C:\DOS>DEBUG
-n mainboot.dat ;load the backed-up data file
-l ;load
-a100
1078:0100 mov ax,0301 ;03 = write, 01 = number of sectors
1078:0103 mov bx,0200 ;start writing from 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
-q ;quit DEBUG
-n mainboot.dat ;load the backed-up data file
-l ;load
-a100
1078:0100 mov ax,0301 ;03 = write, 01 = number of sectors
1078:0103 mov bx,0200 ;start writing from 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
-q ;quit DEBUG



