中国DOS联盟论坛

China DOS Union

-- Unite DOS · Advance DOS · Grow DOS --
Union site: www.cn-dos.net Forum site: www.cn-dos.net/forum
Guest | Log in | Register | Members | Search | China DOS Union
中国DOS联盟论坛
The time now is 2026-08-13 00:42
47,811 topics / 349,897 posts / today 0 new / 48,256 members
DOS学习入门 & 精彩文章 (教学室) » Back up the hard disk master boot partition to a file with DEBUG
Printable Version  2,713 / 16
Floor1 playboy2925 Posted 2003-02-26 00:00
银牌会员 Posts 393 Credits 1,275
C:\DOS>DEBUG
-a100
1078:0100 mov ax,0201 ; 02 = read, 01 = number of sectors to read
1078:0103 mov bx,0200 ; after reading, place it at 0200 in memory
1078:0106 mov cx,0001 ; 00 = track number, 01 = starting sector number
1078:0109 mov dx,0080 ; 00 = head 0, 80 means hard disk
1078:010C int 13 ; BIOS disk interrupt
1078:010E int 20 ; end
1078:0110 ^C
-g=100 ; execute from 0100
Program terminated normally ; program display
-rcx ; the CX register defines the size of the saved file
CX 0000 ; set file size
:300 ; 300H = 768 bytes
-n mainboot.dat ; save to file mainboot.dat
-w ; write file
Writing 00300 bytes ; program display
-q ; quit DEBUG
Floor2 jsxrs Posted 2003-03-04 00:00
初级用户 Posts 1 Credits 97
OK, thanks!!!
Floor3 末学 Posted 2003-03-17 00:00
初级用户 Posts 2 Credits 116
OK, thanks!!!
Floor4 lkkl Posted 2003-03-20 00:00
初级用户 Posts 3 Credits 113
Good stuff...

I'll take it...

Thanks, brother...
Floor5 mchdos Posted 2003-03-26 00:00
初级用户 Posts 5 Credits 115 From 渐江
Just what I needed.
Many thanks, brother.

Thanks!!!!!!!!!!
Floor6 anywayhere Posted 2003-05-18 00:00
初级用户 Posts 3 Credits 112
Floor7 superdos Posted 2003-06-11 00:00
中级用户 Posts 43 Credits 272
Floor8 pizigao Posted 2003-06-11 00:00
银牌会员 Posts 292 Credits 1,063
Why not use kv3000? This is too complicated, boss!!!
Floor9 sstone Posted 2003-06-11 00:00
初级用户 Posts 1 Credits 107
OK, thanks!!!
Floor10 丁丁猫 Posted 2003-06-11 00:00
初级用户 Posts 1 Credits 105
I'm new here, please take care of me
Floor11 mofashi Posted 2003-06-11 00:00
初级用户 Posts 8 Credits 135
OK, thanks!!!
Floor12 bgn Posted 2003-06-19 00:00
中级用户 Posts 78 Credits 349
You're welcome, I'll take it.
Thank you.
Floor13 wrh Posted 2003-06-19 00:00
初级用户 Posts 2 Credits 109
Floor14 myfilm Posted 2003-06-21 00:00
初级用户 Posts 8 Credits 137
OK, thanks!!!
Floor15 myfilm Posted 2003-06-21 00:00
初级用户 Posts 8 Credits 137
Can't see the content below?
1 2  Next
[ Contact the Union admin team - 中国DOS联盟 - Standard version ]
Sponsored by ifanr Inc | © 2001–2023