OS_Byte 237
OS SWI Calls
» OS_Byte
» OS_Byte 237
OS_Byte 237
(SWI &06)
| Entry | |
|---|---|
| R0 | 237 (&ED) |
| R1 | EOR value |
| R2 | AND value |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Previous state |
| R2 | Numeric keypad interpretation (see OS_Byte 238) |
Use
The purpose of this call is to read or write the cursor key status.
Notes
The state may also be written with OS_Byte 4.
See also
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