Turbo Sound Next Control: Difference between revisions
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| 7 | Must be 1 | | 7 | Must be 1 | ||
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| 6 | Enable left audio | | 6 | Enable left audio | ||
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| 5 | Enable right audio | | 5 | Enable right audio | ||
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| 4-2 | Must be 1 | | 4-2 | Must be 1 | ||
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| 1-0 | Select active chip. 0-3: SID, AY3, AY2, AY1. | | 1-0 | Select active chip. 0-3: SID, AY3, AY2, AY1. | ||
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Revision as of 14:03, 16 August 2017
| Port Number | $FFFD |
|---|---|
| Decimal | |
| Short desc. | Controls stereo channels and selects active sound chip and sound chip channel. |
| Bit Mask | |
| Readable | No |
| Writable | Yes |
| Subsystem | Turbo Sound Next |
When written to with the top bit set, selects the active sound chip.
| Bit | Function |
|---|---|
| Must be 1 | |
| Enable left audio | |
| Enable right audio | |
| Must be 1 | |
| Select active chip. 0-3: SID, AY3, AY2, AY1. |
Otherwise, selects the register number to access from the active sound chip.