Difference between revisions of "Peripheral 1 Register"
From SpecNext official Wiki
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{| class="wikitable" | {| class="wikitable" | ||
| − | ! Code ! Effect | + | ! Code !! Effect |
|- | |- | ||
| 00 || Sinclair Joystick (Joystick 1 maps to keys 1,2,3,4,5; joystick 2 maps to keys 6,7,8,9,0) | | 00 || Sinclair Joystick (Joystick 1 maps to keys 1,2,3,4,5; joystick 2 maps to keys 6,7,8,9,0) | ||
Revision as of 01:53, 30 August 2017
| Number | $05 |
|---|---|
| Readable | Yes |
| Writable | Yes |
| Short Description | Sets joystick mode, video frequency, Scanlines and Scandoubler. |
| Bit | Function |
|---|---|
| 7-6 | Joystick 1 mode |
| 5-4 | Joystick 0 mode |
| 3 | Reserved |
| 2 | Enable 60hz mode |
| 1 | Enable Scanlines |
| 0 | Enable Scandoubler |
The codes for joystick modes are as follows:
| Code | Effect |
|---|---|
| 00 | Sinclair Joystick (Joystick 1 maps to keys 1,2,3,4,5; joystick 2 maps to keys 6,7,8,9,0) |
| 01 | Kempston Joystick (uses port Kempston Joystick ($xx1F / 31)). Only one joystick can be Kempston |
| 10 | Cursor Joystick (maps to keys 5,6,7,8,0). Only one joystick can be Cursor |