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-rw-r--r--sw/z80/kernel/include/drivers/pio.h20
1 files changed, 11 insertions, 9 deletions
diff --git a/sw/z80/kernel/include/drivers/pio.h b/sw/z80/kernel/include/drivers/pio.h
index 5d289ca..0df2ed0 100644
--- a/sw/z80/kernel/include/drivers/pio.h
+++ b/sw/z80/kernel/include/drivers/pio.h
@@ -7,25 +7,27 @@
#define PIO_A 0
#define PIO_B 1
-#define PIO_MODE_0 0
-#define PIO_MODE_1 1
-#define PIO_MODE_2 2
-#define PIO_MODE_3 3
+#define PIO_MODE_BYTE_IN 0
+#define PIO_MODE_BYTE_OUT 1
+#define PIO_MODE_BYTE_BI 2
+#define PIO_MODE_BIT_IO 3
#define PIO_INT_ACTIVE_HIGH (1<<5)
#define PIO_INT_AND_MODE (1<<6)
#define PIO_INT_ENABLE (1<<7)
-void _pio_data(int port, uint8_t data);
-void _pio_command(int port, uint8_t cmd);
+inline void _pio_data(int port, uint8_t data);
+inline void _pio_control(int port, uint8_t cmd);
+
+void pio_set_mode(int port, int mode, uint8_t io);
-void pio_set_mode(int port, int mode);
void pio_set_interrupts(int port, int control);
-void pio_set_interrupts_mask(int port, uint8_t mask);
-void pio_set_io(int port, uint8_t io);
+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);