Question

data segment BVAR DB 199H data ends code segment assume cs:code ds:data begin: mov ax,data mov ...

data segment
BVAR DB 199H
data ends
code segment
assume cs:code ds:data
begin:
mov ax,data
mov ds,ax
MOV AX,BVAR
SHR AL,4
MOV AH,10
MUL AH
AND BVAR,OFH
ADD BVAR,AL
code end
end start
有什么错误，快，急

Answer 1

data segment
BVAR Dw 199H
data ends
code segment
assume cs:code ,ds:data
begin:
mov ax,data
mov ds,ax
MOV AX,BVAR
mov cl,4
SHR AL,cl
MOV AH,10
MUL AH
AND BVAR,0FH
ADD BVAR,ax
mov ah,4ch
int 21h
code ends
end begin
这样就没错了
有好多错误好像

Answer 2

SHR AL,4 ==>mov cl,4 shr al,cl
MOV AH,10
MUL AH
AND BVAR,OFH =>mov dl,0fh and bvar,dl
ADD BVAR,AL
==>mov ax,4c00h int 21h
code end