* RATIONALE MANUAL *

***********************************************************
* *
* RATIONALE MANUAL *
* *
* for *
* *
* ZCPR2 -- Z80 Command Processor Replacement, Version 2 *
* *
***********************************************************

by

Richard Conn

Manual Revision 0
26 February 1983

ZCPR2 Version
2.0

Copyright (c) 1982, 1983 by Richard Conn
All Rights Reserved

ZCPR2�� it� utilitie� a� distributed�� an� it� documentatio� �
file� a� distribute� ar� copyrighted�� 1982�� b�� Richar� Conn� �

CP/� i� � registere� trademar� o� Digita� Research.

Rationale Manual for ZCPR2

Table of Contents

Section Page

1.0 Introduction 1

2.0 Comparison Between ZCPR2 and the
CP/M 2.2 CCP 4
2.1 The ZCPR2 Prompt 4
2.2 The ZCPR2 Resident Command Set 5
2.3 The ZCPR2 Residents Versus the
CCP Residents 7
2.4 The Structure of ZCPR2 9
2.5 The ZCPR2 Alternate Commands 11
2.6 Abandoning ^P 13

3.0 The ZCPR2 System 14
3.1 Implementing the Named Directories 14
3.2 Common ZCPR2 Transient Structures
and GENINS 15
3.3 Multiple Command Line Buffer 16
3.4 SYSLIB 17
3.5 Redirectable I/O 18
3.6 ZCPR2 Utility Overview 19

4.0 What Next? 21

.he ZCPR2 Rationale Manual -- Foreword
fo Page F-#
pn 1

Foreword

Welcom� t� th� worl� o� ZCPR2�� Thi� i� on� o� fou� ZCPR� �
manuals�� namel� th� Rational� Manual� It� purpos� i� t� explai� �
wh�� thing� wer� don� th� wa� the� wer� don� unde� ZCPR� an� th� �
ZCPR�� Syste� an� t� presen� th� desig� philosoph� o� th� syste� �
t� you� Thi� manua� i� a� expose� o� wh� � di� thing� lik� � di� �
wit� ZCPR2�� wha� th� trad� off� were� wha� direction� wer� take� �
i� th� desig� an� why�� an� othe� suc� technica� ditties�� Thi� �
manua� i� quit� technica� an� i� provide� t� giv� th� inter�
mediat� an� advance� CP/� use� � bette� feelin� an� understandin� �
o� ZCPR� internal� an� concepts� On� warning� th� -- i� tend� t� �
b� boring�� ɠ becam� bore� i� writin� it�� an� ɠ suspec� th� �
reader� ma� becom� bore� i� readin� it� I� doe� hav� som� value� �
tho� i� th� learnin� process� an� i� presente� fo� thi� reason.

Ther� ar� thre� othe� manual� i� th� ZCPR� Manua� Set� The� �
ar� th� Concept� Manual�� th� Installatio� Manual� an� th� User'� �
Guide.

Thi� Concept� Manua� i� � goo� manua� t� rea� first�� Onc� �
completed�� th� intermediat� o� advance� use� shoul� b� read�� t� �
instal� ZCPR� o� hi� microcomputer�� T� d� this� a� Installatio� �
Manua� i� provided�� Thi� i� ver� technica� an� assume� intimat� �
knowledg� o� 808� an� Z8� assembl� languag� programming�� Fo� �
reader� withou� suc� knowledge�� recommen� tha� yo� fin� you� �
neares� compute� clu� (an� ther� ar� TON� o� them� an� see� help� �
Compute� Club� ar� ver� nic� fo� tha� sor� o� thing� � mysel� a� �
� membe� o� th� Amateu� Compute� Grou� o� Ne�� Jerse�� (ACG-NJ)� �
whic� i� ove� 110� member� strong�� Gettin� involve� i� � com�
pute� clu� ca� reall� b� lot� o� fu� an� educational�� an� infor�
matio� an� programs� lik� ZCPR2� ca� b� shared.

Th� thir� ZCPR� manua� i� th� User'� Guide�� Al� o� th� �
ZCPR�� utilitie� (reference� b� nam� an� versio� number�� ar� �
describe� i� th� User'� Guide�� an� man� sampl� termina� session� �
whic� illustrat� thei� us� ar� included.

ɠ sincerel� hop� yo� enjo� usin� an� possibl� learnin� fro� �
ZCPR2�� I� ha� bee� � pleasur� creatin� it� an� i� i� als� � lo� �
o� fu� t� us� it� M� opinion� o� course.

Richard Conn