@@ -20,5 +20,5 @@ cc -std=c89 -DDEBUG -Wall -Wno-unknown-pragmas -Wpedantic -Wshadow -Wextra -Werr

 # cc uxn.c emulator.c -std=c89 -Os -DNDEBUG -g0 -s -Wall -Wno-unknown-pragmas -L/usr/local/lib -lSDL2 -o bin/emulator

 # run

-./bin/assembler projects/software/noodle.usm bin/boot.rom

+./bin/assembler projects/software/left.usm bin/boot.rom

 ./bin/emulator bin/boot.rom

@@ -3,7 +3,6 @@

 %++ { #0001 ADD2 }

 %-- { #0001 SUB2 }

 %2/ { #0002 DIV2 }

-%JMC2  { ROT JMP2? POP2 }

 ;slime { color 1 }

@@ -27,21 +26,21 @@ BRK

 	( hold ctrl key to change slime color )

 	~Controller.buttons #0f AND

-		DUP #01 NEQ ,$no-ctrl JMC2 #05 =slime $no-ctrl

-		DUP #02 NEQ ,$no-alt JMC2 #0f =slime $no-alt

+		DUP #01 NEQ ,$no-ctrl ROT JMP2? #05 =slime $no-ctrl

+		DUP #02 NEQ ,$no-alt ROT JMP2? #0f =slime $no-alt

 	POP

 	( clear ) #10 =Sprite.color

 	( detect movement )

 	~Controller.buttons #f0 AND

-		DUP #04 SHR #01 AND #01 NEQ ,$no-up JMC2 

+		DUP #04 SHR #01 AND #01 NEQ ,$no-up ROT JMP2? 

 			( move ) ~Sprite.y -- =Sprite.y ,up_icn =Sprite.addr $no-up

-		DUP #05 SHR #01 AND #01 NEQ ,$no-down JMC2 

+		DUP #05 SHR #01 AND #01 NEQ ,$no-down ROT JMP2? 

 			( move ) ~Sprite.y ++ =Sprite.y ,down_icn =Sprite.addr $no-down

-		DUP #06 SHR #01 AND #01 NEQ ,$no-left JMC2 

+		DUP #06 SHR #01 AND #01 NEQ ,$no-left ROT JMP2? 

 			( move ) ~Sprite.x -- =Sprite.x ,left_icn =Sprite.addr $no-left

-		DUP #07 SHR #01 AND #01 NEQ ,$no-right JMC2 

+		DUP #07 SHR #01 AND #01 NEQ ,$no-right ROT JMP2? 

 			( move ) ~Sprite.x ++ =Sprite.x ,right_icn =Sprite.addr $no-right

 	POP

@@ -47,7 +47,7 @@ BRK

 		( load ) ~editor.addr ~Mouse.y ~editor.y1 SUB2 #0008 DIV2 ADD2 LDR

 		( mask ) #01 #07 ~Mouse.x ~editor.x1 SUB2 #0008 DIV2 SWP POP SUB SHL 

-		XOR

+		ORA

 		( save ) ~editor.addr ~Mouse.y ~editor.y1 SUB2 #0008 DIV2 ADD2 STR

 		,draw-window JSR2