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Some BASIC programs m j}ay contain instructions in their program listings. LIST to read. -To view DOCumentation files one page at a time, k} press [START], [Return], or the Joystick Trigger to display the highlighted DOC file. Pressing the [Esc] key cau l}ses a return to MENU. -To print out a hard-copy of any DOCumentation file, [Q]uit the MENU, boot DOS, and then from m} DOS, use the (C)Copy command: D:Filename.DOC,P: -To use this great MENU program on your own disks, simply n} copy the file "AUTORUN.SYS". D:Filename.DOC,P: -To use this great MENU program on your own disks, simply ! _________________________________ ==== ==== ===== = = ==== = = = = = = = = = ==== p}= = ==== == === = = = = = = = = ==== = = ===== = = ==== WRITTEN IN KYAN PASCAL q} _________________________________ 3-D COMPUTER AIDED DESIGN by DAVID FOSTER For the COMPLETE instructior}ns, on how to use this program, Pascal source listings, customized sub- routines, and a DOS 2.5 ramdisk version, sends} $15 to the author: David Foster 2554 Mifflin Ave. Union City, CA. 94587 PLEASE NOTE THAT Tt}HIS IS A VERY POWERFUL 3-D CAD PACKAGE FOR YOUR 8-BIT ATARI 130XE. THE BRIEF INSTRUCTIONS THAT FOLLOW, SERVE ONLY TO u}INTRODUCE YOU TO THE PROGRAM, AND TO GIVE YOU AN IDEA OF WHAT CAN BE ACCOMPLISHED. PLEASE SUPPORT YOUR "SHAREWARE" Av}UTHOR BY ORDERING THE COMPLETE PACKAGE, INCLUDING MANUAL, CUSTOM SET OF SUBROUTINES, AND THE MUCH MUCH FASTER RAM DISK w}SUPPORT. BRIEFLY, HOW TO GET STARTED ___________________________ ONCE THE PROGRAM IS LOADED, THE MAIN MENU Wx}ILL APPEAR. USE YOUR JOYSTICK TO ENTER A MENU CHOICE. MOVING YOUR JOYSTICK UP OR DOWN, WILL MOVE THE HILIGHTED CURSOR,y} AND ALLOW YOU TO SELECT FROM: LOAD MOVE DRAW SAVE z} QUIT ONCE A COMMAND IS SELECTED, PRESS THE TRIGGER TO ACTIVATE YOUR CHOICE. AS WE ARE JUST BEGINNING, THE DE{}FAULT IS ON "DRAW", SO PRESS THE TRIGGER TO ACTIVATE THE "DRAW" COMMAND. THE DRAWING ROUTINE WILL NOW LOAD INTO YOUR |}COMPUTER. A NEW MENU, THE "DRAWING MENU", WILL NOW APPEAR: NEW AXES POIN}}TS LINES EXIT SELECT "AXES" WITH YOUR JOYSTICK, AND PRESS THE TRIGGER TO ACTIVATE.~} AXES ==== THE X,Y, AND Z AXES REFERENCE LINES WILL NOW APPEAR IN THE CENTER OF YOUR DRAWING SCREEN. NOTE THAT Y}OU DON'T HAVE TO SELECT "AXES", BUT AS IT IS YOUR FIRST ATTEMPT, IT MAY HELP TO CLARIFY WHAT WE ARE ATTEMPTING TO DO.} SHOULD YOU WISH TO ERASE THE AXES AT ANY TIME, SIMPLY SELECT "AXES" AGAIN, AND PRESS THE TRIGGER. THE AXES REFERENC}E LINES WILL VANISH FROM THE SCREEN, LEAVING ONLY YOUR DRAWING CLEARLY VISIBLE. POINTS ====== NOW WE ARE GOING }TO POSTION THE REFERENCE POINTS OF YOUR DRAWING. FROM THE DRAWING MENU, SELECT "POINTS" AND PRESS YOUR TRIGGER TO AC}TIVATE. A PROMPT "POINTS?" WILL APPEAR. NOW, PRESS THE TRIGGER ONLY ONCE. A PROMPT "POSITION POINT" IS GIVEN, AND }A CURSOR APPEARS IN THE CENTER OF THE AXES. YOU MAY NOW USE YOUR JOYSTICK TO POSITION THE CURSOR AT THE DESIRED LOCAT}ION OF YOUR FIRST POINT. AS YOU POSITION THE CURSOR, THE X,Y, AND Z VALUES ARE GIVEN FOR REFERENCES, AND YOU ARE TOLD } WHICH AXIS YOU ARE CURRENTLY PLOTTING ALONG. REMEMBER, WE ARE WORKING IN 3 DIMENSIONS. (FOR YOUR FIRST DRAWING, I S}UGGEST THAT YOU ONLY ATTEMPT A VERY SIMPLE SHAPE; PERHAPS A SIMPLE BOX. DON'T BE DISCOURAGED WITH FIRST RESULTS, AS YOU} WILL GREATLY IMPROVE WITH JUST A LITTLE PRACTICE.) WHEN THE CURSOR IS POSITIONED AT THE LOCATION OF YOUR FIRST DE}SIRED POINT, PRESS THE TRIGGER 'ONCE', TO POSITION THE FIRST POINT. THE PROMPT "POINTS?" WILL AGAIN APPEAR. AGAIN, P}RESS THE TRIGGER ONCE, AND REPEAT THE PREVIOUS STEPS TO POSITION AS MANY POINTS AS YOU DESIRE FOR YOUR DRAWING. AFTE}R YOU HAVE FIXED ALL YOUR POINTS, OR, IF AT ANY TIME YOU SHOULD WISH TO RETURN TO THE DRAWING MENU, SIMPLY MOVE YOUR } JOYSTICK WHILE THE "POINTS?" PROMPT IS VISIBLE. YOUR CURSOR WILL AGAIN RETURN TO THE DRAWING MENU. LINES =====} NOW, LIKE PEEWEE HERMAN, WE ARE GOING TO "CONNECT-THE-DOTS" AND CREATE A "WIRE-FRAME" OUTLINE OF YOUR DRAWING. FR}OM THE DRAWING MENU, SELECT "LINES" AND PRESS YOUR TRIGGER TO ACTIVATE. A PROMPT "LINES?" IS GIVEN. NOW, PRESS THE }TRIGGER ONLY ONCE. A PROMPT "ANCHOR LINE" IS GIVEN AND A SQUARE SHAPED CURSOR APPEARS AT THE VERY CENTER OF THE AXES}. NOW, USE YOUR JOYSTICK TO POSITION THE SQUARE CURSOR OVER THE FIRST POINT YOU WISH TO ANCHOR A LINE TO, AND PRESS} THE TRIGGER ONCE TO ANCHOR. A PROMPT "ATTACH LINE" IS GIVEN. BY CAREFULLY MOVING YOUR JOYSTICK YOU CAN POSITION A} "RUBBER BAND" LINE TO LINK UP WITH THE NEXT REFERENCE POINT ON YOUR OBJECT. WHEN THE CURSOR IS NEARBY THE POINT, PRE}SS THE TRIGGER, AND THE LINE WILL SNAP IN PLACE JOINING YOUR TWO OUTLINE POINTS. AGAIN, A PROMPT "LINES?" WILL APPE}AR. AS BEFORE, PRESS THE TRIGGER ONCE, AND REPEAT THE ABOVE STEPS TO JOIN ALL OF YOUR POINTS, AS DESIRED, THEREBY CR}EATING A "WIRE-FRAME" DRAWING OF YOUR OBJECT. AFTER FIXING ALL LINES, OR, IF AT ANYTIME YOU SHOULD WISH TO RETURN }TO THE DRAWING MENU, SIMPLY MOVE YOUR JOYSTICK WHILE THE "LINES?" PROMPT IS VISIBLE, AND YOU WILL AGAIN GAIN ACCESS TO }THE DRAWING MENU. AFTER YOUR WIRE-FRAME DRAWING IS COMPLETE, OR EVEN BEFORE, YOU MAY REMOVE THE AXES REFERENCE LINES} IN ORDER TO GET A CLEARER VIEW. OR, YOU MAY LEAVE THEM IN IF YOU WISH. PLEASE, BE AWARE THAT IF YOU SELECT "NEW" }AT ANY TIME, YOUR DRAWING WILL BE COMPLETELY ERASED!! NOW, SELECT "EXIT" FROM THE DRAWING MENU AND PRESS THE TRIGG}ER, TO RETURN TO THE MAIN MENU. FROM THE MAIN MENU, SELECT "MOVE" AND PRESS THE TRIGGER. MOVE ==== IN A FEW }MOMENTS, A PROMPT "ROTATE?" WILL APPEAR ALONG WITH A HANDY DIRECTIONAL INDICATOR IN THE UPPER LEFT OF THE DRAWING SCR}EEN. MOVE YOUR JOYSTICK IN THE DIRECTION YOU WISH TO ROTATE YOUR DRAWING, AND A PROMPT "ABOUT THE __ AXIS?" WILL BE }GIVEN. WITH THE JOYSTICK SHOVED IN THE CHOSEN DIRECTION, PRESS THE TRIGGER AT THE SAME TIME, AND YOUR ENTIRE DRAWING }WILL QUICKLY REPOSITION ITSELF AND ROTATE. HOLDING THE BUTTON DOWN WHILE SHOVING THE JOYSTICK WILL CAUSE THE DRAWING} TO REPOSITION ITSELF REPEATEDLY, THEREBY GIVING AN ILLUSION OF A REAL-TIME ROTATION. SHOULD YOU WISH TO RETURN TO THE} MAIN MENU AT ANY TIME, SIMPLY PRESS THE TRIGGER WHEN THE "ROTATE?" PROMPT IS VISIBLE. SELECTING "SAVE" WILL ALLOW Y}OU TO SAVE YOUR DRAWING IN A DISK FILE. SELECTING "LOAD" WILL ALLOW YOU TO LOAD A PREVIOUSLY SAVED DRAWING. SEL}ECTING "QUIT" WILL SIMPLY QUIT THE PROGRAM. AND, THAT'S THE BASICS OF THE DRAWING PROGRAM. IN CONCLUSION} _____________ AS NOTED BEFORE, THESE BRIEF INSTRUCTIONS ARE ONLY INTENDED TO GIVE YOU A TASTE OF USING THE} CAD 3-D PACKAGE. THE COMPLETE PROGRAM AND MANUAL MAY BE ORDERED FROM THE AUTHOR. EXPERIMENT AND, ABOVE ALL, HAVE }FUN...-D PACKAGE. THE COMPLETE PROGRAM AND MANUAL MAY BE ORDERED FROM THE AUTHOR. EXPERIMENT AND, ABOVE ALL, HAVE !B%DOS SYSB*)DUP SYSB SAUTORUN SYSB_HELP DOCB7oCADXE DOC