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DR-DOS-OpenDOS/IBMBIO/BPB.EQU
2020-11-04 23:59:28 +01:00

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; File : $BPB.EQU$
;
; Description :
;
; Original Author : DIGITAL RESEARCH
;
; Last Edited By : $CALDERA$
;
;-----------------------------------------------------------------------;
; Copyright Work of Caldera, Inc. All Rights Reserved.
;
; THIS WORK IS A COPYRIGHT WORK AND CONTAINS CONFIDENTIAL,
; PROPRIETARY AND TRADE SECRET INFORMATION OF CALDERA, INC.
; ACCESS TO THIS WORK IS RESTRICTED TO (I) CALDERA, INC. EMPLOYEES
; WHO HAVE A NEED TO KNOW TO PERFORM TASKS WITHIN THE SCOPE OF
; THEIR ASSIGNMENTS AND (II) ENTITIES OTHER THAN CALDERA, INC. WHO
; HAVE ACCEPTED THE CALDERA OPENDOS SOURCE LICENSE OR OTHER CALDERA LICENSE
; AGREEMENTS. EXCEPT UNDER THE EXPRESS TERMS OF THE CALDERA LICENSE
; AGREEMENT NO PART OF THIS WORK MAY BE USED, PRACTICED, PERFORMED,
; COPIED, DISTRIBUTED, REVISED, MODIFIED, TRANSLATED, ABRIDGED,
; CONDENSED, EXPANDED, COLLECTED, COMPILED, LINKED, RECAST,
; TRANSFORMED OR ADAPTED WITHOUT THE PRIOR WRITTEN CONSENT OF
; CALDERA, INC. ANY USE OR EXPLOITATION OF THIS WORK WITHOUT
; AUTHORIZATION COULD SUBJECT THE PERPETRATOR TO CRIMINAL AND
; CIVIL LIABILITY.
;-----------------------------------------------------------------------;
;
; *** Current Edit History ***
; *** End of Current Edit History ***
;
; $Log$
; ENDLOG
BPB struc
BPB_SECSIZ dw ? ; # of bytes per sector
BPB_ALLOCSIZ db ? ; # of sectors per allocation unit
BPB_FATADD dw ? ; # of reserved sectors (1)
BPB_NFATS db ? ; # of fats
BPB_DIRMAX dw ? ; # of directory entries
BPB_TOTSEC dw ? ; # of sectors total in image
BPB_FATID db ? ; holds a copy of the fat id byte
BPB_FATSEC dw ? ; # of sectors in a fat
BPB_SPT dw ? ; # of sectors per track
BPB_HEADS dw ? ; # of heads
BPB_HIDDEN dd ? ; disk offset (32 bit)
BPB_SIZE dd ? ; disk size (32 bit)
BPB_RESRVD2 db 6 dup (?)
BPB ends
BPB_LENGTH equ size BPB