summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/includes/itech32.h
blob: 303887fcdd90e3dab7e380f4270ed4906ae7f8f2 (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
// license:BSD-3-Clause
// copyright-holders:Aaron Giles, Brian Troha
/*************************************************************************

    Incredible Technologies/Strata system
    (8-bit blitter variant)

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

#include "machine/nvram.h"

#define VIDEO_CLOCK     XTAL_8MHz           /* video (pixel) clock */
#define CPU_CLOCK       XTAL_12MHz          /* clock for 68000-based systems */
#define CPU020_CLOCK    XTAL_25MHz          /* clock for 68EC020-based systems */
#define SOUND_CLOCK     XTAL_16MHz          /* clock for sound board */
#define TMS_CLOCK       XTAL_40MHz          /* TMS320C31 clocks on drivedge */


class itech32_state : public driver_device
{
public:
	itech32_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
		m_main_ram(*this, "main_ram", 0),
		m_nvram(*this, "nvram", 0),
		m_video(*this, "video", 0),
		m_main_rom(*this, "main_rom", 0),
		m_drivedge_zbuf_control(*this, "drivedge_zctl"),
		m_tms1_boot(*this, "tms1_boot"),
		m_tms1_ram(*this, "tms1_ram"),
		m_tms2_ram(*this, "tms2_ram"),
		m_maincpu(*this, "maincpu"),
		m_soundcpu(*this, "soundcpu"),
		m_dsp1(*this, "dsp1"),
		m_dsp2(*this, "dsp2"),
		m_screen(*this, "screen"),
		m_palette(*this, "palette") { }

	optional_shared_ptr<UINT16> m_main_ram;
	optional_shared_ptr<UINT16> m_nvram;
	optional_shared_ptr<UINT16> m_video;
	optional_shared_ptr<UINT16> m_main_rom;
	optional_shared_ptr<UINT32> m_drivedge_zbuf_control;
	optional_shared_ptr<UINT32> m_tms1_boot;
	optional_shared_ptr<UINT32> m_tms1_ram;
	optional_shared_ptr<UINT32> m_tms2_ram;

	void nvram_init(nvram_device &nvram, void *base, size_t length);

	std::unique_ptr<UINT16[]> m_videoram;
	UINT8 m_vint_state;
	UINT8 m_xint_state;
	UINT8 m_qint_state;
	UINT8 m_sound_data;
	UINT8 m_sound_return;
	UINT8 m_sound_int_state;
	offs_t m_itech020_prot_address;
	UINT8 m_tms_spinning[2];
	int m_special_result;
	int m_p1_effx;
	int m_p1_effy;
	int m_p1_lastresult;
	attotime m_p1_lasttime;
	int m_p2_effx;
	int m_p2_effy;
	int m_p2_lastresult;
	attotime m_p2_lasttime;
	UINT8 m_written[0x8000];
	int m_is_drivedge;
	UINT8 m_planes;
	UINT16 m_vram_height;
	UINT16 m_xfer_xcount;
	UINT16 m_xfer_ycount;
	UINT16 m_xfer_xcur;
	UINT16 m_xfer_ycur;
	rectangle m_clip_rect;
	rectangle m_scaled_clip_rect;
	rectangle m_clip_save;
	emu_timer *m_scanline_timer;
	UINT8 *m_grom_base;
	UINT32 m_grom_size;
	UINT32 m_grom_bank;
	UINT32 m_grom_bank_mask;
	UINT16 m_color_latch[2];
	UINT8 m_enable_latch[2];
	UINT16 *m_videoplane[2];
	UINT32 m_vram_mask;
	UINT32 m_vram_xmask;
	UINT32 m_vram_ymask;
	DECLARE_WRITE16_MEMBER(int1_ack_w);
	DECLARE_READ16_MEMBER(trackball_r);
	DECLARE_READ16_MEMBER(trackball_p2_r);
	DECLARE_READ32_MEMBER(trackball32_8bit_r);
	DECLARE_READ32_MEMBER(trackball32_4bit_p1_r);
	DECLARE_READ32_MEMBER(trackball32_4bit_p2_r);
	DECLARE_READ32_MEMBER(trackball32_4bit_combined_r);
	DECLARE_READ32_MEMBER(drivedge_steering_r);
	DECLARE_READ32_MEMBER(drivedge_gas_r);
	DECLARE_READ16_MEMBER(wcbowl_prot_result_r);
	DECLARE_READ32_MEMBER(itech020_prot_result_r);
	DECLARE_READ32_MEMBER(gt2kp_prot_result_r);
	DECLARE_READ32_MEMBER(gtclass_prot_result_r);
	DECLARE_WRITE8_MEMBER(sound_bank_w);
	DECLARE_WRITE16_MEMBER(sound_data_w);
	DECLARE_READ32_MEMBER(sound_data32_r);
	DECLARE_WRITE32_MEMBER(sound_data32_w);
	DECLARE_READ8_MEMBER(sound_data_r);
	DECLARE_WRITE8_MEMBER(sound_return_w);
	DECLARE_READ8_MEMBER(sound_data_buffer_r);
	DECLARE_WRITE8_MEMBER(firq_clear_w);
	DECLARE_WRITE32_MEMBER(tms_reset_assert_w);
	DECLARE_WRITE32_MEMBER(tms_reset_clear_w);
	DECLARE_WRITE32_MEMBER(tms1_68k_ram_w);
	DECLARE_WRITE32_MEMBER(tms2_68k_ram_w);
	DECLARE_WRITE32_MEMBER(tms1_trigger_w);
	DECLARE_WRITE32_MEMBER(tms2_trigger_w);
	DECLARE_READ32_MEMBER(drivedge_tms1_speedup_r);
	DECLARE_READ32_MEMBER(drivedge_tms2_speedup_r);
	DECLARE_WRITE32_MEMBER(int1_ack32_w);
	DECLARE_READ32_MEMBER(test1_r);
	DECLARE_WRITE32_MEMBER(test1_w);
	DECLARE_READ32_MEMBER(test2_r);
	DECLARE_WRITE32_MEMBER(test2_w);
	DECLARE_WRITE16_MEMBER(timekill_colora_w);
	DECLARE_WRITE16_MEMBER(timekill_colorbc_w);
	DECLARE_WRITE16_MEMBER(timekill_intensity_w);
	DECLARE_WRITE16_MEMBER(bloodstm_color1_w);
	DECLARE_WRITE16_MEMBER(bloodstm_color2_w);
	DECLARE_WRITE16_MEMBER(bloodstm_plane_w);
	DECLARE_WRITE32_MEMBER(drivedge_color0_w);
	DECLARE_WRITE32_MEMBER(itech020_color1_w);
	DECLARE_WRITE32_MEMBER(itech020_color2_w);
	DECLARE_WRITE32_MEMBER(itech020_plane_w);
	DECLARE_WRITE16_MEMBER(bloodstm_paletteram_w);
	DECLARE_WRITE16_MEMBER(itech32_video_w);
	DECLARE_READ16_MEMBER(itech32_video_r);
	DECLARE_WRITE16_MEMBER(bloodstm_video_w);
	DECLARE_READ16_MEMBER(bloodstm_video_r);
	DECLARE_WRITE32_MEMBER(itech020_video_w);
	DECLARE_WRITE32_MEMBER(drivedge_zbuf_control_w);
	DECLARE_READ32_MEMBER(itech020_video_r);
	DECLARE_CUSTOM_INPUT_MEMBER(special_port_r);
	DECLARE_WRITE8_MEMBER(drivedge_portb_out);
	DECLARE_WRITE_LINE_MEMBER(drivedge_turbo_light);
	DECLARE_WRITE8_MEMBER(pia_portb_out);
	DECLARE_DRIVER_INIT(gtclasscp);
	DECLARE_DRIVER_INIT(shufshot);
	DECLARE_DRIVER_INIT(wcbowlt);
	DECLARE_DRIVER_INIT(hardyard);
	DECLARE_DRIVER_INIT(s_ver);
	DECLARE_DRIVER_INIT(sftm110);
	DECLARE_DRIVER_INIT(wcbowln);
	DECLARE_DRIVER_INIT(gt2kp);
	DECLARE_DRIVER_INIT(sftm);
	DECLARE_DRIVER_INIT(drivedge);
	DECLARE_DRIVER_INIT(wcbowl);
	DECLARE_DRIVER_INIT(wcbowlj);
	DECLARE_DRIVER_INIT(aamat);
	DECLARE_DRIVER_INIT(bloodstm);
	DECLARE_DRIVER_INIT(aama);
	DECLARE_DRIVER_INIT(timekill);
	DECLARE_DRIVER_INIT(gt3d);
	DECLARE_DRIVER_INIT(gt3dl);
	virtual void machine_reset() override;
	virtual void video_start() override;
	DECLARE_MACHINE_RESET(drivedge);
	UINT32 screen_update_itech32(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
	INTERRUPT_GEN_MEMBER(generate_int1);
	TIMER_CALLBACK_MEMBER(delayed_sound_data_w);
	TIMER_CALLBACK_MEMBER(scanline_interrupt);
	inline offs_t compute_safe_address(int x, int y);
	inline void disable_clipping();
	inline void enable_clipping();
	void logblit(const char *tag);
	void update_interrupts(int fast);
	void draw_raw(UINT16 *base, UINT16 color);
	void draw_raw_drivedge(UINT16 *base, UINT16 *zbase, UINT16 color);
	inline void draw_rle_fast(UINT16 *base, UINT16 color);
	inline void draw_rle_fast_xflip(UINT16 *base, UINT16 color);
	inline void draw_rle_slow(UINT16 *base, UINT16 color);
	void draw_rle(UINT16 *base, UINT16 color);
	void shiftreg_clear(UINT16 *base, UINT16 *zbase);
	void handle_video_command();
	inline int determine_irq_state(int vint, int xint, int qint);
	void itech32_update_interrupts(int vint, int xint, int qint);
	void init_program_rom();
	void init_sftm_common(int prot_addr);
	void init_shuffle_bowl_common(int prot_addr);
	void install_timekeeper();
	void init_gt_common();
	required_device<cpu_device> m_maincpu;
	required_device<cpu_device> m_soundcpu;
	optional_device<cpu_device> m_dsp1;
	optional_device<cpu_device> m_dsp2;
	required_device<screen_device> m_screen;
	required_device<palette_device> m_palette;
};