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HAL_MatrixColumns
Hardware Abstraction Layer
HAL entry points from RISC OS
ยป HAL_MatrixColumns
HAL_MatrixColumns
(HAL entry #53)
int HAL_MatrixColumns(void)
| Entry | |
|---|---|
| - |
| Exit | |
|---|---|
| - | Returns number of keyboard matrix columns |
Use
This is an internal call for OS use only and should not be used by user software.
Returns the number of columns available via the matrix interface. Columns are numbered from 0 to <num columns>-1.