MAME SVN History

199869 Revisions

r18409 Wednesday 10th October, 2012 at 13:39:09 UTC by smf
(MESS) Stops driving the SCSI bus when the target requests the bus. Move the SCSIHD first as it's unclear what drive was actually supplied. Set to use 3.5" floppy drive instead of 5.25". A couple of source tidy ups (nw)

[src/mess/drivers]	rmnimbus.c
[src/mess/includes]	rmnimbus.h
[src/mess/machine]	rmnimbus.c

trunk/src/mess/machine/rmnimbus.c
r18408	r18409
41	41	STAMP.EXE and then formatted in the normal way for a dos system drive with
42	42	Format /s.
43	43
44		The tracks, heads and sectors/track can be used with chdman -create~~blank~~
	44	The tracks, heads and sectors/track can be used with chdman createhd
45	45	to create a blank hard disk which can then be formatted with the RM tools.
46	46	The important thing when doing this is to make sure that if using the Native
47	47	SCSI tools, that the disk has the same number of blocks as specified above,
48	48	even if you have to use unusual geometry to do so !
	49
	50	for example:
	51
	52	chdman createhd -o ST125N.chd -chs 407,4,26 -ss 512
	53
49	54	*/
50	55
51	56
r18408	r18409
2498	2503	else
2499	2504	set_disk_int(machine(),0);
2500	2505
2501		if( mask ~~== HDC_REQ_MASK~~ )
	2506	switch( mask )
2502	2507	{
	2508	case HDC_REQ_MASK:
2503	2509	if (state==0)
2504	2510	{
2505	2511	if(((m_nimbus_drives.reg410_in & HDC_CD_MASK)==HDC_CD_MASK) && (last!=0))
r18408	r18409
2512	2518	{
2513	2519	m_scsibus->scsi_ack_w(1);
2514	2520	}
	2521	break;
	2522
	2523	case HDC_IO_MASK:
	2524	if (state==0)
	2525	{
	2526	printf( "switch to input mode\n" );
	2527	m_scsibus->scsi_data_w(0xff);
	2528	}
	2529	break;
2515	2530	}
2516	2531	}
2517	2532

trunk/src/mess/includes/rmnimbus.h
r18408	r18409
288	288	#define FDC_MOTOR_MASKI 0x04
289	289	#define HDC_MSG_MASK 0x08
290	290	#define HDC_BSY_MASK 0x10
291		#define HDC_IO_MASK 0X20
	291	#define HDC_IO_MASK 0x20
292	292	#define HDC_CD_MASK 0x40
293	293	#define HDC_REQ_MASK 0x80
294	294

trunk/src/mess/drivers/rmnimbus.c
r18408	r18409
28	28	const unsigned char nimbus_palette[SCREEN_NO_COLOURS][3] =
29	29	{
30	30	/normal brightness /
31		{ 0x00,0x00,0x00 }, /* black */
	31	{ 0x00,0x00,0x00 }, /* black */
32	32	{ 0x00,0x00,0x80 }, /* blue */
33	33	{ 0x80,0x00,0x00 }, /* red */
34	34	{ 0x80,0x00,0x80 }, /* magenta */
r18408	r18409
55	55	DEVCB_NULL,
56	56	DEVCB_NULL,
57	57	DEVCB_NULL,
58		FLOPPY_STANDARD_5_25_DSSD~~_35~~,
	58	FLOPPY_STANDARD_3_5_DSDD,
59	59	LEGACY_FLOPPY_OPTIONS_NAME(pc),
60	60	NULL,
61	61	NULL
r18408	r18409
308	308	MCFG_CPU_PROGRAM_MAP(nimbus_iocpu_mem)
309	309	MCFG_CPU_IO_MAP(nimbus_iocpu_io)
310	310
311
312
313	311	/* video hardware */
314	312	MCFG_SCREEN_ADD("screen", RASTER)
315	313	MCFG_SCREEN_REFRESH_RATE(50)
r18408	r18409
324	322	MCFG_SCREEN_SIZE(650, 260)
325	323	MCFG_SCREEN_VISIBLE_AREA(0, 639, 0, 249)
326	324
327
328
329	325	/* Backing storage */
330	326	MCFG_WD2793_ADD(FDC_TAG, nimbus_wd17xx_interface )
331	327	MCFG_LEGACY_FLOPPY_4_DRIVES_ADD(nimbus_floppy_interface)
332	328
333	329	MCFG_SCSIBUS_ADD(SCSIBUS_TAG)
334		MCFG_SCSIDEV_ADD(SCSIBUS_TAG ":harddisk0", ACB4070, SCSI_ID_0)
335		MCFG_SCSIDEV_ADD(SCSIBUS_TAG ":harddisk1", S1410, SCSI_ID_1)
336		MCFG_SCSIDEV_ADD(SCSIBUS_TAG ":harddisk2", SCSIHD, SCSI_ID_2)
337		MCFG_SCSIDEV_ADD(SCSIBUS_TAG ":harddisk3", SCSIHD, SCSI_ID_3)
	330	MCFG_SCSIDEV_ADD(SCSIBUS_TAG ":harddisk0", SCSIHD, SCSI_ID_0)
	331	MCFG_SCSIDEV_ADD(SCSIBUS_TAG ":harddisk1", SCSIHD, SCSI_ID_1)
	332	MCFG_SCSIDEV_ADD(SCSIBUS_TAG ":harddisk2", ACB4070, SCSI_ID_2)
	333	MCFG_SCSIDEV_ADD(SCSIBUS_TAG ":harddisk3", S1410, SCSI_ID_3)
338	334	MCFG_SCSICB_ADD(SCSIBUS_TAG ":host", scsibus_config)
339	335
340	336	MCFG_RAM_ADD(RAM_TAG)
r18408	r18409
358	354	MCFG_SOUND_ADD(MSM5205_TAG, MSM5205, 384000)
359	355	MCFG_SOUND_CONFIG(msm5205_config)
360	356	MCFG_SOUND_ROUTE(ALL_OUTPUTS, MONO_TAG, 0.75)
361
362
363	357	MACHINE_CONFIG_END
364	358
365	359
r18408	r18409
382	376	ROM_LOAD("hexec-v1.02u-13488-1985-10-29.rom", 0x0000, 0x1000, CRC(75c6adfd) SHA1(0f11e0b7386c6368d20e1fc7a6196d670f924825))
383	377	ROM_END
384	378
385
386	379	/* YEAR NAME PARENT COMPAT MACHINE INPUT INIT COMPANY FULLNAME FLAGS */
387	380	COMP( 1986, nimbus, 0, 0, nimbus, nimbus, driver_device, 0, "Research Machines", "Nimbus", 0)

199869 Revisions