mbasic vt180, vs.21 basic-80 reference manual aa-p226a-tv

185 Pages·2015·7.41 MB·English

MBASIC VT180, VS.21
BASIC-80 REFERENCE MANUAL
AA-P226A-TV
MBASIC VT180, VS.21
BASIC-80 REFERENCE MANUAL
AA-P226A-TV
developed by
MICROSOFT CORPORATION
Bellevue, Washing ton
DIGITAL EQUIPMENT CORPORATION
Maynard, Massachusetts
The information in this document is subject to change
without notice and should not be construed as a com
mitment by Digital Equipment Corporation. Digital
Equipment Corporation assumes no responsibility for any
errors that may appear in this document.
The software described in this document is furnished
under a license and may only be used or copied in
accordance with the terms of such license.
No responsibility is assumed for the use or reliability
of software by DIGITAL or its affiliated companies.
G
Copyright 1979, MICROSOFT CORPORATION
Licensed to DIGITAL EQUIPMENT CORPORATION,
Maynard, Massachusetts.
The following are trademarks of Digital Equipment
Corporation:
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DATATRIEVE FOCAL SBI
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DECmate LAB-8 TYPESET-II
DECnet MASSBUS UNIBUS
DECSYSTEM-IO OMNIBUS VAX
DECSYSTEM-20 OS/8 VMS
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DECUS PDT Work Processor
DECwriter PHA VTl80
DIBOL
CP/M is a trademark of Digital Research
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If, prior to SEPTEMBER 1, 1983, the customer encounters a problem
wi th the software. as orig inally furnished a Product Exception
Report may be to:
sub~itted
Digital Equipment Corporation
BOX A
146 Main Street
Maynard, MA 01754
Throug h the software authors, DIGITAL wi 11, wi thout add i tional
charg e, respond to the reported error in the current unaltered
release of the software by issuing any known correction informa
tion to the customer reporting the problem and/or issuing notice
of the availability of corrected code. However, DIGITAL makes no
representations or guarantees that such a response will be forth
coming and DIGITAL assumes no responsibility or liability for
such a response or the accuracy thereof.
WARRANTY:
NONE. THIS SOFTWARE PRODUCT IS PROVIDED "AS IS".

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ADDRESS: unaltered release of the software by issuing any known correction
information to the customer reporting the problem and/or issuing
CUST. NO: notice of the availability of corrected code. However, Digital makes no
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basic-80
reference
manual
This manual is a reference for Microsoft's BASIC-80 language, release 5.0 and later.
There are significant differences between the 5.0 release of BASIC-80 and the previous releases
(release 4.51 and earlier). If you have programs written under a previous release of BASIC-80,
check Appendix A for new features in 5.0 that may affect execution.
Information in this document is subject to change without notice and does not represent a
commitment on the part of Microsoft. The software described in this document is
furnished under a license agreement or non-disclosure agreement. The software may be
used or copied only in accordance with the terms of the agreement.
(C) Microsoft, 1979
8101-520-06
BASIC-80 Reference Manual
CONTENTS
INTRODUCTION PAGE
CHAPTER 1 General Information about BASIC-80 1-1
CHAPTER 2 BASIC-80 Commands and Statements 2-1
CHAPTER 3 BASIC-80 Functions 3-1
APPENDIX A New Features in BASIC-80. Release 5.0 A-I
APPENDIX B BASIC-80 Disk I/O B-1
APPENDIX C Assembly Language Subroutines C-l
APPENDIX D BASIC-80 with the CP/M Operating System D-l
APPENDIX E Converting Programs to BASIC-80 E-l
APPENDIX F Summary of Error Codes and Error Messages F-l
APPENDIX G Mathematical Functions G-l
APPENDIX H ASCII Character Codes H-l
INDEX I-I