; CALCOFF.ASM  v1.0 for the TI-82
; Ported from the TI-83 by Matt A.
; Turns your ti-82 calculator off!

#include "ti82.h"
#include "keys.inc"
.org START_ADDR
.DB "CalcOFF ported by Matt A.",0

OFF:
        DI                 ; disable interrupts
        LD A,001H
        OUT (003H),A       ; turn off screen
        LD A,000H
        OUT (004H),A
        EX AF,AF'
        EXX
        EI                 ; enable interrupts
        RET                

.end