FOR ADVANCED PROGRAMMERS:MEMORY LOCATIONS USED BY THE GRAPPLERThe Grappler Interface uses those RAM locations set aside for its particular slot and th
CUSTOM DRIVERSIf you are writing your own drivers the following locations are used to access the card CY = NO where N = slot#)Printer Status — $CØSl,Y
APPENDIX A TMUSING GRAPPLER CONMANDS WITHIN A PROGRAMThe following table illustrates how a few Grappler commands would be used within a program:
The following prograas allow you to rest the graphics capability of the Grappler.For Applesoft basic users:5 TEXT1Ø HOME2Ø PRINT ‘ENTER THE SLOT YOUR
For Pascal Users:PROGRAM DEMO,USES TURTLEGRAPHICS, APPLESTUFF,VAR ANGLE, DISTANCE: INTEGER;PRINT, TEXT,BEGINANGLE;8-Ø;INITTURTLE;PNNCOLOR(NHITE);FOR D
The following program will allow you to print a graph that has been previously saved to the disk. For e,~as~ple, after saving the qreph created by one
APPENDIX BDIP SWITCH SETTINGS FOR YOUR PRINTERAll printers must configure to a Centronics type psrallel interface.ANADEX 95ØØ — 93Ø1All switches on S—
TMGRAPPLER PIN ASSIGNMENTS Normal IDSFunction GRAPPLER GRAPPLER*--STE 1 53 2Dl 5 25D2 7 23D3 9 21D4 11 19D5 13 17D6 15 4D7 17 ----ACK 19
LIMITED WARRANTYEvery GRAPPLER INTERFACE is fully tested and quality checked before shipment and is warranted to be free from defects in materials and
INTRODUCTIONTMThe Grappler Interface is a Centronics compatible parallel interface for the Apple II/II+ Computer. In addition to advanced text featur
5. Be sure the power is off. Insert the Grappler card into slot #1 (or any other slot except zero) with a gentle rocking motion until fully seated.
To type a control character, hold down the control key (marked “CTRL’ on the Apple) and then press the appropriate letter. Then release the letter
CTRL-I X Don’t output the high order bit to the printer. This puts the printer back in standard text mode.CTRL-InN Set line length to n characters fr
lines per page (this may vary with the type of printer). Therefore if you specify a printed page length of 6Ø lines (CTRL—I 6ØP), your printer will
GRAPHICS FEATURES AND COMMANDSThe Grappler Interface can output the HIRES screen to the printer by using simple commands. All graphics commands consis
R — Rotate the picture 90 degrees in a clockwise direction. Some printers require this option when printing the image double-size. (See D above.)An ex
PASCAL AND CP/M COMPATIBILITYThe Grappler is compatible with both PASCAL and CP/M. PASCAL l.Ø and CP/M will both recognize the card as a serial int
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