diff options
Diffstat (limited to 'sw/z80/drivers/include/pio.h')
-rw-r--r-- | sw/z80/drivers/include/pio.h | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/sw/z80/drivers/include/pio.h b/sw/z80/drivers/include/pio.h deleted file mode 100644 index ee968d7..0000000 --- a/sw/z80/drivers/include/pio.h +++ /dev/null @@ -1,52 +0,0 @@ -#ifndef __PIO_H__ -#define __PIO_H__ - -#include "addresses.h" -#include <stdint.h> - -// DEBUG -#define PIO_ASM_INTERFACE - -// ports -#define PIO_A 0 -#define PIO_B 1 - -// registers -#define PIO_REG_DATA 0 -#define PIO_REG_CTRL 2 - -#define PIO_REG_DATA_A 0 // (PIO_A | PIO_REG_PORT) -#define PIO_REG_DATA_B 1 // (PIO_B | PIO_REG_PORT) -#define PIO_REG_CTRL_A 2 // (PIO_A | PIO_REG_CTRL) -#define PIO_REG_CTRL_B 3 // (PIO_B | PIO_REG_CTRL) - -#define PIO_MODE_BYTE_OUT 0 // mode 0 -#define PIO_MODE_BYTE_IN 1 // mode 1 -#define PIO_MODE_BYTE_BI 2 // mode 2 -#define PIO_MODE_BIT_IO 3 // mode 3 - -#define PIO_INT_DISABLE 0 -#define PIO_INT_ACTIVE_HIGH 2 -#define PIO_INT_AND_MODE 4 -#define PIO_INT_ENABLE 8 - -/* functions used internally to interface with the device */ -inline void _pio_write(uint8_t reg, uint8_t data); -inline uint8_t _pio_read(uint8_t reg); - -/* the last argument is needed only for IO mode */ -void pio_set_mode(int port, int mode, uint8_t io); - -void pio_set_interrupts(int port, int control); -void pio_set_interrupts_mask(int port, int control, uint8_t mask); - -// uint8_t pio_read_data(int port); -uint8_t pio_read(int port); -void pio_write(int port, uint8_t data); - -inline int pio_read_pin(int port, uint8_t pin); -inline void pio_write_pin(int port, uint8_t pin); - -// TODO: implement mode (in/out/both) and interrupt vector - -#endif /* __PIO_H__ */ |