db $42
JMP Mario : JMP Mario : JMP Mario : JMP End : JMP End : JMP End : JMP End : JMP Mario : JMP Mario : JMP Mario

Mario: 	LDA $19				; \ If the player is not small...
	BEQ Label_0000			; /
	LDA #$30				; \ Make this block solid.
	STA $1693				; |
	LDY #$01				; /
	BRA Label_0001
	Label_0000: 
	LDA #$25				; \ Make this block passable.
	STA $1693				; |
	LDY #$00				; /
	Label_0001:				; > --------

End:
	RTL