X-Git-Url: http://cloudbase.mooo.com/gitweb/z180-stamp.git/blobdiff_plain/64045ba0916623ab9e7c2f1eed837a2aae081e63..4bc81323e51ac138e733c14eeb6f283ae706e904:/avr/z80-if.h

diff --git a/avr/z80-if.h b/avr/z80-if.h
index 1e7d675..b02fe23 100644
--- a/avr/z80-if.h
+++ b/avr/z80-if.h
@@ -1,24 +1,36 @@
 
-typedef enum {LOW, HIGH} level_t;
+#define ZST_ACQUIRED	0x01
+#define ZST_RUNNING	0x02
+
+typedef enum { 
+	RESET		= 0x00,
+	RESET_AQRD	= ZST_ACQUIRED,
+	RUNNING		= ZST_RUNNING,
+	RUNNING_AQRD	= ZST_RUNNING | ZST_ACQUIRED,
+} zstate_t;
 
-typedef union {
-	uint32_t l;
-	uint16_t w[2];
-	uint8_t b[4];
-} addr_t;
- 
+typedef enum { 
+	Reset,
+	Request,
+	Release,
+	Run,
+	Restart,
+	M_Cycle
+} bus_cmd_t;
+
+typedef enum {LOW, HIGH} level_t;
 
+zstate_t z80_bus_state(void);
+zstate_t z80_bus_cmd(bus_cmd_t cmd);
 void z80_setup_bus(void);
+int z80_stat_reset(void);
+//void z80_busreq(level_t level);
+int z80_stat_halt(void);
+
 void z80_write(uint32_t addr, uint8_t data);
 uint8_t z80_read(uint32_t addr);
-void z80_request_bus(void);
-void z80_release_bus(void);
 void z80_memset(uint32_t addr, uint8_t data, uint32_t length);
-void z80_reset(level_t level);
-void z80_reset_pulse(void);
-void z80_busreq(level_t level);
-void z80_write_block(uint8_t *src, uint32_t dest, uint32_t length);
-int z80_stat_halt(void);
+void z80_write_block(const FLASH uint8_t *src, uint32_t dest, uint32_t length);
 
 
 typedef enum fifo_t {fifo_in, fifo_out, NUM_FIFOS} fifo_t;