Question

Write a program to perform the following task:
1) Read a line of text the keywords(less than 40 characters).
2) Save to the USB Driver
3)read the file from the driver
4) clear the screen and display the text on the first line of the screen.

Answer 1

PGM2CD SEGMENT

MAIN PROC FAR

;HOUSEKEEPING SECTION
ASSUME CS:PGM2CD,DS:PGM2DA,SS:PGM1SK
MOV AX,PGM2DA ; ESTABLISH ADDRESSABILITY
MOV DS,AX ; TO PGM1DA - THE PGM'S DATA SEGMENT

;MAIN PROCESS SECTION
XOR AX,AX
XOR BX,BX
XOR CX,CX
XOR DX,DX

MOV AH,3CH
MOV DX,OFFSET DATA
INT 21H

MOV BX,AX
XOR DX,DX
MOV AH,0AH
MOV DX,OFFSET BUFFET1
MOV BUFFET1,40
INT 21H

XOR DX,DX
MOV AH,40H
MOV CX,40
MOV DX,OFFSET BUFFET1
INT 21H

MOV AH,3EH
INT 21H

MOV AH,3DH
MOV AL,0
MOV DX,OFFSET DATA
INT 21H

MOV BX,AX
MOV AH,3FH
MOV CX,40
MOV DX,OFFSET BUFFET2
INT 21H

MOV AH, 3EH
INT 21H

XOR CX,CX
MOV CX,40
MOV AH,0AH
INT 21H

MOV CX,2000
XOR DX,DX
XOR AX,AX

MODEL: MOV AH,06H
MOV DL,20H
INT 21H
LOOP MODEL

XOR CX,CX
MOV CX,40

FILE: MOV AH,06H

MOV DX,OFFSET BUFFET2
ADD DL,1
LOOP FILE
INT 21H


; RETURN TO DOS SECTION

MOV AL,0 ; SET 0 AS THE RETURN CODE FOR DOS
MOV AH,4CH ; SET FOR DOS END PROCESS FUNTION
INT 21H ; CALL DOS TO END PROGRAM

MAIN ENDP

PGM2CD ENDS

;PROGRAM DATA SEGMENT

PGM2DA SEGMENT

DATA DB 'READ',0
BUFFET1 DB 42 DUP (?)
BUFFET2 DB 42 DUP (?)


PGM2DA ENDS

;PROGRAM STACK SEGMENT

PGM1SK SEGMENT PARA STACK 'STACK'

DW 32 DUP (?)

PGM1SK ENDS
END

Answer 2

only need help with last part (question 4 which i'm bit) and i already finish those 3 tasks and already finish writing the programming.

Answer 3

never mind already found the answer