a: debug
-F 200 L1000 0 enter
-A CS:100 enter
(-xxxx:0100)MOV AX,301 enter
(-xxxx:0103)Mov BX,200 enter
(-xxxx:0106)Mov CX,1 enter
(-xxxx:0109)MOV DX,80 enter (80 is for hd1)
(-xxxx:010C)INT 13 enter
(-xxxx:010E)INT 20 enter
(-xxxx:0110) enter <---Blank line"important"
-G
Program terminated normally
ctrl-alt-del to reboot system
Then run a fdisk and partition your hdd
then reboot and format c:
