FAST
| BASIC keyword | |
| Keyword: | FAST |
| Abbreviation: | F and SHIFT + A |
| Type: | Command |
| Token code: | (254 37) / $fe $25 |
| Handling routine in BASIC ROM: |
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| List of all BASIC keywords | |
Remark: This article describes the BASIC command FAST in Commodore BASIC 7.0 or higher.
Type: Command General Programming-Syntax: FAST
The command FAST switches the clock frequency of the Processor from 1 MHz to 2 MHz. This deactivates the 40-character screen mode and graphics and text output is only in 80-character screen mode. The FAST mode with the 2 MHz clock of the processor can be terminated again with the command SLOW.
Note: When using a television set (at the RF connection) or monitors (at the video/audio socket) with the 40-character mode, no picture output is visible in FAST mode!
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