uxn/projects/examples/devices/mouse.usm

( dev/mouse )

%RTN { JMP2r }
%ABS2 { DUP2 #000f SFT2 EQU #04 JNZ #ffff MUL2 }.

( devices )

|00 @System     [ &vector $2 &pad     $6 &r      $2 &g     $2 &b      $2 ]
|20 @Screen     [ &vector $2 &width   $2 &height $2 &pad   $2 &x      $2 &y     $2 &addr $2 &color $1 ]
|60 @Mouse      [ &vector $2 &x       $2 &y      $2 &state $1 &chord $1 ]

|0000

@line    [ &x0 $2 &y0 $2 &x     $2 &y     $2 &sx    $2 &sy $2 &dx $2 &dy $2 &e1 $2 &e2 $2 ]
@pointer [ &x  $2 &y  $2 &lastx $2 &lasty $2 &state $1 ]
@color $1

( program )

|0100 ( -> )

	( theme ) 
	#f0f0 .System/r DEO2 
	#f00f .System/g DEO2 
	#f000 .System/b DEO2
	( vectors ) 
	;on-mouse .Mouse/vector DEO2

BRK

@on-mouse ( -> )

	;draw-cursor JSR2
	( on down )
	.Mouse/state DEI #00 NEQ .pointer/state PEK #00 EQU #0101 EQU2 ,on-mouse-down JNZ
	( on drag )
	.Mouse/state DEI #00 NEQ ,on-mouse-drag JNZ
	.Mouse/state DEI .pointer/state POK

BRK 

@on-mouse-down ( -> )

	( record start position )
	.Mouse/x DEI2 DUP2 .pointer/x POK2 .pointer/lastx POK2 
	.Mouse/y DEI2 DUP2 .pointer/y POK2 .pointer/lasty POK2
	.Mouse/state DEI .pointer/state POK

BRK

@on-mouse-drag ( -> )
	
	( draw line )
	.pointer/lastx PEK2 
	.pointer/lasty PEK2 
	.pointer/x PEK2 
	.pointer/y PEK2 
	#01 [ .Mouse/state DEI #10 EQU #02 MUL ADD ] 
	;draw-line JSR2
	( record last position )
	.Mouse/x DEI2 .pointer/lastx POK2 
	.Mouse/y DEI2 .pointer/lasty POK2
	.Mouse/state DEI .pointer/state POK

BRK

@draw-cursor ( -- )
	
	( clear last cursor )
	;clear .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 .Screen/addr DEO2 
	.pointer/x PEK2 .Screen/x DEO2 
	.pointer/y PEK2 .Screen/y DEO2 
	( colorize on state )
	#31 [ .Mouse/state DEI #00 NEQ ] ADD .Screen/color DEO

RTN

@draw-line ( x1 y1 x2 y2 color -- )
	
	( load ) .color POK .line/y0 POK2 .line/x0 POK2 .line/y POK2 .line/x POK2
	.line/x0 PEK2 .line/x PEK2 SUB2 ABS2 .line/dx POK2
	.line/y0 PEK2 .line/y PEK2 SUB2 ABS2 #0000 SWP2 SUB2 .line/dy POK2
	#ffff #00 .line/x PEK2 .line/x0 PEK2 LTS2 #0002 MUL2 ADD2 .line/sx POK2 
	#ffff #00 .line/y PEK2 .line/y0 PEK2 LTS2 #0002 MUL2 ADD2 .line/sy POK2 
	.line/dx PEK2 .line/dy PEK2 ADD2 .line/e1 POK2
	&loop
		( draw ) 
		.line/x PEK2 .Screen/x DEO2 
		.line/y PEK2 .Screen/y DEO2 
		.color PEK .Screen/color DEO
		.line/x PEK2 .line/x0 PEK2 EQU2 .line/y PEK2 .line/y0 PEK2 EQU2 #0101 EQU2 ,&end JNZ
		.line/e1 PEK2 #0002 MUL2 .line/e2 POK2
		.line/e2 PEK2 .line/dy PEK2 LTS2 ,&skipy JNZ
			.line/e1 PEK2 .line/dy PEK2 ADD2 .line/e1 POK2
			.line/x PEK2 .line/sx PEK2 ADD2 .line/x POK2
		&skipy
		.line/e2 PEK2 .line/dx PEK2 GTS2 ,&skipx JNZ
			.line/e1 PEK2 .line/dx PEK2 ADD2 .line/e1 POK2
			.line/y PEK2 .line/sy PEK2 ADD2 .line/y POK2
		&skipx
		,&loop JMP
	&end

RTN

@clear  [ 0000 0000 0000 0000 ]
@cursor [ 80c0 e0f0 f8e0 1000 ]
Ported mouse example 2021-04-21 12:48:04 -04:00			`( dev/mouse )`

			`%RTN { JMP2r }`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`%ABS2 { DUP2 #000f SFT2 EQU #04 JNZ #ffff MUL2 }.`
Added better templating 2021-04-22 17:29:48 -04:00
Ported mouse example 2021-04-21 12:48:04 -04:00			`( devices )`

			`\|00 @System [ &vector $2 &pad $6 &r $2 &g $2 &b $2 ]`
			`\|20 @Screen [ &vector $2 &width $2 &height $2 &pad $2 &x $2 &y $2 &addr $2 &color $1 ]`
			`\|60 @Mouse [ &vector $2 &x $2 &y $2 &state $1 &chord $1 ]`

			`\|0000`

Templated examples 2021-04-22 22:57:47 -04:00			`@line [ &x0 $2 &y0 $2 &x $2 &y $2 &sx $2 &sy $2 &dx $2 &dy $2 &e1 $2 &e2 $2 ]`
			`@pointer [ &x $2 &y $2 &lastx $2 &lasty $2 &state $1 ]`
Added drawing to the mouse example 2021-04-22 14:08:06 -04:00			`@color $1`
Ported mouse example 2021-04-21 12:48:04 -04:00
			`( program )`

			`\|0100 ( -> )`

			`( theme )`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`#f0f0 .System/r DEO2`
			`#f00f .System/g DEO2`
			`#f000 .System/b DEO2`
Progress on macros experiments 2021-04-22 18:57:40 -04:00			`( vectors )`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`;on-mouse .Mouse/vector DEO2`
Ported mouse example 2021-04-21 12:48:04 -04:00
			`BRK`

			`@on-mouse ( -> )`

			`;draw-cursor JSR2`
Added drawing to the mouse example 2021-04-22 14:08:06 -04:00			`( on down )`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`.Mouse/state DEI #00 NEQ .pointer/state PEK #00 EQU #0101 EQU2 ,on-mouse-down JNZ`
Added drawing to the mouse example 2021-04-22 14:08:06 -04:00			`( on drag )`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`.Mouse/state DEI #00 NEQ ,on-mouse-drag JNZ`
			`.Mouse/state DEI .pointer/state POK`
Added drawing to the mouse example 2021-04-22 14:08:06 -04:00
Ported mouse example 2021-04-21 12:48:04 -04:00			`BRK`

Added drawing to the mouse example 2021-04-22 14:08:06 -04:00			`@on-mouse-down ( -> )`

Added better templating 2021-04-22 17:29:48 -04:00			`( record start position )`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`.Mouse/x DEI2 DUP2 .pointer/x POK2 .pointer/lastx POK2`
			`.Mouse/y DEI2 DUP2 .pointer/y POK2 .pointer/lasty POK2`
			`.Mouse/state DEI .pointer/state POK`
Added drawing to the mouse example 2021-04-22 14:08:06 -04:00
			`BRK`

			`@on-mouse-drag ( -> )`

Added better templating 2021-04-22 17:29:48 -04:00			`( draw line )`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`.pointer/lastx PEK2`
			`.pointer/lasty PEK2`
			`.pointer/x PEK2`
			`.pointer/y PEK2`
			`#01 [ .Mouse/state DEI #10 EQU #02 MUL ADD ]`
Progress on macros experiments 2021-04-22 18:57:40 -04:00			`;draw-line JSR2`
Added drawing to the mouse example 2021-04-22 14:08:06 -04:00			`( record last position )`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`.Mouse/x DEI2 .pointer/lastx POK2`
			`.Mouse/y DEI2 .pointer/lasty POK2`
			`.Mouse/state DEI .pointer/state POK`
Added drawing to the mouse example 2021-04-22 14:08:06 -04:00
			`BRK`

Ported mouse example 2021-04-21 12:48:04 -04:00			`@draw-cursor ( -- )`

			`( clear last cursor )`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`;clear .Screen/addr DEO2`
			`.pointer/x PEK2 .Screen/x DEO2`
			`.pointer/y PEK2 .Screen/y DEO2`
			`#30 .Screen/color DEO`
Ported mouse example 2021-04-21 12:48:04 -04:00			`( record pointer positions )`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`.Mouse/x DEI2 .pointer/x POK2`
			`.Mouse/y DEI2 .pointer/y POK2`
Ported mouse example 2021-04-21 12:48:04 -04:00			`( draw new cursor )`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`;cursor .Screen/addr DEO2`
			`.pointer/x PEK2 .Screen/x DEO2`
			`.pointer/y PEK2 .Screen/y DEO2`
Ported mouse example 2021-04-21 12:48:04 -04:00			`( colorize on state )`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`#31 [ .Mouse/state DEI #00 NEQ ] ADD .Screen/color DEO`
Ported mouse example 2021-04-21 12:48:04 -04:00
			`RTN`

Progress on macros experiments 2021-04-22 18:57:40 -04:00			`@draw-line ( x1 y1 x2 y2 color -- )`
Added drawing to the mouse example 2021-04-22 14:08:06 -04:00
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`( load ) .color POK .line/y0 POK2 .line/x0 POK2 .line/y POK2 .line/x POK2`
			`.line/x0 PEK2 .line/x PEK2 SUB2 ABS2 .line/dx POK2`
			`.line/y0 PEK2 .line/y PEK2 SUB2 ABS2 #0000 SWP2 SUB2 .line/dy POK2`
			`#ffff #00 .line/x PEK2 .line/x0 PEK2 LTS2 #0002 MUL2 ADD2 .line/sx POK2`
			`#ffff #00 .line/y PEK2 .line/y0 PEK2 LTS2 #0002 MUL2 ADD2 .line/sy POK2`
			`.line/dx PEK2 .line/dy PEK2 ADD2 .line/e1 POK2`
Added drawing to the mouse example 2021-04-22 14:08:06 -04:00			`&loop`
Progress on macros experiments 2021-04-22 18:57:40 -04:00			`( draw )`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`.line/x PEK2 .Screen/x DEO2`
			`.line/y PEK2 .Screen/y DEO2`
			`.color PEK .Screen/color DEO`
			`.line/x PEK2 .line/x0 PEK2 EQU2 .line/y PEK2 .line/y0 PEK2 EQU2 #0101 EQU2 ,&end JNZ`
			`.line/e1 PEK2 #0002 MUL2 .line/e2 POK2`
			`.line/e2 PEK2 .line/dy PEK2 LTS2 ,&skipy JNZ`
			`.line/e1 PEK2 .line/dy PEK2 ADD2 .line/e1 POK2`
			`.line/x PEK2 .line/sx PEK2 ADD2 .line/x POK2`
Added drawing to the mouse example 2021-04-22 14:08:06 -04:00			`&skipy`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-22 23:44:38 -04:00			`.line/e2 PEK2 .line/dx PEK2 GTS2 ,&skipx JNZ`
			`.line/e1 PEK2 .line/dx PEK2 ADD2 .line/e1 POK2`
			`.line/y PEK2 .line/sy PEK2 ADD2 .line/y POK2`
Added drawing to the mouse example 2021-04-22 14:08:06 -04:00			`&skipx`
			`,&loop JMP`
			`&end`

			`RTN`

Templated examples 2021-04-22 22:57:47 -04:00			`@clear [ 0000 0000 0000 0000 ]`
Templated the mouse example 2021-04-22 18:19:09 -04:00			`@cursor [ 80c0 e0f0 f8e0 1000 ]`