nop	
BS_OEMName	DB 'GRUBBY  ' ; 8 bytes
BPB_BytsPerSec	DW 512
BPB_SecPerClus	DB 1
BPB_RsvdSecCnt	DW 1	
BPB_NumFATs	DB 2		
BPB_RootEntCnt	DW 224	
BPB_TotSec16	DW 2880	
BPB_Media	DB 0xF0		
BPB_FATSz16	DW 9		
BPB_SecPerTrk	DW 18	
BPB_NumHeads	DW 2	
BPB_HiddSec	DD 0
BPB_TotSec32	DD 0	
BS_DrvNum	DB 0	
BS_Reserved	DB 0	
BS_BootSig	DB 29h	
BS_VolID	DD 0		
BS_VolLab	DB 'GRUBBY     ' ; 11 bytes
BS_FileSysType	DB 'FAT12   ' ; 8 bytes

ROOTDIR_TOT_SECTORS		equ	14	
ROOTDIR_SEC_NUM	equ	19	
FAT1_SECTOR_NUM		equ	1	
SECTOR_DELTA		equ	17