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General| RAM | 64 KB |
|---|---|
| ROM | 32 KB |
| Operating System | Commodore BASIC 3.5 |
| Manufacturer | Commodore International |
| Type | Home computer |
| Release date | 1984 |
| Discontinued | 1985 |
| Predecessor | Commodore 16 |
| CPU | MOS Technology 7501 |
| CPU Speed | 1.77 MHz |
| Graphics | TED (320×200, 121 colors) |
| Sound | TED, 2 channels, 4 octaves |
| Ports | Serial, User port, Tape |
| Storage | Cassette tape |
| Power | 9V AC |
Details on the items included in the computer box and how to unpack them.
Identification and function of switches and sockets on the computer's exterior.
Step-by-step guide for connecting the Plus/4 to a TV or monitor and power.
Explanation of special function keys like RETURN, SHIFT, and RUN/STOP.
Introduction to numeric, integer, and string variables and their usage.
Using PRINT, INPUT, GETKEY, READ/DATA for program interaction.
How to control program flow using GOTO, FOR/NEXT, and DO/LOOP statements.
Using IF/THEN statements to make decisions in programs.
How to set colors for screen areas, characters, and borders.
Using commands to draw dots, lines, circles, and shapes with pixel-level control.
Utilizing the multi-color graphics mode for more color options at lower resolution.
Using the SOUND command to generate tones and noise with specific voice, frequency, and duration.
Comprehensive guide to BASIC 3.5 commands, statements, functions, and variables.
Overview of the Commodore Plus/4's RS-232 interface for connecting external devices.
Details on opening and managing RS-232 communication channels using BASIC.
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