3 files changed, 10 insertions, 6 deletions
diff --git a/sw/z80/kernel/include/drivers/ctc.h b/sw/z80/drivers/include/ctc.h
index 80e8b4b..80e8b4b 100644
--- a/sw/z80/kernel/include/drivers/ctc.h
+++ b/sw/z80/drivers/include/ctc.h
diff --git a/sw/z80/kernel/include/drivers/pio.h b/sw/z80/drivers/include/pio.h
index 0df2ed0..e91029c 100644
--- a/sw/z80/kernel/include/drivers/pio.h
+++ b/sw/z80/drivers/include/pio.h
@@ -1,8 +1,8 @@
 #ifndef __PIO_H__
 #define __PIO_H__
 
-#include "devices.h"
-#include "types.h"
+#include "addresses.h"
+#include <stdint.h>
 
 #define PIO_A       0
 #define PIO_B       1
@@ -20,6 +20,7 @@
 inline void _pio_data(int port, uint8_t data);
 inline void _pio_control(int port, uint8_t cmd);
 
+/* 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);
@@ -34,4 +35,4 @@ inline void pio_write_pin(int port, uint8_t pin);
 
 // TODO: implement mode (in/out/both) and interrupt vector
 
-#endif // __PIO_H__
+#endif /* __PIO_H__ */
diff --git a/sw/z80/kernel/include/drivers/usart.h b/sw/z80/drivers/include/usart.h
index b85ee3e..bb06aab 100644
--- a/sw/z80/kernel/include/drivers/usart.h
+++ b/sw/z80/drivers/include/usart.h
@@ -1,10 +1,10 @@
 #ifndef __USART_H__
 #define __USART_H__
 
-#include "types.h"
-#include "devices.h"
+#include "addresses.h"
 
-#include "string.h"
+#include <stdint.h>
+#include <string.h>
 
 // baudrate clock divisors 
 // values from TL16C550C datasheet (table 9 for 1.8432 MHz crystal)
@@ -48,6 +48,9 @@
 #define USART_AUTOFLOW_CTS      2
 #define USART_AUTOFLOW_OFF      0
 
+typedef unsigned int    uint;
+typedef uint8_t         register_t;
+
 /* stuctures for usart registers */
 struct IER 
 {