Enhancements to Graph It, APX
Contents
1. a sine ware the X axis will be entered from 0 to 360 degrees If you also plot a log function the autoscaling will scale the Y axis for the log of 360 a large number compared to the sine function This causes the sine function to be very close to the X axis If you don t autoscale and enter the Y axis limits based on the sine function 1 to 1 the log function will reach the Y scale limit of Y 1 and continue across the top of the screen Even though the plot reaches the limit of the screen the joystick will calculate and display the proper values SAVING A PLOT After the plots are drawn the screen scrolls up to display the word RADIANS or DEGREES depending on which you selected Press any key to display the menu of CHANGE LIMITS RESTART DO NOT EXIT and a new choice SAVE CHANGE LIMITS returns you to the second menu RADIANS or DEGREES RESTART returns you to the first menu PLOT RETRIEVE or EXIT SAVE stores your plot on diskette The screen displays the filename prompt FILE NAME D JDXY if you re doing X Y plots or FILE NAME D DPL if you re doing POLAR plots Type a filename up to eight letters or numbers the name must start with a letter and press the RETURN key If you answer the filename prompt with an illegal name the screen reprompts you If you respond by only pressing the RETURN key the plot isn t saved the prompt disappears from the screen and you return to the previous menu After the program saves the plot2. enter and merge with the original program us When the Enhancement program loads remove the ENHANCEMENT diskette and insert the Work diskette Save the enhanced version of the program by typing SAVE DiGRAPH POL and pressing the RETURN key v To merge the three dimensional Enhancements program with the ATARI three dimensional X Y Z plots insert the ENHANCEMENT diskette and press the SYSTEM RESET key w Follow the instructions in the ATARI GRAPH IT manual pp 2 3 to load the three dimensional X Y Z plots from side 2 of cassette B x After the program loads and the menu displays press the SYSTEM RESET key y Making sure the ENHANCEMENT diskette is in the disk drive type ENTER DiTHREE CHG and press the RETURN key The Enhancements for the three dimensional X Y Z plots will enter and merge with the original program z When the Enhancements program has loaded remove the ENHANCEMENT diskette and insert the Work diskette Save the enhanced version of the program by typing SAVE D GRAPH 3D and pressing the RETURN key 5 The Work diskette now contains the enhanced graphic programs Be sure the Work diskette is in the disk drive and then turn the computer off and back on again After DOS loads select one of the graphic programs from the menu and refer to the user manual section that follows USING THE MERGED PROGRAMS LOADING THE WORK DISKETTE INTO COMPUTER MEMORY 1 Insert the ATARI BASIC Language Cartridge in the Left Cartr
3. option SAVE Use SAVE to save the chart displayed on the screen to a diskette file for permanent storage press S and the RETURN key SPECIFYING A FILENAME The bottom of the screen displays the filename prompt FILE NAME Di DAB with the cursor positioned after the colon Enter a name up to eight letters or numbers the name must start with a letter and press the RETURN key The filename extender DAB identifies this file as a DAta Bar file and is automatically added to the end of the filename If you answer the filename prompt with an illegal name the screen reprompts you If you respond by only pressing the RETURN key the plot isn t saved the prompt disappears from the screen and yau return to the previous menu As the program saves the file to diskette you ll notice a cursor passing through the chart DISKETTE STORAGE If your diskette doesn t have enough room to hold your plot the message DISK FULL PLEASE CHANGE AND PRESS RETURN displays Insert another formatted diskette It s a good idea to keep some formatted diskettes on hand so you always have one available to store your plots Most bar charts require about 25 sectors RETRIEVING A SAVED BAR CHART Press any key to display the menu and then press Y and the RETURN key to exit The screen then displays the menu BAR CHARTS PIE GRAPHS or EXIT Press B and the RETURN key to display the next menu PLOT RETRIEVE or EXIT Press R and the RETURN key to display a list of
4. program or user instructions rrom ATARI Program Exchange P O Box 3705 Santa Clara CA 95055 seal here STAMP O ARI PROGRAM O EXCHANGE ENHANCEMENTS TO GRAPH IT by HOWARD SIEBENROCK APX 20074 For extended media life here s how to take care of your flexible disk For your disk s sake and the system s too insert disk carefully Precision surface No fingers please Keep it safe in the envelope when not in use Magnetic fields erase Keep them far away may damage Store at 10 to 50 C a Bending and folding Keep disks comfortable Handle with care 50 to 125 F
5. the functions display again DISKETTE STORAGE If your diskette doesn t have enough room to hold your plot the message DISK FULL PLEASE CHANGE AND PRESS RETURN displays Insert another formatted diskette It s a good idea to keep some formatted diskettes on hand so you always have one available to store your plots Most plots require about 55 sectors RETRIEVING A SAVED PLOT Press any key and then press R for RETRIEVE and the RETURN key The screen displays a list of two dimensional plots on the diskette and a prompt for you to enter a filename Type in a name from the list and press the RETURN key The plot you saved displays on the screen along with the function used to plot it DELETING SAVED PLOTS When retrieving plots you have to option of deleting a plot from the diskette Type a in response to the filename prompt press the RETURN key enter the filename to be deleted and press the RETURN key again If you change your mind and don t want to delete a file press the RETURN key without entering a filename USING THE JOYSTICK The joystick works as explained in the ATARI GRAPH IT manual However in the X Y plots if you plot more than one function only the function the cursor is on displays To remove the cursor from the screen press any key then press D for DO NOT EXIT and then press the RETURN key THREE DIMENSIONAL X Y Z PLOTS THE MENUS The first two menus are the same as for the two dimensional plots S
6. to know about any bugs that slipped by us so that the author can fix them We aiso want to know whether our 1 Name and APX number of program Review Form instructions are meeting your needs You are our best source for suggesting improvements Please heip us by taking a moment to fill in this review sheet Fold the sheet in thirds and seal it so that the address on the bottom of the back becomes the envelope front Thank you for helping us 2 If you have problems using the program please describe them here 3 What do you especially like about this program 4 What do you think the program s weaknesses are 5 How can the catalog description be more accurate or comprehensive 6 Onascale of 1 to 10 1 being poor and 10 being excellent please rate the following aspects of this program Easy to use User oriented e g menus prompts clear language Enjoyabie Self instructive Useful non game programs Imaginative graphics and sound 7 Describe any technical errors you found in the user instructions please give page numbers 8 What did you especiaily like about the user instructions 9 What revisions or additions would improve these instructions 10 On a scale of 1 to 10 1 representing poor and 10 representing excellent how would you rate the user instructions and why 11 Other comments about the
7. GPX gt ON PROGRAM EXCHANGE Howard D Siebenrock ENHANCEMENTS TO GRAPH IT Save plots and charts created by ATARI GRAPH IT Diskette 32K APX 20074 User Written Software for ATARI Home Computers Howard D Siebenrock ENHANCEMENTS TO GRAPH IT Save plots and charts created by ATARI GRAPH IT Diskette 32K APX 20074 EZ fs Hi ei t C E A EE T S TR GR AFH TT by Howard D Sieberirock Froaram and Manual Contents 1982 Howard D Sieberrock Copyright notice On receipt of this computer program and associated documentation the software the author grants you a nonexclusive license to execute the enclosed software This software is copyrighted You are prohibited from reproducing translating or distributing this software in any unauthorized manner Distributed By The ATARI Program Exchange P O Box 3705 j Santa Clara CA 95055 To request an APX Product Catalog write to the address above or call toll free 800 538 1862 outside California 800 672 1850 within California Or call our Sales number 408 727 5603 Trademarks of Atari The following are trademarks of Atari Inc ATARIe ATARI 400 Home Computer ATARI 800 Home Computer ATARI 410 Program Recorder ATARI 8107 Disk Drive ATARI 820 40 Column Printer ATARI 822 Thermal Printer ATARI 825 80 Column Printer ATARI 830 Acoustic Modem ATARI 850 Interface Module Printed in U S A CONTENTS INTRODUCTION 1 Overvie
8. IONAL ACCESSORIES One ATARI Joystick Controller CONTACTING THE AUTHOR Users wishing to contact the author about ENHANCEMENTS TO GRAPH IT may write to him at 9309 W 98 Court Westminster CO 80020 GETTING STARTED MAKING A WORKING DISKETTE 1 Insert the ATARI BASIC Language Cartridge in the Left Cartridge slot of your computer 2 Turn on your disk drive 3 When the BUSY light goes out open the disk drive door and insert the ENHANCEMENTS diskette with the label in the lower right hand corner nearest to you Close the door 4 Turn on your computer and TV set 5 DOS will load and then automatically display the Graph It menu program The screen displays the ATARI logo and a list of graphic programs However selecting a program from the menu won t work because only the Enhancements programs are on this diskette You must first load the Graph It programs from the cassette recorder enter the Enhancement programs fram the diskette and then save the enhanced versions of the programs to a Work diskette To create this Work diskette do the following a Press the SYSTEM RESET key and type DOS b After the DOS menu displays remove the ENHANCEMENT diskette and insert a new diskette c Format the new diskette by selecting option I from the DOS menu Then write the DOS files by selecting option H from the menu This is your Work diskette d Remove the Work diskette and insert the ENHANCEMENT diskette Select option O D
9. ar 2 has been damaged by use with non ATARI Home Computer products or 3 has been serviced or modified by anyone other than an Authorized ATARI Computer Service Center Incidental and conse guential damages are not covered by this warranty or by any implied warranty Some states don t allow exclusion of incidental or consequential damages so this exclusion might not apply to you Disclaimer of Warranty and Liability on Computer Programs Most APX programs have been written by people not employed by Atari Inc The programs we select for APX offer something of value that we want to make available to ATARI Home Computer owners To offer these programs to the widest number of people economically we don t put APX products through rigorous testing Therefore APX products are sold as is and we do not guarantee them in any way In particular we make no warranty express or implied including warranties of merchantability and fitness for a particular purpose We are not liable for any losses or damages of any kind that result from use of an APX product For the complete list of current APX programs ask your ATARI retailer for the APX Product Catalog ATARI J N PROGRAM EXCHANGE P O Box 3705 Santa Ciara CA 95055 We re interested in your experiences with APX programs and documentation both favorable and unfavorabie Many of our authors are eager to improve their programs if they know what you want And of course we want
10. bar charts on the diskette along with a prompt for you to enter a filename Type in one of the names from the list and press the RETURN key The saved bar chart will display DELETING SAVED CHARTS When retrieving plots you have to option of deleting a plot from the diskette Type a in response to the filename prompt press the RETURN key enter the filename to be deleted and press the RETURN key again If you change your mind and don t want to delete a file press the RETURN key without entering a filename PIE GRAPHS Pie graphs have the same menus and enhancements as the bar charts Select P in the first menu and create a pie graph The only difference is in the filename extender The pie graphs use DAP for DAta Pie graphs TWO DIMENSIONAL PLOTS X Y amp POLAR THE MENUS The first menu is new with the choices of PLOT RETRIEVE or EXIT Press P and the RETURN key to plot The second menu is also new You may choose between RADIANS or DEGREES to plot the trigonometric functions Press R or D as you prefer and the RETURN key CREATING YOUR PLOT The screen now displays the first menu in the original ATARI GRAPH IT program Refer to the program manual pages 8 or 10 to create a plot Notice that during the plotting the function you entered displays at the bottom of the screen When plotting in two dimensions remember that autoscaling will scale the Y axis to fit on the screen If you re in degrees and plot one period of
11. elect P for PLOT and R for RADIANS The screen displays the prompts to enter the function Refer to the ATARI GRAPH IT manual page 12 to create a three dimensional X Y Z plot If you answer No to the prompt for Non visual plotting you ll see the plot in progress Displayed below is the message NUMBER OF LINES TO GO and the function you entered When the piot is finished the screen scrolls up to remove the message leaving the function and adding the word RADIANS or DEGREES The rest of the enhancements to the three dimensionl plots is the same as for the two dimensional plots 10 Limited Warranty on Media and Hardware Accessories We Atari Inc guarantee to you the original retail purchaser that the medium on which the APX program is recorded and any hardware accessories sold by APX are free from defects for thirty days from the date of purchase Any applicable implied warranties including warranties of merchantability and fitness for a particular purpose are also limited to thirty days from the date of purchase Some states don t allow limitations on a warranty s period so this limitation might not apply to you If you discover such a defect within the thirty day period call APX for a Return Authorization Number and then return the product along with proof of purchase date to APX We will repair or replace the product at our option You void this warranty if the APX product 1 has been misused or shows signs of excessive we
12. idge slot of your computer 2 Turn on your TV screen 3 Turn on the disk drive When the busy light goes out insert the Work diskette into the disk drive and turn on the computer 4 The screen displays the ATARI logo the four graphic programs Bar amp Pie X Y Polar and 3D and the prompt ENTER FIRST LETTER OF GRAPH _ Answer by typing the first letter of your choice and pressing the RETURN key 5 Refer to the appropriate description in the next section for instructions on using the enhanced pragrams BAR CHARTS AND PIE GRAPHS THE MENUS The first screen display is the original menu with the choices of BAR CHARTS PIE GRAPHS or EXIT To plot bar charts press B and the RETURN key To plot pie graphs press P and the RETURN key To reload the main menu and select a different graph program press E and the RETURN key If you press B or P the next menu is new It prompts you to choose PLOT RETRIEVE or EXIT TO MENU Use RETRIEVE to retrieve a previously saved chart or graph press R and the RETURN key Use PLOT to plot a chart or graph press P and the RETURN key Use EXIT to return to the first menu press E and the RETURN key No changes have been made to the parameter input or plotting routines Follow the ATART GRAPH IT manual page 4 to create a bar chart STORING A BAR CHART When your chart is finished press any key to display the menu below the chart Notice that after the EXIT Y N prompt is the new
13. ram with the ATARI two dimensional plots insert the ENHANCEMENT diskette and press the SYSTEM RESET key m Follow the instructions in the ATARI GRAPH IT manual pp 2 3 to load the two dimensional X Y plots from side Z of cassette A EXCEPT in step 16 of the ATARI GRAPH IT manual p 31 when the READY prompt appears on the screen again type CLOAD instead of RUN and press RETURN on the console keyboard n After the program loads and the menu displays press the SYSTEM RESET key o Making sure the ENHANCEMENT diskette is in the disk drive type ENTER DiXY CHG and press the RETURN key The Enhancements program for two dimensional X Y plots will enter and merge with the original program p When the enhancements have loaded remove the ENHANCEMENT diskette and insert the Work diskette Save the enhanced version of the program on the Work diskette by typing SAVE DiGRAPH XY and pressing the RETURN key q To merge the polar Enhancements program with the ATARI two dimensional polar plots insert the ENHANCEMENTS diskette and press the SYSTEM RESET key r Follow the instructions in the ATARI GRAPH IT manual pp 2 3 to load the two dimensional polar plots from side 1 of cassette B s After the program loads and the menu displays press the SYSTEM RESET key t Making sure the ENHANCEMENT diskette is in the disk drive type ENTER DiPOLAR CHG and press the RETURN key The Enhancements program for the two dimensional polar plots will
14. uplicate File enter the filename AUTORUN SYS and press the RETURN key Insert the Work diskette when asked to insert the destination e Remove the Work diskette and insert the ENHANCEMENT diskette Select option O again enter the filename GRAPH and press the RETURN key Insert the Work diskette when asked to insert the destination f The Work diskette should now contain the following files DOS SYS DUP SYS AUTORUN SYS and GRAPH Select option A on the menu and press the RETURN key to verify that the diskette has all these files g You re now ready to merge the Enhancements programs with the original Graph It programs and save the enhanced programs to your Work diskette Insert the ENHANCEMENT diskette select option B Run Cartridge and press the RETURN key hs Follow the instructions in the ATARI GRAPH IT manual pp 2 3 to load the bar charts and pie graphs from side 1 of cassette A i After the program loads and the menu displays press the SYSTEM RESET key j Making sure the ENHANCEMENT diskette is in the disk drive type ENTER Di BARPIE CHG and press the RETURN key The Enhancements program for bar charts and pie graphs will enter and merge with the original program ke When the program has loaded remove the ENHANCEMENT diskette and insert the Work diskette Save the enhanced version of the program onto the Work diskette by typing SAVE DiGRAPH BPI and pressing the RETURN key 1 To merge the X Y Enhancements prog
15. w 1 i Required accessories 1 Optional accessories 1 Contacting the author 1 GETTING STARTED 2 Making a working diskette 2 USING THE MERGED PROGRAMS 5 Loading the Work diskette into computer memory _ 5 Bar charts and pie graphs 6 The menus 6 Storing a bar chart 6 Specifying a filename 6 Diskette storage amp Retrieving a saved bar chart 7 Deleting saved charts 7 Pie graphs _ 7 Two dimensional plots X Y and Polar 8 The menus 8 Creating your plot 8 Savingaplot 8 Diskette storage Retrieving a saved plot 9 Deleting saved plots 9 Using the joystick 9 Three dimensional X Y Z plots 10 The menus 10 INTRODUCTION OVERVIEW The ENHANCEMENTS TO GRAPH IT programs let you save the charts graphs and plots on a diskette that you create using GRAPH IT Then you can retrieve the saved charts graphs and plots later and display them on your TV screen You can change the plotting limits and you can use the joystick as before to display the values at any point plotted You can delete unwanted charts graphs or plots from within the program without going into the Disk Operating System DOS To plot the trigonometric functions in the two or three dimensional plots you now may choose between using radians or degrees The functions entered in the program display below the plots REQUIRED ACCESSORIES 22K RAM ATARI 410 Program Recorder ATARI 10 Disk Drive ATARI BASIC Language Cartridge GRAPH IT CX4109 OPT
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