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r20171 Thursday 10th January, 2013 at 01:14:52 UTC by Angelo Salese
Added very preliminary timers

[src/mame/drivers]	3do.c
[src/mame/includes]	3do.h
[src/mame/machine]	3do.c

trunk/src/mame/drivers/3do.c

r20170	r20171
157	157	MCFG_CPU_ADD( "maincpu", ARM7_BE, XTAL_50MHz/4 )
158	158	MCFG_CPU_PROGRAM_MAP( 3do_mem)
159	159
	160	MCFG_TIMER_DRIVER_ADD_PERIODIC("timer_x16", _3do_state, timer_x16_cb, attotime::from_hz(12000)) // TODO: timing
160	161
161	162	MCFG_VIDEO_START_OVERRIDE(_3do_state, _3do )
162	163

trunk/src/mame/machine/3do.c

r20170	r20171
61	61	#define LOG(x) do { if (VERBOSE) printf x; } while (0)
62	62
63	63	/*
	64	IRQ0
64	65	0x80000000 Second Priority
65	66	0x40000000 SW irq
66	67	0x20000000 DMA<->EXP
r20170	r20171
78	79	0x00000004 Expansion Bus
79	80	0x00000002 Vertical 1
80	81	0x00000001 Vertical 0
	82
	83	---
	84	IRQ1
	85	0x00000400 DSPPOVER (Red rev. only)
	86	0x00000200 DSPPUNDER (Red rev. only)
	87	0x00000100 BadBits
	88	0x00000080 DMA<-External
	89	0x00000040 DMA->External
	90	0x00000020 DMA<-Uncle
	91	0x00000010 DMA->Uncle
	92	0x00000008 DMA RAM->DSPP N
	93	0x00000004 SlowBus
	94	0x00000002 Disk Inserted
	95	0x00000001 DMA Player bus
	96
81	97	*/
82	98	void _3do_state::m_3do_request_fiq(UINT32 irq_req, UINT8 type)
83	99	{
r20170	r20171
93	109
94	110	if((m_clio.irq0 & m_clio.irq0_enable) || (m_clio.irq1 & m_clio.irq1_enable))
95	111	{
96		printf("Go irq %08x & %08x %08x & %08x\n",m_clio.irq0, m_clio.irq0_enable, m_clio.irq1, m_clio.irq1_enable);
	112	//printf("Go irq %08x & %08x %08x & %08x\n",m_clio.irq0, m_clio.irq0_enable, m_clio.irq1, m_clio.irq1_enable);
97	113	generic_pulse_irq_line(m_maincpu, ARM7_FIRQ_LINE, 1);
98	114	}
99	115	}
100	116
101		/*
102		0x00000400 DSPPOVER (Red rev. only)
103		0x00000200 DSPPUNDER (Red rev. only)
104		0x00000100 BadBits
105		0x00000080 DMA<-External
106		0x00000040 DMA->External
107		0x00000020 DMA<-Uncle
108		0x00000010 DMA->Uncle
109		0x00000008 DMA RAM->DSPP N
110		0x00000004 SlowBus
111		0x00000002 Disk Inserted
112		0x00000001 DMA Player bus
113		*/
	117	/* TODO: timer frequency is unknown, everything else is guesswork. */
	118	TIMER_DEVICE_CALLBACK_MEMBER( _3do_state::timer_x16_cb )
	119	{
	120	/*
	121	x--- fablode flag (wtf?)
	122	-x-- cascade flag (TODO: not knowing the timing also means that this one would be VERY slow if implemented)
	123	--x- reload flag
	124	---x decrement flag (enable)
	125	*/
	126	UINT8 timer_flag;
114	127
	128	for(int i = 0;i < 16; i++)
	129	{
	130	timer_flag = (m_clio.timer_ctrl >> i*4) & 0xf;
115	131
	132	if(timer_flag & 1)
	133	{
	134	m_clio.timer_count[i]--;
	135
	136	if(m_clio.timer_count[i] == 0) // timer hit
	137	{
	138	if(i & 1) // odd timer irq fires
	139	m_3do_request_fiq(8 << (7-(i >> 1)),0);
	140
	141	if(timer_flag & 2)
	142	m_clio.timer_count[i] = m_clio.timer_backup[i];
	143	else
	144	m_clio.timer_ctrl &= (~1 << i*4);
	145	}
	146	}
	147	}
	148	}
	149
116	150	READ32_MEMBER(_3do_state::_3do_nvarea_r){
117	151	logerror( "%08X: NVRAM read offset = %08X\n", machine().device("maincpu")->safe_pc(), offset );
118	152	return 0;
r20170	r20171
440	474	break;
441	475	case 0x0028/4:
442	476	m_madam.statbits = data;
	477	break; // <- this was a fall-through?
443	478	case 0x0040/4:
444	479	m_madam.diag = 1;
445	480	break;
r20170	r20171
651	686	case 0x0088/4:
652	687	return m_clio.adbctl;
653	688
654		case 0x0100/4:
655		return m_clio.timer0;
656		case 0x0104/4:
657		return m_clio.timerback0;
658		case 0x0108/4:
659		return m_clio.timer1;
660		case 0x010c/4:
661		return m_clio.timerback1;
662		case 0x0110/4:
663		return m_clio.timer2;
664		case 0x0114/4:
665		return m_clio.timerback2;
666		case 0x0118/4:
667		return m_clio.timer3;
668		case 0x011c/4:
669		return m_clio.timerback3;
670		case 0x0120/4:
671		return m_clio.timer4;
672		case 0x0124/4:
673		return m_clio.timerback4;
674		case 0x0128/4:
675		return m_clio.timer5;
676		case 0x012c/4:
677		return m_clio.timerback5;
678		case 0x0130/4:
679		return m_clio.timer6;
680		case 0x0134/4:
681		return m_clio.timerback6;
682		case 0x0138/4:
683		return m_clio.timer7;
684		case 0x013c/4:
685		return m_clio.timerback7;
686		case 0x0140/4:
687		return m_clio.timer8;
688		case 0x0144/4:
689		return m_clio.timerback8;
690		case 0x0148/4:
691		return m_clio.timer9;
692		case 0x014c/4:
693		return m_clio.timerback9;
694		case 0x0150/4:
695		return m_clio.timer10;
696		case 0x0154/4:
697		return m_clio.timerback10;
698		case 0x0158/4:
699		return m_clio.timer11;
700		case 0x015c/4:
701		return m_clio.timerback11;
702		case 0x0160/4:
703		return m_clio.timer12;
704		case 0x0164/4:
705		return m_clio.timerback12;
706		case 0x0168/4:
707		return m_clio.timer13;
708		case 0x016c/4:
709		return m_clio.timerback13;
710		case 0x0170/4:
711		return m_clio.timer14;
712		case 0x0174/4:
713		return m_clio.timerback14;
714		case 0x0178/4:
715		return m_clio.timer15;
716		case 0x017c/4:
717		return m_clio.timerback15;
	689	case 0x0100/4:   case 0x0108/4:   case 0x0110/4:   case 0x0118/4:
	690	case 0x0120/4:   case 0x0128/4:   case 0x0130/4:   case 0x0138/4:
	691	case 0x0140/4:   case 0x0148/4:   case 0x0150/4:  case 0x0158/4:
	692	case 0x0160/4:   case 0x0168/4:   case 0x0170/4:   case 0x0178/4:
	693	return m_clio.timer_count[((offset & 0x3f) >> 1)+0];
	694	case 0x0104/4:   case 0x010c/4:   case 0x0114/4:   case 0x011c/4:
	695	case 0x0124/4:   case 0x012c/4:   case 0x0134/4:   case 0x013c/4:
	696	case 0x0144/4:   case 0x014c/4:   case 0x0154/4:   case 0x015c/4:
	697	case 0x0164/4:   case 0x016c/4:   case 0x0174/4:   case 0x017c/4:
	698	return m_clio.timer_backup[((offset & 0x3f) >> 1)];
718	699
719	700	case 0x0200/4:
720		return m_clio.settm0;
721	701	case 0x0204/4:
722		return m_clio.clrtm0;
	702	return m_clio.timer_ctrl;
723	703	case 0x0208/4:
724		return m_clio.settm1;
725	704	case 0x020c/4:
726		return m_clio.clrtm1;
	705	return m_clio.timer_ctrl >> 32;
727	706
728	707	case 0x0220/4:
729	708	return m_clio.slack;
r20170	r20171
809	788	m_3do_request_fiq(0,0);
810	789	break;
811	790	case 0x0044/4:
812		LOG(("%08x PEND0 CLEAR\n",data));
	791	//LOG(("%08x PEND0 CLEAR\n",data));
813	792	m_clio.irq0 &= ~data;
814	793	m_3do_request_fiq(0,0);
815	794	break;
r20170	r20171
865	844	m_clio.adbctl = data;
866	845	break;
867	846
868		case 0x0100/4:
869		m_clio.timer0 = data & 0x0000ffff;
	847	/* only lower 16-bits are uploaded */
	848	case 0x0100/4:   case 0x0108/4:   case 0x0110/4:   case 0x0118/4:
	849	case 0x0120/4:   case 0x0128/4:   case 0x0130/4:   case 0x0138/4:
	850	case 0x0140/4:   case 0x0148/4:   case 0x0150/4:  case 0x0158/4:
	851	case 0x0160/4:   case 0x0168/4:   case 0x0170/4:   case 0x0178/4:
	852	m_clio.timer_count[((offset & 0x3f) >> 1)] = data & 0xffff;
870	853	break;
871		case 0x0104/4:
872		m_clio.timerback0 = data & 0x0000ffff;
	854	case 0x0104/4:   case 0x010c/4:   case 0x0114/4:   case 0x011c/4:
	855	case 0x0124/4:   case 0x012c/4:   case 0x0134/4:   case 0x013c/4:
	856	case 0x0144/4:   case 0x014c/4:   case 0x0154/4:   case 0x015c/4:
	857	case 0x0164/4:   case 0x016c/4:   case 0x0174/4:   case 0x017c/4:
	858	m_clio.timer_backup[((offset & 0x3f) >> 1)] = data & 0xffff;
873	859	break;
874		case 0x0108/4:
875		m_clio.timer1 = data & 0x0000ffff;
876		break;
877		case 0x010c/4:
878		m_clio.timerback1 = data & 0x0000ffff;
879		break;
880		case 0x0110/4:
881		m_clio.timer2 = data & 0x0000ffff;
882		break;
883		case 0x0114/4:
884		m_clio.timerback2 = data & 0x0000ffff;
885		break;
886		case 0x0118/4:
887		m_clio.timer3 = data & 0x0000ffff;
888		break;
889		case 0x011c/4:
890		m_clio.timerback3 = data & 0x0000ffff;
891		break;
892		case 0x0120/4:
893		m_clio.timer4 = data & 0x0000ffff;
894		break;
895		case 0x0124/4:
896		m_clio.timerback4 = data & 0x0000ffff;
897		break;
898		case 0x0128/4:
899		m_clio.timer5 = data & 0x0000ffff;
900		break;
901		case 0x012c/4:
902		m_clio.timerback5 = data & 0x0000ffff;
903		break;
904		case 0x0130/4:
905		m_clio.timer6 = data & 0x0000ffff;
906		break;
907		case 0x0134/4:
908		m_clio.timerback6 = data & 0x0000ffff;
909		break;
910		case 0x0138/4:
911		m_clio.timer7 = data & 0x0000ffff;
912		break;
913		case 0x013c/4:
914		m_clio.timerback7 = data & 0x0000ffff;
915		break;
916		case 0x0140/4:
917		m_clio.timer8 = data & 0x0000ffff;
918		break;
919		case 0x0144/4:
920		m_clio.timerback8 = data & 0x0000ffff;
921		break;
922		case 0x0148/4:
923		m_clio.timer9 = data & 0x0000ffff;
924		break;
925		case 0x014c/4:
926		m_clio.timerback9 = data & 0x0000ffff;
927		break;
928		case 0x0150/4:
929		m_clio.timer10 = data & 0x0000ffff;
930		break;
931		case 0x0154/4:
932		m_clio.timerback10 = data & 0x0000ffff;
933		break;
934		case 0x0158/4:
935		m_clio.timer11 = data & 0x0000ffff;
936		break;
937		case 0x015c/4:
938		m_clio.timerback11 = data & 0x0000ffff;
939		break;
940		case 0x0160/4:
941		m_clio.timer12 = data & 0x0000ffff;
942		break;
943		case 0x0164/4:
944		m_clio.timerback12 = data & 0x0000ffff;
945		break;
946		case 0x0168/4:
947		m_clio.timer13 = data & 0x0000ffff;
948		break;
949		case 0x016c/4:
950		m_clio.timerback13 = data & 0x0000ffff;
951		break;
952		case 0x0170/4:
953		m_clio.timer14 = data & 0x0000ffff;
954		break;
955		case 0x0174/4:
956		m_clio.timerback14 = data & 0x0000ffff;
957		break;
958		case 0x0178/4:
959		m_clio.timer15 = data & 0x0000ffff;
960		break;
961		case 0x017c/4:
962		m_clio.timerback15 = data & 0x0000ffff;
963		break;
964	860
965	861	case 0x0200/4:
966		m_clio.settm0 = data;
	862	m_clio.timer_ctrl |= (UINT64)data;
967	863	break;
968	864	case 0x0204/4:
969		m_clio.clrtm0 = data;
	865	m_clio.timer_ctrl &= ~(UINT64)data;
970	866	break;
971	867	case 0x0208/4:
972		m_clio.settm0 = data;
	868	m_clio.timer_ctrl |= ((UINT64)data << 32);
973	869	break;
974	870	case 0x020c/4:
	871	m_clio.timer_ctrl &= ~((UINT64)data << 32);
975	872	break;
976	873
977	874	case 0x0220/4:

trunk/src/mame/includes/3do.h

r20170	r20171
80	80	UINT32   adbio;         /* 03400084 */
81	81	UINT32   adbctl;         /* 03400088 */
82	82	/* Timers */
83		UINT32   timer0;         /* 03400100 */
84		UINT32   timerback0;      /* 03400104 */
85		UINT32   timer1;         /* 03400108 */
86		UINT32   timerback1;      /* 0340010c */
87		UINT32   timer2;         /* 03400110 */
88		UINT32   timerback2;      /* 03400114 */
89		UINT32   timer3;         /* 03400118 */
90		UINT32   timerback3;      /* 0340011c */
91		UINT32   timer4;         /* 03400120 */
92		UINT32   timerback4;      /* 03400124 */
93		UINT32   timer5;         /* 03400128 */
94		UINT32   timerback5;      /* 0340012c */
95		UINT32   timer6;         /* 03400130 */
96		UINT32   timerback6;      /* 03400134 */
97		UINT32   timer7;         /* 03400138 */
98		UINT32   timerback7;      /* 0340013c */
99		UINT32   timer8;         /* 03400140 */
100		UINT32   timerback8;      /* 03400144 */
101		UINT32   timer9;         /* 03400148 */
102		UINT32   timerback9;      /* 0340014c */
103		UINT32   timer10;      /* 03400150 */
104		UINT32   timerback10;   /* 03400154 */
105		UINT32   timer11;      /* 03400158 */
106		UINT32   timerback11;   /* 0340015c */
107		UINT32   timer12;      /* 03400160 */
108		UINT32   timerback12;   /* 03400164 */
109		UINT32   timer13;      /* 03400168 */
110		UINT32   timerback13;   /* 0340016c */
111		UINT32   timer14;      /* 03400170 */
112		UINT32   timerback14;   /* 03400174 */
113		UINT32   timer15;      /* 03400178 */
114		UINT32   timerback15;   /* 0340017c */
115		UINT32   settm0;         /* 03400200 */
116		UINT32   clrtm0;         /* 03400204 */
117		UINT32   settm1;         /* 03400208 */
118		UINT32   clrtm1;         /* 0340020c */
	83	UINT32   timer_count[16];/* 034001** & 8 */
	84	UINT32   timer_backup[16];   /* 034001**+4 & 8 */
	85	UINT64   timer_ctrl;      /* 03400200 */
119	86	UINT32   slack;         /* 03400220 */
120	87	/* DMA */
121	88	UINT32   dmareqdis;      /* 03400308 */
r20170	r20171
190	157	DECLARE_VIDEO_START(_3do);
191	158	UINT32 screen_update__3do(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
192	159
	160	TIMER_DEVICE_CALLBACK_MEMBER( timer_x16_cb );
	161
193	162	private:
194	163	void m_3do_request_fiq(UINT32 irq_req, UINT8 type);
195	164	};

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