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r20955 Monday 11th February, 2013 at 20:01:56 UTC by Angelo Salese
Cosmetic change, nw

[src/emu/machine]

stvcd.c

trunk/src/emu/machine/stvcd.c

r20954	r20955
109	109	1)
110	110	printf("CD: command exec %04x %04x %04x %04x %04x (stat %04x)\n", hirqreg, cr1, cr2, cr3, cr4, cd_stat);
111	111
112		switch (cr1 & 0xff00)
	112	switch ((cr1 >> 8) & 0xff)
113	113	{
114		case 0x0000:
	114	case 0x00:
115	115	//CDROM_LOG(("%s:CD: Get Status\n", machine.describe_context()))
116	116	hirqreg |= CMOK;
117	117	cr_standard_return(cd_stat);
118	118	//CDROM_LOG(("   = %04x %04x %04x %04x %04x\n", hirqreg, cr1, cr2, cr3, cr4))
119	119	break;
120	120
121		case 0x0100:
	121	case 0x01:
122	122	CDROM_LOG(("%s:CD: Get Hardware Info\n", machine.describe_context()))
123	123	hirqreg |= CMOK;
124	124	cr1 = cd_stat;
r20954	r20955
127	127	cr4 = 0x0400;
128	128	break;
129	129
130		case 0x0200:    // Get TOC
	130	case 0x02:    // Get TOC
131	131	CDROM_LOG(("%s:CD: Get TOC\n", machine.describe_context()))
132	132	cd_readTOC();
133	133	cd_stat = CD_STAT_TRANS|CD_STAT_PAUSE;
r20954	r20955
139	139	hirqreg |= (CMOK|DRDY);
140	140	break;
141	141
142		case 0x0300:    // get session info (lower byte = session # to get?)
	142	case 0x03:    // get session info (lower byte = session # to get?)
143	143	// bios is interested in returns in cr3 and cr4
144	144	// cr3 should be data track #
145	145	// cr4 must be > 1 and < 100 or bios gets angry.
r20954	r20955
176	176	break;
177	177
178	178	/* TODO: double check this */
179		case 0x0400:    // initialize CD system
	179	case 0x04:    // initialize CD system
180	180	// CR1 & 1 = reset software
181	181	// CR1 & 2 = decode RW subcode
182	182	// CR1 & 4 = don't confirm mode 2 subheader
r20954	r20955
224	224	cr_standard_return(cd_stat);
225	225	break;
226	226
227		case 0x0600:    // end data transfer (TODO: needs to be worked on!)
	227	case 0x06:    // end data transfer (TODO: needs to be worked on!)
228	228	// returns # of bytes transfered (24 bits) in
229	229	// low byte of cr1 (MSB) and cr2 (middle byte, LSB)
230	230	CDROM_LOG(("%s:CD: End data transfer (%d bytes xfer'd)\n", machine.describe_context(), xferdnum))
r20954	r20955
297	297	CDROM_LOG(("   = %04x %04x %04x %04x %04x\n", hirqreg, cr1, cr2, cr3, cr4))
298	298	break;
299	299
300		case 0x1000: // Play Disc.  FAD is in lowest 7 bits of cr1 and all of cr2.
	300	case 0x10: // Play Disc.  FAD is in lowest 7 bits of cr1 and all of cr2.
301	301	UINT32 start_pos,end_pos;
302	302	UINT8 play_mode;
303	303
r20954	r20955
413	413
414	414	break;
415	415
416		case 0x1100: // disc seek
	416	case 0x11: // disc seek
417	417	CDROM_LOG(("%s:CD: Disc seek\n",   machine.describe_context()))
418	418	//printf("%08x %08x %08x %08x\n",cr1,cr2,cr3,cr4);
419	419	if (cr1 & 0x80)
r20954	r20955
459	459	cr_standard_return(cd_stat);
460	460	break;
461	461
462		case 0x1200: // FFWD / REW
	462	case 0x12: // FFWD / REW
463	463	//cr1 bit 0 determines if this is a Fast Forward (0) or a Rewind (1) command
464	464	// ...
465	465	break;
466	466
467		case 0x2000: // Get SubCode Q / RW Channel
	467	case 0x20: // Get SubCode Q / RW Channel
468	468	switch(cr1 & 0xff)
469	469	{
470	470	case 0: // Get Q
r20954	r20955
535	535	hirqreg |= CMOK|DRDY;
536	536	break;
537	537
538		case 0x3000:    // Set CD Device connection
	538	case 0x30:    // Set CD Device connection
539	539	{
540	540	UINT8 parm;
541	541
r20954	r20955
564	564	}
565	565	break;
566	566
567		case 0x3100:
	567	case 0x31:
568	568	popmessage("Get CD Device Connection, contact MAMEdev");
569	569	hirqreg |= CMOK;
570	570	break;
571	571
572		case 0x3200:    // Last Buffer Destination
	572	case 0x32:    // Last Buffer Destination
573	573	cr1 = cd_stat | 0;
574	574	cr2 = 0;
575	575	cr3 = lastbuf << 8;
r20954	r20955
577	577	hirqreg |= (CMOK);
578	578	break;
579	579
580		case 0x4000:    // Set Filter Range
	580	case 0x40:    // Set Filter Range
581	581	// cr1 low + cr2 = FAD0, cr3 low + cr4 = FAD1
582	582	// cr3 hi = filter num.
583	583	{
r20954	r20955
595	595	}
596	596	break;
597	597
598		case 0x4100:
	598	case 0x41:
599	599	popmessage("Get Filter Range, contact MAMEdev");
600	600	hirqreg |= CMOK;
601	601	break;
602	602
603		case 0x4200:    // Set Filter Subheader conditions
	603	case 0x42:    // Set Filter Subheader conditions
604	604	{
605	605	UINT8 fnum = (cr3>>8)&0xff;
606	606
r20954	r20955
618	618	}
619	619	break;
620	620
621		case 0x4300:    // Get Filter Subheader conditions
	621	case 0x43:    // Get Filter Subheader conditions
622	622	{
623	623	UINT8 fnum = (cr3>>8)&0xff;
624	624
r20954	r20955
633	633	}
634	634	break;
635	635
636		case 0x4400:    // Set Filter Mode
	636	case 0x44:    // Set Filter Mode
637	637	{
638	638	UINT8 fnum = (cr3>>8)&0xff;
639	639	UINT8 mode = (cr1 & 0xff);
r20954	r20955
654	654	}
655	655	break;
656	656
657		case 0x4500:    // Get Filter Mode
	657	case 0x45:    // Get Filter Mode
658	658	{
659	659	UINT8 fnum = (cr3>>8)&0xff;
660	660
r20954	r20955
666	666	}
667	667	break;
668	668
669		case 0x4600:    // Set Filter Connection
	669	case 0x46:    // Set Filter Connection
670	670	{
671	671	/* TODO: maybe condition false is cr3 low? */
672	672	UINT8 fnum = (cr3>>8)&0xff;
r20954	r20955
684	684	}
685	685	break;
686	686
687		case 0x4800:    // Reset Selector
	687	case 0x48:    // Reset Selector
688	688	{
689	689	int i,j;
690	690
r20954	r20955
771	771	}
772	772	break;
773	773
774		case 0x5000:    // get Buffer Size
	774	case 0x50:    // get Buffer Size
775	775	cr1 = cd_stat;
776	776	cr2 = (freeblocks > 200) ? 200 : freeblocks;
777	777	cr3 = 0x1800;
r20954	r20955
780	780	hirqreg |= (CMOK);
781	781	break;
782	782
783		case 0x5100:    // get # sectors used in a buffer
	783	case 0x51:    // get # sectors used in a buffer
784	784	{
785	785	UINT32 bufnum = cr3>>8;
786	786
r20954	r20955
803	803	}
804	804	break;
805	805
806		case 0x5200:    // calculate actual size
	806	case 0x52:    // calculate actual size
807	807	{
808	808	UINT32 bufnum = cr3>>8;
809	809	UINT32 sectoffs = cr2;
r20954	r20955
830	830	}
831	831	break;
832	832
833		case 0x5300:    // get actual block size
	833	case 0x53:    // get actual block size
834	834	CDROM_LOG(("%s:CD: Get actual block size\n", machine.describe_context()))
835	835	hirqreg |= (CMOK|ESEL);
836	836	cr1 = cd_stat | ((calcsize>>16)&0xff);
r20954	r20955
839	839	cr4 = 0;
840	840	break;
841	841
842		case 0x5400:    // get sector info
	842	case 0x54:    // get sector info
843	843	{
844	844	UINT32 sectoffs = cr2 & 0xff;
845	845	UINT32 bufnum = cr3>>8;
r20954	r20955
861	861	}
862	862	break;
863	863
864		case 0x6000:    // set sector length
	864	case 0x60:    // set sector length
865	865	CDROM_LOG(("%s:CD: Set sector length\n",   machine.describe_context()))
866	866
867	867	switch (cr1 & 0xff)
r20954	r20955
899	899	cr_standard_return(cd_stat);
900	900	break;
901	901
902		case 0x6100:    // get sector data
	902	case 0x61:    // get sector data
903	903	{
904	904	UINT32 sectnum = cr4;
905	905	UINT32 sectofs = cr2;
r20954	r20955
941	941	}
942	942	break;
943	943
944		case 0x6200:    // delete sector data
	944	case 0x62:    // delete sector data
945	945	{
946	946	UINT32 sectnum = cr4;
947	947	UINT32 sectofs = cr2;
r20954	r20955
993	993	}
994	994	break;
995	995
996		case 0x6300:    // get then delete sector data
	996	case 0x63:    // get then delete sector data
997	997	{
998	998	UINT32 sectnum = cr4;
999	999	UINT32 sectofs = cr2;
r20954	r20955
1035	1035	}
1036	1036	break;
1037	1037
1038		case 0x6400:    // put sector data
	1038	case 0x64:    // put sector data
1039	1039	/* TODO: After Burner 2, Out Run, Fantasy Zone and Dungeon Master Nexus trips this */
1040	1040	// ...
1041	1041	{
r20954	r20955
1049	1049	cr_standard_return(cd_stat);
1050	1050	break;
1051	1051
1052		case 0x6500:
	1052	case 0x65:
1053	1053	popmessage("Copy Sector data, contact MAMEdev");
1054	1054	hirqreg |= (CMOK);
1055	1055	break;
1056	1056
1057		case 0x6600:    // move sector data
	1057	case 0x66:    // move sector data
1058	1058	/* TODO: Sword & Sorcery / Riglord Saga 2 */
1059	1059	{
1060	1060	//UINT8 src_filter = (cr3>>8)&0xff;
r20954	r20955
1066	1066	break;
1067	1067
1068	1068
1069		case 0x6700:    // get copy error
	1069	case 0x67:    // get copy error
1070	1070	CDROM_LOG(("%s:CD: Get copy error\n",   machine.describe_context()))
1071	1071	printf("Get copy error\n");
1072	1072	cr1 = cd_stat;
r20954	r20955
1076	1076	hirqreg |= (CMOK);
1077	1077	break;
1078	1078
1079		case 0x7000:    // change directory
	1079	case 0x70:    // change directory
1080	1080	CDROM_LOG(("%s:CD: Change Directory\n",   machine.describe_context()))
1081	1081	hirqreg |= (CMOK|EFLS);
1082	1082
r20954	r20955
1087	1087	cr_standard_return(cd_stat);
1088	1088	break;
1089	1089
1090		case 0x7100:    // Read directory entry
	1090	case 0x71:    // Read directory entry
1091	1091	CDROM_LOG(("%s:CD: Read Directory Entry\n",   machine.describe_context()))
1092	1092	//          UINT32 read_dir;
1093	1093
r20954	r20955
1105	1105	hirqreg |= (CMOK|EFLS);
1106	1106	break;
1107	1107
1108		case 0x7200:    // Get file system scope
	1108	case 0x72:    // Get file system scope
1109	1109	CDROM_LOG(("CD: Get file system scope\n"))
1110	1110	hirqreg |= (CMOK|EFLS);
1111	1111	cr1 = cd_stat;
r20954	r20955
1115	1115	printf("%04x %04x %04x %04x\n",cr1,cr2,cr3,cr4);
1116	1116	break;
1117	1117
1118		case 0x7300:    // Get File Info
	1118	case 0x73:    // Get File Info
1119	1119	CDROM_LOG(("%s:CD: Get File Info\n",   machine.describe_context()))
1120	1120	cd_stat |= CD_STAT_TRANS;
1121	1121	cd_stat &= 0xff00;      // clear top byte of return value
r20954	r20955
1173	1173	CDROM_LOG(("   = %04x %04x %04x %04x %04x\n", hirqreg, cr1, cr2, cr3, cr4))
1174	1174	break;
1175	1175
1176		case 0x7400:    // Read File
	1176	case 0x74:    // Read File
1177	1177	CDROM_LOG(("%s:CD: Read File\n",   machine.describe_context()))
1178	1178	UINT16 file_offset,file_filter,file_id,file_size;
1179	1179
r20954	r20955
1203	1203
1204	1204	break;
1205	1205
1206		case 0x7500:
	1206	case 0x75:
1207	1207	CDROM_LOG(("%s:CD: Abort File\n",   machine.describe_context()))
1208	1208	// bios expects "2bc" mask to work against this
1209	1209	hirqreg |= (CMOK|EFLS);
r20954	r20955
1215	1215	cr_standard_return(cd_stat);
1216	1216	break;
1217	1217
1218		case 0xe000:    // appears to be copy protection check.  needs only to return OK.
	1218	case 0xe0:    // appears to be copy protection check.  needs only to return OK.
1219	1219	CDROM_LOG(("%s:CD: Verify copy protection\n",   machine.describe_context()))
1220	1220	if(((cd_stat & 0x0f00) != CD_STAT_NODISC) && ((cd_stat & 0x0f00) != CD_STAT_OPEN))
1221	1221	cd_stat = CD_STAT_PAUSE;
r20954	r20955
1227	1227	cr_standard_return(cd_stat);
1228	1228	break;
1229	1229
1230		case 0xe100:    // get disc region
	1230	case 0xe1:    // get disc region
1231	1231	CDROM_LOG(("%s:CD: Get disc region\n",   machine.describe_context()))
1232	1232	if(cd_stat != CD_STAT_NODISC && cd_stat != CD_STAT_OPEN)
1233	1233	cd_stat = CD_STAT_PAUSE;
r20954	r20955
1240	1240	break;
1241	1241
1242	1242	default:
1243		CDROM_LOG(("CD: Unknown command %04x\n", cr1))
	1243	CDROM_LOG(("CD: Unknown command %04x\n", cr1>>8))
	1244	popmessage("CD Block unknown command %02x, contact MAMEdev",cr1>>8);
1244	1245	hirqreg |= (CMOK);
1245	1246	break;
1246	1247	}

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