Programming:Reverse A

This routine will return the reverse order of register A.

;
;- Reverse a
;Input:		A
;Output:	Reversed A
;Destroys:	B
;Length: 	18 bytes
;Author: 	calcmaniac84
;
ReverseA:
	ld b,a
	rrca
	rrca
	xor b
	and %10101010
	xor b
	ld b,a
	rrca
	rrca
	rrca
	rrca
	xor b
	and %01100110
	xor b
	rrca
	ret