| ADR | HEXADR | NAME | Description | shadow | OS |
|---|---|---|---|---|---|
| 16 | $10 | POKMSK | Interrupt-Maske für POKEY | IRQEN |
| BIT | DECIMAL | FUNCTION |
|---|---|---|
| 7 | 128 | BREAK key is enabled. |
| 6 | 64 | "other key" interrupt is enabled. |
| 5 | 32 | Serial input data ready interrupt is enabled. |
| 4 | 16 | Serial output data required interrupt is enabled. |
| 3 | 8 | Serial out transmission finished interrupt is enabled. |
| 2 | 4 | POKEY timer four interrupt is enabled (only in the "B" or later versions of the OS ROMs). |
| 1 | 2 | POKEY timer two interrupt is enabled. |
| 0 | 1 | POKEY timer one interrupt is enabled. |