(汇编语言)十六进制转换十进制.doc

datasegment
datdb0dh,0ah,'$'
dataends
codesegment
assumecs:code,ds:data
start:
movax,data
movds,ax
movdl,16
movcx,2
movbx,0
lp:
movah,01h
int21h
cmpal,3ah
jlnext
subal,07h
jmpnext
next:
subal,30h
cbw
xchgax,bx
muldl
xchgax,bx
addbx,ax
looplp
leadx,dat
movah,09h
int21h
movcx,8
lp1:
testbx,80h
jnznext1
movdl,'0'
movah,02h
int21h
jmpnext2
next1:
movdl,'1'
movah,02h
int21h
next2:
shlbx,1
looplp1
jcxzexit
exit:
movah,4ch
int21h
codeends
endstart