MAME SVN History

199869 Revisions

r26515 Friday 6th December, 2013 at 02:35:55 UTC by R. Belmont
(MESS) itt3030: start adding to the skeleton. [rfka01, R. Belmont]

[src/lib]	lib.mak
[src/lib/formats]	itt3030_dsk.c* itt3030_dsk.h*
[src/mess/drivers]	itt3030.c

trunk/src/lib/formats/itt3030_dsk.c
r0	r26515
	1	// license:BSD-3-Clause
	2	// copyright-holders:Olivier Galibert
	3	/*********************************************************************
	4
	5	formats/itt3030_dsk.c
	6
	7	ITT3030 560K disk image format
	8
	9
	10
	11	*********************************************************************/
	12
	13	#include "emu.h"
	14	#include "formats/itt3030_dsk.h"
	15
	16	itt3030_format::itt3030_format() : wd177x_format(formats)
	17	{
	18	}
	19
	20	const char *itt3030_format::name() const
	21	{
	22	return "itt3030";
	23	}
	24
	25	const char *itt3030_format::description() const
	26	{
	27	return "ITT3030 disk image";
	28	}
	29
	30	const char *itt3030_format::extensions() const
	31	{
	32	return "dsk";
	33	}
	34
	35	// gap info is a total guess
	36	const itt3030_format::format itt3030_format::formats[] = {
	37	{ /* 5,25" DS DD 70 tracks 16 SPT 256 bytes/sector */
	38	floppy_image::FF_525, floppy_image::DSDD, floppy_image::MFM,
	39	2000, 16, 70, 2, 256, {}, 1, {}, 32, 22, 31
	40	},
	41	{}
	42	};
	43
	44
	45
	46	const floppy_format_type FLOPPY_ITT3030_FORMAT = &floppy_image_format_creator<itt3030_format>;
	47

Property changes on: trunk/src/lib/formats/itt3030_dsk.c
Added: svn:eol-style + native Added: svn:mime-type + text/plain

trunk/src/lib/formats/itt3030_dsk.h
r0	r26515
	1	/*********************************************************************
	2
	3	formats/itt3030_dsk.h
	4
	5	ITT3030 disk image format
	6
	7	*********************************************************************/
	8
	9	#ifndef ITT3030_DSK_H_
	10	#define ITT3030_DSK_H_
	11
	12	#include "wd177x_dsk.h"
	13
	14	class itt3030_format : public wd177x_format {
	15	public:
	16	itt3030_format();
	17
	18	virtual const char *name() const;
	19	virtual const char *description() const;
	20	virtual const char *extensions() const;
	21
	22	private:
	23	static const format formats[];
	24	};
	25
	26
	27	extern const floppy_format_type FLOPPY_ITT3030_FORMAT;
	28
	29	#endif

Property changes on: trunk/src/lib/formats/itt3030_dsk.h
Added: svn:mime-type + text/plain Added: svn:eol-style + native

trunk/src/lib/lib.mak
r26514	r26515
204	204	$(LIBOBJ)/formats/z80ne_dsk.o \
205	205	$(LIBOBJ)/formats/zx81_p.o \
206	206	$(LIBOBJ)/formats/hxcmfm_dsk.o \
	207	$(LIBOBJ)/formats/itt3030_dsk.o \
207	208
208	209	$(OBJ)/libformats.a: $(FORMATSOBJS)
209	210

trunk/src/mess/drivers/itt3030.c
r26514	r26515
2	2
3	3	ITT 3030
4	4
	5
	6	ToDo:
	7	- Check Beeper
	8	- hook up keyboard
	9	- According to the manual, the keyboard is based on a 8278 ... it's nowhere to be found. The keyboard / video card has a 8741 instead of which a ROM dump exists
	10	- memory map
	11	- serial port
	12	- daisy chain
	13	- ...
	14
	15
	16	CPU Board, all ICs shown:
	17
	18	\|-----------------------------------------------------------------\|
	19	\| \|
	20	\| 74LS640N Z80_Combo 74LS138N \|
	21	\| 74LS00N \|
	22	\| 74LS240N 74LS74AN \|
	23	\| 74LS00N \|
	24	\|C 74LS240N Z80_CPU 74LS240N C\|
	25	\|N 74LS74AN N\|
	26	\|1 74LS241N 74LS240N 2\|
	27	\| ROM_1 74LS20N 74LS38N \|
	28	\| 74LS240N 74LS240N \|
	29	\| 74LS04N 74LS02N \|
	30	\| 74LS138N 74LS74AN \|
	31	\| 74LS175N \|
	32	\| 75154N 74LS156N 74LS00N \|
	33	\| 74LS123N \|
	34	\| 75150P 75150P 74LS175N X1 74LS00N 74LS132N \|
	35	\|-----------------------------------------------------------------\|
	36
	37	Z80_Combo: Mostek MK3886 Z80 Combo Chip, Serial, Timer, 256 bytes RAM, Interrupt Controller
	38	Z80_CPU: Zilog Z80A CPU
	39	ROM_1: NEC D2716D marked "BOOTV1.2"
	40	X1: Crystal 4,194 MHz
	41	CN1: Bus Connector
	42	CN2: Memory Board Connector
	43
	44	----------------------------------------------------------------------------------
	45
	46	Video / Keyboard Combination board, all ICs shown:
	47
	48	\|-----------------------------------------------------------------\|
	49	\| \|
	50	\| X1 74276N MCU_1 74LS85N \|
	51	\| \|
	52	\| 74LS138N 74LS240 74LS240N \|
	53	\| 75LS257AN 74LS166AN \|
	54	\| 74LS08N 74LS85N 74LS241N \|
	55	\| 75LS257AN ROM_1 C\|
	56	\| 74LS132N 74LS32N 74LS240N N\|
	57	\| 75LS257AN 1\|
	58	\| 74LS10N 74LS08N 74LS240N \|
	59	\| 75LS257AN RAM_1 \|
	60	\| 74LS163AN 74LS173AN 74LS374N \|
	61	\| \|
	62	\| 74LS86N 74LS240N 74LS640N \|
	63	\| Video_1 \|
	64	\| 74LS74AN 74LS240N 74LS640N \|
	65	\|-----------------------------------------------------------------\|
	66
	67	X1: Crystal 6 MHz
	68	MCU_1: NEC D8741AD marked "V1.1 3030"
	69	ROM_1: MBM 2716 marked "GB 136-0"
	70	RAM_1: NEC D4016D
	71	Video_1 Video-IC SND5027E, compatible with TMS9927
	72
	73	----------------------------------------------------------------------------------
	74
	75	Floppy Controller board, all ICs shown
	76
	77	\|-----------------------------------------------------------------\|
	78	\| \|
	79	\| X1 74LS51N F 74LS74AN 74LS02N MC4044P \|
	80	\| D 567 \|
	81	\| 74LS04N C 74LS00N 74LS01N ::: MC4024P \|
	82	\| \|
	83	\| 74LS00N 1 74LS74AN 74LS74AN 74LS14N C\|
	84	\| 7 N\|
	85	\| 74LS240N 9 74LS161N 74LS393N 74LS74AN 1\|
	86	\| 1 \|
	87	\| 74LS132N 74LS14N 74LS14N 74LS374N \|
	88	\| \|
	89	\| 74LS123N 74LS04N 74LS163N 74LS14N 74LS241N \|
	90	\| \|
	91	\| 74LS393N 74LS138 74LS175N 74LS85N 74LS645N \|
	92	\| \|
	93	\|-----------------------------------------------------------------\|
	94
	95	X1: Crystal 8 MHz
	96	FDC: Siemens SAB1791-02P
	97	567: Jumper Pad (emtpy)
	98
	99	----------------------------------------------------------------------------------
	100
	101	256K RAM board, all ICs shown:
	102
	103	\|-----------------------------------------------------------------\|
	104	\| \|
	105	\| HM4864P HM4864P HM4864P HM4864P 74LS245N \|
	106	\| \|
	107	\| HM4864P HM4864P HM4864P HM4864P P 74LS14N \|
	108	\| R \|
	109	\| HM4864P HM4864P HM4864P HM4864P M 74LS00N \|
	110	\| C\|
	111	\| HM4864P HM4864P HM4864P HM4864P AM A N\|
	112	\| 29 M 1\|
	113	\| HM4864P HM4864P HM4864P HM4864P 66 2 \|
	114	\| PC 9 \|
	115	\| HM4864P HM4864P HM4864P HM4864P 6 \|
	116	\| AM 4 \|
	117	\| HM4864P HM4864P HM4864P HM4864P 29 8 \|
	118	\| 66 P \|
	119	\| HM4864P HM4864P HM4864P HM4864P PC C \|
	120	\| SN7474N \|
	121	\|-----------------------------------------------------------------\|
	122
	123	PRM: N82S129F 1K Bipolar PROM
	124	AM2966PC: Octal Dynamic Memory Drivers with Three-State Outputs
	125	AM29648PC
	126	CN1: Connector to CN2 of Z80 CPU card
	127
	128	----------------------------------------------------------------------------------
	129
	130	Parallel I/O board, all ICs shown:
	131
	132	\|-------------------------------------\| \|
	133	\| \|
	134	\| 74 74 \|
	135	\| LS LS Z80A PIO \|
	136	\| 00 14 \|
	137	\| N N \|
	138	\| \|
	139	\| \|
	140	\| 74 74 74 74 D4 74 \|
	141	\| LS LS LS LS I3 LS \|
	142	\| 13 14 24 85 P2 64 \|
	143	\| 2N N 1N N 1 0N \|
	144	\| \|
	145	\| CN1 \|
	146	\| \|
	147	\| 74LS00N \|
	148	\|-------------------------------------\|
	149
	150	CN1: Bus connector
	151	DIP: 4x DIP current setting: off-on-on-off, sets the address for the parallel port
	152
	153	----------------------------------------------------------------------------------
	154
	155	Beeper Circuit, all ICs shown:
	156
	157	\|---------------------------\| \|
	158	\| \|
	159	\| BEEP 74LS132N \|
	160	\| R1 \|
	161	\| 74LS14N \|
	162	\| \|
	163	\| 74LS132N 74LS193N \|
	164	\| \|
	165	\| 74LS74AN 74LS165N \|
	166	\| CN1 \|
	167	\|---------------------------\|
	168
	169	CN1: Connector to mainboard
	170	R1: looks like a potentiometer
	171	BEEP: Beeper ... touted in the manual as "Hupe" ... i.e. "horn" :)
	172
	173	----------------------------------------------------------------------------------
	174
	175	Other boards and extensions mentioned in the manual:
	176	- S100 bus adapter board
	177	- IEEE 488 bus adapter board
	178	- 64K memory board
	179	- 8086 CPU board
	180	- external harddisk
	181	- TV adapter B/W (TV, Save/Load from Audio Cassette) with PROM/RAM/BASIC-Module with 16K or 32K RAM
	182	- TV adapter color with connection to Video / Keyboard combination card
	183	- Monitor adapters B/W and color
	184	- Video / Keyboard interface 2 with grayscale, 8 colors, loadable character set, blinking
	185	- Graphics Adapter with 16 colours, hi-res 512x256 pixels
	186	- RTC
	187	- Arithmetics chip
	188
5	189	***************************************************************************/
6	190
7	191
8	192	#include "emu.h"
9	193	#include "cpu/z80/z80.h"
	194	#include "machine/wd_fdc.h"
	195	#include "machine/bankdev.h"
	196	#include "formats/itt3030_dsk.h"
	197	#include "video/tms9927.h" //Display hardware
	198	#include "sound/beep.h"
	199	#include "cpu/mcs48/mcs48.h" //Keyboard MCU ... talks to the 8278 on the keyboard circuit
10	200
11		#define MAIN_CLOCK XTAL_8MHz
12	201
	202	#define MAIN_CLOCK XTAL_4.194MHz
	203
13	204	class itt3030_state : public driver_device
14	205	{
15	206	public:
16	207	itt3030_state(const machine_config &mconfig, device_type type, const char *tag)
17		: driver_device(mconfig, type, tag),
18		m_maincpu(*this, "maincpu")
	208	: driver_device(mconfig, type, tag)
	209	, m_maincpu(*this, "maincpu")
	210	, m_crtc(*this, "crt5027")
	211	, m_fdc (*this, "fdc")
	212	, m_floppy0(*this, "fdc:0")
	213	, m_floppy1(*this, "fdc:1")
	214	, m_beep(*this, "beeper")
19	215	{ }
20	216
21	217	// devices
22	218	required_device<cpu_device> m_maincpu;
	219	required_device<crt5027_device> m_crtc;
	220	required_device<fd1791_t> m_fdc;
	221	required_device<floppy_connector> m_floppy0;
	222	required_device<floppy_connector> m_floppy1;
	223	required_device<beep_device> m_beep;
23	224
24	225	// screen updates
25	226	UINT32 screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
r26514	r26515
32	233	virtual void video_start();
33	234	public:
34	235
35		DECLARE_READ8_MEMBER(unk1_r);
	236	DECLARE_READ8_MEMBER(vsync_r);
36	237	DECLARE_READ8_MEMBER(unk2_r);
	238	DECLARE_WRITE8_MEMBER( beep_w );
	239	DECLARE_FLOPPY_FORMATS(itt3030_floppy_formats);
37	240	private:
38	241	UINT8 m_unk;
	242	floppy_image_device *m_floppy;
	243
39	244	};
40	245
41	246	void itt3030_state::video_start()
r26514	r26515
43	248	m_unk = 0x80;
44	249	}
45	250
46		READ8_MEMBER(itt3030_state::unk1_r)
	251	READ8_MEMBER(itt3030_state::vsync_r)
47	252	{
48		UINT8 ret = m_unk;
49		m_unk ^= 0x80;
50		return ret;
	253	return machine().primary_screen->vblank() ? 0x80 : 0;
51	254	}
52	255
53	256	READ8_MEMBER(itt3030_state::unk2_r)
r26514	r26515
55	258	return 0x40;
56	259	}
57	260
	261	WRITE8_MEMBER( itt3030_state::beep_w )
	262	{
	263	m_beep->set_state(data&0x32);
	264	}
	265
58	266	UINT32 itt3030_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
59	267	{
60	268	address_space &space = m_maincpu->space(AS_PROGRAM);
r26514	r26515
72	280	}
73	281
74	282	static ADDRESS_MAP_START( itt3030_map, AS_PROGRAM, 8, itt3030_state )
75		AM_RANGE(0x0000, 0x07ff) AM_ROM
76		AM_RANGE(0x0800, 0xffff) AM_RAM
	283	AM_RANGE(0x0000, 0x07ff) AM_ROM AM_REGION("maincpu", 0)
	284	AM_RANGE(0x0800, 0x0fff) AM_ROM AM_REGION("maincpu", 0)
	285	AM_RANGE(0x1000, 0xffff) AM_RAM
77	286	ADDRESS_MAP_END
78	287
79	288
80	289	static ADDRESS_MAP_START( itt3030_io, AS_IO, 8, itt3030_state )
81	290	ADDRESS_MAP_GLOBAL_MASK(0xff)
82		AM_RANGE(0x0031, 0x0031) AM_READ(unk2_r)
83		AM_RANGE(0x0035, 0x0035) AM_READ(unk1_r)
	291	AM_RANGE(0x20, 0x26) AM_DEVREADWRITE("crt5027", crt5027_device, read, write)
	292	AM_RANGE(0x31, 0x31) AM_READ(unk2_r)
	293	AM_RANGE(0x32, 0x32) AM_WRITE(beep_w)
	294	AM_RANGE(0x35, 0x35) AM_READ(vsync_r)
	295	AM_RANGE(0x50, 0x55) AM_DEVREADWRITE("fdc", fd1791_t, read, write)
	296
84	297	ADDRESS_MAP_END
85	298
86	299	static INPUT_PORTS_START( itt3030 )
r26514	r26515
111	324	{
112	325	}
113	326
	327	FLOPPY_FORMATS_MEMBER( itt3030_state::itt3030_floppy_formats )
	328	FLOPPY_ITT3030_FORMAT
	329	FLOPPY_FORMATS_END
	330
	331
	332	static SLOT_INTERFACE_START( itt3030_floppies )
	333	SLOT_INTERFACE( "525dd", FLOPPY_525_DD )
	334	SLOT_INTERFACE_END
	335
	336
	337	static struct tms9927_interface crtc_intf =
	338	{
	339	16, // pixels per video memory address
	340	NULL // "self-load data"?
	341	};
	342
114	343	static MACHINE_CONFIG_START( itt3030, itt3030_state )
115	344
116	345	/* basic machine hardware */
r26514	r26515
121	350	/* video hardware */
122	351	MCFG_SCREEN_ADD("screen", RASTER)
123	352	MCFG_SCREEN_REFRESH_RATE(60)
124		MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
	353	MCFG_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(250))
125	354	MCFG_SCREEN_UPDATE_DRIVER(itt3030_state, screen_update)
126	355	MCFG_SCREEN_SIZE(808, 2416)
127	356	MCFG_SCREEN_VISIBLE_AREA(0, 808-1, 0, 2416-1)
	357
	358	/* devices */
	359	MCFG_DEVICE_ADD("crt5027", CRT5027, XTAL_6MHz)
	360	MCFG_DEVICE_CONFIG(crtc_intf)
	361	MCFG_FD1791x_ADD("fdc", XTAL_20MHz / 20)
	362	MCFG_WD_FDC_FORCE_READY
	363	MCFG_FLOPPY_DRIVE_ADD("fdc:0", itt3030_floppies, "525dd", itt3030_state::itt3030_floppy_formats)
	364	MCFG_FLOPPY_DRIVE_ADD("fdc:1", itt3030_floppies, "525dd", itt3030_state::itt3030_floppy_formats)
128	365
129	366	MCFG_GFXDECODE(itt3030)
130	367
r26514	r26515
132	369	MCFG_PALETTE_INIT_OVERRIDE(driver_device, black_and_white)
133	370
134	371	/* sound hardware */
135		MCFG_SPEAKER_STANDARD_MONO("mono")
	372	MCFG_SPEAKER_STANDARD_MONO( "mono" )
	373	MCFG_SOUND_ADD( "beeper", BEEP, 0 )
	374	MCFG_SOUND_ROUTE( ALL_OUTPUTS, "mono", 1.00 )
	375
136	376	MACHINE_CONFIG_END
137	377
138	378

199869 Revisions