUP2 .state/c LDZ2 ADD2 .state/c STZ2
		.state/d LDZ2 ADD2 .state/d STZ2
		<redraw>
		BRK
	&c ( offset* y* -> )
		POP2 .state/c LDZ2 ADD2 .state/c STZ2
		<redraw>
		BRK
	&d ( offset* y* -> )
		POP2 .state/d LDZ2 ADD2 .state/d STZ2
		<redraw>
		BRK

(
@|core )

(
@|drawing )

@<redraw> ( -- )
	#0000 DUP2 .Screen/x DEO2
	.Screen/y DEO2
	#80 .Screen/pixel DEO
	<draw-c>
	<draw-d>
	<draw-cursor>
	JMP2r

@<draw-cursor> ( -- )
	#0050 .Screen/x DEO2
	#0018 .Screen/y DEO2
	#76 .Screen/auto DEO
	;cursor-chr .Screen/addr DEO2
	#0800
	&l ( -- )
		#85 .Screen/sprite DEO
		INC GTHk ?&l
	POP2 JMP2r

@<draw-c> ( -- )
	#0020 .state/c LDZ2 ADD2 .Screen/x DEO2
	#0020 .Screen/y DEO2
	( | cap )
	#25 .Screen/auto DEO
	;cap-chr .Screen/addr DEO2
	#85 .Screen/sprite DEO
	<draw-rule>
	<draw-rule>
	<draw-rule>
	( | cap )
	#25 .Screen/auto DEO
	;cap-end-chr .Screen/addr DEO2
	#85 .Screen/sprite DEO
	( | numbers )
	#05 .Screen/auto DEO
	#0024 .state/c LDZ2 ADD2 .Screen/x DEO2
	#0028 .Screen/y DEO2
	<draw-nums>
	JMP2r

@<draw-d> ( -- )
	#0030 .state/d LDZ2 ADD2 .Screen/x DEO2
	#0037 .Screen/y DEO2
	( | cap )
	#25 .Screen/auto DEO
	;cap-chr .Screen/addr DEO2
	#85 .Screen/sprite DEO
	<draw-rule-rev>
	<draw-rule-rev>
	<draw-rule-rev>
	( | cap )
	#25 .Screen/auto DEO
	;cap-end-chr .Screen/addr DEO2
	#85 .Screen/sprite DEO
	( | numbers )
	#05 .Screen/auto DEO
	#0034 .state/d LDZ2 ADD2 .Screen/x DEO2
	#0041 .Screen/y DEO2
	<draw-nums>
	JMP2r

@<draw-nums> ( -- )
	#01 <draw-num>
	( small ) #0900
	&l ( -- )
		#00 OVR STH2 .Screen/x DEI2k #0016 STH2r SUB2 ADD2 ROT DEO2
		INCk <draw-num-small>
		INC GTHk ?&l
	POP2
	( | next )
	.Screen/x DEI2k #000d ADD2 ROT DEO2
	#02 <draw-num>
	.Screen/x DEI2k #0083 ADD2 ROT DEO2
	#03 <draw-num>
	.Screen/x DEI2k #006b ADD2 ROT DEO2
	#04 <draw-num>
	.Screen/x DEI2k #0042 ADD2 ROT DEO2
	#05 <draw-num>
	.Screen/x DEI2k #003a ADD2 ROT DEO2
	#06 <draw-num>
	.Screen/x DEI2k #0036 ADD2 ROT DEO2
	#07 <draw-num>
	.Screen/x DEI2k #002d ADD2 ROT DEO2
	#08 <draw-num>
	.Screen/x DEI2k #0024 ADD2 ROT DEO2
	#09 <draw-num>
	JMP2r

@<draw-num> ( num -- )
	#00 SWP #30 SFT2 ;num-icn ADD2 .Screen/addr DEO2
	#0a .Screen/sprite DEO
	JMP2r

@<draw-num-small> ( num -- )
	#00 SWP #30 SFT2 ;num-icn ADD2 .Screen/addr DEO2
	#05 .Screen/sprite DEO
	JMP2r

@<draw-rule> ( -- )
	#2300
	&l ( -- )
		( | bg )
		#06 .Screen/auto DEO
		;bg-chr .Screen/addr DEO2
		[ LIT2 85 -Screen/sprite ] DEOk
		DEO
		( | scale )
		#05 .Screen/auto DEO
		#00 OVR #40 SFT2 ;rule-chr ADD2 .Screen/addr DEO2
		[ LIT2 85 -Screen/sprite ] DEO
		( adjust ) .Screen/y DEI2k #0010 SUB2 ROT DEO2
		INC GTHk ?&l
	POP2
	( adjust ) .Screen/x DEI2k #0005 SUB2 ROT DEO2
	JMP2r

@<draw-rule-rev> ( -- )
	#2300
	&l ( -- )
		( | scale )
		#06 .Screen/auto DEO
		#00 OVR #40 SFT2 ;rule-chr ADD2 .Screen/addr DEO2
		[ LIT2 a5 -Screen/sprite ] DEO
		( | bg )
		#15 .Screen/auto DEO
		;bg-rev-chr .Screen/addr DEO2
		[ LIT2 85 -Screen/sprite ] DEO
		( adjust ) .Screen/y DEI2k #0008 SUB2 ROT DEO2
		INC GTHk ?&l
	POP2
	( adjust ) .Screen/x DEI2k #0005 SUB2 ROT DEO2
	JMP2r

@<update-pointer> ( color addr* -- )
	[ LIT2 00 -Screen/auto ] DEO
	#40 <draw-pointer>
	.Mouse/x DEI2 ,<draw-pointer>/x STR2
	.Mouse/y DEI2 ,<draw-pointer>/y STR2
	.Screen/addr DEO2

@<draw-pointer> ( color -- )
	[ LIT2 &x $2 ] .Screen/x DEO2
	[ LIT2 &y $2 ] .Screen/y DEO2
	.Screen/sprite DEO
	JMP2r

@<phex> ( short* -- )
	SWP <phex>/b
	&b ( -- )
		DUP #04 SFT <phex>/c
	&c ( -- )
		#0f AND DUP #09 GTH #27 MUL ADD LIT "0 ADD #18 DEO
		JMP2r

(
@|utils )

@load-theme ( -- )
	;&path .File/name DEO2
	#0002 .File/length DEO2
	;&r .File/read DEO2
	;&g .File/read DEO2
	;&b .File/read DEO2
	.File/success DEI2 ORA #01 JCN
	JMP2r
	LIT2 &r $2
	.System/r DEO2
	LIT2 &g $2
	.System/g DEO2
	LIT2 &b $2
	.System/b DEO2
	JMP2r
	&path ".theme $1

(
@|spritesheet )
~assets.tal