8086 Motor Code

DATA SEGMENT
 PORTA EQU 00H
 PORTB EQU 02H
 PORTC EQU 04H
 PORT_CON EQU 06H
DATA ENDS
CODE SEGMENT
 MOV AX,DATA
 MOV DS, AX

ORG 0000H

START:
 MOV DX, PORT_CON
 MOV AL, 10000000B
 OUT DX, AL

 JMP XX

XX:
 MOV AL, 03H ; At 0 degree
 MOV DX, PORTA
 OUT DX,AL
 MOV CX,0DF36H; Delay
Delay0:loop Delay0

 MOV AL, 0BH  ; At 45 degree
 MOV DX, PORTA
 OUT DX,AL
 MOV CX,0DF36H; Delay
Delay1:loop Delay1

 MOV AL, 0AH  ;At 90 degree
 MOV DX, PORTA
 OUT DX,AL
 MOV CX,0DF36H; Delay
Delay2:loop Delay2

 MOV AL, 0EH  ; At 135 degree
 MOV DX, PORTA
 OUT DX,AL
 MOV CX,0DF36H; Delay
Delay3:loop Delay3

 MOV AL, 0CH  ; At 180 degree
 MOV DX, PORTA
 OUT DX,AL
 MOV CX,0DF36H; Delay
Delay4:loop Delay4

 MOV AL, 0DH   ;At 225 degree
 MOV DX, PORTA
 OUT DX,AL
 MOV CX,0DF36H; Delay
Delay5:loop Delay5

 MOV AL, 05H  ;At 270 degree
 MOV DX, PORTA
 OUT DX,AL
 MOV CX,0DF36H; Delay
Delay6:loop Delay6

 MOV AL, 07H  ;At 315 degree
 MOV DX, PORTA
 OUT DX,AL
 MOV CX,0DF36H; Delay
Delay7:loop Delay7

 MOV AL, 03H  ;At 360 degree
 MOV DX, PORTA
 OUT DX,AL
 MOV CX,0DF36H; Delay
Delay8:loop Delay8

JMP XX

JMP START

CODE ENDS
END