.TITLE	FXTAB - FX: DRIVER TABLE
	.IDENT	/1.0/
; EDIT # 0007	21 Sept 1982   10:45:40	DB1:[21,7]FXTAB.MAC;13
; PREVIOUS EDIT	21 Sept 1982   10:33:04	DB1:[21,7]FXTAB.MAC;12
;**-
;	Module name: FXTAB - FX: DATA BASE
;
;
;
;
	.MCALL	DEVDF$		;DEFINE DEVICE DATA STRUCTURE SYMBOLICS
	DEVDF$



	.MACRO	UCBS	UNIT
	.IF DF	M$$MUP
	.WORD	0			;(U.OWN ) OWNING TERMINAL UCB ADDRESS
	.ENDC
.FX'UNIT::				;REF. LABEL.
	.WORD	.FXDCB			;(U.DCB ) POINTER TO DCB
	.WORD	.-2			;(U.RED ) REDIRECT UCB POINTER
	.BYTE	UC.ALG!UC.PWF!1 	;(U.CTL ) CONTROL FLAGS
	.BYTE	US.MNT			;(U.STS ) STATUS FLAGS
	.BYTE	UNIT			;(U.UNIT) UNIT NUMBER
	.BYTE	US.RED			;(U.STS2) STATUS FLAGS
	.WORD	DV.DIR!DV.F11!DV.MNT	;(U.CW1 ) DEVICE CHARACTERISTICS
	.WORD	0			;(U.CW2 ) DEVICE CHARACTERISTICS
	.WORD	0			;(U.CW3 ) "DISK" SIZE
	.WORD	1000			;(U.CW4 ) BUFFER SIZE
	.WORD	$FX0			;(U.SCB ) SCB POINTER
	.WORD	0			;(U.ATT ) ATTACH WORD
	.WORD	0,0			;(U.BUF ) BUFFER RELOCATION ADDRESS
	.WORD	0			;(U.CNT ) BUFFER SIZE (BYTES)
	.WORD	0			;(U.ACP ) ACP TCB ADDRESS
	.WORD	0			;(U.VCB ) VCB ADDRESS
	.WORD	0			;(U.NXT ) VIRTUAL CONTROL BLOCK
	.ENDM	UCBS

;
; THE VIRTUAL fixed DISK STRUCTURE LOOKS LIKE A NORMAL DISK STRUCTURE WITH
; one UNITS AND ONE CONTROLLER. HOWEVER,
; THE SCB USES A NULL CSR AND VECTOR.
; The driver never calls $fork, so the mapping relocation bias for the
;	"disk" partition is kept in the fork block of the SCB.

;
; DCB DATA STRUCTURE.
;

$FXDAT::			;REF. LABEL.

.FXDCB::			;REF. LABEL.
	.WORD	0		;(D.LNK ) LINK TO NEXT DCB
	.WORD	.FX0		;(D.UCB ) LINK TO FIRST UCB
	.ASCII	/FX/		;(D.NAM ) DEVICE NAME
	.BYTE	0,0		;(D.UNIT) LOWEST, HIGHEST UNIT NUMBER
	.WORD	FXND-FXST	;(D.UCBL) LENGTH OF UCB
	.WORD	$FXTBL		;(D.DSP ) ADDRESS OF DRIVER DISPATCH TABLE
	.WORD	177037		;(D.MSK ) LEGAL FUNCTION MASK 0-15
	.WORD	000030		;         CNTRL FUNCTION MASK 0-15
	.WORD	000000		;         NO-OP FUNCTION MASK 0-15
	.WORD	177000		;         ACP   FUNCTION MASK 0-15
	.WORD	000377		;         LEGAL FUNCTION MASK 16-31
	.WORD	000000		;         CNTRL FUNCTION MASK 16-31
	.WORD	000000		;         NO-OP FUNCTION MASK 16-31
	.WORD	000377		;         ACP   FUNCTION MASK 16-31
	.WORD	0		;(D.PCB)  PCB ADDRESS

;
; UCB DATA STRUCTURE
;


FXST	= .

	UCBS	0		; CREATED THE UCB
FXND	= .


;
; SCB DATA STRUCTURE.
;

$FX0::				;REF. LABEL
	.WORD	0,.-2		;(S.LHD ) I/O QUEUE LISTHEAD
	.BYTE	0		;(S.PRI ) DEVICE PRIORITY
	.BYTE	0/4		;(S.VCT ) VECTOR ADDRESS/4
	.BYTE	0		;(S.CTM ) CURRENT TIMEOUT COUNT
	.BYTE	0		;(S.ITM ) INITIAL TIMEOUT COUNT
	.BYTE	0		;(S.CON ) CONTROLLER NUMBER
	.BYTE	0		;(S.STS ) CONTROLLER STATUS
	.WORD	4		;(S.CSR ) CSR ADDRESS
	.WORD	0		;(S.PKT ) CURRENT PACKET ADDRESS
	.WORD	0,0,0,0		;(S.FRK ) FORK CELL

	.IF DF	L$$DRV&M$$MGE

	.WORD	0		;         ADDITIONAL WORD

	.ENDC

	.IF DF	M$$EXT

	.WORD	0,0,0,0,0,0	;         ADDITIONAL SPACE IF 11/70

	.ENDC

$FXEND::			;END OF DATA BASE

	.END