OS_Byte 129 (scan range) (changes)
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Programmer's OS Reference SWI Manuals Calls
» Part OS_Byte 15 – SWI Calls
» OS OS_Byte 129
» OS_Byte 129 (scan keyboard for range of keys)OS_Byte
» OS_Byte 129
» OS_Byte 129 (scan keyboard for range of keys)
OS_Byte 129 (scan keyboard for range of keys)
(SWI &06)
| Entry | |
|---|---|
| R0 | 129 (&81) |
| R1 | &01 – &7F lowest keyboard scan code EOR &7F |
| R2 | &FF |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Key number, or 255 if none pressed |
| R2 | Corrupted |
Use
The purpose of this call is to scan the keyboard for a range of keys.
See also
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