;**	DEFINITION OF SYSTEM CONTROL BLOCK IN THE BIOS FOR CP/M-86
;
;  * * *   N O T E   * * *
;
;    IF THE BIOS IS ALTERED, THEN THIS FILE MUST ALSO BE UPDATED.
;

	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

BREL	EQU	1			;RELEASE # FOR CURRENT BIOS
					; USE THIS EQUATE IN USER PROGRAMS
					;  THAT WISH TO KNOW RELEASE #
					;   THEY WERE ASSEMBLED FOR
BRELA	EQU	(((BREL MOD 10)+'0') SHL 8) + (BREL/10+'0')

BREVSN	EQU	10			;REVISION #
BREVSNA	EQU	(((BREVSN MOD 10)+'0') SHL 8) + (BREVSN/10+'0')

BMO	EQU	09			;DATE
BDY	EQU	26
BYR	EQU	83

NDRIVES	EQU	6			;MAXIMUM NUMBER OF DRIVE TABLES

;

AUTOCL	EQU	40			;MAX AUTO COMMAND LENGTH

	IF	NOT BIOSFLG
	ORG	0
BIOSTBL	RB	0			;BEGINNING OF BIOS TABLES

BIOSREL	RB	1			;BIOS RELEASE
BIOSREV	RB	1			;BIOS REVISION
DEFIOB	RB	1			;DEFAULT I/O BYTE

MODE	RB	1			;MODE FLAGS BYTE

HECNT	RW	1			;HARD ERROR COUNT (SINCE COLD BOOT)
SECNT	RW	1			;SOFT ERROR COUNT (SINCE COLD BOOT)
NDISKS	RB	1			;NUMBER OF DISK POSSIBLE IN THIS BIOS

;	AUTO EXEC COMMAND BUFFERS

AUTOCBC	RB	AUTOCL+1		;COLD BOOT AUTO COMMAND
AUTOWBC	RB	AUTOCL+1		;WARM BOOT AUTO COMMAND

;  CHARACTER I/O TABLES

CRTTBL	RB	CIOTBLL			;CRT: (KEYBOARD/DISPLAY)
SERATBL	RB	CIOTBLL			;SERIAL PORT A
SERBTBL	RB	CIOTBLL			;SERIAL PORT B
PPRTTBL	RB	CIOTBLL			;PARALLEL PRINTER PORT
DUMMYTBL RB	CIOTBLL			;DUMMY UNIT

;	DISK PARAMETER ENTRY TABLES

DPEBASE	RB	0			;START OF DISK PARAMETER ENTRY TABLES
	ENDIF

	IF	BIOSFLG
BIOSTBL	RB	0			;BEGINNING OF BIOS TABLES

BIOSREL	DB	BREL			;BIOS RELEASE
BIOSREV	DB	BREVSN			;BIOS REVISION
DEFIOB	DB	00010101B		;DEFAULT I/O BYTE
MODE	DB	0			;MODE FLAGS
HECNT	DW	0			;HARD ERROR COUNT (SINCE COLD BOOT)
SECNT	DW	0			;SOFT ERROR COUNT (SINCE COLD BOOT)
NDISKS	DB	NDRIVES			;NUMBER OF DRIVES POSSIBLE IN THIS BIOS

;	AUTO EXEC COMMAND BUFFERS

AUTOCBC	DB	0			;COLD BOOT AUTO COMMAND
	RB	AUTOCL
AUTOWBC	DB	0			;WARM BOOT AUTO COMMAND
	RB	AUTOCL

;	CHARACTER I/O DEVICE TABLES

CRTTBL	RB	0			;CRT: TABLE
	DB	0
	DW	0
	DB	CIOFO,0
	DB	0FFH,0
	DB	0,0
	DB	0,0
	DB	0,0,0
	DB	0,0,0,0,0,0,0,0
	DW	0,0,0,0,0
	IF	OFFSET $ - OFFSET CRTTBL NE CIOTBLL
%:	CRT: CIO TABLE IS NOT CORRECT
	ENDIF

SERATBL	RB	0			;TTY: (SERIAL PORT A)
	DB	ZSERA
	DW	EPB480
	DB	0,0
	DB	EPRXR,0
	DB	EPDCD+EPTXR,0
	DB	0,0
	DB	0,0,0
	DB	EPSB1+EPCL8+EPA16X
	DB	070H
	DB	EPNORM+EPRTS+EPRESE+EPRXEN+EPDTR+EPTXEN
	DB	0,0,0,0,0
	DW	0,0,0,0,0
	IF	OFFSET $ - OFFSET SERATBL NE CIOTBLL
%:	TTY: CIO TABLE IS NOT CORRECT
	ENDIF

SERBTBL	RB	0		;UC1: , UR1: , UP1: , UL1: (SERIAL PORT B)
	DB	ZSERB
	DW	EPB300
	DB	0,0
	DB	EPDSR+EPDCD+EPRXR,0
	DB	EPDSR+EPDCD+EPTXR,0
	DB	0,0
	DB	0,0,0
	DB	EPSB1+EPCL8+EPA16X
	DB	070H
	DB	EPNORM+EPRTS+EPRESE+EPRXEN+EPDTR+EPTXEN
	DB	0,0,0,0,0
	DW	0,0,0,0,0
	IF	OFFSET $ - OFFSET SERBTBL NE CIOTBLL
%:	UL1: CIO TABLE IS NOT CORRECT
	ENDIF

PPRTTBL	RB	0		;LPT: (GENERAL DATA PORT PARALLEL PRINTER)
	DB	0
	DW	0
	DB	0,0
	DB	0,0
	DB	PPRTBSY,PPRTBSY
	DB	0,0
	DB	0,0,0
	DB	LPENSE+VSYNCE+PPRTPRM+PPRTSTB
	DB	GDPDDAV
	DB	GDPCAV
	DB	0
	DB	GDPBDDV
	DB	GDPCBV
	DB	0,0
	DW	0,0,0,0,0
	IF	OFFSET $ - OFFSET PPRTTBL NE CIOTBLL
%:	LPT: CIO TABLE IS NOT CORRECT
	ENDIF

DUMMYTBL RB	0			;DUMMY UNIT
	DB	0
	DW	0
	DB	0,0
	DB	0,0
	DB	0,0
	DB	0,0
	DB	0,0,0
	DB	0,0,0,0,0,0,0,0
	DW	0,0,0,0,0
	IF	OFFSET $ - OFFSET DUMMYTBL NE CIOTBLL
%:	DUMMY CIO TABLE IS NOT CORRECT
	ENDIF

DPEBASE	RB	0

	ENDIF