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(terminal.tal) Created a basic terminal example

neauoire authored on 20/12/2021 19:16:09
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projects/examples/gui/terminal.tal
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+( gui/terminal )
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+
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+%+  { ADD }  %-  { SUB }  %*  { MUL }  %/  { DIV }
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+%<  { LTH }  %>  { GTH }  %=  { EQU }  %!  { NEQ }
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+%++ { ADD2 } %-- { SUB2 } %** { MUL2 } %// { DIV2 }
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+%<< { LTH2 } %>> { GTH2 } %== { EQU2 } %!! { NEQ2 }
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+
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+( devices )
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+
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+|00 @System     [ &vector $2 &pad    $6 &r      $2 &g     $2 &b      $2 ]
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+|20 @Screen     &vector $2 &width   $2 &height $2 &auto  $1 &pad   $1 &x     $2 &y $2 &addr $2 &pixel $1 &sprite $1
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+|80 @Controller [ &vector $2 &button $1 &key    $1 ]
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+
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+( variables )
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+
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+|0000
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+
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+@buffer $80
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+
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+( init )
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+
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+|0100 ( -> )
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+
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+	( theme )
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+	#0f0f .System/r DEO2
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+	#0ff0 .System/g DEO2
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+	#00ff .System/b DEO2
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+
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+	( vectors )
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+	;on-button .Controller/vector DEO2
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+
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+	( AUTO-Y-ADDR )
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+	#06 .Screen/auto DEO
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+
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+	#01 ;draw-input JSR2
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+
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+BRK
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+
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+@on-button ( -> )
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+
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+	.Controller/key DEI
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+	DUP #00 ! ,&no-null JCN
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+		POP BRK
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+		&no-null
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+	DUP #0d ! ,&no-enter JCN
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+		#00 ;draw-input JSR2
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+		;validate JSR2
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+		;buffer #0080 ;mclr JSR2
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+		#01 ;draw-input JSR2
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+		&no-enter
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+	DUP #08 ! ,&no-backspace JCN
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+		#00 ;draw-input JSR2
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+		;buffer ;spop JSR2
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+		#01 ;draw-input JSR2
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+		&no-backspace
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+	DUP STHk #1f > STHr #7b < #0101 !! ,&no-valid JCN
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+	;buffer ;slen JSR2 #007f >> ,&no-valid JCN
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+		STHk ;buffer STHr ;sput JSR2
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+		#01 ;draw-input JSR2
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+		&no-valid
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+	POP
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+
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+BRK
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+
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+@validate ( -- )
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+
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+	#0010 .Screen/x DEO2
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+	.Screen/height DEI2 #0040 -- .Screen/y DEO2
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+
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+	( clear )
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+	#8000
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+	&loop
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+		#30 #00 ;draw-char JSR2
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+		INC GTHk ,&loop JCN
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+	POP2
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+	#0010 .Screen/x DEO2
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+
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+	( respond )
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+	;strings/you-said #02 ;draw-str JSR2
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+	LIT 22 #02 ;draw-char JSR2
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+	;buffer #03 ;draw-str JSR2
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+	LIT 22 #02 ;draw-char JSR2
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+	LIT '. #02 ;draw-char JSR2
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+
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+JMP2r
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+
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+@draw-input ( color -- )
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+
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+	STH
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+	#0010 .Screen/x DEO2
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+	.Screen/height DEI2 #0020 -- .Screen/y DEO2
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+
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+	( marker ) LIT '> #03 ;draw-char JSR2
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+
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+	;buffer STHr ;draw-str JSR2
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+
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+JMP2r
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+
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+@draw-str ( str* color -- )
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+
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+	STH
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+	&while
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+		LDAk STHkr ,draw-char JSR
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+		INC2 LDAk ,&while JCN
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+	POP2
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+	POPr
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+
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+JMP2r
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+
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+@draw-char ( char color -- )
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+
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+	SWP
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+	[ #20 - #00 SWP #40 SFT2 ;font ++ ] .Screen/addr DEO2
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+	.Screen/sprite DEOk DEO
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+	.Screen/y DEI2 #0010 -- .Screen/y DEO2
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+	.Screen/x DEI2 #0008 ++ .Screen/x DEO2
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+
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+JMP2r
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+
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+( utils )
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+
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+@slen ( str* -- len* )
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+
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+	DUP2 ,scap JSR SWP2 --
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+
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+JMP2r
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+
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+@scap ( str* -- str-end* )
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+
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+	( clamp ) LDAk #00 ! JMP JMP2r
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+	&while INC2 LDAk ,&while JCN
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+
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+JMP2r
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+
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+@sput ( str* char -- )
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+
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+	ROT ROT ,scap JSR STA
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+
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+JMP2r
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+
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+@spop ( str* -- )
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+
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+	( clamp ) LDAk #00 ! JMP JMP2r
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+	#00 ROT ROT ,scap JSR #0001 -- STA
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+
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+JMP2r
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+
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+@mclr ( addr* len* -- )
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+
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+	OVR2 ++ SWP2
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+	&loop
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+		STH2k #00 STH2r STA
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+		INC2 GTH2k ,&loop JCN
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+	POP2 POP2
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+
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+JMP2r
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+
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+@strings
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+	&you-said "You 20 "said 20 $1
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+
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+@font ( terminus01x02 )
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