;
DSXD1	EQU	Offset $
    DSEG 0
	ORG	DSXD1
;****************************************************************
;*	DISK LOGICAL TO PHYSICAL SECTOR TRANSLATION TABLES	*
;****************************************************************
;	GPL1,	GPL2,	Physical sectors/track
X8TABLE	RS 0
    if (FLOPPY8 and not LOADER) or (BOOT8X and LOADER)
; Single density, 128 byte sectors.
   DW	XLT8S0
   DB	07h,	1Bh,	26,	0	;Format information "header"
; Double density, 256 byte sectors.
   DW	XLT8D1
   DB 	0Eh,	36h,	26,	0
; Double density, 512 byte sectors.
   DW	XLT8D2
   DB	1Bh,	54h,	15,	0
; Double density, 1024 byte sectors.
   DW	XLT8D3
   DB	35h,	74h,	08,	0
;---------------------------------------
XLT8S0	DB	0,6,12,18,24,4,10,16,22,2,8,14,20
	DB	1,7,13,19,25,5,11,17,23,3,9,15,21
;---------------------------------------
XLT8D1	DB	 0, 1,18,19,36,37, 2, 3,20,21,38,39
	DB	 4, 5,22,23,40,41, 6, 7,24,25,42,43
	DB	 8, 9,26,27,44,45,10,11,28,29,46,47
	DB	12,13,30,31,48,49,14,15,32,33,50,51
	DB	16,17,34,35
;---------------------------------------
XLT8D2	DB	 0, 1, 2, 3,16,17,18,19
	DB	32,33,34,35,48,49,50,51
	DB	 4, 5, 6, 7,20,21,22,23
	DB	36,37,38,39,52,53,54,55
	DB	 8, 9,10,11,24,25,26,27
	DB	40,41,42,43,56,57,58,59
	DB	12,13,14,15,28,29,30,31
	DB	44,45,46,47
;---------------------------------------
XLT8D3	DB	 0, 1, 2, 3, 4, 5, 6, 7
	DB	24,25,26,27,28,29,30,31
	DB	48,49,50,51,52,53,54,55
	DB	 8, 9,10,11,12,13,14,15
	DB	32,33,34,35,36,37,38,39
	DB	56,57,58,59,60,61,62,63
	DB	16,17,18,19,20,21,22,23
	DB	40,41,42,43,44,45,46,47
    endif
;=======================================
;	GPL1,	GPL2,	Physical sectors/track,	Cylinder structure mask
X5TABLE RS 0
    if (FLOPPY5 and not LOADER) or (BOOT5X and LOADER)
; Single density, 128 byte sectors.
   DW	XLT5S0
   DB	08h,	10h,	16,	01000000b ;Format information "header"
;  DB	07h,	09h,	18,	01000000b ;Optional replacement (tight)
; Double density, 256 byte sectors.
   DW	XLT5D1
   DB 	10h,	19h,	16,	01100011b
;  DB	07h,	09h,	18,	00000000b ;Optional replacement (tight)
; Double density, 512 byte sectors.
   DW	XLT5D2
   DB	2Ah,	50h,	08,	10000001b ;IBM - PC
; Double density, 1024 byte sectors.
   DW	XLT5D3
   DB	20h,	32h,	05,	10010001b ;CompuPro Standard Release
;  DB	2Ah,	50h,	04,	10010001b ;Optional replacement (loose)
;---------------------------------------
XLT5S0	DB	 0, 5,10,15, 4, 9,14, 3		; 0, 5,10,15, 2, 7,12,17
	DB	 8,13, 2, 7,12, 1, 6,11		; 4, 9,14, 1, 6,11,16, 3
	DB	00,00				; 8,13
;---------------------------------------
XLT5D1	DB	 0, 1,10,11,20,21,30,31		; 0, 1,10,11,20,21,30,31
	DB	 8, 9,18,19,28,29		; 4, 5,14,15,24,25,34,35
	DB	 6, 7,16,17,26,27		; 8, 9,18,19,28,29
	DB	 4, 5,14,15,24,25		; 2, 3,12,13,22,23,32,33
	DB	 2, 3,12,13,22,23,00,00,00,00	; 6, 7,16,17,26,27
;---------------------------------------
XLT5D2	DB	 0, 1, 2, 3,16,17,18,19
	DB	12,13,14,15,28,29,30,31
	DB	 8, 9,10,11,24,25,26,27
	DB	 4, 5, 6, 7,20,21,22,23
	DB	00,00,00,00,00,00,00,00	;Additional space for other allocations
;---------------------------------------
XLT5D3	DB	 0, 1, 2, 3, 4, 5, 6, 7
	DB	16,17,18,19,20,21,22,23
	DB	32,33,34,35,36,37,38,39
	DB	 8, 9,10,11,12,13,14,15
	DB	24,25,26,27,28,29,30,31
      endif
    endif
;