ftp.barnyard.co.uk/2015.02.ftp.barnyard.co.uk.tar/ftp.barnyard.co.uk/cpm/walnut-creek-CDROM/ZSYS/SIMTEL20/ZCPR3/Z3HDR2.LIB

Text File | 2000-06-30 | 19KB | 609 lines

; Z3HDR - Minimum Configuration
; Offset:  4100H

*************************************************************************
*                                    *
*  Z C P R 3 -- Z80-Based Command Processor Replacement, Version 3.0    *
*                                    *
*  Copyright (c) 1984 by Richard Conn                    *
*  Copyright Pending, US Government                    *
*  All Rights Reserved                            *
*                                    *
*  ZCPR3 was written by Richard Conn, who assumes no responsibility    *
*  or liability for its use.  ZCPR3 is released to the CP/M user    *
*  community for non-commercial use only.                *
*                                    *
*  All registered users of CP/M are encouraged to freely copy and use    *
*  ZCPR3 and its associated utilities on their registered systems for    *
*  non-commercial purposes.                        *
*                                    *
*  Any commercial use of ZCPR3 is prohibited unless approved by the    *
*  author, Richard Conn, or his authorized agent, Echelon, Inc, in    *
*  writing.                                *
*                                    *
*  This is the RELEASE VERSION of ZCPR3.                *
*                                    *
*************************************************************************

;
;  Module:  Z3HDR
;  Author:  Richard Conn
;  Module Used By:  ZCPR3 Version 3.x
;  Note:  Z3HDR contains the key customization equates for ZCPR3.  These
;    equates allow the user to select various ZCPR3 options and do an
;    extensive amount of tailoring of ZCPR3 to the user's desires.
;

;
;  1. BASIC SYSTEM DEFINITIONS
;
;    The following equates may be used to customize this CPR for the user's
; system and integration technique.  The following equate are provided:
;
;    REL - TRUE if integration is to be done via MOVCPM
;        - FALSE if integration is to be done via DDT and SYSGEN
;
;    CPRLOC - Base Page Address of CPR; this value can be obtained by running
;          the CCPLOC program on your system, and if REL is FALSE, this
;          value is supplied through the Z3BASE.LIB CCP equate
;
REL    EQU    FALSE
;
    IF    REL
CPRLOC    EQU    0
    ELSE
CPRLOC    EQU    CCP    ;VALUE PROVIDED IN Z3BASE.LIB
    ENDIF

;
;  2. DEFAULT FILE TYPES
;
;    The following macros define the file types of the command object files
; (COM files under CP/M 2.2) to be loaded when a non-resident ZCPR3 command
; is given and of the indirect command files (SUB files under CP/M 2.2) to
; be used to extract commands from when the indirect command facility is
; invoked.
;
COMTYP    MACRO
    DB    'COM'
    ENDM

SUBTYP    MACRO
    DB    'SUB'
    ENDM

;
;  3. SUBMIT FILE PROCESSING
;
;    The following flag enables the ability of ZCPR3 to process
; SUBMIT files (command files of the form $$$.SUB).  If SUBON is TRUE, then
; ZCPR3 will process such files like CP/M's CCP normally does; if SUBON is
; FALSE, ZCPR3 will not process such files (ignore them).  In such a case,
; only indirect command file facilities like ZEX will work.  Much code is
; saved inside of the ZCPR3 Command Processor if SUBON is set to FALSE,
; but this rather useful facility is lost.
;
SUBON    EQU    TRUE


;
;  4. COMMAND PREFIX
;
;    The following flag allows ZCPR3 to accept commands of the form
; "du:command params" or "dir:command params".  If DRVPREFIX is TRUE,
; this form is accepted; if FALSE, this form is not accepted.
;
DRVPREFIX    equ    TRUE


;
;  5. COMMAND ATTRIBUTES
;
;    The following equate allows the user to select the attributes of the
; COM files which are selected for execution.  The ZCPR3 Command Processor
; can be made to execute only COM files with the System attribute set, with
; the Directory (non-System) attribute set, or with either attribute set.
; The following values are defined for this equate:
;
;          COMATT    Files Selected
;            0        System
;           80H        Directory
;            1        Both System and Directory
;
COMATT    equ    01H


;
;  6. ZCPR3 RESIDENT COMMAND ACTIVATION AND WHEEL FACILITY
;
;    The following equates enable various ZCPR3-resident commands.
; The user may invoke these as desired, but should keep in mind the size
; of the resulting ZCPR3 and make sure it does not exceed the required
; limits.
;
DIRON    equ    FALSE    ;DIR COMMAND
LTON    equ    TRUE     ;LIST, TYPE COMMANDS
GOON    equ    TRUE     ;GO COMMAND
ERAON    equ    TRUE     ;ERA COMMAND
SAVEON    equ    FALSE    ;SAVE COMMAND
RENON    equ    FALSE    ;REN COMMAND
GETON    equ    FALSE    ;GET COMMAND
JUMPON    equ    FALSE    ;JUMP COMMAND
NOTEON    equ    TRUE     ;NOTE COMMAND

;
;  The Wheel equate table enables the WHEEL facility of ZCPR3.  With this
;  facility, a WHEEL BYTE, which exists somewhere in memory, is examined
;  before a set of installer-selected commands are executed.
;  If this byte is not zero, then the command proceeds.  If it is zero,
;  then the command is not allowed to proceed and is exited with an error
;  message.
;
;  The following set of equates make each of the indicated commands
;  selectable to respond to the Wheel Byte or not.  For instance, if
;  WERA=TRUE, then it responds to the Wheel Byte; if WERA=FALSE, it does not.
;
    IF    Z3WHL NE 0    ;IF A WHEEL BYTE ADDRESS IS DEFINED
WERA    equ    FALSE    ;Make ERA a Wheel-Oriented Command
WREN    equ    FALSE    ; "   REN "   "       "       "
WLT    equ    FALSE    ; "   L/T "   "       "       "  (LIST/TYPE)
WGO    equ    FALSE    ; "   GO  "   "       "       "
WSAVE    equ    FALSE    ; "   SAVE "  "       "       "
WGET    equ    FALSE    ; "   GET "   "       "       "
WJUMP    equ    FALSE    ; "   JUMP "  "       "       "
WDU    equ    FALSE    ; "   DU: "   "       "       " (DU/DIR Change)
WHEEL    equ    WERA OR WREN OR WLT OR WGO OR WSAVE OR WGET OR WJUMP OR WDU
    ENDIF        ;Z3WHL

;
;  7. ZCPR3 RESIDENT COMMAND TABLE
;
;    This table consists of the names of the various ZCPR3-resident
; commands and their addresses.  The NCHARS equate defines how many
; characters long each name may be, and all table entries must be exactly
; the indicated number of characters (trailing spaces are used to fill
; out shorter names).
;
;    Each table entry is structured as follows:
;
;        DB    'CMND'    ;Name of Command (NCHARS long)
;        DB    CMNDADR    ;Address of Command within ZCPR3
;
;    The installer should only change the names of the commands as
; desired and should not, as a rule, touch the address definition since
; this is fixed within the body of ZCPR3.
;
NCHARS    EQU    4        ;NUMBER OF CHARS/COMMAND

CTABLE    MACRO
;
    IF    DIRON
    DB    'DIR '
    DW    DIR        ;DIRECTORY DISPLAY COMMAND
    ENDIF
;
    IF    LTON
    DB    'LIST'
    DW    LIST        ;LIST FILE ON PRINTER COMMAND
    DB    'TYPE'
    DW    TYPE        ;TYPE FILE ON CONSOLE COMMAND
    ENDIF
;
    IF    GOON
    DB    'GO  '
    DW    GO        ;EXECUTE CURRENT TPA COMMAND
    ENDIF
;
    IF    ERAON
    DB    'ERA '
    DW    ERA        ;ERASE FILES COMMAND
    ENDIF
;
    IF    SAVEON
    DB    'SAVE'
    DW    SAVE        ;SAVE TPA COMMAND
    ENDIF
;
    IF    RENON
    DB    'REN '
    DW    REN        ;RENAME FILES COMMAND
    ENDIF
;
    IF    GETON
    DB    'GET '
    DW    GET        ;LOAD FILE INTO TPA COMMAND
    ENDIF
;
    IF    JUMPON
    DB    'JUMP'
    DW    JUMP        ;JUMP TO ANY MEMORY LOCATION COMMAND
    ENDIF
;
    IF    NOTEON
    DB    'NOTE'
    DW    NOTE        ;NOTE - NULL COMMAND (NOP)
    ENDIF
;
    ENDM


;
;  8. CONTROLS ON ZCPR3 RESIDENT COMMANDS
;
;    The following sets of equates provide special controls and
; parameters on various ZCPR3-resident commands.
;

;
;    The following equates set the width of the spacing between the
; file names for the DIR command and the character used to separate file
; names from one another on the same line.
;
;    Assuming that FENCE is set to the character '|', If WIDE is TRUE,
; then the output will look like:
;
;        filename.typ__|__filename.typ ...
;
; while if WIDE is FALSE, the output will look like:
;
;        filename.typ_|_filename.typ ...
;
; (underscore represents a space)
;
WIDE    EQU    TRUE
FENCE    EQU    '|'

;
;    The following equates define two flags which are used in
; conjunction with the DIR command on the command line.  SYSFLG is
; the character used to indicate to DIR that all files, both System
; and Non-System, are to be displayed.  SOFLG is the character used
; to indicate to DIR that only the System files are to be displayed.
; By default, DIR displays non-System files.
;
;    For example, if SYSFLG is set to 'A' and SOFLG is set to
; 'S', then:
;        DIR *.COM A
;
; displays all COM files with both System and non-System attributes
; while:
;        DIR *.COM S
;
; displays only COM files with the System attribute.  Naturally:
;
;        DIR *.COM
;
; displays only COM files with the non-System attribute.
;
SYSFLG    EQU    'A'
SOFLG    EQU    'S'

;
;    The following equate causes ERA to confirm the files to be erased
; before it goes ahead and erases them.  If ERAOK is TRUE, then the user
; will be prompted each time; if it is FALSE, then the user will not be
; prompted.
;
ERAOK    equ    FALSE

;
;    If ERAOK is TRUE, the following equate adds a Verify option to the
; ERA command which causes the user to be prompted only if the Verify
; option letter, defined by ERDFLG, is given after the file name.  If
; ERAV is TRUE, then the user will be asked to verify only when ERDFLG
; is contained in the command line; if ERAV is FALSE, the user will always
; be asked to verify.
;
;    For example, if ERAOK is TRUE, ERAV is TRUE, and ERDFLG is 'V',
; then the command:
;            ERA *.* V
; will result in the file names being displayed and the user being asked
; for verification.  If the V option were not given, the user would not
; be asked for verification.
;
ERAV    equ    FALSE
ERDFLG    equ    'V'

;
;    The following equates set the paging parameters for the TYPE
; command.
;
;    PGDFLT determines if TYPE pages by default.  If PGDFLT is TRUE,
; then:
;        TYPE FILE.TXT
;
; will be paged.  If PGDFLT is FALSE, the above command will not be paged.
;
;    PGDFLG defines the option character in the TYPE command line which
; is used to toggle the default set by PGDFLT.  Assuming that PGDFLG is set
; to 'P', then:
;        TYPE FILE.TXT P
;
; will page the file listing if PGDFLT is FALSE and not page it if PGDFLT is
; TRUE.
;
PGDFLT    EQU    TRUE
PGDFLG    EQU    'P'

;
;    The following equate defines the number of lines on the user's CRT
; screen for use by the TYPE command when it is paging.  This value is usually
; 24.
;
NLINES    EQU    24

;
;    The following equate defines the option letter used with the
; SAVE command to indicate that the associated number is 128-byte sectors
; as opposed to 256-byte pages.  For example, if SECTFLG is set to 'S', then:
;
;        SAVE 25 FILE.BIN S
;
; save 25 128-byte sectors starting at location 100H into the file named
; FILE.BIN.  IF the S option was not present, SAVE would have saved 25
; 256-byte blocks starting at location 100H into the file named FILE.BIN.
;
SECTFLG    EQU    'S'

;
;  9. PATH DEFINITION
;
;    The following equate specifies the address of the PATH to be followed
; for the PATH command-search if the PATH is to be initialized by the BIOS
; and set by the user via a PATH.COM program.  The value of PATH should
; be the address of the PATH data area in memory.  If the internal PATH
; provided by ZCPR3 is to be used, then PATHBASE should be equated to 0,
; which selects the PATH located just after the MEMLOAD routine.  If the
; external PATH is to be used, then PATHBASE should be set to the address
; of the external path.
;
;    A PATH is a series of byte-pairs, terminated by a binary 0.  The first
; byte of each pair is the disk number (1-16 for disks A-P), and the second
; byte of each pair is the user number (0-31).  The special character '$'
; indicates the current user or current disk.  For example, the path
; from current disk/current user to current disk/user 0 to disk A/user 0
; is selected by the following sequence:
;
;        DB    '$$'    ;current disk/user
;        DB    '$',0    ;current disk/user 0
;        DB    1,0    ;disk A/user 0
;        DB    0    ;end of path
;
    IF    EXPATH NE 0    ;External Path Selected
;
;  This equate defines the base address of the external path
;
PATH    equ    EXPATH        ;External ZCPR3 PATH at CBIOS Buffer Area

    ELSE            ;Internal Path Selected
;
;  The following macro defines the n-element internal path
;
IPATH    MACRO
    db    'A'-'@','$'    ;Disk A, Current User
    db    'A'-'@',0    ;Disk A, User 0
    db    0        ;End of Path -- MUST be here
    ENDM
;
    ENDIF

;
;    The following flag enables ZCPR3 to perform an optimized path
; search when it is searching along a path for a file.  If this equate
; is TRUE, ZCPR3 will build a path in memory of absolute entries (A1, B7, etc)
; from the symbolic path (one containing '$') which is the path it would
; otherwise use.  This new path would contain no duplicate path elements,
; where a symbolic path analysis may.  For example, if the path is:
;
;        db    'A'-'@','$'    ;disk A, current user
;        db    'A'-'@',15    ;disk A, user 15
;        db    0
;
; then if the user is logged into A15, setting the below equate to TRUE
; would allow ZCPR3 to build the path:
;
;        db    'A'-'@',15    ;only one entry
;        db    0
;
; in the analysis of this symbolic path, while with this equate FALSE,
; ZCPR3 may log into A15 as many as three times (once for the default
; and twice more for the symbolic path) in looking for a file which is
; not found before it gives up.  Using this minimum path facility costs
; some code in ZCPR3, but it speeds up processing noticably in some cases.
;
;    Enable this equate if MINIMUM PATH SEARCH is to be employed.
;
MINPATH    EQU    TRUE

;
;    In searching for a file along a path, ZCPR3 can be commanded
; to always look in the current logged-in directory before beginning
; the path search.  This equate controls this feature.  If SCANCUR
; is set to TRUE, the current directory need never be referenced in
; a symbolic path expression (DB '$','$') since SCANCUR insures that
; the current directory is scanned.
;
;    Enable this equate if the current DU is always to be scanned.
;
SCANCUR    EQU    TRUE


;
; 10. DU AND DIR CONTROLS
;

;
;    The following equate enables the appearance of the current disk/user
; in the ZCPR3 prompt.  If set to FALSE, the prompt appears as '>' (assuming
; > is the current value of CPRMPT).  If set to TRUE, the prompt appears
; as 'd>' or 'dn>'.  (see INCLNDR below)
;
INCLDU    equ    TRUE

;
;    The following equate allows ZCPR3 to accept the DU: prefix or
; login form for input.  Set this to TRUE if DU: prefix is to be allowed.
;
;    Setting this equate to TRUE allows the following forms:
;
;        A>B1:
;        A>TYPE B4:FILE.TXT
;        A>B:
;        A>1:
;
ACCPTDU    EQU    TRUE

;
;    This equate enables ZCPR3 to process DIR: forms internally
; through the memory-based named directory buffer.  This equate and
; the NDBASE address should be TRUE (non-zero) in order to enable
; ZCPR3 to process named directories.
;
;    If NDINCP is TRUE, the following forms are allowed:
;
;        A>ROOT:
;        A>TYPE TEXT:FILE.TXT
;
; if the other associated equates (below) are set correctly.
;
NDINCP    EQU    TRUE

;
;    The following equate will cause the name of the current directory
; to be displayed as part of the prompt along with the DU form if enabled.
; (see INCLDU above)
;
;    For example, if INCLNDR is TRUE, the prompt would look like:
;
;        B7:TEXT>    -- if INCLDU is also TRUE
;        TEXT>        -- if INCLDU is FALSE
;
INCLNDR    EQU    TRUE

;
;    The following equate allows ZCPR3 to accept the DIR: prefix or
; login form for input.  Set this to TRUE if DIR: prefix is to be allowed.
;
;    Setting this equate to TRUE allows the following forms:
;
;        A>ROOT:
;        A>TYPE TEXT:FILE.TXT
;
ACCPTND    EQU    TRUE

;
;    The following equate determines the hierarchy of DU:/DIR: evaluation.
; Set this to TRUE if DU: is to be tested for before DIR: or set this to
; FALSE if DIR: is to be tested for before DU:.  If this is FALSE, named
; directories like C: (standing for C work area - NOT disk C) are permitted.
;
;    Assuming that a directory for C programs, named 'C', and a root
; directory, named 'ROOT', exist, then if DUFIRST is set to FALSE:
;
;        A>C:    -- logs the user into the directory named 'C'
;        A>ROOT:    -- logs the user into the directory named 'ROOT'
;
; while if DUFIRST is set to TRUE:
;
;        A>C:    -- logs the user into disk C: (dir C can't be accessed)
;        A>ROOT:    -- logs the user into the directory named 'ROOT'
;
DUFIRST    EQU    FALSE

;
;    Enable password check on named directory references.  If a named
; directory is referenced and has a password associated with it, ZCPR3
; will ask the user for this password and approve the reference only
; if he gives a valid response.  One and only one try is permitted.
; Setting this equate to TRUE will enable the password check facility.
;
PWCHECK    EQU    FALSE


;
; 11. COMMAND LINE BUFFER CONTROL
;
;    The MULTCMD equate enables the feature of having more than
; one command on the same line, separated by a separation char
; which is defined by the CMDSEP equate.  If this feature is
; enabled, the command line buffer and buffer pointers are
; moved outside of ZCPR3 at the indicated address of Z3CL.
;
;    MULTCMD indicates if the ability to have more than one command
; on a line is to be enabled, and CMDSEP is the character used to separate
; these commands.  For example, if CMDSEP is ';' and MULTCMD is TRUE, then
; commands like this are possible:
;
;        ERA *.BAK;DIR
;
    IF    Z3CL NE 0
MULTCMD    equ    TRUE
    ELSE
MULTCMD    equ    FALSE
    ENDIF
CMDSEP    equ    ';'


;
; 12. CMDRUN -- ZCPR3 EXTENDED COMMAND PROCESSING FACILITY
;
;    This equate enables the ZCPR3 CMDRUN facility.  If CMDRUN is TRUE, then
; another stage of command processing is invoked should ZCPR3 fail to find
; a COM file when the user gives a command.  This stage involves invoking
; the COM file specified by CMDFCB and giving it the current command line
; as an argument.  In this way, if, say, M80 PROG2 fails as a command,
; a new command like LRUNZ M80 PROG2, SUB M80 PROG2, or ZEX M80 PROG2 may
; be processed.  If the new command fails, an appropriate error message is
; given.
;
;    The ROOTONLY option causes ZCPR3 to only look at the Root (bottom of
; path) for the Extended Command Processor if it is set to TRUE.  If it
; is set to FALSE, the path is searched for the Extended Command Processor.
; The tradeoff here is that ROOTONLY = TRUE is less flexible but somewhat
; faster than ROOTONLY = FALSE.
;
CMDRUN    equ    FALSE    ; Enable the Facility

    if    CMDRUN
ROOTONLY    equ    TRUE     ; TRUE if look at Root Only for Extended
                ; Command Processor, FALSE if look along
                ; path
CMDFCB    MACRO
    db    0
    db    'CMDRUN  '    ;Name of Program
    db    'COM'        ;File Type
    ENDM
    endif    ;CMDRUN


;
; 13. FLOW COMMAND FACILITY
;
;    This equate enables ZCPR3 to respond to IF processing.
; ZCPR3 simply flushes commands if a FALSE IF is currently engaged.
; FCPs must be enabled for IFON to work correctly.
;
IFON    EQU    FALSE


;
; 14. MISCELLANEOUS EQUATES
;
MAXUSR    EQU    31         ;MAXIMUM USER NUMBER ACCESSABLE
MAXDISK    EQU    4        ;MAXIMUM NUMBER OF DISKS ACCESSABLE

SUPRES    EQU    TRUE         ;SUPRESSES USER # REPORT FOR USER 0

SPRMPT    EQU    '$'        ;CPR PROMPT INDICATING SUBMIT COMMAND
CPRMPT    EQU    '>'        ;CPR PROMPT INDICATING USER COMMAND

NUMBASE    EQU    'H'        ;CHAR USED TO SWITCH FROM DEFAULT NUMBER BASE

CURIND    EQU    '$'        ;SYMBOL FOR CURRENT DISK OR USER

COMMENT    EQU    ';'        ;LINES BEGINNING WITH THIS CHAR ARE COMMENTS

;
; END OF ZCPR3 CUSTOMIZATION SECTION
;