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