Extended Keys 0 Register
From SpecNext official Wiki
| Number | $B0 |
|---|---|
| Readable | Yes |
| Writable | No |
| Short Description | Read Next keyboard compound keys separately |
Available since core3.1.5.
| Bit | Description |
|---|---|
| 7 | 1 if ; pressed |
| 6 | 1 if " pressed |
| 5 | 1 if , pressed |
| 4 | 1 if . pressed |
| 3 | 1 if UP pressed |
| 2 | 1 if DOWN pressed |
| 1 | 1 if LEFT pressed |
| 0 | 1 if RIGHT pressed |
ULA Control Register ($68) (104) bit 4 stops extended keys from making entries in the 8x5 matrix