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r21783 Sunday 10th March, 2013 at 13:29:09 UTC by Nathan Woods
Minor cleanups (nw)

[src/mess/includes]	coco.h
[src/mess/machine]	coco.c

trunk/src/mess/machine/coco.c

r21782	r21783
75	75	//**************************************************************************
76	76
77	77	//-------------------------------------------------
	78	//  ctor
	79	//-------------------------------------------------
	80
	81	coco_state::coco_state(const machine_config &mconfig, device_type type, const char *tag)
	82	: driver_device(mconfig, type, tag),
	83	m_maincpu(*this, MAINCPU_TAG),
	84	m_pia_0(*this, PIA0_TAG),
	85	m_pia_1(*this, PIA1_TAG),
	86	m_dac(*this, DAC_TAG),
	87	m_wave(*this, WAVE_TAG),
	88	m_cococart(*this, CARTRIDGE_TAG),
	89	m_ram(*this, RAM_TAG),
	90	m_cassette(*this, CASSETTE_TAG),
	91	m_bitbanger(*this, BITBANGER_TAG),
	92	m_vhd_0(*this, VHD0_TAG),
	93	m_vhd_1(*this, VHD1_TAG)
	94	{
	95	}
	96
	97
	98	//-------------------------------------------------
78	99	//  analog_port_start
79	100	//-------------------------------------------------
80	101

trunk/src/mess/includes/coco.h

r21782	r21783
34	34
35	35	SLOT_INTERFACE_EXTERN( coco_cart );
36	36
37		/* constants */
	37	// constants
38	38	#define JOYSTICK_DELTA          10
39	39	#define JOYSTICK_SENSITIVITY    100
40	40
41		/* devices */
	41	// devices
42	42	#define MAINCPU_TAG                 "maincpu"
43	43	#define PIA0_TAG                    "pia0"
44	44	#define PIA1_TAG                    "pia1"
r21782	r21783
51	51	#define VHD0_TAG                    "vhd0"
52	52	#define VHD1_TAG                    "vhd1"
53	53
54		/* inputs */
	54	// inputs
55	55	#define CTRL_SEL_TAG                "ctrl_sel"
56	56	#define HIRES_INTF_TAG              "hires_intf"
57	57	#define CART_AUTOSTART_TAG          "cart_autostart"
r21782	r21783
82	82	class coco_state : public driver_device
83	83	{
84	84	public:
85		coco_state(const machine_config &mconfig, device_type type, const char *tag)
86		: driver_device(mconfig, type, tag),
87		m_maincpu(*this, MAINCPU_TAG),
88		m_pia_0(*this, PIA0_TAG),
89		m_pia_1(*this, PIA1_TAG),
90		m_dac(*this, DAC_TAG),
91		m_wave(*this, WAVE_TAG),
92		m_cococart(*this, CARTRIDGE_TAG),
93		m_ram(*this, RAM_TAG),
94		m_cassette(*this, CASSETTE_TAG),
95		m_bitbanger(*this, BITBANGER_TAG),
96		m_vhd_0(*this, VHD0_TAG),
97		m_vhd_1(*this, VHD1_TAG)
98		{
99		}
	85	coco_state(const machine_config &mconfig, device_type type, const char *tag);
100	86
101	87	required_device<cpu_device> m_maincpu;
102	88	required_device<pia6821_device> m_pia_0;
r21782	r21783
116	102	static const bitbanger_config coco_bitbanger_config;
117	103	static const cassette_interface coco_cassette_interface;
118	104
119		/* driver update handlers */
	105	// driver update handlers
120	106	DECLARE_INPUT_CHANGED_MEMBER(keyboard_changed);
121	107	DECLARE_INPUT_CHANGED_MEMBER(joystick_mode_changed);
122	108	static void bitbanger_callback(running_machine &machine, UINT8 bit);
123	109
124		/* IO */
	110	// IO
125	111	virtual DECLARE_READ8_MEMBER( ff00_read );
126	112	virtual DECLARE_WRITE8_MEMBER( ff00_write );
127	113	virtual DECLARE_READ8_MEMBER( ff20_read );
r21782	r21783
131	117	DECLARE_READ8_MEMBER( ff60_read );
132	118	DECLARE_WRITE8_MEMBER( ff60_write );
133	119
134		/* floating bus */
	120	// floating bus
135	121	DECLARE_READ8_MEMBER( floating_bus_read )   { return floating_bus_read(); }
136	122
137	123	protected:
138		/* device-level overrides */
	124	// device-level overrides
139	125	virtual void device_start();
140	126	virtual void device_reset();
141	127	virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
142	128
143		/* interrupts */
	129	// interrupts
144	130	virtual bool firq_get_line(void);
145	131	virtual bool irq_get_line(void);
146	132	void recalculate_irq(void);
147	133	void recalculate_firq(void);
148	134
149		/* changed handlers */
	135	// changed handlers
150	136	virtual void pia1_pa_changed(void);
151	137	virtual void pia1_pb_changed(void);
152	138	virtual void bitbanger_changed(bool newvalue);
153	139
154		/* miscellaneous */
	140	// miscellaneous
155	141	virtual void update_keyboard_input(UINT8 value, UINT8 z);
156	142	virtual void cart_w(bool state);
157	143	DECLARE_WRITE_LINE_MEMBER( cart_w ) { cart_w((bool) state); }
158	144	virtual void update_cart_base(UINT8 *cart_base) = 0;
159	145
160		/* PIA0 */
	146	// PIA0
161	147	DECLARE_WRITE8_MEMBER( pia0_pa_w );
162	148	DECLARE_WRITE8_MEMBER( pia0_pb_w );
163	149	DECLARE_WRITE_LINE_MEMBER( pia0_ca2_w );
r21782	r21783
165	151	DECLARE_WRITE_LINE_MEMBER( pia0_irq_a );
166	152	DECLARE_WRITE_LINE_MEMBER( pia0_irq_b );
167	153
168		/* PIA1 */
	154	// PIA1
169	155	DECLARE_READ8_MEMBER( pia1_pa_r );
170	156	DECLARE_READ8_MEMBER( pia1_pb_r );
171	157	DECLARE_WRITE8_MEMBER( pia1_pa_w );
r21782	r21783
216	202
217	203	void analog_port_start(analog_input_t *analog, const char *rx_tag, const char *ry_tag, const char *lx_tag, const char *ly_tag, const char *buttons_tag);
218	204
219		/* wrappers for configuration */
	205	// wrappers for configuration
220	206	joystick_type_t joystick_type(int index);
221	207	hires_type_t hires_interface_type(void);
222	208	bool is_joystick_hires(int joystick_index);
r21782	r21783
233	219	DECLARE_WRITE_LINE_MEMBER( bitbanger_callback );
234	220	void diecom_lightgun_clock(void);
235	221
236		/* thin wrappers for PIA output */
237		UINT8 dac_output(void)  { return m_dac_output; }    /* PA drives the DAC */
	222	// thin wrappers for PIA output
	223	UINT8 dac_output(void)  { return m_dac_output; }    // PA drives the DAC
238	224	bool sel1(void)         { return m_pia_0->ca2_output() ? true : false; }
239	225	bool sel2(void)         { return m_pia_0->cb2_output() ? true : false; }
240	226	bool snden(void)        { return m_pia_1->cb2_output() ? true : false; }
241	227
242		/* VHD selection */
	228	// VHD selection
243	229	coco_vhd_image_device *current_vhd(void);
244	230
245		/* floating bus */
	231	// floating bus
246	232	UINT8 floating_bus_read(void);
247	233
248		/* disassembly override */
	234	// disassembly override
249	235	static offs_t dasm_override(device_t &device, char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, int options);
250	236
251		/* input ports */
	237	// input ports
252	238	ioport_port *m_keyboard[7];
253	239	ioport_port *m_joystick_type_control;
254	240	ioport_port *m_joystick_hires_control;
r21782	r21783
256	242	analog_input_t m_rat_mouse;
257	243	analog_input_t m_diecom_lightgun;
258	244
259		/* DAC output */
	245	// DAC output
260	246	UINT8 m_dac_output;
261	247
262		/* hires interface */
	248	// hires interface
263	249	emu_timer *m_hiresjoy_transition_timer[2];
264	250	bool m_hiresjoy_ca;
265	251
266		/* diecom lightgun */
	252	// diecom lightgun
267	253	emu_timer *m_diecom_lightgun_timer;
268	254	bool m_dclg_previous_bit;
269	255	UINT8 m_dclg_output_h;
r21782	r21783
271	257	UINT8 m_dclg_state;
272	258	UINT16 m_dclg_timer;
273	259
274		/* VHD selection */
	260	// VHD selection
275	261	UINT8 m_vhd_select;
276	262	};
277	263
278		#endif /* __COCO__ */
	264	#endif // __COCO__

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