// 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 m_main_ram; optional_shared_ptr m_nvram; optional_shared_ptr m_video; optional_shared_ptr m_main_rom; optional_shared_ptr m_drivedge_zbuf_control; optional_shared_ptr m_tms1_boot; optional_shared_ptr m_tms1_ram; optional_shared_ptr m_tms2_ram; void nvram_init(nvram_device &nvram, void *base, size_t length); std::unique_ptr 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_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 m_maincpu; required_device m_soundcpu; optional_device m_dsp1; optional_device m_dsp2; required_device m_screen; required_device m_palette; };