cau 14 )
.MODEL SMELL
.STACK
.DATA
CHUOI1 DB "HAY NHAP MOT KY TU: $"
CHUOI2 DB 13,10, "KY TU DUNG TRUOC : $"
CHUOI3 DB 13,10, "KY TU DUONG SAU : $"
TRUOC DB ?
SAU DB ?
.CODE
MOV AH,9 ;HIEN THI CHUOI 1
MOV BX,SEG CHUOI1
MOV DS,BX
MOV DX,OFFSET CHUOI1
INT 21H
MOV AH,1 ;CHO NHAP TU BAN PHIEM
INT 21H
DEC AL ;GIAM 1
MOV TRUOC,AL
ADD AL,2 ;TANG 2
MOV SAU,AL
MOV AH,9 ;XUAT CHUOI2
MOV BX,SEG CHUOI2
MOV DS,BX
MOV DX,OFFSET CHUOI2
INT 21H
MOV AH,2 ;XUAT TRUOC
MOV DL, TRUOC
INT 21H
MOV AH,9 ;XUAT CHUOI3
MOV DX,SEG CHUOI3
MOV DS,BX
MOV DX,OFFSET CHUOI3
INT 21H
MOV AH,2 ;XUAT SAU
MOV DL,SAU
INT 21H
MOV AH,1 ;CHO NHAP TU BAN PHIEM
INT 21H
MOV AH,4CH ;DUNG CHUONG TRINH
INT 21H
END
cau 15)
.MODEL SMELL
.STACK
.DATA
CHUOI1 DB "NHAP KY TU 1: $"
CHUOI2 DB 13,10, "NHAP KY TU 2: $"
CHUOI3 DB 13,10, "KY TU TONG : $"
TONG DB ?
.CODE
MOV AH,9 ;XUAT CHUOI1
MOV BX,SEG CHUOI1
MOV DS,BX
MOV DX,OFFSET CHUOI1
INT 21H
MOV AH,1 ;CHO NHAP TU BAN PHIEM
INT 21H
MOV TONG,AL ;CHUYEN KY NHAP VAO TONG
MOV AH,9 ;XUAT CHUOI2
MOV BX,SEG CHUOI2
MOV DS,BX
MOV DX,OFFSET CHUOI2
INT 21H
MOV AH,1 ;CHO NHAP VAO BAN PHIEM
INT 21H
ADD TONG,AL ;CONG THEM KY TU NHAP VAO TONG
MOV AH,9 ;XUAT CHUOI3
MOV BX,SEG CHUOI3
MOV DS,BX
MOV DX,OFFSET CHUOI3
INT 21H
MOV AH,2 ;XUAT TONG
MOV DL,TONG
INT 21H
MOV AH,1 ;CHO NHAP TU BAN PHIEM
INT 21H
MOV AH,4CH ;DUNG CHUONG TRINH
INT 21H
END
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