-/*\r
- Skelton for retropc emulator\r
-\r
- Author : Takeda.Toshiya\r
- Date : 2006.09.14 -\r
-\r
- [ i8251 ]\r
-*/\r
-\r
-#ifndef _I8251_H_\r
-#define _I8251_H_\r
-\r
-#include "vm.h"\r
-#include "../emu.h"\r
-#include "device.h"\r
-\r
-#define SIG_I8251_RECV 0\r
-#define SIG_I8251_BREAK 1\r
-#define SIG_I8251_DSR 2\r
-#define SIG_I8251_CLEAR 3\r
-#define SIG_I8251_LOOPBACK 4\r
-\r
-class FIFO;\r
-\r
-class I8251 : public DEVICE\r
-{\r
-private:\r
- // i8251\r
- uint8 recv, status, mode;\r
- bool txen, rxen, loopback;\r
- \r
- // output signals\r
- outputs_t outputs_out;\r
- outputs_t outputs_rxrdy;\r
- outputs_t outputs_syndet;\r
- outputs_t outputs_txrdy;\r
- outputs_t outputs_txe;\r
- outputs_t outputs_dtr;\r
- outputs_t outputs_rst;\r
- \r
- // buffer\r
- FIFO *recv_buffer;\r
- FIFO *send_buffer;\r
- int recv_id, send_id;\r
- \r
-public:\r
- I8251(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)\r
- {\r
- init_output_signals(&outputs_out);\r
- init_output_signals(&outputs_rxrdy);\r
- init_output_signals(&outputs_syndet);\r
- init_output_signals(&outputs_txrdy);\r
- init_output_signals(&outputs_txe);\r
- init_output_signals(&outputs_dtr);\r
- init_output_signals(&outputs_rst);\r
- }\r
- ~I8251() {}\r
- \r
- // common functions\r
- void initialize();\r
- void release();\r
- void reset();\r
- void write_io8(uint32 addr, uint32 data);\r
- uint32 read_io8(uint32 addr);\r
- void write_signal(int id, uint32 data, uint32 mask);\r
- void event_callback(int event_id, int err);\r
- void save_state(FILEIO* state_fio);\r
- bool load_state(FILEIO* state_fio);\r
- \r
- // unique functions\r
- void set_context_out(DEVICE* device, int id)\r
- {\r
- register_output_signal(&outputs_out, device, id, 0xff);\r
- }\r
- void set_context_rxrdy(DEVICE* device, int id, uint32 mask)\r
- {\r
- register_output_signal(&outputs_rxrdy, device, id, mask);\r
- }\r
- void set_context_syndet(DEVICE* device, int id, uint32 mask)\r
- {\r
- register_output_signal(&outputs_syndet, device, id, mask);\r
- }\r
- void set_context_txrdy(DEVICE* device, int id, uint32 mask)\r
- {\r
- register_output_signal(&outputs_txrdy, device, id, mask);\r
- }\r
- void set_context_txe(DEVICE* device, int id, uint32 mask)\r
- {\r
- register_output_signal(&outputs_txe, device, id, mask);\r
- }\r
- void set_context_dtr(DEVICE* device, int id, uint32 mask)\r
- {\r
- register_output_signal(&outputs_dtr, device, id, mask);\r
- }\r
- void set_context_rst(DEVICE* device, int id, uint32 mask)\r
- {\r
- register_output_signal(&outputs_rst, device, id, mask);\r
- }\r
-};\r
-\r
-#endif\r
-\r
+/*
+ Skelton for retropc emulator
+
+ Author : Takeda.Toshiya
+ Date : 2006.09.14 -
+
+ [ i8251 ]
+*/
+
+#ifndef _I8251_H_
+#define _I8251_H_
+
+#include "vm.h"
+#include "../emu.h"
+#include "device.h"
+
+#define SIG_I8251_RECV 0
+#define SIG_I8251_BREAK 1
+#define SIG_I8251_DSR 2
+#define SIG_I8251_CLEAR 3
+#define SIG_I8251_LOOPBACK 4
+
+class FIFO;
+
+class I8251 : public DEVICE
+{
+private:
+ // i8251
+ uint8 recv, status, mode;
+ bool txen, rxen, loopback;
+
+ // output signals
+ outputs_t outputs_out;
+ outputs_t outputs_rxrdy;
+ outputs_t outputs_syndet;
+ outputs_t outputs_txrdy;
+ outputs_t outputs_txe;
+ outputs_t outputs_dtr;
+ outputs_t outputs_rst;
+
+ // buffer
+ FIFO *recv_buffer;
+ FIFO *send_buffer;
+ int recv_id, send_id;
+
+public:
+ I8251(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
+ {
+ init_output_signals(&outputs_out);
+ init_output_signals(&outputs_rxrdy);
+ init_output_signals(&outputs_syndet);
+ init_output_signals(&outputs_txrdy);
+ init_output_signals(&outputs_txe);
+ init_output_signals(&outputs_dtr);
+ init_output_signals(&outputs_rst);
+ }
+ ~I8251() {}
+
+ // common functions
+ void initialize();
+ void release();
+ void reset();
+ void write_io8(uint32 addr, uint32 data);
+ uint32 read_io8(uint32 addr);
+ void write_signal(int id, uint32 data, uint32 mask);
+ void event_callback(int event_id, int err);
+ void save_state(FILEIO* state_fio);
+ bool load_state(FILEIO* state_fio);
+
+ // unique functions
+ void set_context_out(DEVICE* device, int id)
+ {
+ register_output_signal(&outputs_out, device, id, 0xff);
+ }
+ void set_context_rxrdy(DEVICE* device, int id, uint32 mask)
+ {
+ register_output_signal(&outputs_rxrdy, device, id, mask);
+ }
+ void set_context_syndet(DEVICE* device, int id, uint32 mask)
+ {
+ register_output_signal(&outputs_syndet, device, id, mask);
+ }
+ void set_context_txrdy(DEVICE* device, int id, uint32 mask)
+ {
+ register_output_signal(&outputs_txrdy, device, id, mask);
+ }
+ void set_context_txe(DEVICE* device, int id, uint32 mask)
+ {
+ register_output_signal(&outputs_txe, device, id, mask);
+ }
+ void set_context_dtr(DEVICE* device, int id, uint32 mask)
+ {
+ register_output_signal(&outputs_dtr, device, id, mask);
+ }
+ void set_context_rst(DEVICE* device, int id, uint32 mask)
+ {
+ register_output_signal(&outputs_rst, device, id, mask);
+ }
+};
+
+#endif
+
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