CPU Speed control: Difference between revisions
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* Turbo off, or turbo on and $07 set to #00: 3.5 Mhz (standard clock). | * Turbo off, or turbo on and $07 set to #00: 3.5 Mhz (standard clock). | ||
* Turbo on, $07 set to #01: 7 Mhz (x2). (Standard for [[Reference | * Turbo on, $07 set to #01: 7 Mhz (x2). (Standard for [[Reference machines|Pentagon]]). | ||
* Turbo on, $07 set to #10: 14 Mhz. | * Turbo on, $07 set to #10: 14 Mhz. (x4) | ||
* Turbo on, $07 set to #11: 28 Mhz. Some features, such as [[Layer 2]] drawing, are disabled at this speed. | * Turbo on, $07 set to #11: 28 Mhz. (x8) Some features, such as [[Layer 2]] drawing, are disabled at this speed. | ||
Revision as of 23:51, 18 August 2017
Acceleration, or Turbo mode, allows the Next to run at faster clock speeds than a standard Spectrum.
Acceleration is enabled via {{#ask: TBRegisterNumber::$06 }} ($06) and configured via {{#ask: TBRegisterNumber::$07 }} ($07), or via a user control. There are four potential settings: