Difference between revisions of "Extended Keys 1 Register"
From SpecNext official Wiki
(core 3.1.5 changes/refresh) |
(fix to "1 if pressed" logic (opposite to ULA port 254)) |
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| Line 10: | Line 10: | ||
! Bit !! Description | ! Bit !! Description | ||
|- | |- | ||
| − | | 7 || | + | | 7 || 1 if DELETE pressed |
|- | |- | ||
| − | | 6 || | + | | 6 || 1 if EDIT pressed |
|- | |- | ||
| − | | 5 || | + | | 5 || 1 if BREAK pressed |
|- | |- | ||
| − | | 4 || | + | | 4 || 1 if INV VIDEO pressed |
|- | |- | ||
| − | | 3 || | + | | 3 || 1 if TRUE VIDEO pressed |
|- | |- | ||
| − | | 2 || | + | | 2 || 1 if GRAPH pressed |
|- | |- | ||
| − | | 1 || | + | | 1 || 1 if CAPS LOCK pressed |
|- | |- | ||
| − | | 0 || | + | | 0 || 1 if EXTEND pressed |
|} | |} | ||
| + | |||
| + | {{NextRegNo|$68}} (104) bit 4 stops extended keys from making entries in the 8x5 matrix | ||
Revision as of 20:25, 21 September 2022
| Number | $B1 |
|---|---|
| Readable | Yes |
| Writable | No |
| Short Description | Read Next keyboard compound keys separately |
Available since core3.1.5.
| Bit | Description |
|---|---|
| 7 | 1 if DELETE pressed |
| 6 | 1 if EDIT pressed |
| 5 | 1 if BREAK pressed |
| 4 | 1 if INV VIDEO pressed |
| 3 | 1 if TRUE VIDEO pressed |
| 2 | 1 if GRAPH pressed |
| 1 | 1 if CAPS LOCK pressed |
| 0 | 1 if EXTEND pressed |
ULA Control Register ($68) (104) bit 4 stops extended keys from making entries in the 8x5 matrix