![]() ![]() They can include special characters with the exception of the dollar sign ($). Symbolic names can have up to 31 characters although typically they have 12 or fewer characters. You can also clear all symbols from the loaded symbol files.Īt present you canNOT save symbol tables to symbol files on your pc. Symbols can be added to (or removed from) the symbol table. Once a symbol file is loaded into a symbol table, the symbol table can be set either "Active" (ON) or "Inactive" (OFF). The other 6 symbol files are not automatically loaded when AppleWin is launched. If you have USER1.SYM in the same directory with AppleWin.exe, then it also is automatically loaded when AppleWin is launched. ![]() These are text files that can be examined or modified with your favorite editor (e.g., Notepad.exe). By default these 2 files are loaded into "Main" and "Basic" respectively when AppleWin is launched. These files are: APPLE2E.SYM and A2_BASIC.SYM. In this help file, "symbol table" refers to the AppleWin "in memory" symbol table, while "symbol file" refers to the file that resides on your pc.ĪppleWin supplies 2 default symbol files in the directory with Applewin.exe. You can have up to 9 different symbol files loaded into the emulator at one time: The 9 symbol files (with the following specific names) reside in the same directory as AppleWin.exe. ![]() Symbols are defined in files (*.sym) that are then loaded into the AppleWin emulator. If you are using AppleWin to examine, trace or debug software specific to DOS3.3 or ProDOS, or some other language such as Pascal, or a user written 6502 program, then you may be interested in the rest of this help. byte1" (see Memory Changing commands).įor most users, the default symbol files loaded (Main and Basic) are sufficient for most purposes and no adjustment to the symbolic tables or files is required. Symbols can also be used in other AppleWin commands, for example, "MEW. If nothing else, it might give you ideas to include in your resolution to these "Symbol documentation" issues. I will "throw it over the wall" to you in a few days. I'm not the best writer and its only in "text" format, but it's more accurate and complete than the current CHM and inline help. With the other issues I've raised, this should result in another documentation update.īy the way, since I am generally new to using these Symbolic files I've started writing some preliminary documentation for Symbols. Not sure yet how to define new symbols in SYMUSER and then save them to A2_USER1.SYM. Now "SYMUSER LOAD" loads from A2_USER1.SYM. It seems the "filename" in the description is referring to specific filenames, namely:Ĭreate a file "A2_USER1.SYM" in the same directory as AppleWin.exe. I get no messages about saving (or not saving).Īnd nothing was apparently loaded because.Īnd sure enough, I try one more thing (after peeking at the actual code that I received from Tom C. I've tried several variations on the following, but I'm probably doing something wrong or maybe it doesn't work the way I think it should. LOAD : Loads symbols from last/default "filename" SYMUSER, First user symbol table lookup/menu You are equipped with photon torpedo tubes, phaser arrays, a navigation and tactical computer as well as a full complement of the best starfleet officers of the Federation.Ī short help file found somewhere on Google:ĪPPLE TREK COMMANDS - Compiled by Paula - Rev.The documentation isn't clear how this works, but I'm trying to save and then reload a "user" symbol table based on the command window help for SYMUSER: How to read the navigation array: The hundreds digits represent the number of Klingons occupying a sector, the tens digits are the starbases and the units are the stars. You have been assigned a 3 year mission to seek and destroy K battle cruisers, with the help of Bs scattered across the galaxy. The object is simple: You are the captain of the E. Pop quiz: How do you do trigonometry calculations when you don't have floating point nor a sin() function? It was written in Integer BASIC for the original Apple IIs which didn't have floating point BASIC. ![]() Apple Trek was published in November 1978 by Wendell Sander (who later became head engineer of the Apple /// Team), on a software collection called The Apple Tapes- Introductory programs for the Apple II. ![]()
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