|
|
马上注册,结交更多好友,享用更多功能^_^
您需要 登录 才可以下载或查看,没有账号?立即注册
x
assume cs:codesg,ds:datasg& q( L0 ]6 S, o- U' h
datasg segment6 |' X. G: w3 w6 M$ q
db '1.ibm '
7 g2 z: G G/ r5 B0 G( d- ^9 S9 w* U db '2.dec '& z+ T5 C: `- l6 I! p( A
db '3.dos '
, z% v; K0 i3 W( [4 W @datasg ends( a# v4 ^ a: s; z" y9 f% v
4 C! Z4 C4 Q6 e+ R$ }8 z1 I
codesg segment$ ^- I! M. D- F9 n7 e1 c
start: mov ax,datasg2 O+ l/ o' A9 n6 d6 `8 D: i
mov ds,ax, h, W0 U9 _1 [1 \
mov bx,0" L, B5 J5 z1 q: D; R9 _2 C6 j
, u; u9 y7 l2 {: \1 t# n; S- C mov cx,3+ F" \, H4 r1 z9 @! E7 t* C' L
s: mov al,[bx+2]
( K r/ ]8 ?3 ~+ H! P and al,11011111b
: D% M$ O6 ~$ c' t6 W& T8 ] mov [bx+2],al. Q* P' O$ K) w% o
add bx,16
# {* q9 [" b2 w% ~# L! K loop s
( A7 _$ t$ M M; N & V& a% u. [! a) |, @2 w
mov ax,4c00h
4 v2 ^% a& u Y+ ?5 { int 21h; p4 t& V8 E: X3 ?$ o3 V
codesg ends, k7 S) K, {4 X- u% N, f
end start B) i/ x4 ~" U4 E, i0 L
|
|