; Initialize memory
    ld a, 1    ; Set flash page 1 in bank 1.
    out (6), a
    ld a, 41h ; Set ram page 1 in bank 2.
#ifndef TI83P
    out (5),a
    ld a,81h
    out (7),a
#else
    out (6), a
    out (7),a
#endif