;/*
; *                      Microsoft Confidential
; *                      Copyright (C) Microsoft Corporation 1991
; *                      All Rights Reserved.
; */
;                                              ;                               ;     ;

GAGE_UPDATE 	EQU	(4900h)

NO      equ     0
YES     equ     not NO


FSExec  equ     NO                              ;an018; dms;conditional assembly
ShipDisk equ    NO                              ;an000; dms;ship disk flag

Boot_ID equ   0AA55h
DOS_Found equ   0

Not_Include     equ     0
Do_Include         equ     1

INIT    equ     0

FAT12_File_System equ 01h
FAT16_File_System equ 04h
New_File_System equ 06h

FS_String_Max_Length    equ     5

Paragraph_Size  equ     16                      ;                               ;AN005;
Len_FS_String_Buffer    equ     13

Net_Check equ   1200h
Assign_Check equ 8000h

Found_Yes equ   1
Found_No equ    0

Asciiz_End equ  0
DBCS_Blank_hi	equ	81h
DBCS_Blank_lo	equ	40h
DBCS_Vector_Size equ 2
End_Of_Vector equ 0


Blank   equ     " "

Label_Length equ 11
CR      equ     13

DBCS_VECTOR equ NO

;Limits
BIG_FAT_THRESHOLD equ 4086

;-------------------------------------------------------------------------------





DRNUM   EQU     5CH



; Exit status defines
ExitOK  equ     0
ExitCtrlC equ   3
ExitFatal equ   4
ExitNo  equ     5


;-------------------------------------------------------------------------------
; These are the data structures which we will need


Media_ID struc
Media_ID_Info_Level dw 0
Media_ID_Serial_Number dd 0
Media_ID_Volume_Label db 11 dup(" ")
Media_ID_File_System db 8  dup(" ")
Media_ID ends


Relative_Sector_Buffer  struc                   ;                               ;AN000;

Start_Sector_Low        dw      ?               ;Low word of RBA sector         ;AN000;
Start_Sector_High       dw      ?               ;High word of RBA sector        ;AN000;
Number_Sectors          dw      ?               ;Number of sectors              ;AN000;
Buffer_Offset           dw      ?               ;Address of data buffer         ;AN000;
Buffer_Segment          dw      ?               ;                               ;AN000;

Relative_Sector_Buffer ends                     ;                               ;AN000;


;Per system file data structure

a_FileStructure struc
	fileHandle 		DW   	?
	fileSizeInParagraphs 	DW 	?
	fileSizeInBytes 	DD 	?
	fileOffset 		DD   	?
	fileStartSegment 	DW 	?
	fileDate 		DW     	?
	fileTime 		DW     	?
a_FileStructure ends

;-------------------------------------------------------------------------------

LOGBOOTSECT 		equ 	1
Set_Drv_Owner		equ 	0Fh             ; IOCTL subfunction
Custom_Media 		equ 	0F0H            ; Media byte for custom format
Dual_8_Media 		equ	0FFh            ; Dual sided 8 sectored
Single_8_Media 		equ	0FEh            ; Single sided 8 sectored
Dual_9_Media 		equ	0FDh            ; Dual sided 9 sectored
Single_9_Media 		equ	0FCh            ; Single sided 9 sectored
Dual_15_Media 		equ	0F9h            ; Dual sided 15 sectored
Fixed_Disk 		equ  	0F8h            ; Fixed Disk
Invalid_Drive   	equ     000Fh           ; Extended error 15
Max_Format_Size 	equ     0FFFFh          ; Max bytes to Format
Multi_Track_Format      equ     02h             ; Multi-track format
Single_Track_Format     equ     00h             ; Single track format
Select_Disk_Message     equ     0ADC1h


OFFSET_BPB		EQU	11		; Offset of BPB in boot record
BPB_LENGTH		EQU	25		; Length of BPB structure
OLD_BPB_LEN		EQU	19		; Length of CPM type bpb struc
