#TITLE	"TURBODOS OPERATING SYSTEM DRIVE SPECIFICATION TABLES"
#SUBTTL	"COPYRIGHT 1984, SOFTWARE 2000, INC."
;
; COPYRIGHT 1984, SOFTWARE 2000, INC.
;
; VERSION: 01/03/84
;
	MODULE	"DSKFMT"  ;MODULE NAME
;
#INCLUDE	"DREQUATE"  ;DRIVER SYMBOLIC EQUIVALENCES
;
TSD	== BYTE 1<<2	;TWO-SIDED DISK BIT (TYPE CODE)
DDD	== BYTE 1<<3	;DOUBLE DENSITY DISK BIT (TYPE CODE)
MINI	== BYTE 1<<4	;MINI-FLOPPY DISK BIT (TYPE CODE)
TPI96	== BYTE 1<<5	;96-TPI DISK BIT (TYPE CODE)
;
	LOC	Data#	;LOCATE IN DATA SEGMENT
;
;	1024 BYTE SECTOR, DOUBLE-DENSITY, TWO-SIDED
;
DSTBLS::WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
	BYTE	4	;BLOCK SIZE
	WORD	(77*(16*(1<<3)))/(1<<4)  ;NUMBER OF BLOCKS
	BYTE	4	;NUMBER OF DIRECTORY BLOCKS
	BYTE	3	;PHYSICAL SECTOR SIZE (2^N*128)
	WORD	16	;PHYSICAL SECTORS PER TRACK
	WORD	77	;PHYSICAL TRACKS PER DISK
	WORD	0	;NUMBER OF RESERVED TRACKS
	WORD	0	;TRANSLATION TABLE ADDRESS
	BYTE	DDD|TSD|3  ;DISK TYPE CODE
	BYTE	0x35	;GAP LENGTH
;
;	1024 BYTE SECTOR, DOUBLE-DENSITY, TWO-SIDED, 96-TPI (MINI)
;
	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
	BYTE	4	;BLOCK SIZE
	WORD	(80*(10*(1<<3)))/(1<<4)  ;NUMBER OF BLOCKS
	BYTE	4	;NUMBER OF DIRECTORY BLOCKS
	BYTE	3	;PHYSICAL SECTOR SIZE (2^N*128)
	WORD	10	;PHYSICAL SECTORS PER TRACK
	WORD	80	;PHYSICAL TRACKS PER DISK
	WORD	0	;NUMBER OF RESERVED TRACKS
	WORD	0	;TRANSLATION TABLE ADDRESS
	BYTE	TPI96|MINI|DDD|TSD|3  ;DISK TYPE CODE
	BYTE	0x35	;GAP LENGTH
;
;	1024 BYTE SECTOR, DOUBLE-DENSITY, TWO-SIDED (MINI)
;
	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
	BYTE	4	;BLOCK SIZE
	WORD	(40*(10*(1<<3)))/(1<<4)  ;NUMBER OF BLOCKS
	BYTE	2	;NUMBER OF DIRECTORY BLOCKS
	BYTE	3	;PHYSICAL SECTOR SIZE (2^N*128)
	WORD	10	;PHYSICAL SECTORS PER TRACK
	WORD	40	;PHYSICAL TRACKS PER DISK
	WORD	0	;NUMBER OF RESERVED TRACKS
	WORD	0	;TRANSLATION TABLE ADDRESS
	BYTE	MINI|DDD|TSD|3  ;DISK TYPE CODE
	BYTE	0x35	;GAP LENGTH
;
;	1024 BYTE SECTOR, DOUBLE-DENSITY, ONE-SIDED
;
	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
	BYTE	4	;BLOCK SIZE
	WORD	(77*(8*(1<<3)))/(1<<4)  ;NUMBER OF BLOCKS
	BYTE	3	;NUMBER OF DIRECTORY BLOCKS
	BYTE	3	;PHYSICAL SECTOR SIZE (2^N*128)
	WORD	8	;PHYSICAL SECTORS PER TRACK
	WORD	77	;PHYSICAL TRACKS PER DISK
	WORD	0	;RESERVED TRACKS
	WORD	0	;TRANSLATION TABLE ADDRESS
	BYTE	DDD|3	;DISK TYPE CODE
	BYTE	0x35	;GAP LENGTH
;
;	1024 BYTE SECTOR, DOUBLE-DENSITY, ONE-SIDED, 96-TPI (MINI)
;
	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
	BYTE	4	;BLOCK SIZE
	WORD	(80*(5*(1<<3)))/(1<<4)  ;NUMBER OF BLOCKS
	BYTE	2	;NUMBER OF DIRECTORY BLOCKS
	BYTE	3	;PHYSICAL SECTOR SIZE (2^N*128)
	WORD	5	;PHYSICAL SECTORS PER TRACK
	WORD	80	;PHYSICAL TRACKS PER DISK
	WORD	0	;RESERVED TRACKS
	WORD	0	;TRANSLATION TABLE ADDRESS
	BYTE	TPI96|MINI|DDD|3  ;DISK TYPE CODE
	BYTE	0x35	;GAP LENGTH
;
;	1024 BYTE SECTOR, DOUBLE-DENSITY, ONE-SIDED (MINI)
;
	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
	BYTE	3	;BLOCK SIZE
	WORD	(40*(5*(1<<3)))/(1<<3)  ;NUMBER OF BLOCKS
	BYTE	2	;NUMBER OF DIRECTORY BLOCKS
	BYTE	3	;PHYSICAL SECTOR SIZE (2^N*128)
	WORD	5	;PHYSICAL SECTORS PER TRACK
	WORD	40	;PHYSICAL TRACKS PER DISK
	WORD	0	;RESERVED TRACKS
	WORD	0	;TRANSLATION TABLE ADDRESS
	BYTE	MINI|DDD|3  ;DISK TYPE CODE
	BYTE	0x35	;GAP LENGTH
;
;	512 BYTE SECTOR, DOUBLE-DENSITY, TWO-SIDED
;
;	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
;	BYTE	4	;BLOCK SIZE
;	WORD	(77*(30*(1<<2)))/(1<<4)  ;NUMBER OF BLOCKS
;	BYTE	4	;NUMBER OF DIRECTORY BLOCKS
;	BYTE	2	;PHYSICAL SECTOR SIZE (2^N*128)
;	WORD	30	;PHYSICAL SECTORS PER TRACK
;	WORD	77	;PHYSICAL TRACKS PER DISK
;	WORD	0	;RESERVED TRACKS
;	WORD	0	;TRANSLATION TABLE ADDRESS
;	BYTE	DDD|TSD|2  ;DISK TYPE CODE
;	BYTE	0x1B	;GAP LENGTH
;
;	512 BYTE SECTOR, DOUBLE-DENSITY, ONE-SIDED
;
;	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
;	BYTE	4	;BLOCK SIZE
;	WORD	(77*(15*(1<<2)))/(1<<4)  ;NUMBER OF BLOCKS
;	BYTE	3	;NUMBER OF DIRECTORY BLOCKS
;	BYTE	2	;PHYSICAL SECTOR SIZE (2^N*128)
;	WORD	15	;PHYSICAL SECTORS PER TRACK
;	WORD	77	;PHYSICAL TRACKS PER DISK
;	WORD	0	;RESERVED TRACKS
;	WORD	0	;TRANSLATION TABLE ADDRESS
;	BYTE	DDD|2  ;DISK TYPE CODE
;	BYTE	0x1B	;GAP LENGTH
;
;	512 BYTE SECTOR, SINGLE-DENSITY, TWO-SIDED
;
	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
	BYTE	4	;BLOCK SIZE
	WORD	(77*(16*(1<<2)))/(1<<4)  ;NUMBER OF BLOCKS
	BYTE	3	;NUMBER OF DIRECTORY BLOCKS
	BYTE	2	;PHYSICAL SECTOR SIZE (2^N*128)
	WORD	16	;PHYSICAL SECTORS PER TRACK
	WORD	77	;PHYSICAL TRACKS PER DISK
	WORD	0	;RESERVED TRACKS
	WORD	0	;TRANSLATION TABLE ADDRESS
	BYTE	TSD|2	;DISK TYPE CODE
	BYTE	0x1B	;GAP LENGTH
;
;	512 BYTE SECTOR, SINGLE-DENSITY, ONE-SIDED
;
	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
	BYTE	4	;BLOCK SIZE
	WORD	(77*(8*(1<<2)))/(1<<4)  ;NUMBER OF BLOCKS
	BYTE	2	;NUMBER OF DIRECTORY BLOCKS
	BYTE	2	;PHYSICAL SECTOR SIZE (2^N*128)
	WORD	8	;PHYSICAL SECTORS PER TRACK
	WORD	77	;PHYSICAL TRACKS PER DISK
	WORD	0	;RESERVED TRACKS
	WORD	0	;TRANSLATION TABLE ADDRESS
	BYTE	2	;DISK TYPE CODE
	BYTE	0x1B	;GAP LENGTH
;
;	512 BYTE SECTOR, DOUBLE-DENSITY, TWO-SIDED (MINI)
;
	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
	BYTE	4	;BLOCK SIZE
	WORD	(40*(16*(1<<2)))/(1<<4)  ;NUMBER OF BLOCKS
	BYTE	2	;NUMBER OF DIRECTORY BLOCKS
	BYTE	2	;PHYSICAL SECTOR SIZE (2^N*128)
	WORD	1	;PHYSICAL SECTORS PER TRACK
	WORD	40*8*2	;PHYSICAL TRACKS PER DISK
	WORD	1	;RESERVED TRACKS
	WORD	0	;TRANSLATION TABLE ADDRESS
	BYTE	MINI|DDD|TSD|2  ;DISK TYPE CODE
	BYTE	0x1B	;GAP LENGTH
;
;	512 BYTE SECTOR, DOUBLE-DENSITY, ONE-SIDED (MINI)
;
	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
	BYTE	3	;BLOCK SIZE
	WORD	(40*(8*(1<<2)))/(1<<3)  ;NUMBER OF BLOCKS
	BYTE	2	;NUMBER OF DIRECTORY BLOCKS
	BYTE	2	;PHYSICAL SECTOR SIZE (2^N*128)
	WORD	1	;PHYSICAL SECTORS PER TRACK
	WORD	40*8	;PHYSICAL TRACKS PER DISK
	WORD	1	;RESERVED TRACKS
	WORD	0	;TRANSLATION TABLE ADDRESS
	BYTE	MINI|DDD|2  ;DISK TYPE CODE
	BYTE	0x1B	;GAP LENGTH
;
;	256 BYTE SECTOR, DOUBLE-DENSITY, TWO-SIDED
;
;	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
;	BYTE	4	;BLOCK SHZET
;	WORD	(77*(52*(1<<1)))/(1<<4)  ;NUMBER OF BLOCKS
;	BYTE	4	;NUMBER OF DIRECTORY BLOCKS
;	BYTE	1	;PHYSICAL SECTOR SIZE (2^N*128)
;	WORD	52	;PHYSICAL SECTORS PER TRACK
;	WORD	77	;PHYSICAL TRACKS PER DISK
;	WORD	0	;RESERVED TRACKS
;	WORD	0	;TRANSLATION TABLE ADDRESS
;	BYTE	DDD|TSD|1  ;DISK TYPE CODE
;	BYTE	0x0E	;GAP LENGTH
;
;	256 BYTE SECTOR, DOUBLE-DENSITY, TWO-SIDED (NEC-APC COMPATABLE)
;
	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
	BYTE	4	;BLOCK SHZET
	WORD	(76*(52*(1<<1)))/(1<<4)  ;NUMBER OF BLOCKS
	BYTE	4	;NUMBER OF DIRECTORY BLOCKS
	BYTE	1	;PHYSICAL SECTOR SIZE (2^N*128)
	WORD	52	;PHYSICAL SECTORS PER TRACK
	WORD	77	;PHYSICAL TRACKS PER DISK
	WORD	1	;RESERVED TRACKS
	WORD	XLTAPC2D;TRANSLATION TABLE ADDRESS
	BYTE	DDD|TSD|1  ;DISK TYPE CODE
	BYTE	0x0E	;GAP LENGTH
;
;	256 BYTE SECTOR, DOUBLE-DENSITY, ONE-SIDED
;
;	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
;	BYTE	4	;BLOCK SIZE
;	WORD	(77*(26*(1<<1)))/(1<<4)  ;NUMBER OF BLOCKS
;	BYTE	2	;NUMBER OF DIRECTORY BLOCKS
;	BYTE	1	;PHYSICAL SECTOR SIZE (2^N*128)
;	WORD	26	;PHYSICAL SECTORS PER TRACK
;	WORD	77	;PHYSICAL TRACKS PER DISK
;	WORD	0	;RESERVED TRACKS
;	WORD	0	;TRANSLATION TABLE ADDRESS
;	BYTE	DDD|1	;DISK TYPE CODE
;	BYTE	0x0E	;GAP LENGTH
;
;	256 BYTE SECTOR, SINGLE-DENSITY, TWO-SIDED
;
;	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
;	BYTE	4	;BLOCK SIZE
;	WORD	(77*(30*(1<<1)))/(1<<4)  ;NUMBER OF BLOCKS
;	BYTE	3	;NUMBER OF DIRECTORY BLOCKS
;	BYTE	1	;PHYSICAL SECTOR SIZE (2^N*128)
;	WORD	30	;PHYSICAL SECTORS PER TRACK
;	WORD	77	;PHYSICAL TRACKS PER DISK
;	WORD	0	;RESERVED TRACKS
;	WORD	0	;TRANSLATION TABLE ADDRESS
;	BYTE	TSD|1	;DISK TYPE CODE
;	BYTE	0x0E	;GAP LENGTH
;
;	256 BYTE SECTOR, SINGLE-DENSITY, ONE-SIDED
;
;	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
;	BYTE	4	;BLOCK SIZE
;	WORD	(77*(15*(1<<1)))/(1<<4)  ;NUMBER OF BLOCKS
;	BYTE	2	;NUMBER OF DIRECTORY BLOCKS
;	BYTE	1	;PHYSICAL SECTOR SIZE (2^N*128)
;	WORD	15	;PHYSICAL SECTORS PER TRACK
;	WORD	77	;PHYSICAL TRACKS PER DISK
;	WORD	0	;RESERVED TRACKS
;	WORD	0	;TRANSLATION TABLE ADDRESS
;	BYTE	1	;DISK TYPE CODE
;	BYTE	0x0E	;GAP LENGTH
;
;	128 BYTE SECTOR, SINGLE-DENSITY, TWO-SIDED (OLD)
;
;	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
;	BYTE	4	;BLOCK SIZE
;	WORD	(76*(52*(1<<0)))/(1<<4)  ;NUMBER OF BLOCKS
;	BYTE	2	;NUMBER OF DIRECTORY BLOCKS
;	BYTE	0	;PHYSICAL SECTOR SIZE (2^N*128)
;	WORD	52	;PHYSICAL SECTORS PER TRACK
;	WORD	77	;PHYSICAL TRACKS PER DISK
;	WORD	1	;RESERVED TRACKS
;	WORD	0	;TRANSLATION TABLE ADDRESS
;	BYTE	TSD	;DISK TYPE CODE
;	BYTE	7	;GAP LENGTH
;
;	128 BYTE SECTOR, SINGLE-DENSITY, TWO-SIDED
;
;	WORD	.+DSTL	;DISK SPEC TABLE LINK POINTER
;	BYTE	4	;BLOCK SIZE
;	WORD	(77*(52*(1<<0)))/(1<<4)  ;NUMBER OF BLOCKS
;	BYTE	2	;NUMBER OF DIRECTORY BLOCKS
;	BYTE	0	;PHYSICAL SECTOR SIZE (2^N*128)
;	WORD	52	;PHYSICAL SECTORS PER TRACK
;	WORD	77	;PHYSICAL TRACKS PER DISK
;	WORD	0	;RESERVED TRACKS
;	WORD	0	;TRANSLATION TABLE ADDRESS
;	BYTE	TSD	;DISK TYPE CODE
;	BYTE	7	;GAP LENGTH
;
;	128 BYTE SECTOR, SINGLE-DENSITY, ONE-SIDED
;
DSTA:	WORD	0	;DISK SPEC TABLE LINK POINTER
DSTB:	BYTE	3	;BLOCK SIZE
	WORD	(75*(26*(1<<0)))/(1<<3)  ;NUMBER OF BLOCKS
	BYTE	2	;NUMBER OF DIRECTORY BLOCKS
	BYTE	0	;PHYSICAL SECTOR SIZE (2^N*128)
	WORD	26	;PHYSICAL SECTORS PER TRACK
	WORD	77	;PHYSICAL TRACKS PER DISK
	WORD	2	;RESERVED TRACKS
;
XLTBL	==: .-DSTB	;TRANSLATION TABLE ADDRESS OFFSET
;
	WORD	&TRTBL	;TRANSLATION TABLE ADDRESS
;
DTCO	==: .-DSTA	;DISK TYPE CODE OFFSET
TYPCOD	==: .-DSTB	;DISK TYPE CODE OFFSET
;
	BYTE	0	;DISK TYPE CODE
;
GAPLEN	==: .-DSTB	;GAP LENGTH OFFSET
;
	BYTE	7	;GAP LENGTH
;
DSTL	== .-DSTA	;DISK SPEC TABLE LENGTH
;
; SINGLE-DENSITY/SINGLE-SIDED SECTOR TRANSLATION TABLE
;
TRTBL:	BYTE	0,6,12,18,24,4,10,16,22
	BYTE	2,8,14,20,1,7,13,19,25
	BYTE	5,11,17,23,3,9,15,21
;
; NEC-APC 2D FORMAT TYPE TRANSLATION TABLE
;
XLTAPC2D:
	BYTE	0,3,6,9,12,15,18,21,24
	BYTE	1,4,7,10,13,16,19,22,25
	BYTE	2,5,8,11,14,17,20,23
	BYTE	26,29,32,35,38,41,44,47,50
	BYTE	27,30,33,36,39,42,45,48,51
	BYTE	28,31,34,37,40,43,46,49
;
END