Difference between revisions of "Extended Keys 0 Register"

From SpecNext official Wiki
Jump to: navigation, search
(core 3.1.5 changes/refresh)
(fix to "1 if pressed" logic (opposite to ULA port 254))
 
Line 10: Line 10:
 
! 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

Latest revision as of 21:23, 21 September 2022

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