Coder - The exchange of the two memory areas.

24 июля 1998

   2) This procedure though not the
fast (still faster than the ZX
Revue, but the most simple. In the HL set
first address in DE - second in the BC -
length.


EXCH LD HL, SOURCE1

       LD DE, SOURCE2

       LD BC, LEN
EXC1 LD A, (DE)

       LDI

       DEC HL

       LD (HL), A

       INC HL

       JP PE, EXC1

       RET