1 files changed, 7 insertions, 0 deletions
diff --git a/avr/z80-if.h b/avr/z80-if.h
index 1068225..1e7d675 100644
--- a/avr/z80-if.h
+++ b/avr/z80-if.h
@@ -1,6 +1,13 @@
 
 typedef enum {LOW, HIGH} level_t;
 
+typedef union {
+	uint32_t l;
+	uint16_t w[2];
+	uint8_t b[4];
+} addr_t;
+ 
+
 void z80_setup_bus(void);
 void z80_write(uint32_t addr, uint8_t data);
 uint8_t z80_read(uint32_t addr);