Extended Keys 1 Register

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Revision as of 20:25, 21 September 2022 by Ped7g (talk | contribs) (fix to "1 if pressed" logic (opposite to ULA port 254))
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Number TBRegisterNumber::$B1
Readable TBRegisterReadable::Yes
Writable TBRegisterWritable::No
Short Description ShortDesc::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

{{#ask: TBRegisterNumber::$68 }} ($68) (104) bit 4 stops extended keys from making entries in the 8x5 matrix