What Does the Commodore Key Do?
The Commodore key is a unique feature on the Commodore 64 (C64) computer, a popular home computer in the 1980s. It is often overlooked, but it serves several purposes that are essential to the functionality of the C64. In this article, we will explore what the Commodore key does and its significance in the world of retro computing.
What is the Commodore Key?
The Commodore key is a special key located on the C64 keyboard, marked with a Commodore logo. It is also known as the ` key. This key is used to switch between the computer’s Upper Case/Graphic mode and Lower Case/Text mode.
Upper Case/Graphic Mode
When the Commodore key is pressed, the C64 enters Upper Case/Graphic mode. In this mode, all characters typed on the keyboard are in UPPER CASE, and the computer is in GRAPHIC MODE. This means that any graphics or text written in the program will be displayed in the default graphics mode, which is usually 40×25 characters.
Lower Case/Text Mode
When the Commodore key is released, the C64 enters Lower Case/Text mode. In this mode, all characters typed on the keyboard are in LOWER CASE, and the computer is in TEXT MODE. This means that any text written in the program will be displayed in the default text mode, which is usually 40×25 characters.
Functions of the Commodore Key
The Commodore key has several functions that are essential to the C64’s operation:
- Switching between Upper Case/Graphic mode and Lower Case/Text mode: As mentioned earlier, the Commodore key switches between the two modes.
- Resetting the computer: Pressing the Commodore key and the Reset button simultaneously resets the computer.
- Loading and saving programs: The Commodore key is used to load and save programs from cassette tapes or floppy disks.
- Accessing special functions: The Commodore key is used to access special functions, such as the BASIC interpreter and the Graphics mode.
In Conclusion
The Commodore key is a vital part of the Commodore 64 computer, and its functions are essential to the computer’s operation. Understanding what the Commodore key does and how to use it will help you to get the most out of your C64 and enjoy the world of retro computing.
Frequently Asked Questions
- What is the Commodore key used for?: The Commodore key is used to switch between Upper Case/Graphic mode and Lower Case/Text mode, reset the computer, load and save programs, and access special functions.
- What is the difference between Upper Case/Graphic mode and Lower Case/Text mode?: Upper Case/Graphic mode displays characters in UPPER CASE and is used for graphics and text written in the program. Lower Case/Text mode displays characters in LOWER CASE and is used for text written in the program.
- How do I reset the computer using the Commodore key?: Press the Commodore key and the Reset button simultaneously to reset the computer.
Table: Commodore Key Functions
| Function | Description |
|---|---|
| Switching between Upper Case/Graphic mode and Lower Case/Text mode | Switches between the two modes |
| Resetting the computer | Resets the computer when pressed with the Reset button |
| Loading and saving programs | Used to load and save programs from cassette tapes or floppy disks |
| Accessing special functions | Used to access special functions, such as the BASIC interpreter and the Graphics mode |
I hope this article has helped you to understand what the Commodore key does and its significance in the world of retro computing.
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