( font )

%+  { ADD } %-   { SUB }  %*  { MUL }  %/  { DIV }
%<  { LTH } %>   { GTH }  %=  { EQU }  %!  { NEQ }
%++ { ADD2 } %-- { SUB2 } %** { MUL2 } %// { DIV2 }
%<< { LTH2 } %>> { GTH2 } %== { EQU2 } %!! { NEQ2 }

%RTN { JMP2r }
%TOS { #00 SWP }
%INCR { SWP #01 ADD SWP }
%GET-ITERATORS { SWP2k POP SWP POP }

%DEBUG  { ;print-hex JSR2 #0a .Console/write DEO }
%DEBUG2 { SWP ;print-hex JSR2 ;print-hex JSR2 #0a .Console/write DEO }

( devices )

|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 &pad   $2 &x      $2 &y $2 &addr $2 &color $1 ]
|80 @Controller [ &vector $2 &button $1 &key    $1 ]
|a0 @File       [ &vector $2 &success $2 &offset $2 &pad $2 &name $2 &length $2 &load $2 &save $2 ]

( variables )

|0000

@position
	&x $2
	&y $2

( init )

|0100 ( -> )

	( theme ) 
	#0f73 .System/r DEO2 
	#0fe3 .System/g DEO2 
	#0fc3 .System/b DEO2

	( load font )
	#4000 .File/length DEO2
	;fontpath .File/name DEO2
	;font-data .File/load DEO2

	#0000 #0030 ;sometext #21 ;draw-uf3 JSR2
	
BRK

@draw-uf3 ( x* y* text* color -- )
		
	STH 
	STH2
	.Screen/y DEO2
	.Screen/x DEO2
	STH2r
	&loop
		LDAk #0a ! ,&no-linebreak JCN
			#0000 .Screen/x DEO2
			.Screen/y DEI2 #0018 ++ .Screen/y DEO2
		&no-linebreak
		LDAk STHkr ;draw-letter3 JSR2
		#0001 ++
		LDAk ,&loop JCN
	POP2
	POPr

RTN

@draw-letter3 ( char color -- )
	
	POP 

	DUP TOS #0048 ** ;font-data #0100 ++ ++ .Screen/addr DEO2

	.Screen/x DEI2 .position/x STZ2
	.Screen/y DEI2 .position/y STZ2

	#00 #03
	&ver
		#00 #03
		&hor
			GET-ITERATORS
			TOS #0008 ** .position/y LDZ2 ++ .Screen/y DEO2
			TOS #0008 ** .position/x LDZ2 ++ .Screen/x DEO2
			#21 .Screen/color DEO
			.Screen/addr DEI2 #0008 ++ .Screen/addr DEO2
			INCR
			LTHk ,&hor JCN
		POP2

		INCR
		LTHk ,&ver JCN
	POP2

	TOS ;font-data ++ LDA TOS .position/x LDZ2 ++ .Screen/x DEO2

	.position/y LDZ2 .Screen/y DEO2

RTN

@draw-label ( x* y* text* color -- )
		
	STH 
	STH2
	.Screen/y DEO2
	.Screen/x DEO2
	STH2r
	&loop
		LDAk #0a ! ,&no-linebreak JCN
			#0000 .Screen/x DEO2
			.Screen/y DEI2 #0010 ++ .Screen/y DEO2

		&no-linebreak
		LDAk STHkr ;draw-letter JSR2
		#0001 ++
		LDAk ,&loop JCN
	POP2
	POPr

RTN

@draw-letter ( char color -- )

	STH

	STHk TOS #0020 ** ;font-data #0100 ++ ++ .Screen/addr DEO2
	OVRr STHr .Screen/color DEO

	.Screen/y DEI2 #0008 ++ .Screen/y DEO2
	.Screen/addr DEI2 #0010 ++ .Screen/addr DEO2
	OVRr STHr .Screen/color DEO

	.Screen/x DEI2 #0008 ++ .Screen/x DEO2
	.Screen/addr DEI2 #0008 ++ .Screen/addr DEO2
	OVRr STHr .Screen/color DEO

	.Screen/y DEI2 #0008 -- .Screen/y DEO2
	.Screen/addr DEI2 #0010 -- .Screen/addr DEO2
	OVRr STHr .Screen/color DEO

	STHkr TOS ;font-data ++ LDA TOS .Screen/x DEI2 ++ #0008 -- .Screen/x DEO2

	POPr POPr

RTN

@draw-short ( short* color -- )

	STH SWP 
	DUP #04 SFT TOS #0008 ** ;font-hex ++ .Screen/addr DEO2
	( draw ) STHkr .Screen/color DEO
	#0f AND TOS #0008 ** ;font-hex ++ .Screen/addr DEO2
	.Screen/x DEI2 #0008 ++ .Screen/x DEO2
	( draw ) STHkr .Screen/color DEO
	DUP #04 SFT TOS #0008 ** ;font-hex ++ .Screen/addr DEO2
	.Screen/x DEI2 #0008 ++ .Screen/x DEO2
	( draw ) STHkr .Screen/color DEO
	#0f AND TOS #0008 ** ;font-hex ++ .Screen/addr DEO2
	.Screen/x DEI2 #0008 ++ .Screen/x DEO2
	( draw ) STHr .Screen/color DEO

RTN

@print-hex ( value -- )
	
	STHk #04 SFT ,&parse JSR .Console/write DEO
	STHr #0f AND ,&parse JSR .Console/write DEO
	RTN
	&parse ( value -- char )
		DUP #09 GTH ,&above JCN #30 ADD RTN &above #09 SUB #60 ADD RTN

RTN

@cursor 
	ffff ffff ffff ffff

@font-hex 
	003c 464a 5262 3c00 0018 0808 0808 1c00
	003c 4202 3c40 7e00 003c 421c 0242 3c00
	000c 1424 447e 0400 007e 407c 0242 3c00
	003c 407c 4242 3c00 007e 0204 0810 1000
	003c 423c 4242 3c00 003c 4242 3e02 3c00
	003c 4242 7e42 4200 007c 427c 4242 7c00
	003c 4240 4042 3c00 007c 4242 4242 7c00
	007e 4078 4040 7e00 007e 4078 4040 4000 

@sometext 
	4927 6c6c 206d 616b 6520 6120 736f 756e
	6420 7468 6174 2773 2073 6f20 616c 6f6e
	6520 0a74 6861 7420 6e6f 206f 6e65 2063
	616e 206d 6973 7320 6974 2c20 7468 6174
	2077 686f 6576 6572 200a 6865 6172 7320
	6974 2077 696c 6c20 7765 6570 2069 6e20
	7468 6569 7220 736f 756c 732c 200a 616e
	6420 6865 6172 7468 7320 7769 6c6c 2073
	6565 6d20 7761 726d 6572 2c20 0a61 6e64
	2062 6569 6e67 2069 6e73 6964 6520 7769
	6c6c 2073 6565 6d20 6265 7474 6572 200a
	746f 2061 6c6c 2077 686f 2068 6561 7220
	6974 2069 6e20 7468 6520 6469 7374 616e
	7420 746f 776e 732e 20 $1

@fontpath "projects/fonts/helvetica24.uf3

@font-data