Radio Shack TRS-80 Bedienungsanleitung

Model IH

Disk System Owner's Manual

Mini-Disk Operation

TRSDOS™ Disk Operating System

Disk BASIC Programming Language

Radio /hack

The biggest name in little computers ™

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;

CUSTOM MANUFACTURED IN THE USA BY RADIO SHACK HADIVISION OF TANDY CORPORATION

The FCC Wants You to Know . .

This equipment generates and uses radio frequency energy. If not installed and used prop-

erly, that is, in strict accordance with the manufacturer's instructions, it may cause interfer-

ence to radio and television reception.

It has been type tested and found to comply with the limits for a Class Bcomputing

device in accordance with the specifications in Subpart Jof Part 15 of FCC Rules, which are

designed to provide reasonable protection against such interference in aresidential instal-

lation. However, there is no guarantee that interference will not occur in aparticular

installation.

If this equipment does cause interference to radio or television reception, which can be

determined by turning the equipment off and on, the user is encouraged to try to correct the

interference by one or more of the following measures:

•Reorient the receiving antenna

•Relocate the computer with respect to the receiver

•Move the computer away from the receiver

•Plug the computer into adifferent outlet so that computer and receiver are on different

branch circuits.

If necessary, you should consult the dealer or an experienced radio/television technician for

additional suggestions. You may find the following booklet prepared by the Federal Com-

munications Commission helpful: How to Identify and Resolve Radio-TV Interference

Problems.

This booklet is available from the US Government Printing Office, Washington, DC

20402, Stock No. 004-000-00345-4.

Warning

This equipment has been certified to comply with the limits for aClass Bcomputing device,

pursuant to Subpart Jof Part 15 of FCC Rules. Only peripherals (computer input/output

devices, terminals, printers, etc.) certified to comply with the Class Blimits may be attached

to this computer. Operation with non-certified peripherals is likely to result in interference to

radio and TV reception.

CHANGE OF ADDRESS

NOTE:If you move, please fill out this card and return it so that you may continue to

receive information regarding this program.

13070181

Version/Date

7R-0312

Purchase Date

NEW ADDRESS:

Name

Company

Address _

City

State Zip

Cat No.

OLD ADDRESS

Name

Company

Address _

City

State Zip

CHANGE OF ADDRESS

NOTE:If you move, please fill out this card and return it so that you may continue to

receive information regarding this program.

Purchase Date I30701S7

Version/Date

cat no. 26 -0312

NEW ADDRESS: OLD ADDRESS:

Name Name

Company Company

Address Address

City City

State Zip State 7jn

INSTRUCTIONS FOR USE

2. Complete the Software Registration portion of this form and mail it immediately.

The Catalog No. may be found by examining the upper-right corner of your diskette.

3. For convenience achange of address card has been included. Copy all information

from the Registration Card onto it prior to sending the Registration Card.

Computer Merchandising

P.O. Box 2910

Fort Worth, Texas 761 13-291

Attn :Software Registration

Computer Merchandising

P.O. Box 2910

Fort Worth, Texas 761 13-291

Attn: Software Registration

PLACE

STAMP

HERE

PLACE

STAMP

HERE

Model III Users

XFERSYS UTILITY ON TRSDOS 1.3

The Model III diskette in this package contains aNEW

version of TRSDOS which is not compatible with OLD versions

of TRSDOS.

OLD TRSDOS diskettes to be used under the NEW TRSDOS MUST

be XFERSYSed before use. Once XFERSYSed, an OLD TRSDOS

diskette becomes aNEW TRSDOS diskette and should not be

used with OLD TRSDOS again. If you started with an OLD

system or data diskette, the XFERSYSed diskette will be a

NEW system or data diskette respectively.

OLD diskettes used under NEW TRSDOS without XFERSYSing, may

cause extraneous information to be read at the end of

files, giving afalse End-of-File (EOF) indication. Some

programs will not function properly under these conditions.

NEW diskettes used under OLD TRSDOS, may not access all

data and/or NEW programs may not run correctly.

If you need to use the XFERSYS utility, see the TRSDOS

section of your TRS-80 Model III Disk System Owner's

Manual.

Note: When changing from one TRSDOS to the other, you MUST

press the RESET button each time the diskette in

Drive is changed. You may also XFERSYS onto aNEW

data disk. If this is done, all system files of the

system diskette will be moved onto the data diskette.

RADIO SHACK APPLICATION PROGRAMS WHICH WERE DELIVERED ON AN

OLD TRSDOS DISKETTE SHOULD NOT BE XFERSYSed.

OLD: TRSDOS 1.1 and 1.2.

NEW: TRSDOS 1.3

file: Acollection of information stored as one

named unit in the directory.

program: Afile which causes the computer to

perform afunction.

data: Information contained in afile which is

used by aprogram.

system diskette: Adiskette containing TRSDOS. When this

diskette is placed in Drive and the

RESET button is pressed, TRSDOS will begin

to run.

data diskette: Adiskette which does not contain TRSDOS.

If this diskette is placed in Drive and

RESET is pressed, the screen will clear

and "Not aSYSTEM Disk" will be displayed.

XFERSYS: Aprogram contained on the TRSDOS 1.3

diskette.

8759117-681

Tips On Loading Disk basic

There are several ways, other than those described in the manual, to start up Disk basic.

basic program -F.files -m: address

program is atrsdos file specification for aDisk basic program. After start-up, Disk basic will run the

program. This is optional.

-f: files tells Disk basic the maximum number of files that may be open at one time, files is a

number from to 15. This is optional; if omitted, 3is used. If Variable length files are

needed, you must include the suffix vafter files; otherwise, files will be Fixed length.

-w.address tells Disk basic not to use memory above the specified address. This is optional; if

omitted, Disk basic uses all memory up to Top.

If all options are omitted, Disk basic will prompt with HON MANY FILES? and MEMORY?

The options allow you to specify any or all of the following:

•Aprogram to run after Disk basic is started.

•The maximum number of data files that may be Open at one time. The larger the number of files,

the less area available for storing and executing your programs. (Note: Each Fixed length file takes

up 360 bytes and each Variable length file takes up 616 bytes of memory.)

•The highest address to be used by Disk basic during program execution. Omit this unless you are

going to call machine-language subroutines.

Examples ,fs

Under trsdos ready, if you type:

BASIC fENTERj,Disk basic will enter the command mode once you answer the files and

memory prompts.

BASIC -F:1(INTER]. Disk basic will Open one fixed length file and protect no memory.

BASIC -M :32000 CENTER), Disk basic will Open three fixed length files and will use

memory no higher than 32000.

BASIC PAYROLL -F:3M .

OTTER), Disk basic will start-up, then load and run the basic

program called payroll; three variable length files can be Opened, and basic can use all

available memory.

Note: If you PATCH Disk basic to prompt you for cassette speed when you enter Disk basic, you

will still be prompted with CASS' no matter which option you use.

Important Note for Model III trsdos 1.3 Users!

The 1.3 version of trsdos will return with ERROR 31 (PROGRAM NOT FOUND) when you

attempt to use the ROUTE command.

Thank-You!

Radio /hack

IADivision of Tandy Corporation -

8759109

Model III

Manual

Radio /hack®

]H ADIVISION OF TANDY CORPORATION

FORT WORTH, TEXAS 76102

TRS-80* Model III Disk System Owner's Man-

Texas 76102 U.S.A. All Mights Reserved.

Reproduction or use, without express written per-

mission from Tandy Corporation or any portion of

this manual is prohibited. While reasonable

efforts have been taken in the preparation of this

manual to assure its accuracy, Tandy Corporation

assumes no liability resulting from any errors or

omissions in this manual or from the use of the

information obtained herein.

Tandy Corporation, Fort Worth, Texas 76102

The system software in the Model III microcom-

puter is retained in aread-only memory (ROM)

format. All portions of this system software,

whether in the ROM format or other source code

form format, and the ROM circuitry are copy-

righted and are the proprietary and trade secret

information of Tandy Corporation and Microsoft.

Use, reproductions, or publication of any portion

of this material without the prior written authori-

zation by Tandy Corporation is strictly prohibited.

10 9876543

OWNER'J

To Our Customers

Congratulations on your purchase of the Model III Disk System. We think it's a

valuable tool which will save you work as well as give you hours of enjoyment

(or maybe both at once). You'll have all the power of the non-disk Model III,

plus the following features:

•Your Computer can now be controlled by trsdos™ ,the powerful trs-80 Disk

Operating System, trsdos is included on adiskette with the Disk System.

•Using trsdos, you can run awide variety of programs, such as the Disk basic

interpreter included on the trsdos diskette.

aEach "system" diskette has approximately 126,720 bytes of storage available

for your own programs and data; each "data" diskette has 178,944 bytes

available.

8You can load and save data at the approximate rate of 250,000 bits per second.

•Your system can continue to grow in power and convenience. When Radio

Shack issues improvements and enhancements to the system programs, you

can "install" them simply by obtaining anew release of the trsdos diskette.

Model III Manuals

Publications related to the use of the Model III Disk System:

Model III Disk System Owner's Manual (this manual). We'll call it the "Disk

Manual" for short.

2. Model 111 Disk System Quick Reference Card.

3. Model III Operation and basic Language Reference Manual, the "Model III

Manual" for short.

4. Model HI basic Quick Reference Card.

For Disk Operation:

This Disk Manual supplements the Model III Manual. Use the Disk Manual as

the primary source of information; we'll tell you when to refer to the non-disk

Model III Manual

For Non-Disk Operation:

To use the Computer as anon-disk system, all you need is the Model III

Manual.

For Programming Information:

The Model III Manual contains most of the programming information, except

that which pertains to disk input/output. In this manual, we will assume that you

LJ— TRS-80 MODEL 111 DISK SYSTEM

are familiar with the basic programming definitions and details given in the

Model III Manual.

About This Manual

The Model III Disk System is intended for use by novices as well as

experienced computer operators and programmers. In designing and writing this

Disk Manual, we've tried to define and satisfy the needs of both groups:

-Novices who might prefer asequential presentation which emphasizes

procedures and explains the purpose of various features.

•Experienced users who might prefer amore analytical presentation which

makes it easy to find specific information.

In this manual, you'll find information that should satisfy your needs, whichever

group you might belong to.

The "Sample Sessions" are especially geared for novices, while the Technical

Information chapters are for the more experienced users.

Keep in mind, however, that it isn't necessary to read the entire manual to

operate the Disk System, if you are only interested in Disk basic, for example,

read the Operation section of this book and then turn directly to the Disk basic

section. You can then go back to the trsdos section when you need to.

Special Terms

Even in the non-technical sections of this manual, we've had to use numerous

special terms. Rather than scattering and repeating definitions throughout the

book, we have used the following convention which we hope you'll find

helpful.

Special terms which are fully defined in another part of the manual are printed in

boldface. Look up the word or phrase in the Index; this will tell you where the

word is fully defined.

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