Apple Grr User Manual download pdf

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INTRODUCTION

The Grappler'^'^'' Interface is a Centronics compatible

parallel interface for the Apple 11/11+ Computer. In

addition to advanced text features. It offers high

resolution dot graphics (HIRES) dump routines located in

firmware. These are easily invoked using simple control

commends.

There is no standardization among printer

manufacturers for dot graphics. Therefore, a specific

version of the Crappler interface was developed for

each type of printer. If you connect a printer to an

incorrect version of the Crappler, the text features

should still function properly. However, the graphics

commands wili have unpredictable results.

INSTALLATION INSTRUCTIONS

To install the Crappler, simply plug it into any slot

inside the Apple (except (S) as follows;

1 Turn off the power to the Apple. This is important to

prevent damage to the computer and the Crappler.

2. Connect the Crappler cable to the set ot pins on the

Crappler interface card. Make sure that all the pins

on the card go into the cable's matching holes. Also,

the cable should point away from the card (it will

only tit one way).

3. Remove the cover from the Apple. This is done by

pulling up on the cover at the rear edge (the edge

farthest from the keyboard) just until the two corner

fasteners pop apart. Don't lift the edge any further,

but instead slide the cover backward until it comes

free.

4. Inside the Apple along the rear edge of the circuit

board, there is a series of eight long, narrow sockets

called "slots." The leftmost slot (looking at the

computer from the keyboard end) is slot »*'0. The

adjacent slot is slot *1 and this is where most Apple

programs expect the Croppler to be.

5. Be sure the power is off. Insert the Crappler card into

slot *1 (or any other slot except zero) with a gentle

rocking motion until fully seated.

6. Pass the cable through one of the vertical openings

in the back of the Apple case.

7. Replace the Apple's cover. Slide the front edge of

the cover into place, and then press down ori the

rear corners until they pop into place.

8. Connect the Crappler cable to the printer.

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Summary of Contents

Page 1 - . .. Vs

. .. Vs.INTRODUCTIONThe Grappler'^'^'' Interface is a Centronics compatible parallel interface for the Apple 11/11+ Computer. In a

Page 2 - TEXT COMMANDS

file:///C|/Documents%20and%20Settings/The%20%20Rat/Desktop/Grappler%20Manual/ReadMe.txtFeel free to link to your Vintage Computer Websitescall_kirk@ho

Page 3

TEXT FEATURESBefore sending a character to the printer, the Grappler will check ttie SELECT and PAPER EMPTY status lines. If the printer is not "

Page 4 - FOR ADVANCED PROGRAMMERS:

CTRL-lnPCTRL-lnL Sei left margin to nth column. Allsubsequent printing will have n spaces a1 the start of each line. For example, w'hen using CTR

Page 5

appear like a negative photograph. Using this command will print the black portions of the screen as black on the paper allowing the picture to appear

Page 6

Page Length Character Counter Line Counter Current Cmd. Char.Text FlagsText Flag Bit Representations: (Bit 7 — Output high order bit)(Bit 6 — Video tu

Page 7 - “VISIPATCH”

The following programs allow you to test the graphics capability of the Grappler.For Applesoft Basic Users:5to20305060708090too110120130140150160TEXTH

Page 8 - Function

For Integer Basic Users:Line 3® should be typed with a CTRL-D between the quotes.Line 4® shouid be typed with a CTRL-1 betv/een the quotes.5 S='l

Page 9 - LIMITED WARRANTY

APPENDIX BDIP SWITCH SEniNGS FOR YOUR PRINTERAll printers must configure to a Centronics type parailel interface.ANADEX 950C5-95C}1All switches on S-3

Page 10

. ..•Jitefcy4-74LIMITED WARRANTYEvery GRAPPLER INTERFACE is fully tested and quality checked before shipment and is warranted to be free from defects

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Apple Grr User Manual

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