home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The Mother of All Windows Books
/
CD-MOM.iso
/
cd_mom
/
utility
/
lang
/
batutil
/
stackey
/
flash.asm
< prev
next >
Wrap
Assembly Source File
|
1991-12-22
|
576b
|
22 lines
title FLASH.ASM
;Copyright (C) 1990 by B. Simon and R. M. Wilson, all rights reserved.
onlyseg segment
assume cs:onlyseg
begin: ;DO NOT RUN FROM DOS!!
mov es,ds:[40h] ;STACKEY stores the segment of the screen
call xorscreen ; memory at word ptr ds:[40h].
xor cx,cx
here: loop here
xorscreen: mov cx,8192
mov si,1
lp: xor byte ptr es:[si],07FH
inc si
inc si
loop lp
ret
onlyseg ends
end begin