BLOCK TRANSFER OF DATA


.model small
.stack 64
.data
.code
start :    MOV AX,@DATA
MOV DS,AX
MOV SI,1000H
MOV DI,2000H
MOV CL,05H
again:    MOV AL,[SI]
MOV [DI],AL
INC SI
INC DI
DEC CL
JNZ again
END start
.end