STEPPER MOTOR INTERFACING

Program:

                OUTPUT 2500AD

                ORG 2000H

                MOV AX,0000H            

                 MOV AL,80H                

                MOV DX,0FFE6H          

                OUT DX,AL

                MOV  AL,88H            

                MOV  DX,0FFE0H  

LOOP:      OUT DX,AL

                  CALL  DELAY

                               

                  RCR  AL,1

                  JMP SHORT LOOP

DELAY:    MOV  CX,1500H           

SS:           LOOP SS

                RET

                END