BASIC I/O P1 SEBAGAI OUTPUT

Program I Transfer data Output per-bit

$mod51

CSEG

ORG  4000H

LJMP  START

ORG  4100H

START:

MOV  SP, #30H

SETB  P1.0

CLR  P1.1

SETB  P1.2

CLR  P1.3

SETB  P1.4

SETB  P1.5

SETB  P1.6

SETB  P1.7

SJMP  $

END

Program 2 Transfer data Output per-bit Cara Lain

$mod51

CSEG

ORG  4000H

LJMP  START

ORG  4100H

START:

MOV  SP, #30H

SETB  C

MOV  P1.0,C

MOV  P1.1,C

MOV  P1.2,C

MOV  P1.3,C

CLR  C

MOV  P1.4,C

MOV  P1.5,C

MOV  P1.6,C

MOV  P1.7,C

SJMP  $

END

Program 3 Transfer data Output per-byte

$mod51

CSEG

ORG  4000H

LJMP  START

ORG  4100H

START:

MOV  SP, #30H

MOV   P1, #0A3H

SJMP  $

END

Program 3 Transfer data Output per-byte

$mod51

CSEG

ORG  4000H

LJMP  START

ORG  4100H

START:

MOV  SP, #30H

MOV   A, #0C4H

MOV  P1, A

SJMP  $

END