MAME SVN History

199869 Revisions

r30928 Tuesday 10th June, 2014 at 17:21:09 UTC by Curt Coder
(MESS) ql: Added preliminary CST Q+4 emulation. [Curt Coder]

[src/emu/bus/ql]

cst_q_plus4.c cst_q_plus4.h

trunk/src/emu/bus/ql/cst_q_plus4.h
r30927	r30928
15	15	#define __CST_Q_PLUS4__
16	16
17	17	#include "exp.h"
	18	#include "machine/6821pia.h"
18	19
19	20
20	21
r30927	r30928
34	35
35	36	// optional information overrides
36	37	virtual const rom_entry *device_rom_region() const;
	38	virtual machine_config_constructor device_mconfig_additions() const;
37	39
	40	DECLARE_WRITE_LINE_MEMBER( exp1_extintl_w ) { m_exp1_extinl = state; update_extintl(); }
	41	DECLARE_WRITE_LINE_MEMBER( exp2_extintl_w ) { m_exp2_extinl = state; update_extintl(); }
	42	DECLARE_WRITE_LINE_MEMBER( exp3_extintl_w ) { m_exp3_extinl = state; update_extintl(); }
	43	DECLARE_WRITE_LINE_MEMBER( exp4_extintl_w ) { m_exp4_extinl = state; update_extintl(); }
	44
38	45	protected:
39	46	// device-level overrides
40	47	virtual void device_start();
r30927	r30928
44	51	virtual void write(address_space &space, offs_t offset, UINT8 data);
45	52
46	53	private:
	54	void update_extintl() { m_slot->extintl_w(m_exp1_extinl \|\| m_exp2_extinl \|\| m_exp3_extinl \|\| m_exp4_extinl); }
	55
	56	required_device<ql_expansion_slot_t> m_exp1;
	57	required_device<ql_expansion_slot_t> m_exp2;
	58	required_device<ql_expansion_slot_t> m_exp3;
	59	required_device<ql_expansion_slot_t> m_exp4;
	60	required_memory_region m_rom;
	61
	62	int m_exp1_extinl;
	63	int m_exp2_extinl;
	64	int m_exp3_extinl;
	65	int m_exp4_extinl;
47	66	};
48	67
49	68

trunk/src/emu/bus/ql/cst_q_plus4.c
r30927	r30928
14	14
15	15
16	16	//**************************************************************************
	17	// MACROS/CONSTANTS
	18	//**************************************************************************
	19
	20	#define MC6821_TAG "mc6821"
	21
	22
	23
	24	//**************************************************************************
17	25	// DEVICE DEFINITIONS
18	26	//**************************************************************************
19	27
r30927	r30928
40	48	}
41	49
42	50
	51	//-------------------------------------------------
	52	// MACHINE_CONFIG_FRAGMENT( cst_q_plus4 )
	53	//-------------------------------------------------
43	54
	55	static MACHINE_CONFIG_FRAGMENT( cst_q_plus4 )
	56	MCFG_DEVICE_ADD(MC6821_TAG, PIA6821, 0)
	57
	58	MCFG_QL_EXPANSION_SLOT_ADD("exp1", ql_expansion_cards, NULL)
	59	MCFG_QL_EXPANSION_SLOT_EXTINTL_CALLBACK(WRITELINE(cst_q_plus4_t, exp1_extintl_w))
	60
	61	MCFG_QL_EXPANSION_SLOT_ADD("exp2", ql_expansion_cards, NULL)
	62	MCFG_QL_EXPANSION_SLOT_EXTINTL_CALLBACK(WRITELINE(cst_q_plus4_t, exp2_extintl_w))
	63
	64	MCFG_QL_EXPANSION_SLOT_ADD("exp3", ql_expansion_cards, NULL)
	65	MCFG_QL_EXPANSION_SLOT_EXTINTL_CALLBACK(WRITELINE(cst_q_plus4_t, exp3_extintl_w))
	66
	67	MCFG_QL_EXPANSION_SLOT_ADD("exp4", ql_expansion_cards, NULL)
	68	MCFG_QL_EXPANSION_SLOT_EXTINTL_CALLBACK(WRITELINE(cst_q_plus4_t, exp4_extintl_w))
	69	MACHINE_CONFIG_END
	70
	71
	72	//-------------------------------------------------
	73	// machine_config_additions - device-specific
	74	// machine configurations
	75	//-------------------------------------------------
	76
	77	machine_config_constructor cst_q_plus4_t::device_mconfig_additions() const
	78	{
	79	return MACHINE_CONFIG_NAME( cst_q_plus4 );
	80	}
	81
	82
	83
44	84	//**************************************************************************
45	85	// LIVE DEVICE
46	86	//**************************************************************************
r30927	r30928
51	91
52	92	cst_q_plus4_t::cst_q_plus4_t(const machine_config &mconfig, const char tag, device_t owner, UINT32 clock) :
53	93	device_t(mconfig, CST_Q_PLUS4, "CST Q+4", tag, owner, clock, "ql_qplus4", __FILE__),
54		device_ql_expansion_card_interface(mconfig, *this)
	94	device_ql_expansion_card_interface(mconfig, *this),
	95	m_exp1(*this, "exp1"),
	96	m_exp2(*this, "exp2"),
	97	m_exp3(*this, "exp3"),
	98	m_exp4(*this, "exp4"),
	99	m_rom(*this, "rom"),
	100	m_exp1_extinl(CLEAR_LINE),
	101	m_exp2_extinl(CLEAR_LINE),
	102	m_exp3_extinl(CLEAR_LINE),
	103	m_exp4_extinl(CLEAR_LINE)
55	104	{
56	105	}
57	106
r30927	r30928
71	120
72	121	UINT8 cst_q_plus4_t::read(address_space &space, offs_t offset, UINT8 data)
73	122	{
	123	if (offset >= 0xc000 && offset < 0xc200)
	124	{
	125	data = m_rom->base()[offset & 0x1fff];
	126	}
	127
	128	data = m_exp1->read(space, offset, data);
	129	data = m_exp2->read(space, offset, data);
	130	data = m_exp3->read(space, offset, data);
	131	data = m_exp4->read(space, offset, data);
	132
74	133	return data;
75	134	}
76	135
r30927	r30928
81	140
82	141	void cst_q_plus4_t::write(address_space &space, offs_t offset, UINT8 data)
83	142	{
	143	m_exp1->write(space, offset, data);
	144	m_exp2->write(space, offset, data);
	145	m_exp3->write(space, offset, data);
	146	m_exp4->write(space, offset, data);
84	147	}

199869 Revisions