1 files changed, 0 insertions, 40 deletions
diff --git a/sw/z80/kernel/drivers/pio.c b/sw/z80/kernel/drivers/pio.c
deleted file mode 100644
index 4321fb8..0000000
--- a/sw/z80/kernel/drivers/pio.c
+++ /dev/null
@@ -1,40 +0,0 @@
-#include "drivers/pio.h"
-
-static uint8_t *pio_port = (uint8_t *) ADDR_DEV_PIO;
-static uint8_t *pio_ctrl = (uint8_t *) (ADDR_DEV_PIO + 2);
-
-inline void _pio_data(int port, uint8_t data)
-{
-    *(pio_port + port) = data;
-}
-
-inline void _pio_control(int port, uint8_t cmd)
-{
-    *(pio_ctrl + port) = cmd;
-}
-
-void pio_set_mode(int port, int mode, uint8_t io)
-{
-    // 0x0F is a control sequence to set mode
-    _pio_control(port, ((mode << 6) | 0x0F));
-
-    // this mode requires an additional argument that sets
-    // a mode for each pin
-    if (mode == PIO_MODE_BIT_IO) {
-        _pio_control(port, io);
-    }
-}
-
-void pio_set_interrupts(int port, int control)
-{
-    // 0x07 is a control sequence to set interrupts
-    _pio_control(port, (control | 0x07));
-}
-
-void pio_set_interrupts_mask(int port, int control, uint8_t mask)
-{
-    // 0x17 is a control sequence to set interrupts
-    // and to interpret the next byte as a mask
-    _pio_control(port, (control | 0x17));
-    _pio_control(port, mask);
-}