;**	CP/M-86 SYSTEM EQUATES
;

	NOLIST
;
;		  RESTRICTED RIGHTS LEGEND
;		  ------------------------
;
;	     "Use, duplication, or disclosure by the
;	government is subject to restrictions as set forth
;	in paragraph (b) (3) (B) of the Rights in Technical
;	Data and Computer Software clause in DAR
;	7-104.9(a).  Contractor/manufacturer is Zenith
;	Data Systems Corporation of Hilltop Road, St.
;	Joseph, Michigan 49085.
;
	LIST

;	OS VALUES IN 1ST 1K OF 8088 ADDRESS SPACE

BDOSE	EQU	224			;SWI FOR BDOS ENTRY

	ORG	0DDH*4
LPENHF	RB	1			;LIGHT PEN HIT FLAG (<>0 = HIT)
LPENPOS	RW	1			;LIGHT PEN POSITION
LPENHIT	RB	1			;LIGTH PEN HIT REGISTER IMAGE

	ORG	0DEH*4
UTICCNT	RW	2			;USER TIC COUNTER

;	RESERVED LOCATIONS IN PAGE ZERO

	ORG	005CH
TFCB	RB	36			;TRANSIENT DEFAULT FCB
TFCB2	EQU	TFCB+16			;TRANSIENT 2ND FILENAME
	ORG	0080H
TBUFF	RB	128			;DEFAULT DISK BUFFER

;	CP/M FUNCTIONS

RESET	EQU	0			;SYSTEM RESET
RDCON	EQU	1			;READ CONSOLE
WRCON	EQU	2			;WRITE CONSOLE
RDRDR	EQU	3			;READ READER
WRPUN	EQU	4			;WRITE PUNCH
WRLST	EQU	5			;WRITE LIST
DCONIO	EQU	6			;DIRECT CONSOLE I/O (2)
IOSTAT	EQU	7			;INTERROGATE I/O STATUS
ASTAT	EQU	8			;ALTER I/O STATUS
PRCONB	EQU	9			;PRINT CONSOLE BUFFER
RDCONB	EQU	10			;READ CONSOLE BUFFER
CCSTAT	EQU	11			;CHECK CONSOLE STATUS
LDH	EQU	12			;LIFT DISK HEAD
CPMVER	EQU	LDH			;GET CP/M VERSION (2)
RDS	EQU	13			;RESET DISK SYSTEM
SELDSK	EQU	14			;SELECT DISK
OPEN	EQU	15			;OPEN FILE
CLOSE	EQU	16			;CLOSE FILE
S1ST	EQU	17			;SEARCH FIRST
SNXT	EQU	18			;SEARCH NEXT
DELETE	EQU	19			;DELETE FILE
READ	EQU	20			;READ RECORD
WRITE	EQU	21			;WRITE RECORD
CREATE	EQU	22			;CREATE FILE
RENAME	EQU	23			;RENAME FILE
ILOG	EQU	24			;INTERROGATE LOGIN
IDSK	EQU	25			;INTERROGATE DISK
SETDMA	EQU	26			;SET DMA ADDRESS
IALLOC	EQU	27			;INTERROGATE ALLOCATION
WPD	EQU	28			;WRITE PROTECT DISK
GROV	EQU	29			;GET READ/ONLY VECTOR
SFA	EQU	30			;SET FILE ATTRIBUTES
GADPB	EQU	31			;GET ADDR OF DPB
SGUSR	EQU	32			;SET/GET USER CODE
READRR	EQU	33			;READ RANDOM RECORD
WRITERR	EQU	34			;WRITE RANDOM RECORD
CFSIZE	EQU	35			;COMPUTE FILE SIZE
SRR	EQU	36			;SET RANDOM RECORD
RESDRV	EQU	37			;RESET DRIVE
WRITERZ	EQU	40			;WRITE RANDOM WITH ZERO FILL
CHAIN	EQU	47			;CHAIN TO ANOTHER PROGRAM
GETSCB	EQU	49			;GET ADDR OF BDOS SYSTEM CONTROL BLOCK
DBIOS	EQU	50			;DIRECT BIOS CALL
SDMASB	EQU	51			;SET DMA SEGMENT BASE
GDMASB	EQU	52			;GET DMA SEGMENT BASE
GMXAVL	EQU	53			;GET MAXIMUM AVAILABLE MEMORY
GABSMX	EQU	54			;GET ABSOLUTE MAXIMUM
GMREG	EQU	55			;GET MEMORY REGION
GAMREG	EQU	56			;GET ABSOLUTE MEMORY REGION
FMREG	EQU	57			;FREE MEMORY REGION
FAM	EQU	58			;FREE ALL MEMORY
PRGLD	EQU	59			;PROGRAM LOAD

;	BIOS ENTRY POINTS.

CBOOT	EQU	0			;COLD BOOT
WBOOT	EQU	1			;WARM BOOT
CONST	EQU	2			;CONSOLE STATUS
CONIN	EQU	3			;CONSOLE INPUT
CONOUT	EQU	4			;CONSOLE OUTPUT
LSTOUT	EQU	5			;LIST OUTPUT
PUNOUT	EQU	6			;PUNCH OUTPUT
RDRIN	EQU	7			;READER INPUT
HOME	EQU	8			;HOME DISK
SETDSK	EQU	9			;SET (SELECT) DISK DRIVE
SETTRK	EQU	10			;SET TRACK NUMBER
SETSEC	EQU	11			;SET SECTOR NUMBER
SDMA	EQU	12			;SET DMA ADDRESS
BREAD	EQU	13			;READ SELECTED SECTOR
BWRITE	EQU	14			;WRITE SELECTED SECTOR
BLSTST	EQU	15			;CHECK LIST DEVICE STATUS
BSECTRN	EQU	16			;SECTOR TRANSLATE ROUTINE
SETDMAB	EQU	17			;SET DMA BASE
GETMRT	EQU	18			;GET OFFSET OF MEMORY SEGMENT BASE
GETIOB	EQU	19			;GET I/O BYTE
SETIOB	EQU	20			;SET I/O BYTE
BFMT	EQU	21			;FORMAT
BRDTRK	EQU	22			;READ TRACK
BWRTRK	EQU	23			;WRITE TRACK
BWPC	EQU	24			;WRITE PROTECT CHECK
BCBD	EQU	25			;CLEAR BUFFERS FOR DRIVE
BGBT	EQU	26			;GET BIOS TABLES
BRUN85	EQU	27			;RUN 8085 PROCESSOR

;	BIOS WRITE TYPES

BWRNOR	EQU	0			;NORMAL WRITE
BWRDIR	EQU	1			;WRITE TO A DIRECTORY SECTOR
BRWUA1	EQU	2			;WRITE TO 1ST SECTOR OF UNALLOC BLOCK

;	FILE CONTROL BLOCK

	ORG	0
FCBDN	RB	1			;DISK NAME
FCBFN	RB	8			;FILE NAME
FCBFNL	EQU	8			;FILE NAME LENGTH
FCBFT	RB	3			;FILE TYPE
FCBFTL	EQU	3			;FILE TYPE LENGTH
FCBRO	EQU	FCBFT+0			;R/O FLAG
FCBROF	EQU	10000000B		; R/O FLAG VALUE
FCBSYS	EQU	FCBFT+1			;SYS FLAG
FCBSYSF	EQU	10000000B		; SYS FLAG VALUE
FCBARC	EQU	FCBFT+2			;ARCHIVE FLAG
FCBARCF	EQU	10000000B		; ARCHIVE FLAG VALUE
FCBEX	RB	1			;EXTENT
	RB	1
FCBRWF	RB	1			;R/W FLAG
FCBRWFF EQU	10000000B		; R/W FLAG VALUE
FCBRC	RB	1			;RECORD COUNT
FCBDM	RB	16			;DISK ALLOCATION MAP
FCBNR	RB	1			;NEXT RECORD TO BE READ OR WRITTEN
FCBLS	EQU	33			;FCB LENGTH FOR SEQUENTIAL I/O
FCBRR	RB	3			;RANDOM RECORD POINTER
FCBLR	EQU	36			;FCB LENGTH FOR RANDOM I/O