; BIOSDPB.INC - 3/9/86 - Disk parameter blocks,
;   sector weave tables, disk parameter headers.

; Single density 5", 40 tracks

	if	dsize eq five
dpb0:	dw	spt	; sec/track
	db	3	; bls
	db	7	; blm
	db	0	; exm
	dw	82	; size-1
	dw	31	; dirmax
	db	128	; alloc0
	db	0	; alloc1
	dw	8	; check size
	dw	3	; offset
	endif

; Single density 5", 80 tracks

	if	dsize eq bfive
dpb0:	dw	spt	; sec/track
	db	3	; bls
	db	7	; blm
	db	0	; exm
	dw	179	; size-1
	dw	63	; dirmax
	db	192	; alloc0
	db	0	; alloc1
	dw	16	; check size
	dw	3	; offset
	endif

; Single density 8"

	if	dsize eq eight
dpb0:	dw	spt	; sec/track
	db	3	; bls
	db	7	; blm
	db	0	; exm
	dw	242	; size-1
	dw	63	; dirmax
	db	192	; alloc0
	db	0	; alloc1
	dw	16	; check size
	dw	2	; offset
	endif

; Sector weave table for 5" single density.

	if	(dsize eq five) or (dsize eq bfive)
xlt0:	db	1,6,11,16,3,8,13,18
	db	5,10,15,2,7,12,17,4,9,14
	endif

; Sector weave table for 8" single density.

	if	dsize eq eight
xlt0:	db	1,7,13,19,25,5,11,17,23,3,9,15,21
	db	2,8,14,20,26,6,12,18,24,4,10,16,22
	endif

dpe0:	dw	xlt0,0
	dw	0,0
	dw	dirbuf,dpb0
	dw	csv0,alv0
	if	mxdrv gt 1
dpe1:	dw	xlt0,0
	dw	0,0
	dw	dirbuf,dpb0
	dw	csv1,alv1
	endif
	if	mxdrv gt 2
dpe2:	dw	xlt0,0
	dw	0,0
	dw	dirbuf,dpb0
	dw	csv2,alv2
	endif
	if	mxdrv gt 3
dpe3:	dw	xlt0,0
	dw	0,0
	dw	dirbuf,dpb0
	dw	csv3,alv3
	endif