Extended Keys 0 Register: Difference between revisions

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Ped7g (talk | contribs)
core 3.1.5 changes/refresh
Ped7g (talk | contribs)
fix to "1 if pressed" logic (opposite to ULA port 254)
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! Bit !! Description
! Bit !! Description
|-
|-
| 7 || 0 if ; pressed
| 7 || 1 if ; pressed
|-
|-
| 6 || 0 if " pressed
| 6 || 1 if " pressed
|-
|-
| 5 || 0 if , pressed
| 5 || 1 if , pressed
|-
|-
| 4 || 0 if . pressed
| 4 || 1 if . pressed
|-
|-
| 3 || 0 if UP pressed
| 3 || 1 if UP pressed
|-
|-
| 2 || 0 if DOWN pressed
| 2 || 1 if DOWN pressed
|-
|-
| 1 || 0 if LEFT pressed
| 1 || 1 if LEFT pressed
|-
|-
| 0 || 0 if RIGHT pressed
| 0 || 1 if RIGHT pressed
|}
|}
{{NextRegNo|$68}} (104) bit 4 stops extended keys from making entries in the 8x5 matrix

Revision as of 20:23, 21 September 2022

Number TBRegisterNumber::$B0
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 ; 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

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