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BASIC Programming (Model# CX2620) is an Atari VCS (later called the Atari 2600) cartridge that teaches simple computer programming. Written by Warren Robinett and released by Atari, Inc. in 1979, it is one of a few non-gaming cartridges for the console. The programming language is similar to dialects of BASIC. The Atari 2600's RAM size of 128 bytes restricts the possibilities for writing programs.
The BASIC Programming display is divided into six regions:
- Program is where instructions are typed. It has a maximum of nine to eleven lines of code.
- Stack shows temporary results of what the program does.
- Variables stores the values of any variables that the program is using.
- Output displays any output values that the program creates.
- Status shows the amount of available memory remaining.
- Graphics contains two colored squares that can be manipulated by the program.
Input is given through two Atari keypad controllers, which came with special overlays to show how to type the different commands and letters. Programs are restricted to 64 characters in size and 9 lines of code, limiting the programs that can be written. Users can disable all windows except Program and keep selecting "New Line" until 11 lines of code are present.
- Interview:Warren Robinett, By James Hague, Halcyon Days, "How long did it take to write?...I had Adventure sort of done in the fall of 1978, but I wasn't satisfied. I sort of put it on the shelf for the next six months while I did the BASIC Programming cartridge, and finished them both simultaneously, in June 1979."
- Controllers - Atari Keypad, Atari KeypadSystem: Atari 2600, Model Number: CX50, Sold in pairs, functionally identical to the Kid's Controller and the Video Touch Pad. Included overlays with commands, meant to be used with Basic Programming.
- BASIC Programming at Atari Mania
- Compumate FAQ:BASIC PROGRAMME EXAMPLES FOR ATARI 2600 (BASIC PROGRAMMING & CompuMate) at the Wayback Machine (archived January 23, 2004)