uxn/projects/examples/demos/rule110.tal

( devices )

( uxnasm rule110.tal rule110.rom && uxnemu rule110.rom )

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

%2*  { #10 SFT } %2/  { #01 SFT } %2**  { #10 SFT2 } %2//  { #01 SFT2 }
%4*  { #20 SFT } %4/  { #02 SFT } %4**  { #20 SFT2 } %4//  { #02 SFT2 }
%8*  { #30 SFT } %8/  { #03 SFT } %8**  { #30 SFT2 } %8//  { #03 SFT2 }
%10* { #40 SFT } %10/ { #04 SFT } %10** { #40 SFT2 } %10// { #04 SFT2 }
%20* { #50 SFT } %20/ { #05 SFT } %20** { #50 SFT2 } %20// { #05 SFT2 }

%2MOD  { #01 AND } %2MOD2  { #0001 AND2 }
%4MOD  { #03 AND } %4MOD2  { #0003 AND2 }
%8MOD  { #07 AND } %8MOD2  { #0007 AND2 }
%10MOD { #0f AND } %10MOD2 { #000f AND2 }

%ROL2 { DUP2 #0f SFT2 SWP2 #10 SFT2 ++ }
%ROR2 { DUP2 #f0 SFT2 SWP2 #01 SFT2 ++ }

%DEBUG      { ;print-hex/byte JSR2 #0a18 DEO }
%DEBUG2     { ;print-hex JSR2 #0a18 DEO }
%RTN        { JMP2r }

%WIDTH { #0020 }
%STEPS { #30 }

|00 @System  [ &vector $2 &pad  $6  &r $2  &g $2  &b $2 ]
|20 @Screen  [ &vector $2 &width $2 &height $2 &auto $1 &pad $1 &x $2 &y  $2 &addr $2 &pixel $1 &sprite $1 ]
|90 @Mouse      [ &vector $2 &x        $2 &y      $2 &state $1 &wheel $1 ]

|0000

@input 

|0100

	( set system colors )
	#0ff7 .System/r DEO2
	#0f0e .System/g DEO2
	#0f0c .System/b DEO2

	;on-mouse   .Mouse/vector DEO2

	( set size )
	#0080 .Screen/width DEO2
	#0180 .Screen/height DEO2

	( seed ) #0001 ;input STA2

	,render JSR

BRK

@render ( -- )

	STEPS #00
	&loop
		( update )
		DUP 2* LDZ2k 
		;rule-110 JSR2 
		ROT INC INC STZ2
		( draw )
		DUP ,draw-line JSR
		INC GTHk ,&loop JCN
	POP2

RTN

@draw-line ( line -- )

	STHk #00 SWP 8** .Screen/y DEO2
	#1000
	&loop
		DUP #00 SWP 8** .Screen/x DEO2
		( shift ) INCk #10 SWP -
		( get address ) STHkr 2* LDZ2
		( bit ) ROT SFT2 #0001 AND2 
		( get sprite ) 8** ;cell-icns ++ .Screen/addr DEO2
		#01 STHkr #00 = + .Screen/sprite DEO
		INC GTHk ,&loop JCN
	POP2
	POPr

RTN

@rule-110 ( value* -- value* )

	#0000 ,&res STR2
	ROL2 STH2
	#1000
	&loop
		( get 3-bits ) STH2kr #e000 AND2 #0d SFT2 ;rule ++ LDA STH
		( get result ) DUP #40 SFT #00 STHr ROT SFT2
		( reset ) ROR2 ROR2 ROR2
		( save ) ,&res LDR2 ++ ,&res STR2
		STH2r ROR2 STH2
		INC GTHk ,&loop JCN
	POP2
	POP2r

	,&res LDR2

RTN
	&res $2

@rule
	00 01 01 01 00 01 01 00

@on-mouse ( -> )
	
	( clear last cursor )
	;mouse-icn .Screen/addr DEO2 
	,&x LDR2 .Screen/x DEO2 
	,&y LDR2 .Screen/y DEO2 
	#40 .Screen/sprite DEO

	( record pointer positions )
	.Mouse/x DEI2 DUP2 ,&x STR2 .Screen/x DEO2
	.Mouse/y DEI2 DUP2 ,&y STR2 .Screen/y DEO2 

	( colorize on state )
	#43 [ .Mouse/state DEI #00 ! ] - .Screen/sprite DEO

	( on click )
	.Mouse/state DEI #00 ! JMP BRK

	( toggle bit )
	.input LDZ2k
		#0001 .Mouse/x DEI2 8// #000f SWP2 -- NIP #40 SFT SFT2 EOR2 
		ROT STZ2
	;render JSR2
	( release ) #00 .Mouse/state DEO

BRK
	&x $2 &y $2

@print-hex ( value* -- )
	
	SWP ,&byte JSR 
	&byte ( byte -- )
		STHk #04 SFT ,&parse JSR #18 DEO
		STHr #0f AND ,&parse JSR #18 DEO
	RTN
	&parse ( byte -- char ) DUP #09 GTH ,&above JCN #30 + RTN 
	&above #57 + RTN

RTN

@mouse-icn
	80c0 e0f0 f8e0 1000

@cell-icns
	7c82 8282 8282 7c00
	7cfe fefe fefe 7c00