summaryrefslogtreecommitdiffstatshomepage
path: root/src/devices/machine/generalplus_gpl16250soc_video.h
blob: d985ee06dd045bff78a80051f8a979bb326d8e67 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
// license:BSD-3-Clause
// copyright-holders:Ryan Holtz, David Haywood
/*****************************************************************************

    SunPlus GCM394-series SoC peripheral emulation (Video)

**********************************************************************/

#ifndef MAME_MACHINE_GENERALPLUS_GPL16250SOC_VIDEO_H
#define MAME_MACHINE_GENERALPLUS_GPL16250SOC_VIDEO_H

#pragma once

#include "spg_renderer.h"
#include "cpu/unsp/unsp.h"
#include "screen.h"
#include "emupal.h"

class gcm394_base_video_device : public device_t, public device_video_interface
{
public:
	gcm394_base_video_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);

	uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect);
	DECLARE_WRITE_LINE_MEMBER(vblank);

	auto space_read_callback() { return m_space_read_cb.bind(); }

	void write_tmap_scroll(int tmap, uint16_t* regs, int offset, uint16_t data);
	void write_tmap_extrascroll(int tmap, uint16_t* regs, int offset, uint16_t data);

	void write_tmap_regs(int tmap, uint16_t* regs, int offset, uint16_t data);

	//void set_paldisplaybank_high(int pal_displaybank_high) { m_pal_displaybank_high = pal_displaybank_high; }
	void set_alt_tile_addressing(int alt_tile_addressing) { m_alt_tile_addressing = alt_tile_addressing; }
	void set_alt_extrasprite(int alt_extrasprite_hack) { m_alt_extrasprite_hack = alt_extrasprite_hack; }


	void set_video_spaces(address_space& cpuspace, address_space& cs_space, int csbase) { m_cpuspace = &cpuspace; m_cs_space = &cs_space; m_csbase = csbase; }

	//void set_pal_sprites(int pal_sprites) { m_pal_sprites = pal_sprites; }
	//void set_pal_back(int pal_back) { m_pal_back = pal_back; }

	uint16_t tmap0_regs_r(offs_t offset);
	void tmap0_regs_w(offs_t offset, uint16_t data);
	uint16_t tmap0_tilebase_lsb_r();
	uint16_t tmap0_tilebase_msb_r();
	void tmap0_tilebase_lsb_w(uint16_t data);
	void tmap0_tilebase_msb_w(uint16_t data);

	uint16_t tmap1_regs_r(offs_t offset);
	void tmap1_regs_w(offs_t offset, uint16_t data);
	uint16_t tmap1_tilebase_lsb_r();
	uint16_t tmap1_tilebase_msb_r();
	void tmap1_tilebase_lsb_w(uint16_t data);
	void tmap1_tilebase_msb_w(uint16_t data);

	uint16_t tmap2_regs_r(offs_t offset);
	void tmap2_regs_w(offs_t offset, uint16_t data);
	uint16_t tmap2_tilebase_lsb_r();
	uint16_t tmap2_tilebase_msb_r();
	void tmap2_tilebase_lsb_w(uint16_t data);
	void tmap2_tilebase_msb_w(uint16_t data);

	uint16_t tmap3_regs_r(offs_t offset);
	void tmap3_regs_w(offs_t offset, uint16_t data);
	uint16_t tmap3_tilebase_lsb_r();
	uint16_t tmap3_tilebase_msb_r();
	void tmap3_tilebase_lsb_w(uint16_t data);
	void tmap3_tilebase_msb_w(uint16_t data);

	void video_701c_w(uint16_t data);
	void video_701d_w(uint16_t data);
	void video_701e_w(uint16_t data);

	uint16_t sprite_7022_gfxbase_lsb_r();
	uint16_t sprite_702d_gfxbase_msb_r();

	void sprite_7022_gfxbase_lsb_w(uint16_t data);
	void sprite_702d_gfxbase_msb_w(uint16_t data);
	uint16_t sprite_7042_extra_r();
	void sprite_7042_extra_w(uint16_t data);

	void video_dma_source_w(uint16_t data);
	void video_dma_dest_w(uint16_t data);
	uint16_t video_dma_size_busy_r();
	void video_dma_size_trigger_w(address_space &space, uint16_t data);
	void video_707e_spritebank_w(uint16_t data);

	uint16_t video_703a_palettebank_r();
	void video_703a_palettebank_w(uint16_t data);

	void update_raster_split_position();
	void split_irq_xpos_w(uint16_t data);
	void split_irq_ypos_w(uint16_t data);

	uint16_t videoirq_source_enable_r();
	void videoirq_source_enable_w(uint16_t data);

	uint16_t video_7063_videoirq_source_r();
	void video_7063_videoirq_source_ack_w(uint16_t data);

	void video_702a_w(uint16_t data);
	uint16_t video_7030_brightness_r();
	void video_7030_brightness_w(uint16_t data);
	uint16_t video_curline_r();

	uint16_t video_703c_tvcontrol1_r();
	void video_703c_tvcontrol1_w(uint16_t data);

	uint16_t video_707c_r();

	uint16_t video_707f_r();
	void video_707f_w(uint16_t data);

	void video_7080_w(uint16_t data);
	void video_7081_w(uint16_t data);
	void video_7082_w(uint16_t data);
	void video_7083_w(uint16_t data);
	void video_7084_w(uint16_t data);
	void video_7085_w(uint16_t data);
	void video_7086_w(uint16_t data);
	void video_7087_w(uint16_t data);
	void video_7088_w(uint16_t data);

	uint16_t video_7083_r();

	uint16_t palette_r(offs_t offset);
	void palette_w(offs_t offset, uint16_t data);

	void spriteram_w(offs_t offset, uint16_t data);
	uint16_t spriteram_r(offs_t offset);

	uint16_t video_7051_r();
	uint16_t video_70e0_r();

	auto write_video_irq_callback() { return m_video_irq_cb.bind(); };

	virtual void device_add_mconfig(machine_config& config) override;

protected:

	static const device_timer_id TIMER_SCREENPOS = 2;
	virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;

	inline void check_video_irq();


	virtual void device_start() override;
	virtual void device_reset() override;

	required_device<unsp_device> m_cpu;
	required_device<screen_device> m_screen;

	uint16_t m_page0_addr_lsb;
	uint16_t m_page0_addr_msb;

	uint16_t m_page1_addr_lsb;
	uint16_t m_page1_addr_msb;

	uint16_t m_707e_spritebank;
	uint16_t m_videodma_size;
	uint16_t m_videodma_dest;
	uint16_t m_videodma_source;

	devcb_write_line m_video_irq_cb;


	// video 70xx
	uint16_t m_tmap0_regs[0x4];
	uint16_t m_tmap1_regs[0x4];

	uint16_t m_tmap2_regs[0x4];
	uint16_t m_tmap3_regs[0x4];


	uint16_t m_tmap0_scroll[0x2];
	uint16_t m_tmap1_scroll[0x2];

	uint16_t m_tmap2_scroll[0x4];
	uint16_t m_tmap3_scroll[0x4];


	uint16_t m_707f;
	uint16_t m_703a_palettebank;
	uint16_t m_video_irq_enable;
	uint16_t m_video_irq_status;

	uint16_t m_702a;
	uint16_t m_7030_brightness;
	uint16_t m_xirqpos;
	uint16_t m_yirqpos;
	uint16_t m_703c_tvcontrol1;

	uint16_t m_7042_sprite;

	uint16_t m_7080;
	uint16_t m_7081;
	uint16_t m_7082;
	uint16_t m_7083;
	uint16_t m_7084;
	uint16_t m_7085;
	uint16_t m_7086;
	uint16_t m_7087;
	uint16_t m_7088;

	uint16_t m_sprite_7022_gfxbase_lsb;
	uint16_t m_sprite_702d_gfxbase_msb;
	uint16_t m_page2_addr_lsb;
	uint16_t m_page2_addr_msb;
	uint16_t m_page3_addr_lsb;
	uint16_t m_page3_addr_msb;

	void unk_vid_regs_w(int which, int offset, uint16_t data);

	emu_timer *m_screenpos_timer;

	uint16_t m_spriteram[0x400*2];
	uint16_t m_paletteram[0x100*0x10];

	required_device<palette_device> m_palette;
	required_device<gfxdecode_device> m_gfxdecode;
	devcb_read16 m_space_read_cb;

	required_shared_ptr<uint16_t> m_rowscroll;
	required_shared_ptr<uint16_t> m_rowzoom;

	int m_maxgfxelement;
	void decodegfx(const char* tag);

	//int m_pal_displaybank_high;
	//int m_pal_sprites;
	//int m_pal_back;
	int m_alt_extrasprite_hack;
	int m_alt_tile_addressing;

	required_device<spg_renderer_device> m_renderer;

	address_space* m_cpuspace;
	address_space* m_cs_space;
	int m_csbase;
};

class gcm394_video_device : public gcm394_base_video_device
{
public:
	template <typename T, typename U>
	gcm394_video_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, T &&cpu_tag, U &&screen_tag)
		: gcm394_video_device(mconfig, tag, owner, clock)
	{
		m_cpu.set_tag(std::forward<T>(cpu_tag));
		m_screen.set_tag(std::forward<U>(screen_tag));
	}

	gcm394_video_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
};

DECLARE_DEVICE_TYPE(GCM394_VIDEO, gcm394_video_device)

#endif // MAME_MACHINE_GENERALPLUS_GPL16250SOC_VIDEO_H