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r17459 Saturday 25th August, 2012 at 02:04:46 UTC by Angelo Salese
JUST A MOMENT / NON SLOT ... messages putted in VRAM

[src/emu]	emu.mak
[src/emu/video]	m50458.c* m50458.h*
[src/mame/drivers]	nss.c

trunk/src/mame/drivers/nss.c

r17458	r17459
296	296	#include "emu.h"
297	297	#include "cpu/z80/z80.h"
298	298	#include "machine/eeprom.h"
	299	#include "video/m50458.h"
299	300	#include "includes/snes.h"
300	301
301	302
r17458	r17459
529	530	---- ---x  RTC /CS           (0=Low/Select, 1=High/No)
530	531	*/
531	532	/* TODO */
	533	ioport("RTC_OSD")->write(data, 0xff);
532	534	}
533	535
534	536	static ADDRESS_MAP_START( bios_io_map, AS_IO, 8, nss_state )
r17458	r17459
594	596	PORT_BIT( 0x08, IP_ACTIVE_HIGH,IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("eeprom", eeprom_device, write_bit)
595	597	PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("eeprom", eeprom_device, set_cs_line)
596	598
	599	PORT_START("RTC_OSD")
	600	PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("m50458", m50458_device, set_clock_line)
	601	PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("m50458", m50458_device, write_bit)
	602	PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_OUTPUT ) PORT_WRITE_LINE_DEVICE_MEMBER("m50458", m50458_device, set_cs_line)
	603
597	604	PORT_START("SERIAL1_DATA1_L")
598	605	PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_NAME("P1 Button A") PORT_PLAYER(1)
599	606	PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_NAME("P1 Button X") PORT_PLAYER(1)
r17458	r17459
719	726	16*18
720	727	};
721	728
722		static const gfx_layout nss_char_layout_16x16 =
723		{
724		16,16,
725		RGN_FRAC(1,1),
726		1,
727		{ 0 },
728		{ 0, 1, 2, 3, 4, 5, 6, 7,8,9,10,11,12,13,14,15 },
729		{ 0*16, 1*16, 2*16, 3*16, 4*16, 5*16, 6*16, 7*16,8*16, 9*16, 10*16, 11*16, 12*16, 13*16, 14*16, 15*16 },
730		16*16
731		};
732	729
733
734	730	/* decoded for debugging purpose, this will be nuked in the end... */
735	731	static GFXDECODE_START( nss )
736	732	GFXDECODE_ENTRY( "chargen",   0x00000, nss_char_layout_16x18,    0, 1 )
737		GFXDECODE_ENTRY( "m50458_gfx",   0x00000, nss_char_layout_16x16,    0, 1 )
738	733	GFXDECODE_END
739	734
740	735	static MACHINE_CONFIG_START( snes, nss_state )
r17458	r17459
783	778
784	779	MCFG_EEPROM_ADD("eeprom", nss_eeprom_intf)
785	780
	781	MCFG_M50458_ADD("m50458",4000000) /* TODO: clock */
	782
786	783	MCFG_GFXDECODE( nss )
787	784	MCFG_PALETTE_LENGTH(2)
788	785	MCFG_MACHINE_START( nss )
r17458	r17459
806	803	ROM_LOAD("m50458_char.bin",     0x0000, 0x1200, BAD_DUMP CRC(011cc342) SHA1(d5b9f32d6e251b4b25945267d7c68c099bd83e96) ) \
807	804	ROM_REGION( 0x1000, "m50458_gfx", ROMREGION_ERASEFF ) \
808	805	ROM_LOAD("m50458_char_mod.bin", 0x0000, 0x1000, BAD_DUMP CRC(8c4326ef) SHA1(21a63c5245ff7f3f70cb45e217b3045b19d0d799) ) \
809		ROM_REGION( 0x1000, "m50458_vram", ROMREGION_ERASE00 ) \
810	806	ROM_REGION( 0x2000, "dspprg", ROMREGION_ERASEFF) \
811	807	ROM_REGION( 0x800, "dspdata", ROMREGION_ERASEFF)
812	808

trunk/src/emu/video/m50458.c

r0	r17459
	1	/***************************************************************************
	2
	3	Mitsubishi M50458 OSD chip
	4
	5	***************************************************************************/
	6
	7	#include "emu.h"
	8	#include "video/m50458.h"
	9
	10
	11
	12	//**************************************************************************
	13	//  GLOBAL VARIABLES
	14	//**************************************************************************
	15
	16	// device type definition
	17	const device_type M50458 = &device_creator<m50458_device>;
	18
	19
	20	//**************************************************************************
	21	//  LIVE DEVICE
	22	//**************************************************************************
	23
	24	//-------------------------------------------------
	25	//  m50458_device - constructor
	26	//-------------------------------------------------
	27
	28	m50458_device::m50458_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
	29	: device_t(mconfig, M50458, "m50458", tag, owner, clock)
	30	{
	31
	32	}
	33
	34
	35	//-------------------------------------------------
	36	//  device_validity_check - perform validity checks
	37	//  on this device
	38	//-------------------------------------------------
	39
	40	void m50458_device::device_validity_check(validity_checker &valid) const
	41	{
	42	}
	43
	44
	45	//-------------------------------------------------
	46	//  device_start - device-specific startup
	47	//-------------------------------------------------
	48
	49	void m50458_device::device_start()
	50	{
	51
	52	}
	53
	54
	55	//-------------------------------------------------
	56	//  device_reset - device-specific reset
	57	//-------------------------------------------------
	58
	59	void m50458_device::device_reset()
	60	{
	61	}
	62
	63
	64	//**************************************************************************
	65	//  READ/WRITE HANDLERS
	66	//**************************************************************************
	67
	68	WRITE_LINE_MEMBER( m50458_device::write_bit )
	69	{
	70	m_latch = state;
	71	}
	72
	73	WRITE_LINE_MEMBER( m50458_device::set_cs_line )
	74	{
	75	m_reset_line = state;
	76
	77	if(m_reset_line != CLEAR_LINE)
	78	{
	79	printf("Reset asserted\n");
	80	m_cmd_stream_pos = 0;
	81	m_current_cmd = 0;
	82	m_osd_state = OSD_SET_ADDRESS;
	83	}
	84	}
	85
	86	/*
	87	0x7e: "JUST A MOMENT"
	88	0x81: "NON SLOT"
	89	*/
	90
	91	WRITE_LINE_MEMBER( m50458_device::set_clock_line )
	92	{
	93	if (m_reset_line == CLEAR_LINE)
	94	{
	95	if(state == 1)
	96	{
	97	//printf("%d\n",m_latch);
	98
	99	m_current_cmd = (m_current_cmd >> 1) | ((m_latch<<15)&0x8000);
	100	m_cmd_stream_pos++;
	101
	102	if(m_cmd_stream_pos == 16)
	103	{
	104	switch(m_osd_state)
	105	{
	106	case OSD_SET_ADDRESS:
	107	m_osd_addr = m_current_cmd;
	108	m_osd_state = OSD_SET_DATA;
	109	break;
	110	case OSD_SET_DATA:
	111	printf("%04x %04x\n",m_osd_addr,m_current_cmd);
	112
	113	m_osd_addr++;
	114	/* Presumably wraps at 0x127? */
	115	if(m_osd_addr > 0x127) { m_osd_addr = 0; }
	116	break;
	117	}
	118
	119	m_cmd_stream_pos = 0;
	120	m_current_cmd = 0;
	121	}
	122	}
	123	}
	124	}

trunk/src/emu/video/m50458.h

r0	r17459
	1	/***************************************************************************
	2
	3	Mitsubishi M50458 OSD chip
	4
	5	***************************************************************************/
	6
	7	#pragma once
	8
	9	#ifndef __M50458DEV_H__
	10	#define __M50458DEV_H__
	11
	12
	13
	14	//**************************************************************************
	15	//  INTERFACE CONFIGURATION MACROS
	16	//**************************************************************************
	17
	18	#define MCFG_M50458_ADD(_tag,_freq) \
	19	MCFG_DEVICE_ADD(_tag, M50458,_freq) \
	20
	21
	22	//**************************************************************************
	23	//  TYPE DEFINITIONS
	24	//**************************************************************************
	25
	26	typedef enum
	27	{
	28	OSD_SET_ADDRESS = 0,
	29	OSD_SET_DATA
	30	} m50458_state_t;
	31
	32
	33	// ======================> m50458_device
	34
	35	class m50458_device :   public device_t
	36	{
	37	public:
	38	// construction/destruction
	39	m50458_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
	40
	41	// I/O operations
	42	WRITE_LINE_MEMBER( write_bit );
	43	WRITE_LINE_MEMBER( set_cs_line );
	44	WRITE_LINE_MEMBER( set_clock_line );
	45
	46	protected:
	47	// device-level overrides
	48	virtual void device_validity_check(validity_checker &valid) const;
	49	virtual void device_start();
	50	virtual void device_reset();
	51
	52	int m_latch;
	53	int   m_reset_line;
	54	int   m_clock_line;
	55	int m_current_cmd;
	56	int m_cmd_stream_pos;
	57	UINT16 m_osd_addr;
	58
	59	m50458_state_t m_osd_state;
	60	};
	61
	62
	63	// device type definition
	64	extern const device_type M50458;
	65
	66
	67
	68	//**************************************************************************
	69	//  GLOBAL VARIABLES
	70	//**************************************************************************
	71
	72
	73
	74	#endif

trunk/src/emu/emu.mak

r17458	r17459
292	292	$(EMUVIDEO)/huc6272.o      \
293	293	$(EMUVIDEO)/i8275.o      \
294	294	$(EMUVIDEO)/k053250.o      \
	295	$(EMUVIDEO)/m50458.o      \
295	296	$(EMUVIDEO)/mc6845.o      \
296	297	$(EMUVIDEO)/msm6255.o      \
297	298	$(EMUVIDEO)/pc_cga.o      \
r17458	r17459
302	303	$(EMUVIDEO)/ramdac.o      \
303	304	$(EMUVIDEO)/resnet.o      \
304	305	$(EMUVIDEO)/rgbutil.o      \
305		$(EMUVIDEO)/s2636.o         \
	306	$(EMUVIDEO)/s2636.o      \
306	307	$(EMUVIDEO)/saa5050.o      \
307	308	$(EMUVIDEO)/sed1330.o      \
308	309	$(EMUVIDEO)/tlc34076.o      \
r17458	r17459
310	311	$(EMUVIDEO)/tms9927.o      \
311	312	$(EMUVIDEO)/tms9928a.o      \
312	313	$(EMUVIDEO)/upd3301.o      \
313		$(EMUVIDEO)/v9938.o         \
	314	$(EMUVIDEO)/v9938.o      \
314	315	$(EMUVIDEO)/vector.o      \
315	316	$(EMUVIDEO)/voodoo.o      \
316	317

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199869 Revisions

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