x86

proc SonicCheckCollisionRight		;Checks if Sonic can move right, if he can it returns 1 in AX
	mov	ax, [SonicX]
	add	ax, 30			;Sonic's width
	cmp	ax, [MarioX]
	jne	sonicCanMoveRight
	mov	ax, 0
	jmp	endOfSCCR
sonicCanMoveRight:
	mov	ax, 1
endOfSCCR:	ret
endp SonicCheckCollisionRight

proc SonicCheckCollisionLeft		;Checks if Sonic can move left, if he can it returns 1 in AX
	mov	ax, [SonicX]
	cmp	ax, [MarioX]
	jne	sonicCanMoveLeft
	mov	ax, 0
	jmp	endOfSCCR
sonicCanMoveLeft:
	mov	ax, 1
endOfSCCR:	ret
endp SonicCheckCollisionLeft


proc MarioCheckCollisionRight		;Checks if Mario can move right, if he can it returns 1 in AX
	mov	ax, [MarioX]
	add	ax, 30			;Mario's width
	cmp	ax, [SonicX]
	jne	marioCanMoveRight
	mov	ax, 0
	jmp	endOfSCCR
marioCanMoveRight:
	mov	ax, 1
endOfSCCR:	ret
endp MarioCheckCollisionRight

proc MarioCheckCollisionLeft		;Checks if Mario can move left, if he can it returns 1 in AX
	mov	ax, [MarioX]
	cmp	ax, [SonicX]
	jne	marioCanMoveLeft
	mov	ax, 0
	jmp	endOfSCCR
marioCanMoveLeft:
	mov	ax, 1
endOfSCCR:	ret
endp MarioCheckCollisionLeft