Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
The following table shows the I/O macros.
| Programming Element | Description |
|---|---|
| CLRPORT8 | This macro clears a byte from a specified port address. |
| CLRPORT16 | This macro clears a 16-bit word from a specified port address. |
| CLRPORT32 | This macro clears a 32-bit word from a specified port address. |
| CLRREG8 | This macro clears a byte at a specified address. |
| CLRREG16 | This macro clears a 16-bit word at a specified address. |
| CLRREG32 | This macro clears a 32-bit word at a specified address. |
| INPORT8 | This macro reads a byte from a specified address. |
| INPORT16 | This macro reads a 16-bit word from a specified port address. |
| INPORT32 | This macro reads a 32-bit word from a specified address. |
| INREG8 | This macro reads a byte from a specified address. |
| INREG16 | This macro reads a 16-bit word from a specified address. |
| INREG32 | This macro reads a 32-bit word from a specified address. |
| MASKPORT8 | This macro is a helper function that uses a bit mask to write a byte to a specified address. |
| MASKPORT16 | This macro is a helper function that uses a bit mask to write a 16-bit word to a specified address. |
| MASKPORT32 | This macro is a helper function that uses a bit mask to write a 32-bit word to a specified address. |
| MASKREG8 | This macro is a helper function that uses a bit mask to write a byte to a specified address. |
| MASKREG16 | This macro is a helper function that uses a bit mask to write a 16-bit word to a specified address. |
| MASKREG32 | This macro is a helper function that uses a bit mask to write a 32-bit word to a specified address. |
| OUTPORT8 | This macro writes a byte to a specified address. |
| OUTPORT16 | This macro writes a 16-bit word to a specified address. |
| OUTPORT32 | This macro writes a 32-bit word to a specified address. |
| OUTREG8 | This macro writes a byte to a specified address. |
| OUTREG16 | This macro writes a 16-bit word to a specified address. |
| OUTREG32 | This macro writes a 32-bit word to a specified address. |
| SETPORT8 | This macro sets the bits at a specified port address. |
| SETPORT16 | This macro sets a 16-bit word at a specified port address. |
| SETPORT32 | This macro sets a 32-bit word at a specified port address. |
| SETREG8 | This macro sets the bits at a specified address. |
| SETREG16 | This macro sets a 16-bit word at a specified address. |
| SETREG32 | This macro sets a 32-bit word at a specified address. |
See Also
I/O Reference | Production-Quality OAL Components
Send Feedback on this topic to the authors