MAME SVN History

199869 Revisions

r23295 Thursday 30th May, 2013 at 13:56:33 UTC by Curt Coder
i8251: Improved interface. (nw)

[src/emu/machine]	i8251.h
[src/mess/drivers]	vk100.c vt100.c

trunk/src/emu/machine/i8251.h
r23294	r23295
82	82	void transmit_clock();
83	83	void receive_clock();
84	84
	85	DECLARE_WRITE_LINE_MEMBER( txc_w ) { if (state) transmit_clock(); }
	86	DECLARE_WRITE_LINE_MEMBER( rxc_w ) { if (state) receive_clock(); }
	87
85	88	void receive_character(UINT8 ch);
86	89
87	90	virtual void input_callback(UINT8 state);

trunk/src/mess/drivers/vk100.c
r23294	r23295
244	244	DECLARE_WRITE_LINE_MEMBER(i8251_rts);
245	245	UINT8 vram_read();
246	246	void vram_write(UINT8 data);
247		DECLARE_WRITE_LINE_MEMBER( fr_w );
248		DECLARE_WRITE_LINE_MEMBER( ft_w );
249	247
250	248	protected:
251	249	virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
r23294	r23295
1033	1031	DEVCB_NULL
1034	1032	};
1035	1033
1036		WRITE_LINE_MEMBER( vk100_state::fr_w )
1037		{
1038		m_uart->receive_clock();
1039		}
1040
1041		WRITE_LINE_MEMBER( vk100_state::ft_w )
1042		{
1043		m_uart->transmit_clock();
1044		}
1045
1046	1034	static COM8116_INTERFACE( dbrg_intf )
1047	1035	{
1048	1036	DEVCB_NULL,
1049		DEVCB_DRIVER_LINE_MEMBER(vk100_state, fr_w),
1050		DEVCB_DRIVER_LINE_MEMBER(vk100_state, ft_w),
	1037	DEVCB_DEVICE_LINE_MEMBER("i8251", i8251_device, rxc_w),
	1038	DEVCB_DEVICE_LINE_MEMBER("i8251", i8251_device, txc_w),
1051	1039	COM8116_DIVISORS_16X_5_0688MHz, // receiver
1052	1040	COM8116_DIVISORS_16X_5_0688MHz // transmitter
1053	1041	};

trunk/src/mess/drivers/vt100.c
r23294	r23295
68	68	TIMER_DEVICE_CALLBACK_MEMBER(keyboard_callback);
69	69	IRQ_CALLBACK_MEMBER(vt100_irq_callback);
70	70	UINT8 bit_sel(UINT8 data);
71		DECLARE_WRITE_LINE_MEMBER( fr_w );
72		DECLARE_WRITE_LINE_MEMBER( ft_w );
73	71	};
74	72
75	73
r23294	r23295
431	429	DEVCB_NULL
432	430	};
433	431
434		WRITE_LINE_MEMBER( vt100_state::fr_w )
435		{
436		m_uart->receive_clock();
437		}
438
439		WRITE_LINE_MEMBER( vt100_state::ft_w )
440		{
441		m_uart->transmit_clock();
442		}
443
444	432	static COM8116_INTERFACE( dbrg_intf )
445	433	{
446	434	DEVCB_NULL,
447		DEVCB_DRIVER_LINE_MEMBER(vt100_state, fr_w),
448		DEVCB_DRIVER_LINE_MEMBER(vt100_state, ft_w),
	435	DEVCB_DEVICE_LINE_MEMBER("i8251", i8251_device, rxc_w),
	436	DEVCB_DEVICE_LINE_MEMBER("i8251", i8251_device, txc_w),
449	437	COM8116_DIVISORS_16X_5_0688MHz, // receiver
450	438	COM8116_DIVISORS_16X_5_0688MHz // transmitter
451	439	};

199869 Revisions