Custom FreeBSD boot floppy??

[yo _]

Hi Everyone!

The MBR on my hard disk is corrupted (or sometimes is), after re-installing 
FreeBSD it was not overwritten and fixed even though the complete system 
was. So when i need to boot i use the bootcds i used to install FreeBSD and 
at boot0 i press any key (during rapid / - \ - spinnings) and boot my hard 
drive using the command "0:ad(a,0)/boot/loader". When there is a power 
failure, it requires me to go back to the system and repeat the process.

How could i make a custom boot floppy (or even boot cd) to load 
"0:ad(a,0)/boot/loader" automatically, since the MBR never gets repaired 
(however many times i've tried). If this information is already documented 
somewhere, a point in the right direction will be more than sufficient, even 
if the information is about MBR repair and installation of the FreeBSD boot 
loader.

I am using 4.8-RELEASE, thanks to all in advance!
-Rian Hunter

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