Search found 5 matches

by axneer
Sun Aug 09, 2009 12:43 pm
Forum: Beginning OS Development
Topic: 7c00
Replies: 5
Views: 10646

Re: 7c00

i got it..
thanks for the link..
by axneer
Sun Aug 09, 2009 12:27 pm
Forum: News Discussion
Topic: OSDev Series Revision 3
Replies: 4
Views: 19490

Re: OSDev Series Revision 3

Hey......
I am saying int 12 is correct. It is int 16 that got printed there
(in the very last big program). it is a typo error .i just thought to bring it to ur notice in upgradation
:(
by axneer
Sun Aug 09, 2009 6:36 am
Forum: Beginning OS Development
Topic: 7c00
Replies: 5
Views: 10646

Re: 7c00

hi mike...thanks for the reply... but i am still cofused ...as... if [cs:ip]-->0000:7c00 is converted to linear address then it will be--> 07c00-->0000 0111 1100 0000 0000 (20 bits to be sent on add bus ) if [cs:ip]-->7c00:0000 is converted to linear address then it will be--> 7c000-->0111 1100 0000...
by axneer
Sat Aug 08, 2009 7:40 pm
Forum: Beginning OS Development
Topic: 7c00
Replies: 5
Views: 10646

7c00

hi...
i have a query about the address at which bootloader gets loaded in memory..
if it is 0000:7c00 or 7c00:0000.....please guide..
by axneer
Sat Aug 08, 2009 7:29 pm
Forum: News Discussion
Topic: OSDev Series Revision 3
Replies: 4
Views: 19490

Re: OSDev Series Revision 3

hi....
I am learning a lot from these tutorials....thanks..
In os dev series tutorial-4 (bootloader2) in the last code given (boot1.asm)
there should be

Code: Select all

int 0x12
not

Code: Select all

int 0x16
if i am not wrong .....