uxn/projects/examples/devices/mouse.tal

( dev/mouse )

%RTN   { JMP2r }
%ABS2  { DUP2 #0f SFT2 EQU #05 JCN #0000 SWP2 SUB2 }
%LTS2  { #8000 ADD2 SWP2 #8000 ADD2 GTH2 }
%GTS2  { #8000 ADD2 SWP2 #8000 ADD2 LTH2 }
%2** { #10 SFT2 }

( 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 &pixel $1 &sprite $1 ]
|90 @Mouse      [ &vector $2 &x       $2 &y      $2 &state $1 &wheel $1 ]

|0000

@color $1
@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 ]

( program )

|0100 ( -> )

	( theme ) 
	#f030 .System/r DEO2 
	#f04f .System/g DEO2 
	#f050 .System/b DEO2

	( vectors ) 
	;on-mouse .Mouse/vector DEO2

BRK

@on-mouse ( -> )

	;draw-cursor JSR2

	( on down )
	.Mouse/state DEI #00 NEQ .pointer/state LDZ #00 EQU #0101 EQU2 ,on-mouse-down JCN

	( on drag )
	.Mouse/state DEI ,on-mouse-drag JCN
	.Mouse/state DEI .pointer/state STZ

BRK 

@on-mouse-down ( -> )

	( record start position )
	.Mouse/x DEI2 DUP2 .pointer/x STZ2 .pointer/lastx STZ2 
	.Mouse/y DEI2 DUP2 .pointer/y STZ2 .pointer/lasty STZ2
	.Mouse/state DEI .pointer/state STZ

BRK

@on-mouse-drag ( -> )
	
	( draw line )
	.pointer/lastx LDZ2 
	.pointer/lasty LDZ2 
	.pointer/x LDZ2 
	.pointer/y LDZ2 
	#01 [ .Mouse/state DEI #10 EQU DUP ADD ADD ] 
	;draw-line JSR2

	( record last position )
	.Mouse/x DEI2 .pointer/lastx STZ2 
	.Mouse/y DEI2 .pointer/lasty STZ2
	.Mouse/state DEI .pointer/state STZ

BRK

@draw-cursor ( -- )
	
	;pointer_icn .Screen/addr DEO2
	( clear last cursor )
	.pointer/x LDZ2 .Screen/x DEO2
	.pointer/y LDZ2 .Screen/y DEO2
	#40 .Screen/sprite DEO

	( record pointer positions )
	.Mouse/x DEI2 .pointer/x STZ2 
	.Mouse/y DEI2 .pointer/y STZ2

	( draw new cursor )
	.pointer/x LDZ2 .Screen/x DEO2
	.pointer/y LDZ2 .Screen/y DEO2
	#43 .Mouse/state DEI #00 NEQ DUP ADD SUB .Screen/sprite DEO

RTN

@draw-line ( x1 y1 x2 y2 color -- )
	
	( load ) .color STZ .line/y0 STZ2 .line/x0 STZ2 .line/y STZ2 .line/x STZ2
	.line/x0 LDZ2 .line/x LDZ2 SUB2 ABS2 .line/dx STZ2
	.line/y0 LDZ2 .line/y LDZ2 SUB2 ABS2 #0000 SWP2 SUB2 .line/dy STZ2
	#ffff #00 .line/x LDZ2 .line/x0 LDZ2 LTS2 2** ADD2 .line/sx STZ2
	#ffff #00 .line/y LDZ2 .line/y0 LDZ2 LTS2 2** ADD2 .line/sy STZ2
	.line/dx LDZ2 .line/dy LDZ2 ADD2 .line/e1 STZ2
	&loop
		.line/x LDZ2 .Screen/x DEO2 
		.line/y LDZ2 .Screen/y DEO2 
		.color LDZ .Screen/pixel DEO
		[ .line/x LDZ2 .line/x0 LDZ2 EQU2 ] 
		[ .line/y LDZ2 .line/y0 LDZ2 EQU2 ] #0101 EQU2 ,&end JCN
		.line/e1 LDZ2 2** .line/e2 STZ2
		.line/e2 LDZ2 .line/dy LDZ2 LTS2 ,&skipy JCN
			.line/e1 LDZ2 .line/dy LDZ2 ADD2 .line/e1 STZ2
			.line/x LDZ2 .line/sx LDZ2 ADD2 .line/x STZ2
		&skipy
		.line/e2 LDZ2 .line/dx LDZ2 GTS2 ,&skipx JCN
			.line/e1 LDZ2 .line/dx LDZ2 ADD2 .line/e1 STZ2
			.line/y LDZ2 .line/sy LDZ2 ADD2 .line/y STZ2
		&skipx
		;&loop JMP2
	&end

RTN

@pointer_icn [ 80c0 e0f0 f8e0 1000 ]
Ported mouse example 2021-04-21 16:48:04 +00:00			`( dev/mouse )`

Removed LTS/GTS opcodes 2021-05-01 16:59:57 +00:00			`%RTN { JMP2r }`
Replaced trivial multiplications with shifts and additions 2021-08-17 19:16:39 +00:00			`%ABS2 { DUP2 #0f SFT2 EQU #05 JCN #0000 SWP2 SUB2 }`
Removed LTS/GTS opcodes 2021-05-01 16:59:57 +00:00			`%LTS2 { #8000 ADD2 SWP2 #8000 ADD2 GTH2 }`
			`%GTS2 { #8000 ADD2 SWP2 #8000 ADD2 LTH2 }`
Optimised MUL2 by powers of 2 to SFT2 2021-05-24 21:52:11 +00:00			`%2** { #10 SFT2 }`
Added better templating 2021-04-22 21:29:48 +00:00
Ported mouse example 2021-04-21 16:48:04 +00:00			`( devices )`

			`\|00 @System [ &vector $2 &pad $6 &r $2 &g $2 &b $2 ]`
Migrated Screen/color to Screen/pixel and/or Screen/sprite 2021-07-31 20:58:33 +00:00			`\|20 @Screen [ &vector $2 &width $2 &height $2 &pad $2 &x $2 &y $2 &addr $2 &pixel $1 &sprite $1 ]`
Replaced Mouse/chord with Mouse/wheel 2021-05-31 22:08:34 +00:00			`\|90 @Mouse [ &vector $2 &x $2 &y $2 &state $1 &wheel $1 ]`
Ported mouse example 2021-04-21 16:48:04 +00:00
			`\|0000`

Cleaned a few examples 2021-04-29 04:00:39 +00:00			`@color $1`
Templated examples 2021-04-23 02:57:47 +00:00			`@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 ]`
Ported mouse example 2021-04-21 16:48:04 +00:00
			`( program )`

			`\|0100 ( -> )`

			`( theme )`
Cleaned a few examples 2021-04-29 04:00:39 +00:00			`#f030 .System/r DEO2`
			`#f04f .System/g DEO2`
			`#f050 .System/b DEO2`

Progress on macros experiments 2021-04-22 22:57:40 +00:00			`( vectors )`
Afterall, I decided to not use the fancy new macros, I think pek/pok is more readable than glyphs in the end 2021-04-23 03:44:38 +00:00			`;on-mouse .Mouse/vector DEO2`
Ported mouse example 2021-04-21 16:48:04 +00:00
			`BRK`

			`@on-mouse ( -> )`

			`;draw-cursor JSR2`
Cleaned a few examples 2021-04-29 04:00:39 +00:00
Added drawing to the mouse example 2021-04-22 18:08:06 +00:00			`( on down )`
Renamed PEK/POK to LDZ/STZ 2021-05-11 18:14:52 +00:00			`.Mouse/state DEI #00 NEQ .pointer/state LDZ #00 EQU #0101 EQU2 ,on-mouse-down JCN`
Cleaned a few examples 2021-04-29 04:00:39 +00:00
Added drawing to the mouse example 2021-04-22 18:08:06 +00:00			`( on drag )`
Optimized out #00 NEQ when used with JCN 2021-05-13 06:31:42 +00:00			`.Mouse/state DEI ,on-mouse-drag JCN`
Renamed PEK/POK to LDZ/STZ 2021-05-11 18:14:52 +00:00			`.Mouse/state DEI .pointer/state STZ`
Added drawing to the mouse example 2021-04-22 18:08:06 +00:00
Ported mouse example 2021-04-21 16:48:04 +00:00			`BRK`

Added drawing to the mouse example 2021-04-22 18:08:06 +00:00			`@on-mouse-down ( -> )`

Added better templating 2021-04-22 21:29:48 +00:00			`( record start position )`
Renamed PEK/POK to LDZ/STZ 2021-05-11 18:14:52 +00:00			`.Mouse/x DEI2 DUP2 .pointer/x STZ2 .pointer/lastx STZ2`
			`.Mouse/y DEI2 DUP2 .pointer/y STZ2 .pointer/lasty STZ2`
			`.Mouse/state DEI .pointer/state STZ`
Added drawing to the mouse example 2021-04-22 18:08:06 +00:00
			`BRK`

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

Added better templating 2021-04-22 21:29:48 +00:00			`( draw line )`
Renamed PEK/POK to LDZ/STZ 2021-05-11 18:14:52 +00:00			`.pointer/lastx LDZ2`
			`.pointer/lasty LDZ2`
			`.pointer/x LDZ2`
			`.pointer/y LDZ2`
Replaced trivial multiplications with shifts and additions 2021-08-17 19:16:39 +00:00			`#01 [ .Mouse/state DEI #10 EQU DUP ADD ADD ]`
Progress on macros experiments 2021-04-22 22:57:40 +00:00			`;draw-line JSR2`
Cleaned a few examples 2021-04-29 04:00:39 +00:00
Added drawing to the mouse example 2021-04-22 18:08:06 +00:00			`( record last position )`
Renamed PEK/POK to LDZ/STZ 2021-05-11 18:14:52 +00:00			`.Mouse/x DEI2 .pointer/lastx STZ2`
			`.Mouse/y DEI2 .pointer/lasty STZ2`
			`.Mouse/state DEI .pointer/state STZ`
Added drawing to the mouse example 2021-04-22 18:08:06 +00:00
			`BRK`

Ported mouse example 2021-04-21 16:48:04 +00:00			`@draw-cursor ( -- )`

Cleaned example files 2021-05-13 01:28:45 +00:00			`;pointer_icn .Screen/addr DEO2`
Ported mouse example 2021-04-21 16:48:04 +00:00			`( clear last cursor )`
Renamed PEK/POK to LDZ/STZ 2021-05-11 18:14:52 +00:00			`.pointer/x LDZ2 .Screen/x DEO2`
			`.pointer/y LDZ2 .Screen/y DEO2`
Migrated Screen/color to Screen/pixel and/or Screen/sprite 2021-07-31 20:58:33 +00:00			`#40 .Screen/sprite DEO`
Cleaned a few examples 2021-04-29 04:00:39 +00:00
Ported mouse example 2021-04-21 16:48:04 +00:00			`( record pointer positions )`
Renamed PEK/POK to LDZ/STZ 2021-05-11 18:14:52 +00:00			`.Mouse/x DEI2 .pointer/x STZ2`
			`.Mouse/y DEI2 .pointer/y STZ2`
Cleaned a few examples 2021-04-29 04:00:39 +00:00
Ported mouse example 2021-04-21 16:48:04 +00:00			`( draw new cursor )`
Renamed PEK/POK to LDZ/STZ 2021-05-11 18:14:52 +00:00			`.pointer/x LDZ2 .Screen/x DEO2`
			`.pointer/y LDZ2 .Screen/y DEO2`
Replaced trivial multiplications with shifts and additions 2021-08-17 19:16:39 +00:00			`#43 .Mouse/state DEI #00 NEQ DUP ADD SUB .Screen/sprite DEO`
Ported mouse example 2021-04-21 16:48:04 +00:00
			`RTN`

Progress on macros experiments 2021-04-22 22:57:40 +00:00			`@draw-line ( x1 y1 x2 y2 color -- )`
Added drawing to the mouse example 2021-04-22 18:08:06 +00:00
Renamed PEK/POK to LDZ/STZ 2021-05-11 18:14:52 +00:00			`( load ) .color STZ .line/y0 STZ2 .line/x0 STZ2 .line/y STZ2 .line/x STZ2`
			`.line/x0 LDZ2 .line/x LDZ2 SUB2 ABS2 .line/dx STZ2`
			`.line/y0 LDZ2 .line/y LDZ2 SUB2 ABS2 #0000 SWP2 SUB2 .line/dy STZ2`
Optimised MUL2 by powers of 2 to SFT2 2021-05-24 21:52:11 +00:00			`#ffff #00 .line/x LDZ2 .line/x0 LDZ2 LTS2 2** ADD2 .line/sx STZ2`
			`#ffff #00 .line/y LDZ2 .line/y0 LDZ2 LTS2 2** ADD2 .line/sy STZ2`
Renamed PEK/POK to LDZ/STZ 2021-05-11 18:14:52 +00:00			`.line/dx LDZ2 .line/dy LDZ2 ADD2 .line/e1 STZ2`
Added drawing to the mouse example 2021-04-22 18:08:06 +00:00			`&loop`
Renamed PEK/POK to LDZ/STZ 2021-05-11 18:14:52 +00:00			`.line/x LDZ2 .Screen/x DEO2`
			`.line/y LDZ2 .Screen/y DEO2`
Migrated Screen/color to Screen/pixel and/or Screen/sprite 2021-07-31 20:58:33 +00:00			`.color LDZ .Screen/pixel DEO`
Renamed PEK/POK to LDZ/STZ 2021-05-11 18:14:52 +00:00			`[ .line/x LDZ2 .line/x0 LDZ2 EQU2 ]`
			`[ .line/y LDZ2 .line/y0 LDZ2 EQU2 ] #0101 EQU2 ,&end JCN`
Optimised MUL2 by powers of 2 to SFT2 2021-05-24 21:52:11 +00:00			`.line/e1 LDZ2 2** .line/e2 STZ2`
Renamed PEK/POK to LDZ/STZ 2021-05-11 18:14:52 +00:00			`.line/e2 LDZ2 .line/dy LDZ2 LTS2 ,&skipy JCN`
			`.line/e1 LDZ2 .line/dy LDZ2 ADD2 .line/e1 STZ2`
			`.line/x LDZ2 .line/sx LDZ2 ADD2 .line/x STZ2`
Added drawing to the mouse example 2021-04-22 18:08:06 +00:00			`&skipy`
Renamed PEK/POK to LDZ/STZ 2021-05-11 18:14:52 +00:00			`.line/e2 LDZ2 .line/dx LDZ2 GTS2 ,&skipx JCN`
			`.line/e1 LDZ2 .line/dx LDZ2 ADD2 .line/e1 STZ2`
			`.line/y LDZ2 .line/sy LDZ2 ADD2 .line/y STZ2`
Added drawing to the mouse example 2021-04-22 18:08:06 +00:00			`&skipx`
Removed LTS/GTS opcodes 2021-05-01 16:59:57 +00:00			`;&loop JMP2`
Added drawing to the mouse example 2021-04-22 18:08:06 +00:00			`&end`

			`RTN`

Cleaned a few examples 2021-04-29 04:00:39 +00:00			`@pointer_icn [ 80c0 e0f0 f8e0 1000 ]`