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Topic: Applesoft BASIC


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In the News (Thu 16 Feb 12)

  
 Applesoft BASIC Frequently Asked Questions (FAQ)
With the proliferation of Applesoft BASIC addons in the 70s, 80s and 90s, this FAQ does not attempt to cover any of them, though it may make reference to a few of them from time to time.
Applesoft is somewhat concerned about variable types-- if you try and directly assign a string to a number or vice versa, it'll stop and complain.
Applesoft or ProDOS does not automatically close all open files when your program ends, and as output is buffered, your disk file may not be complete.
www.uni-giessen.de /faq/archiv/apple2.asoft/msg00000.html   (10583 words)

  
 BASIC
Of course, BASIC can be compiled and run like any other high-level language, but its ability to interpret instructions entered at a terminal is what made it so useful for small computers.
The BASICs that are used with personal computers are all extended to allow them to handle the necessary duties, but all are compatible with basic BASIC.
A variable in basic BASIC is a single letter or a single letter followed by a number.
www.du.edu /~etuttle/math/basic.htm   (1807 words)

  
 Basic Language
Generally, the basic interpreters that came with the various 8-bit micros were developed by the companies that manufactured the computer (Apple, Atari, Commodore, etc.) MicrosoftBasic was a replacement BASIC.
Basic was designed as a LanguageForTeaching, however, it was badly designed for that.
However, Basic was very easy to implement (there is even dds, an entry to the 1990 InternationalObfuscatedCeeCodeContest that implements a Basic interpreter in only 8 lines of C).
c2.com /cgi/wiki?BasicLanguage   (701 words)

  
 Folklore.org: Macintosh Stories: MacBasic
"Basic", which was designed for teaching introductory programming by two Dartmouth professors in the 1960s, became the language of choice for early microcomputers because it was interactive, simple and easy to use.
The Apple II included a Basic interpreter known as "Integer Basic", written from scratch by Steve Wozniak, which was almost as idiosyncratically brilliant as his hardware design, stored in 5K bytes of ROM on the motherboard.
He also used the renewal of Applesoft, which would be obsolete in just a year or two as the Mac displaced the Apple II, to get a perpetual license to the Macintosh user interface, in what probably was the single worst deal in Apple's history, executed by John Sculley in November 1985.
www.folklore.org /StoryView.py?project=Macintosh&story=MacBasic.txt   (1237 words)

  
 Apple II History Chap 16
Applesoft I came with a manual that was 8 1/2 inches by 11 inches in size, and sported a blue cover with square glued binding.
When Applesoft II was started up from cassette or diskette versions, the display screen now showed a copyright date of 1978 by Apple Computer, Inc., and 1976 by Microsoft (which may be either their copyright date for the original Microsoft BASIC, or possibly for Microsoft's first 6502 version).
If Applesoft came across the "and" symbol while interpreting a line, it jumped to a known location in memory and left it to the programmer to insert the correct code to add a machine language extension to the language.
apple2history.org /history/ah16.html   (4338 words)

  
 [No title]
It does not rely on Applesoft, nor is it related to it in any way except that they are both BASIC languages.
Applesoft and GS BASIC files are stored differently on disk, and are not interchangeable.
Applesoft lets programmers call subroutines with the GOSUB xxx command, where xxx is the line number to which control branches.
www.apple2.org.za /mirrors/ground.icaen.uiowa.edu/Docs/gsbasic1.doc   (1592 words)

  
 Bringing Up BASIC
The BASIC we use at Dartmouth is a far cry from the slangy street BASICS used by the rest of the world.
So the BASIC in our family was a sophisticated language with a good collection of structured constructs, sophisticated graphics, all the good modularization tools, etc. What a far cry from what most of the rest of the world had to use.
True BASIC also embraces the good things we have demanded from our own versions of BASIC over the years: good and accurate error messages, a user interface that is simple and plain, and the capability to be used for both small and large programs.
www.atariarchives.org /deli/basic.php   (1309 words)

  
 Applesoft Basic Interpreter
This is a collection of utilities that will extract apple ][ disk images and run pure Applesoft Basic programs.
The tools lex and yacc/bison are used to generate the applesoft basic parser.
Applesoft basic programs can now be loaded with the LOAD command, and started using the RUN command.
www.alhem.net /project/applesoft/index.html   (248 words)

  
 The Apple IIe
It used DOS instead of Applesoft for control, but BASIC was still present, and DEBUG did the job of the Monitor command line.
Integer BASIC is like Applesoft BASIC, but has only integer numbers and runs much faster.
Applesoft files saved with SAVE are identified by the letter A. Binary files can be BLOADed and BRUN.
www.du.edu /~etuttle/math/apple.htm   (6479 words)

  
 DN - Applesoft BASIC Frequently Asked Questions (FAQ)
Archive-name: apple2/applesoft Posting-Frequency: monthly Last-modified: February 16 1998 Version: 0.27 URL: http://www.visi.com/~nathan/a2/faq/asoft.html The Applesoft BASIC FAQ NOTE: this FAQ is in beta form, and is still being written.
[The 'POKE 51,0' tricks Applesoft into thinking a program is running; INPUTs and other deferred mode only commands won't work from the prompt without that.] 2.4 Variable names and conventions All variables are identified by their first two characters and an optional extension denoting the variable type.
Applesoft Basic files are not stored as ascii files on disk; all of the keywords are tokenized and stored as single byte values in the code.
www.xs4all.nl /~fjkraan/comp/apple2faq/app2asoftfaq.html   (11544 words)

  
 Apple II History Chap 6
The introduction of an improved version of Applesoft BASIC in late 1978 began to build into a huge customer demand for this more powerful interpreter.
During 1978, when the improved Applesoft was under development, Apple engineers began work on the Apple II Plus, a modest enhancement to the Apple II.
The two BASICs could be told apart by the prompt they used; Integer BASIC used the ">" character, but Applesoft used the "]" character.
apple2history.org /history/ah06.html   (3626 words)

  
 BASIC Programming and Chipmunk Basic Home Page
Chipmunk Basic for Mac OS Chipmunk Basic for Mac OS is an old-fashioned Basic interpreter which runs on almost all Macs.
Chipmunk Basic uses a vintage traditional-style command-line console, but note that line numbers are not required to run Basic program written using an external text editor.
Chipmunk Basic was featured in the Programming Paradigms column of the December 1995 issue of Dr.
www.nicholson.com /rhn/basic   (2746 words)

  
 Applesoft Basic: still in my fingers somehow | One Big Library.
After another head-spinning conversation this morning with my friend R. (who is, somehow, blogless) I revisited the recent piece "Why Johnny can't code" by David Brin in Salon.
In any case, I know for certain that something about Basic stuck in my head after all those years typing in adventure games and making lines dance on an apple ][+ screen.
With just Basic, which was included, you could do cool stuff that was nearly as good as the commercial software you were buying!
onebiglibrary.net /story/applesoft-basic-still-in-my-fingers-somehow   (386 words)

  
 FAQ.applesoft
basic introduction to programming, such as variables, flow of
With the proliferation of Applesoft BASIC addons in the 70s, 80s and
Applesoft commands and the like are shown in uppercase and usually
www.apple2.org /faq/FAQ.applesoft03.html   (403 words)

  
 Review of GSoft BASIC
BASIC is how a user expects to talk to an Apple II.
One of the nicest things about the built-in BASIC (called "Applesoft BASIC") is that it is an interpreted language -- meaning that you can type commands and run them without having to "compile" them into a program first.
Given that Apple II users generally speak BASIC and are used to interpreted languages, you'd guess that an interpreted BASIC for the IIgs would have been among the first products on the shelves for that machine in 1986.
modena.intergate.ca /personal/gslj/gsoft.html   (766 words)

  
 Apple II comp.sys.apple2.programmer FAQs, Part 1/1
Applesoft, a floating point BASIC, is in-ROM on all models starting with the II+.
Applesoft BASIC The #1 Applesoft information source is the Basic Programming Reference Manual from Apple.
Applesoft BASIC programs normally go here, followed by variables 2000-3FFF Hires graphics buffer for page 1 4000-5FFF Hires graphics buffer for page 2 9600-BFFF Normally used by DOS 3.3 or ProDOS ????-95FF Normally used for strings in Applesoft BASIC The hires graphics buffers are only an issue if you need to use them.
www.cs.uu.nl /wais/html/na-dir/apple2/programmerfaq/part1.html   (5090 words)

  
 Microsoft BASIC version information
The BASIC programming language was developed at Dartmouth College in the mid-1960's by professors John Kemeny and Thomas Kurtz, as a vehicle to be used to teach programming.
It serves as both a BASIC interpreter and as MS-DOS's editor for its Edit command in versions 5.0 to 6.22.
Microsoft's BASIC compilers, before the diversion of QB (meant to address the horror of Borland's wildly successful Turbo Pascal), were up to version 5.35 or so (also sold as IBM BASCOM in versions 1.0 and 2.0 before IBM dropped the line).
www.emsps.com /oldtools/msbasv.htm   (3832 words)

  
 VAW: Applesoft BASIC: Paint Program
In Applesoft BASIC, the two-letter instruction GR tells the computer to change from TEXT mode to GRaphic mode.
If you are familiar with Applesoft BASIC, you would probably agree that it is easy to program with but very frustrating in structure.
If you notice below, line 1100 basically states that if the user presses the 1 button (which generates a value of 177) then assign C a value of 1.
homepage.mac.com /vectronic/appleii/simpleplotter.html   (1257 words)

  
 EXAMINING PROTECTED APPLESOFT BASIC PROGRAMS. BY THE DISK JOCKEY. Many protected programs
Also, most protect against re-entering BASIC from the monitor by changing the typical BASIC re-entry poi nt (at $3D0) so that it points to disaster.
If after you boot the progra m a BASIC prompt appears, this is a good indicator that at least some of the program is written in BASIC.
If it runs at about the same speed as t he BASIC programs you have written run, it is a good guess that it is in B ASIC.
www.skepticfiles.org /cowtext/apple/diskjock.htm   (2488 words)

  
 Wizardry in Applesoft BASIC | Googlers' Blogs   (Site not responding. Last check: 2007-10-10)
Long, long ago, probably 1982, a friend gave me a copy of a program that was supposedly a prototype of a role-playing game called Wizardry.
I had just finished the real version of the game (which was written in Apple Pascal) and was astonished to see this crude, low-res graphics version written in Applesoft BASIC.
It was done in way too much detail to be a forgery, and there were enough differences in the storyline that it really did seem to be something that could have involved into the final product.
www.googlersblogs.com /node/4660   (208 words)

  
 Cool AppleSoft BASIC trick I never thought of before
The author suggested that in a family setting, each user could have their own space and not clobber other people's work.
I'm sure it would be trivial to adapt to AppleSoft, presuming there's around 100 bytes of protected memory to stuff it into - the trick on the PET was to use the second cassette buffer since so few users ever had two cassette drives.
OTOH, I am not familiar with this sort of trick being done for AppleSoft, probably because back in those days, people moved to M/L for the Apple very early on because of the demands for speed on graphical programs.
www.classiccmp.org /pipermail/cctalk/2000-May/145287.html   (548 words)

  
 The Virtual PC Museum
The Basic we shipped with the first Apple IIs was never assembled—ever.
Applesoft came from none other than Microsoft (I think they even used an actual assembler).
For example, the 8K Basic interpreter featured in this ad was co-written by a clever nineteen-year-old Harvard dropout from Seattle named Bill Gates.
www.charlieanderson.com /virtual_pc_museum.htm   (1386 words)

  
 Apple II Programmer's Reference: Applesoft Commands
Here's a brief list of Applesoft, Integer Basic, DOS 3.3, and ProDOS commands with descriptions.
I found these in the back of a manual for II in a Mac, one of the first Apple II emulators that ran on the original Mac and Mac 512.
A line typed without a line number is executed immediately; those lines typed with a line number are saved for execution with the RUN command.
www.landsnail.com /a2ref2.htm   (195 words)

  
 Applesoft BASIC - Wikipedia, the free encyclopedia
While Applesoft was slower than Integer BASIC, it had many features that the older BASIC lacked:
Additionally, CHRGET, a vector at location $B1, fetches the next character from program text and provided a hook that allowed external routines to change the interpreter's behavior.
This page was last modified 21:36, 20 December 2006.
en.wikipedia.org /wiki/Applesoft_BASIC   (1015 words)

  
 syndrome3D: software and tool development
The a2basicTranslator application allows Applesoft BASIC program files created on Apple II computers to be converted into human-readable text program listings, providing functionality similar to the BASIC "list" command.
This 0.9 version of a2basicTranslator is capable of reading and converting most Applesoft BASIC programs.
Any uncorrupted program should translate correctly, and some corrupted programs which contain extraneous bytes or duplicate program lines can be translated (although the resulting listing will reflect those errors).
www.syndrome3d.com /dev   (161 words)

  
 [No title]
FPBASIC is a binary file which contains an image * * of the Applesoft Floating Point Basic language.
* * - Copy an image of the Applesoft basic entry point vector * * table to the ACTIVE basic entry point vector table.
If neither a DOS or an Applesoft command is detected, a syntax-error message is generated.
www.textfiles.com /apple/ANATOMY/cmdfp.txt   (3053 words)

  
 AppleCommander
Applesoft BASIC file filter (file is de-tokenized and written out as a text file);
BASIC programs (Applesoft and Integer BASIC); Applesoft BASIC is colored
Very early release of an Applesoft BASIC compiler; John Matthews' bug fixes have been incorporated; Chris Sebrell's fixes have been incorporated.
applecommander.sourceforge.net   (992 words)

  
 Apple II Programming
The #1 Applesoft information source is the Basic Programming Reference Manual from Apple.
Machine coding is when you enter 6502 (65816,...) instructions directly-- as in going to the Apple II monitor (CALL-151) and typing in hexadecimal codes at specific addresses, like 300:A9 7F (instruction to load Accumulator with the value $7F entered at address $300).
The first command will list the first page of code for the Applesoft BASIC interpreter, and the second command will list the second page.
home.swbell.net /rubywand/csa2pfaq.html   (6647 words)

  
 DigiBarn Software: Early release of Microsoft's Applesoft BASIC on cassette tape-1977
The following artifact at the DigiBarn really tantalized us when it was found in a box of donated Apple II software cassette tapes.
What this seems to be is a very, very early release of BASIC for the Apple II from Microsoft.
We sent the scan of this artifact to Paul Allen's personal archivist and they have forwarded this on to the Microsoft Museum for analysis.
www.digibarn.com /collections/software/microsoft/basic-cassette   (171 words)

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