; Z3BASE - Maximum Configuration
; FOR: MORROW MD2; REVISION 1 BOARD; 59K SIZE; SINGLE AND DOUBLE SIDED DRIVES
;
;****************************************************************
;*								*
;*  Z3BASE.LIB -- Base Addresses for Z-System			*
;*		  for Morrow Bootable Disks         		*
;*								*
;*	These addresses are used by the following System	*
;* 	Segments:						*
;*								*
;*	Segment		Function				*
;*	-------		--------				*
;*	ZRDOS		Echelon Z80 Replacement Disk Operating	*
;*			System, Version 1.7 (Public ZRDOS Plus)	*
;*	CBIOSZ		Morrow-compatible BIOS with bug fixes	*
;*			and ZCPR3 initialization routines	*
;*	ZCPR3		Echelon Z80 Command Processor		*
;*			Replacement, Version 3.0 (ZCPR3)	*
;*	*.ENV		All Environment Descriptors		*
;*	*.FCP		All Flow Command Packages		*
;*	*.NDR		All Named Directory Definition Files	*
;*	*.RCP		All Resident Command Packages		*
;*	*.IOP		All Input/Output Packages		*
;*								*
;*								*
;* Memory Map of System (for CCP EQU 0C800H):			*
;*								*
;*	Address Range	  Size	Function			*
;*	-------------	-------	--------			*
;*	    0 -   FF	256 b	Standard CP/M Buffers except	*
;*	  100 - CFFF	~52 K	Transient Program Area		*
;*	 C800 - CFFF	2K	ZCPR3 Command Processor		*
;*	 D000 - DDFF	3.5 K	ZRDOS				*
;*	 DE00 - EBFF	3.5 K	CBIOSZ with Morrow extra buffers*
;*	 EC00 - F3FF	2K 	Resident Command Package	*
;*	 F400 - F9FF	1.5 K	Input/Output Package		*
;*	 FA00 - FBFF	512 b	Flow Command Package		*
;*	 FC00 - FC7F	128 b	ZCPR3 Shell Stack		*
;*	 FC80 - FCCF	 80 b	ZCPR3 Message Buffers		*
;*				Byte 0:  Error Flag (Z/NZ)	*
;*				Byte 1:  IF (8 Levels)		*
;*				Byte 2:  IF Active (8 Levels)	*
;*				Byte 3:  Z3 Cmd Status		*
;*					00B - Normal		*
;*					01B - Shell		*
;*					10B - Error		*
;*				Bytes 4&5: Error Address if 10B	*
;*				Byte 6: Program Error Code	*
;*				Byte 7: ZEX Message Byte	*
;*					00B - Normal		*
;*					01B - Z3 Prompt		*
;*					10B - Suspend Intercept	*
;*				Byte 8: ZEX Running Flag (0=No)	*
;*				Bytes 9-10: Address of Next	*
;*					Char for ZEX to Return	*
;*				Bytes 11-12: Address of First	*
;*					Char in ZEX Memory-	*
;*					Based File Buffer	*
;*				Byte 13: SH Control Byte	*
;*					Bit 0: Enable SHCMT	*
;*					Bit 1: Enable SHECHO	*
;*					Bit 7: Enable Shell	*
;*						Entry Wait	*
;*				Bytes 14-15: Shell Scratch	*
;*				Bytes 10H-2FH: Error Cmd	*
;*				Bytes 30H-39H: Registers	*
;*				Bytes 3AH-3FH: Reserved		*
;*				Bytes 40H-4FH: User-Defined	*
;*	 FCD0 - FCF3	 36 b	ZCPR3 External FCB		*
;*	 FCF4 - FCFE	 11 b	ZCPR3 External Path	        *
;*       FCFF  		  1 b	Wheel Byte			*
;*	 FD00 - FDFF	256 b	Memory-Based Named Directory	*
;*	 FE00 - FEFF	256 b	Environment Descriptors		*
;*				Bytes 00H-7FH:  Z3 Parameters	*
;*				Bytes 80H-FFH:  Z3 Terminal Cap	*
;*	 FF00 - FFCF	208 B	Multiple Command Line Buffer	*
;*	 FD00 - FFFF	 48 b	ZCPR3 External Stack		*
;****************************************************************

FALSE	set	0
TRUE	set	NOT FALSE

Z3REV	EQU	30	; ZCPR3 REV NUMBER

BASE	EQU	0

I8080	EQU	FALSE

seg1	equ	BIOS+(BIOSLN*100H)-zlength	; Origin at end of BIOS

;
; RCP definition.  Set RCPS to 0 to eliminate RCP
;

RCPS	EQU	16		; 16 128-byte Blocks (2K bytes)

	 IF	RCPS NE 0
RCP	EQU	seg1		; RESIDENT COMMAND PACKAGE
	 ELSE
RCP	EQU	0
	 ENDIF

seg2	equ	seg1+(rcps*128)
;
; IOP definition.  Set IOPS to 0 to eliminate IOP
;
IOPS	EQU	12		; 12 128-byte Blocks (1.5K bytes)

	 IF	IOPS NE 0
IOP	set	seg2		; REDIRECTABLE I/O PACKAGE
	 ELSE
IOP	set	0
	 ENDIF

seg3	equ	seg2+(iops*128)

;
; FCP definition.  Set FCPS to 0 to eliminate FCP
;

FCPS	EQU	4	; 4 128-byte Blocks (0.5K bytes)

	 IF	FCPS NE 0
fcp	equ	seg3
	 ELSE
fcp	equ	0
	 ENDIF

seg4	equ	seg3+(fcps*128)

;
; Shell Stack definition.  Set SHSTKS to 0 to eliminate Shell Stack
;

SHSTKS	EQU	4	; NUMBER OF SHSIZE-BYTE SHELL STACK ENTRIES
SHSIZE	EQU	32	; SIZE OF A SHELL STACK ENTRY
			;   (STACK SIZE = SHSTKS * SHSIZE)
	 IF SHSTKS NE 0
SHSTK	EQU	seg4
	 ELSE
SHSTK	EQU	0
	 ENDIF

seg5	equ	seg4+(shstks*shsize)

;
; The ZCPR3 Message Buffers are mandatory.
;
Z3MSG	EQU	seg5		; ZCPR3 MESSAGE BUFFER

seg6	equ	seg5+80

;
; The ZCPR3 External FCB is mandatory.
;

EXTFCB	EQU	seg6		; ZCPR3 EXTERNAL FCB

seg7	equ	seg6+36

;
; The ZCPR3 Path is mandatory.  No more than 11 bytes can be used when
; this Z3BASE.LIB file is used....
;

EXPATH	EQU	seg7		; EXTERNAL PATH
EXPATHS	EQU	5		; 5 2-byte Path Elements
				;  (PATH SIZE = EXPATHS*2 + 1)

seg8	equ	seg7+(expaths*2)+1

;
; The ZCPR3 Wheel Byte is mandatory.
;

Z3WHL	EQU	seg8		; WHEEL BYTE ADDRESS

seg9	equ	seg8+1

;
; The ZCPR3 Named Directory Buffer is mandatory.
;

Z3NDIR	EQU	seg9		; ZCPR3 NAMED DIRECTORY AREA
Z3NDIRS	EQU	14		; 14 18-byte Named Directory Elements permitted
				;   (NDIR SIZE = Z3NDIRS*18 + 1 for trailing 0)

seg10	equ	seg9+256

;
; The ZCPR3 Extenal Environment Descriptor is mandatory.
;

Z3ENV	EQU	seg10	; ENVIRONMENT DESCRIPTORS
Z3ENVS	EQU	2	; SIZE OF ENVIRONMENT DESCRIPTOR IN 128-BYTE BLOCKS

seg11	equ	seg10+(z3envs*128)

;
; The ZCPR3 External Command Line Buffer is mandatory.
;

Z3CL	EQU	seg11	; ZCPR3 COMMAND LINE BUFFER
Z3CLS	EQU	200	; SIZE OF COMMAND LINE BUFFER

seg12	equ	seg11+z3cls+8

;
; The ZCPR3 External Stack is mandatory.
;

EXTSTK	EQU	seg12	; ZCPR3 EXTERNAL STACK

seg99	equ	extstk+48

zrdsize	equ	(seg99-seg1)-1	; Size to be initialized to zeros at cold-boot

;*
;*  END of Z-SYSTEM BASE EQUATES
;*