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Real Time Pascal Compiler
SW2114
Release 2.19.1,  1993.08.16
DANOSI

Contents
     1  diskette marked "Real Time
     Pascal Compiler, Rel. 2.19.1"
     1  Reference Manual for
     The Programming Language Real
     Time Pascal, PN: 99110141
     1 Real-Time Pascal Compiler Re-
     ference Manual, PN: 99001333/2
     1 Package Description (this docu-
     ment)

Purpose
The package contains the Real Time
Pascal Compiler for the RC5000
NetworkSwitch and the RC5000
MegaSwitch systems.
The compiler is used to make
executable software for the above
mentioned systems.


Reason for Release

Diskette generation corrected.
This release corrects some errors
found in previous releases of the
compiler.

Prerequisites

SW2114 requires:
     MS-DOS 3.3 (SW954001) rel. 1.0
     or later
or
     Concurrent DOS vers. 6.0 or later 

The system may run under UNIX VP/ix
too.

Identification of Files

DISK: SW2114_2.19

README21.14                      
INST.BAT                     1182
RTP. EXE                    67888
RTP. OVR                   412850
RTPPAR.TAB                  31472
RTPERR .TXT                 15852
RTPSTD35.ENV                29226
RTPSTD35.N2B                17422
RTPSTD35.A2B                40960
RTPSTD35.M22                 6393
RTPOPE35.LIB                 1722
RTPSTD50.ENV                13246
RTPSTD50.N5B                14350
RTPSTD50.A5B                32768
RTPSTD50.M50                 5148
RTPOPE50.LIB                 1125
RTPSTD86.ENV                13054
RTPSTD86.N8B                14350
RTPSTD86.A8B                32768
RTPSTD86.M86                 5962
RTPOPE86.LIB                1679 
SYS35        <DIR>               
       

\SYS35

RTPNEW35.ENV                31169
RTPNEW35.N2B                21518
RTPNEW35.A2B                65536
RTPNEW35.M22                 9735
 

 
 
Documentation
     Reference Manual for the
     Programming Language Real-Time
     Pascal.

Abstract:
This manual contains the third
revised definition of the
programming language Real-Time
Pascal. The definition is is
implementation independent. The
Real-Time Pascal programming
language is a high level Pascal-like
language, designed to express
algorithms and their implementation
as parallel cooperating processes,
executing on a network of
processing components.
 
     Real-Time Pascal Compiler Re-
     ference Manual

Abstract:
This manual describes the usage of
the MS-DOS implementation of the
Real-Time Pascal Compiler for the
RC5000 NetworkSwitch, the
RC5000 MegaSwitch, and the Intel
x86 equipped controllers.


Corrections and Enhancements

The extension of the objectfile is
changed from .T35 to  .T22

Corrections since release 2.14

-     Test of exceptioncode in
     exception is changed to 'ult' 48.
-     Implementation of option 'create-
     size' corrected.
-     Parameter sequence of ( ref,
     mailbox) changed for oldpi3.


Changes and corrections since relea-
se 2.6

-    Error in connection with index into
     a string, rule066a.
-    Error in code when loading add-
     ress of a field of a type set.
-    Error in code in assign when no
     rangecheck ( TA).
-    Error in get_argument.
-    Error in connection with dynamic
     records with types of length 0.
-    Error in connection with IN.
-    Error in megaload when adding
     offset to addr when size = 2, 3    
      for arrays (3502).
-    Error when using pred and succ.
-    Error when initialize array of array
     with dynamic size.

Changes since release 2.5

The predefined switches: compiler,
RC5000, and PI3 have been replaced
by: language, TA, and I86.

The following bugs have been cor-
rected since release 2.4:

-    Error in connection with local re-
     ference in a forward declared
     routine
-    Error in the object code in connec-
     tion with empty case statement
-    Error in the object code when
     using packed fields as value para-
     meters














Limitations and Recommenda-
tions


Wrong code when using routines
with formal value parameter of
a bound string type.

Bound string type:
When a formal value parameter is of
a bound string type (e.g. alfa), the
actual parameter has to be string of
the same length, because the actual
parameter is not converted to a
string of the same length as the
formal parameter.

RC5000 MegaSwitch as target com-
puter
-    Structured values of type packed
     array and packed record are not
     implemented.
-    packed3502 is only implemented
     for types where the components
     are either not crossing a byte
     boundary or are of type INT16

Intel x86 as target computer
-    packed3502 is only implemented
     for types where the components
     are either not crossing a byte
     boundary or are of type integer


RC5000 Network Switch (RC3502)
as target computer
-    Structured values are not imple-
     mented
-    Use of RC3502 interrupt handling
     is not supported ( i.e. CHANNEL
     statements )
-    Structured constant as array limits
     is not implemented correct.
-    Succ on a subrange, which limits
     are given as process parameters
     does not work correct.
-    LOCKDATA of dynamic types
     with packed array of bit are not
     packed.
-    There is no cleanup when exiting
     routines with local declared re-
     ferences and external specifica-
     tions.
-    Rangecheck is not performed at
     v:= v + 1; when v is a subrange.
-    Pointer type to the type itself is
     not allowed.
-     Procedure new gets an exception
     'pointer nil' if it runs out of
     memory and the wanted type
     contains a pointer.



Memory Requirements for RTP

     Code                     143     K bytes
     Data                      31     -
     Stack                     10     -
     Heap                      60     -
     -------------------------------
     Total                    244     K bytes

Above figures are fixed except the
heapsize, which depends on the
program compiled.

The heap used for the internal name
and symbol table is not included in
the above figures.  Per default the
name and symbol table will occupy
all available heap (except the above
60 Kbytes) if needed. Note it is
possible for the user to specify the
maximum amount of heap the name
and symbol table may occupy.










Installation

The installation of SW2114 is perfor-
med by inserting the diskette in a
drive, selecting that drive and
typing:-  

     INST

This batch job will provide a guide to
installation of the files on the disc
onto a specific drive.

The compiler will be installed in a
directory called RTP.

To be able to call the compiler from
all directories the path RTP must be
included in the searchpath of      the
operating system. This may be done
by adding RTP as parameter to the
PATH command in the AUTOEXEC.-
BAT file ( for CDOS: the STARTxyy.-
BAT file ).
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