( Dev/Controller )

%++ { #0001 ADD2 }
%-- { #0001 SUB2 }
%2/ { #0002 DIV2 }

( variables )

;slime { color 1 }

( devices )

|0100 ;System { vector 2 pad 6 r 2 g 2 b 2 }
|0120 ;Screen { vector 2 width 2 height 2 pad 2 x 2 y 2 addr 2 color 1 }
|0140 ;Controller { vector 2 button 1 key 1 }

|0200

	( theme ) #0daf =System.r #02ff =System.g #035f =System.b
	( vectors ) ,FRAME =Screen.vector
	
	( set origin )
	~Screen.width 2/ =Screen.x 
	~Screen.height 2/ =Screen.y
	,default_icn =Screen.addr
	#31 =Screen.color
	#2a =slime

BRK

@FRAME

	#2a =slime
	,default_icn =Screen.addr

	( hold ctrl key to change slime color )

	~Controller.button #0f AND
		DUP #01 NEQ ^$no-ctrl JNZ #25 =slime $no-ctrl
		DUP #02 NEQ ^$no-alt JNZ #2f =slime $no-alt
	POP

	( clear ) #30 =Screen.color

	( detect movement )
	~Controller.button #f0 AND
		DUP #04 SFT #01 AND #01 NEQ ^$no-up JNZ 
			( move ) ~Screen.y -- =Screen.y ,up_icn =Screen.addr $no-up
		DUP #05 SFT #01 AND #01 NEQ ^$no-down JNZ 
			( move ) ~Screen.y ++ =Screen.y ,down_icn =Screen.addr $no-down
		DUP #06 SFT #01 AND #01 NEQ ^$no-left JNZ 
			( move ) ~Screen.x -- =Screen.x ,left_icn =Screen.addr $no-left
		DUP #07 SFT #01 AND #01 NEQ ^$no-right JNZ 
			( move ) ~Screen.x ++ =Screen.x ,right_icn =Screen.addr $no-right
	POP

	( draw face )
	#31 =Screen.color

	( draw slime )
	,slime_icn =Screen.addr
	~slime =Screen.color

BRK

@default_icn [ 3c7e ffdb ffe7 7e3c ]
@up_icn      [ 2466 e7db ffff 7e3c ]
@down_icn    [ 3c7e ffff dbe7 6624 ]
@left_icn    [ 3c7e ef1f 1fef 7e3c ]
@right_icn   [ 3c7e f7f8 f8f7 7e3c ]
@slime_icn   [ 0000 183c 3c18 0000 ]