;================ Disk Parameter Blocks, Fixed Formats ====================
; Generic File.
;
; 1.0 - 31 Aug 92 - General Release.					HFB
; 0.1 -  3 Jan 92 - Initial Release.					HFB
;::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
; This file is used to define a fixed format for physical drives when No
; Autoselection is desired.  Select the format(s) to remain resident in the
; executable code, delete the remaining to save space, and modify the DPH.LIB
; file to associate the drive DPHs to the DPB format data contained here.

; The B/P BIOS DPB's contain prefix information that furnish
; information on the format.  Since there is no "Native" format,
; each format MUST have these headers.

; FORMAT TYPE BYTE 0
; ------------------
; D D D D D D D D
; 7 6 5 4 3 2 1 0
; | | | | | +-+-+--- Disk Size: 000=Fixed Disk, 001=8", 010=5.25", 011=3.5"
; | | +-+-+--------- Track Type: 000 = Single-Sided 	001 = (reserved)
; | |			010 = Sel by Sctr, Cont	  011 = Sel by Sctr, Sec # Same
; | |			100 = S0 All, S1 All	  101 = S0 All,S1 All Rev
; | |			110 = Sel by Trk LSB	  111 = (reserved)
; | +--------------- Track 0 Side 0: 0 = Double-Density, 1 = Single-Density
; +----------------- 0 = Double-Density, 1 = Single-Density

FIXDSK	EQU	00000000B
DSK8	EQU	00000001B
DSK5	EQU	00000010B
DSK3	EQU	00000011B
SS	EQU	00000000B
TSBSC	EQU	00010000B	; Side Select by Sector Number, Cont Sect #
TSBSS	EQU	00011000B	; Side Select by Sector Number, Same Sect #
TSBTM	EQU	00100000B	; Side Select by Track - S0 All, S1 All
TSBTMR	EQU	00101000B	; Side Select by Track - S0 All, S1 All Rev
TSBTL	EQU	00110000B	; Side Select by Track LSB
T0S0SD	EQU	01000000B
DD	EQU	00000000B
SD	EQU	10000000B

; Format Type Byte 1
; ------------------
; D D D D D D D D
; 7 6 5 4 3 2 1 0
; | | | | | +-+-+--- Sector Size: 000=128, 001=256, 010=512, 011=1024 bytes
; | | +-+-+--------- Alloc Size: 000=1K, 001=2K, 010=4K, 011=8K, 100=16K
; | +--------------- (reserved)
; +----------------- 0 = Normal 5.25" Speed, 1 = 8" or Hi-Density Floppy

SEC128	EQU	00000000B
SEC256	EQU	00000001B
SEC512	EQU	00000010B
SEC1K	EQU	00000011B
ALC1K	EQU	00000000B
ALC2K	EQU	00001000B
ALC4K	EQU	00010000B
ALC8K	EQU	00011000B
ALC16K	EQU	00100000B
SPEED5	EQU	00000000B
SPEED8	EQU	10000000B

; Notes on Skew Factors:  Sector Skew may be calculated or may be looked
;  up using a Lookup Table.  This is an Assembly-time Option.  The Format
;  routines, however, need to have a Skew Factor entry for the purpose of
;  formatting.  If this Skew Factor is Negative, This indicates that the
;  Sector Numbers on the Disk are to be Skewed by ABS(Skew) at format time.
;  When calculating Skew for Read/Write, a Negative Number indicates the
;  Sectors are to be Read without Skew Translation.

	CSEG
;.....
; DS/QD AMPRO/SB180/ON

	DEFB	'Ampro DSQ','D'+80H ; Id - 10 bytes
	DEFB	DSK5+DD+TSBTL	    ; Format type byte 0
	DEFB	SPEED5+SEC1K+ALC2K  ; Format type byte 1
	DEFB	-2		; Skew factor
	DEFB	17		; Starting sector number
	DEFB	5		; Physical sectors per track
	DEFB	80		; Physical tracks/side

DPBRA:	DEFW	40		; Sectors per track
	DEFB	4		; Block shift factor
	DEFB	15		; Block mask
	DEFB	0		; Extent mask
	DEFW	394		; Disk size-1
	DEFW	255		; Directory max
	DEFB	0F0H, 0		; Alloc 0,1
	DEFW	64		; Check size
	DEFW	2		; Track offset
	  IF  NOT CALCSK
; NOTE: Sectors are Physical Size, Not 128 Byte record size
;		00 01 02 03 04 05 06 07 	; Logical Sector
	DEFB	17,18,19,20,21,00,00,00	; Physical sector
;		08 09 10 11 12 13 14 15 	; Logical Sector
	DEFB	00,00,00,00,00,00,00,00	; Physical sector
;		16 17 18 19 20 21 22 23 	; Logical Sector
	DEFB	00,00,00,00,00,00,00,00	; Physical sector
;		24 25				; Logical Sector
	DEFB	00,00			; Physical sector
	  ENDIF

DPBSIZ	EQU	$-DPB		; Total size of one DPB
DPHDSZ	EQU	DPBRA-DPB	; DPB header size

;.....
; DS/DD AMPRO/SB180/ON

	DEFB	'Ampro DSD','D'+80H ; Id - 10 bytes
	DEFB	DSK5+DD+TSBTL	    ; Format type byte 0
	DEFB	SPEED5+SEC512+ALC2K ; Format type byte 1
	DEFB	-2		; Skew factor
	DEFB	17		; Starting sector number
	DEFB	5		; Physical sectors per track
	DEFB	80		; Physical tracks/side

DPBRB:	DEFW	40		; Sectors per track
	DEFB	4		; Block shift factor
	DEFB	15		; Block mask
	DEFB	0		; Extent mask
	DEFW	194		; Disk size-1
	DEFW	127		; Directory max
	DEFB	0C0H, 0		; Alloc 0,1
	DEFW	32		; Check size
	DEFW	2		; Track offset
	  IF  NOT CALCSK
; NOTE: Sectors are Physical size, Not 128 Byte Record Size
;		00 01 02 03 04 05 06 07 	; Logical Sector
	DEFB	17,18,19,20,21,22,23,24	; Physical sector
;		08 09 10 11 12 13 14 15 	; Logical Sector
	DEFB	25,26,00,00,00,00,00,00	; Physical sector
;		16 17 18 19 20 21 22 23 	; Logical Sector
	DEFB	00,00,00,00,00,00,00,00	; Physical sector
;		24 25				; Logical Sector
	DEFB	00,00			; Physical sector
	  ENDIF
;======================= End of DPBRAM.LIB ===========================