;=========== RAM Disk Parameter Block =============************************
;	   - D-X Designs Pty Ltd P112 -		   ** Hardware Dependent **
;						   ************************
; 1.1 - 28 Aug 01 - Cleaned up for GPL release.				HFB
; 1.0 - 10 Jun 96 - Initial Release for P112 derived from YASBEC.	HFB
;::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
; The B/P BIOS DPB's contain prefix information that provide data on the
; logical format.  This table contains only DPB Data on a RAM Disk.

; Format Type Bytes 0 and 1 are configured in the same way as Hard Disks.
; See DPBHD-xx.LIB and DPB.LIB files for descriptions of these two bytes.

; NOTE: No Skew Table needed since RAM Disk Format is locked and not needed

;.....
; P112  RAM Disk Format assuming 32k for a single System bank

	DEFB	'D-X Desig','n'+80H ; Id - 10 bytes
	DEFB	FIXDSK		    ; Format type byte 0
	DEFB	SPEED8+SEC128+ALC2K ; Format type byte 1
	DEFB	-1		; Skew factor (== Only the +/- sign used)
	DEFB	0		; Starting sector number
	DEFB	32		; Physical # sectors/trk (32=4k per 'track')
	DEFB	0		; Physical tracks/side (No Meaning in HD)

MSIZ	EQU	HB_RAMBLKS	; # of blocks in Drive (by Memory/Block size)
				;  2x128k =  80 (160k) -  64 (128k) w/User Bank
				;  1x512k = 192 (384k) - 176 (352k) w/User Bank
				;  2x512k = 448 (896k) - 432 (864k) w/User Bank
DPBRAM:	DEFW	32		; Sectors/Track
	DEFB	4		; Block Shift Factor (2k per block)
	DEFB	0FH		; Block Mask
	DEFB	1		; Extent Mask
	DEFW	MSIZ-1		; Disk Size-1      256 kB    512 kB   1024 kB
	DEFW	256 - 1		; Dir Max    -or-    64       128       256
	DEFB	0F0H, 00	; Alloc 0, 1        80H,0    0C0H,0    0F0H,0
	DEFW	0000		; Check Size
	DEFW	0000		; Trk Offset from beginning of Ram Bank base

;==================== End of RAM Disk DPB ====================