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r31981 Monday 8th September, 2014 at 04:06:26 UTC by Barry Rodewald
pc_vga: moved trident VGA device into its own source file (no whatsnew)

[src/emu/bus]	bus.mak
[src/emu/bus/isa]	svga_trident.h trident.c* trident.h*
[src/emu/video]	pc_vga.c pc_vga.h
[src/mame/drivers]	calchase.c voyager.c

trunk/src/mame/drivers/calchase.c

r31980	r31981
127	127	#include "video/pc_vga.h"
128	128	#include "sound/dac.h"
129	129	#include "machine/pcshare.h"
	130	#include "bus/isa/trident.h"
130	131
131	132
132	133	class calchase_state : public pcat_base_state

trunk/src/mame/drivers/voyager.c

r31980	r31981
19	19	#include "machine/pckeybrd.h"
20	20	#include "machine/idectrl.h"
21	21	#include "video/pc_vga.h"
	22	#include "bus/isa/trident.h"
22	23
23	24	class voyager_state : public pcat_base_state
24	25	{

trunk/src/emu/video/pc_vga.c

r31980	r31981
46	46
47	47	#include "emu.h"
48	48	#include "pc_vga.h"
	49	#include "bus/isa/trident.h"
49	50	#include "machine/eepromser.h"
50	51	#include "debugger.h"
51	52
r31980	r31981
118	119	// device type definition
119	120	const device_type VGA = &device_creator<vga_device>;
120	121	const device_type TSENG_VGA = &device_creator<tseng_vga_device>;
121		const device_type TRIDENT_VGA = &device_creator<trident_vga_device>;
122	122	const device_type S3_VGA = &device_creator<s3_vga_device>;
123	123	const device_type GAMTOR_VGA = &device_creator<gamtor_vga_device>;
124	124	const device_type ATI_VGA = &device_creator<ati_vga_device>;
r31980	r31981
148	148	{
149	149	}
150	150
151		trident_vga_device::trident_vga_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
152		: svga_device(mconfig, TRIDENT_VGA, "Trident VGA", tag, owner, clock, "trident_vga", __FILE__)
153		{
154		}
155
156	151	s3_vga_device::s3_vga_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
157	152	: ati_vga_device(mconfig, S3_VGA, "S3 Graphics VGA", tag, owner, clock, "s3_vga", __FILE__)
158	153	{
r31980	r31981
2584	2579
2585	2580	/******************************************
2586	2581
2587		Trident implementation
2588
2589		******************************************/
2590		UINT8 trident_vga_device::trident_seq_reg_read(UINT8 index)
2591		{
2592		UINT8 res;
2593
2594		res = 0xff;
2595
2596		if(index <= 0x04)
2597		res = vga.sequencer.data[index];
2598		else
2599		{
2600		switch(index)
2601		{
2602		case 0x0b:
2603		res = svga.id;
2604		// TODO: new mode registers selected
2605		break;
2606		case 0x0d:
2607		res = svga.rgb15_en;
2608		break;
2609		}
2610		}
2611
2612		return res;
2613		}
2614
2615		void trident_vga_device::trident_seq_reg_write(UINT8 index, UINT8 data)
2616		{
2617		if(index <= 0x04)
2618		{
2619		vga.sequencer.data[vga.sequencer.index] = data;
2620		seq_reg_write(vga.sequencer.index,data);
2621		recompute_params();
2622		}
2623		else
2624		{
2625		switch(index)
2626		{
2627		case 0x0b:
2628		// TODO: old mode registers selected
2629		break;
2630		case 0x0d:
2631		svga.rgb15_en = data & 0x30; // TODO: doesn't match documentation
2632		break;
2633		}
2634		}
2635		}
2636
2637
2638		READ8_MEMBER(trident_vga_device::port_03c0_r)
2639		{
2640		UINT8 res;
2641
2642		switch(offset)
2643		{
2644		case 0x05:
2645		res = trident_seq_reg_read(vga.sequencer.index);
2646		break;
2647		default:
2648		res = vga_device::port_03c0_r(space,offset,mem_mask);
2649		break;
2650		}
2651
2652		return res;
2653		}
2654
2655		WRITE8_MEMBER(trident_vga_device::port_03c0_w)
2656		{
2657		switch(offset)
2658		{
2659		case 0x05:
2660		trident_seq_reg_write(vga.sequencer.index,data);
2661		break;
2662		default:
2663		vga_device::port_03c0_w(space,offset,data,mem_mask);
2664		break;
2665		}
2666		}
2667
2668
2669		READ8_MEMBER(trident_vga_device::port_03d0_r)
2670		{
2671		UINT8 res = 0xff;
2672
2673		if (CRTC_PORT_ADDR == 0x3d0)
2674		{
2675		switch(offset)
2676		{
2677		case 8:
2678		res = svga.bank_w & 0x1f; // TODO: a lot more complex than this
2679		break;
2680		default:
2681		res = vga_device::port_03d0_r(space,offset,mem_mask);
2682		break;
2683		}
2684		}
2685
2686		return res;
2687		}
2688
2689		WRITE8_MEMBER(trident_vga_device::port_03d0_w)
2690		{
2691		if (CRTC_PORT_ADDR == 0x3d0)
2692		{
2693		switch(offset)
2694		{
2695		case 8:
2696		svga.bank_w = data & 0x1f; // TODO: a lot more complex than this
2697		break;
2698		default:
2699		vga_device::port_03d0_w(space,offset,data,mem_mask);
2700		break;
2701		}
2702		}
2703		}
2704
2705		READ8_MEMBER(trident_vga_device::mem_r )
2706		{
2707		if (svga.rgb15_en & 0x30)
2708		{
2709		int data;
2710		if(offset & 0x10000)  // TODO: old reg mode actually CAN read to the upper bank
2711		return 0;
2712		data=vga.memory[offset + (svga.bank_w*0x10000)];
2713		return data;
2714		}
2715
2716		return vga_device::mem_r(space,offset,mem_mask);
2717		}
2718
2719		WRITE8_MEMBER(trident_vga_device::mem_w)
2720		{
2721		if (svga.rgb15_en & 0x30)
2722		{
2723		if(offset & 0x10000) // TODO: old reg mode actually CAN write to the upper bank
2724		return;
2725		vga.memory[offset + (svga.bank_w*0x10000)]= data;
2726		return;
2727		}
2728
2729		vga_device::mem_w(space,offset,data,mem_mask);
2730		}
2731
2732		/******************************************
2733
2734	2582	S3 implementation
2735	2583
2736	2584	******************************************/

trunk/src/emu/video/pc_vga.h

r31980	r31981
468	468	// device type definition
469	469	extern const device_type TSENG_VGA;
470	470
471		// ======================> trident_vga_device
472	471
473		class trident_vga_device :  public svga_device
474		{
475		public:
476		// construction/destruction
477		trident_vga_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
478
479		virtual READ8_MEMBER(port_03c0_r);
480		virtual WRITE8_MEMBER(port_03c0_w);
481		virtual READ8_MEMBER(port_03d0_r);
482		virtual WRITE8_MEMBER(port_03d0_w);
483		virtual READ8_MEMBER(mem_r);
484		virtual WRITE8_MEMBER(mem_w);
485
486		protected:
487
488		private:
489		UINT8 trident_seq_reg_read(UINT8 index);
490		void trident_seq_reg_write(UINT8 index, UINT8 data);
491
492		};
493
494
495		// device type definition
496		extern const device_type TRIDENT_VGA;
497
498
499	472	// ======================> ati_vga_device
500	473
501	474	class ati_vga_device :  public svga_device

trunk/src/emu/bus/isa/trident.h

r0	r31981
	1	/*
	2	* trident.h
	3	*
	4	*/
	5
	6	#ifndef TRIDENT_H_
	7	#define TRIDENT_H_
	8
	9	#include "video/pc_vga.h"
	10
	11	// ======================> trident_vga_device
	12
	13	class trident_vga_device :  public svga_device
	14	{
	15	public:
	16	// construction/destruction
	17	trident_vga_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
	18
	19	virtual READ8_MEMBER(port_03c0_r);
	20	virtual WRITE8_MEMBER(port_03c0_w);
	21	virtual READ8_MEMBER(port_03d0_r);
	22	virtual WRITE8_MEMBER(port_03d0_w);
	23	virtual READ8_MEMBER(mem_r);
	24	virtual WRITE8_MEMBER(mem_w);
	25
	26	protected:
	27
	28	private:
	29	UINT8 trident_seq_reg_read(UINT8 index);
	30	void trident_seq_reg_write(UINT8 index, UINT8 data);
	31
	32	};
	33
	34
	35	// device type definition
	36	extern const device_type TRIDENT_VGA;
	37
	38	#endif /* TRIDENT_H_ */

Property changes on: trunk/src/emu/bus/isa/trident.h

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trunk/src/emu/bus/isa/svga_trident.h

r31980	r31981
10	10	#include "emu.h"
11	11	#include "isa.h"
12	12	#include "video/pc_vga.h"
	13	#include "bus/isa/trident.h"
13	14
14	15	//**************************************************************************
15	16	//  TYPE DEFINITIONS

trunk/src/emu/bus/isa/trident.c

r0	r31981
	1	/*
	2	* trident.c
	3	*
	4	* Implementation of Trident VGA GUI accelerators
	5	*
	6	*
	7	*/
	8
	9	#include "emu.h"
	10	#include "trident.h"
	11
	12	const device_type TRIDENT_VGA = &device_creator<trident_vga_device>;
	13
	14	#define CRTC_PORT_ADDR ((vga.miscellaneous_output&1)?0x3d0:0x3b0)
	15
	16	trident_vga_device::trident_vga_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
	17	: svga_device(mconfig, TRIDENT_VGA, "Trident TGUI9680", tag, owner, clock, "trident_vga", __FILE__)
	18	{
	19	}
	20
	21	UINT8 trident_vga_device::trident_seq_reg_read(UINT8 index)
	22	{
	23	UINT8 res;
	24
	25	res = 0xff;
	26
	27	if(index <= 0x04)
	28	res = vga.sequencer.data[index];
	29	else
	30	{
	31	switch(index)
	32	{
	33	case 0x0b:
	34	res = svga.id;
	35	// TODO: new mode registers selected
	36	break;
	37	case 0x0d:
	38	res = svga.rgb15_en;
	39	break;
	40	}
	41	}
	42
	43	return res;
	44	}
	45
	46	void trident_vga_device::trident_seq_reg_write(UINT8 index, UINT8 data)
	47	{
	48	if(index <= 0x04)
	49	{
	50	vga.sequencer.data[vga.sequencer.index] = data;
	51	seq_reg_write(vga.sequencer.index,data);
	52	recompute_params();
	53	}
	54	else
	55	{
	56	switch(index)
	57	{
	58	case 0x0b:
	59	// TODO: old mode registers selected
	60	break;
	61	case 0x0d:
	62	svga.rgb15_en = data & 0x30; // TODO: doesn't match documentation
	63	break;
	64	}
	65	}
	66	}
	67
	68
	69	READ8_MEMBER(trident_vga_device::port_03c0_r)
	70	{
	71	UINT8 res;
	72
	73	switch(offset)
	74	{
	75	case 0x05:
	76	res = trident_seq_reg_read(vga.sequencer.index);
	77	break;
	78	default:
	79	res = vga_device::port_03c0_r(space,offset,mem_mask);
	80	break;
	81	}
	82
	83	return res;
	84	}
	85
	86	WRITE8_MEMBER(trident_vga_device::port_03c0_w)
	87	{
	88	switch(offset)
	89	{
	90	case 0x05:
	91	trident_seq_reg_write(vga.sequencer.index,data);
	92	break;
	93	default:
	94	vga_device::port_03c0_w(space,offset,data,mem_mask);
	95	break;
	96	}
	97	}
	98
	99
	100	READ8_MEMBER(trident_vga_device::port_03d0_r)
	101	{
	102	UINT8 res = 0xff;
	103
	104	if (CRTC_PORT_ADDR == 0x3d0)
	105	{
	106	switch(offset)
	107	{
	108	case 8:
	109	res = svga.bank_w & 0x1f; // TODO: a lot more complex than this
	110	break;
	111	default:
	112	res = vga_device::port_03d0_r(space,offset,mem_mask);
	113	break;
	114	}
	115	}
	116
	117	return res;
	118	}
	119
	120	WRITE8_MEMBER(trident_vga_device::port_03d0_w)
	121	{
	122	if (CRTC_PORT_ADDR == 0x3d0)
	123	{
	124	switch(offset)
	125	{
	126	case 8:
	127	svga.bank_w = data & 0x1f; // TODO: a lot more complex than this
	128	break;
	129	default:
	130	vga_device::port_03d0_w(space,offset,data,mem_mask);
	131	break;
	132	}
	133	}
	134	}
	135
	136	READ8_MEMBER(trident_vga_device::mem_r )
	137	{
	138	if (svga.rgb15_en & 0x30)
	139	{
	140	int data;
	141	if(offset & 0x10000)  // TODO: old reg mode actually CAN read to the upper bank
	142	return 0;
	143	data=vga.memory[offset + (svga.bank_w*0x10000)];
	144	return data;
	145	}
	146
	147	return vga_device::mem_r(space,offset,mem_mask);
	148	}
	149
	150	WRITE8_MEMBER(trident_vga_device::mem_w)
	151	{
	152	if (svga.rgb15_en & 0x30)
	153	{
	154	if(offset & 0x10000) // TODO: old reg mode actually CAN write to the upper bank
	155	return;
	156	vga.memory[offset + (svga.bank_w*0x10000)]= data;
	157	return;
	158	}
	159
	160	vga_device::mem_w(space,offset,data,mem_mask);
	161	}
	162

Property changes on: trunk/src/emu/bus/isa/trident.c

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trunk/src/emu/bus/bus.mak

r31980	r31981
418	418	BUSOBJS += $(BUSOBJ)/isa/3c505.o
419	419	BUSOBJS += $(BUSOBJ)/isa/aga.o
420	420	BUSOBJS += $(BUSOBJ)/isa/svga_trident.o
	421	BUSOBJS += $(BUSOBJ)/isa/trident.o
421	422	endif
422	423
423	424	#-------------------------------------------------

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