// license:LGPL-2.1+ // copyright-holders:David Haywood, Angelo Salese, Olivier Galibert, Mariusz Wojcieszek, R. Belmont #ifndef MAME_INCLUDES_SATURN_H #define MAME_INCLUDES_SATURN_H #pragma once #include "machine/timer.h" #include "cpu/m68000/m68000.h" #include "machine/sega_scu.h" #include "machine/smpc.h" #include "cpu/sh/sh2.h" #include "bus/generic/slot.h" #include "bus/generic/carts.h" #include "machine/315-5881_crypt.h" #include "machine/315-5838_317-0229_comp.h" #include "debug/debugcon.h" #include "debug/debugcmd.h" #include "debugger.h" #include "screen.h" class saturn_state : public driver_device { public: saturn_state(const machine_config &mconfig, device_type type, const char *tag) : driver_device(mconfig, type, tag), m_rom(*this, "bios", 0x20000), m_workram_l(*this, "workram_l"), m_workram_h(*this, "workram_h"), m_sound_ram(*this, "sound_ram"), m_fake_comms(*this, "fake"), m_maincpu(*this, "maincpu"), m_slave(*this, "slave"), m_audiocpu(*this, "audiocpu"), m_smpc_hle(*this, "smpc"), m_scu(*this, "scu"), m_gfxdecode(*this, "gfxdecode"), m_screen(*this, "screen"), m_palette(*this, "palette") { } required_region_ptr m_rom; required_shared_ptr m_workram_l; required_shared_ptr m_workram_h; required_shared_ptr m_sound_ram; optional_ioport m_fake_comms; memory_region *m_cart_reg[4]; std::unique_ptr m_backupram; // std::unique_ptr m_scu_regs; std::unique_ptr m_vdp2_regs; std::unique_ptr m_vdp2_vram; std::unique_ptr m_vdp2_cram; std::unique_ptr m_vdp1_vram; std::unique_ptr m_vdp1_regs; uint8_t m_en_68k; int m_minit_boost; int m_sinit_boost; attotime m_minit_boost_timeslice; attotime m_sinit_boost_timeslice; struct { uint16_t **framebuffer_display_lines; int framebuffer_mode; int framebuffer_double_interlace; int fbcr_accessed; int framebuffer_width; int framebuffer_height; int framebuffer_current_display; int framebuffer_current_draw; int framebuffer_clear_on_next_frame; rectangle system_cliprect; rectangle user_cliprect; std::unique_ptr framebuffer[2]; uint16_t **framebuffer_draw_lines; std::unique_ptr gfx_decode; uint16_t lopr; uint16_t copr; uint16_t ewdr; int local_x; int local_y; }m_vdp1; struct { std::unique_ptr gfx_decode; bitmap_rgb32 roz_bitmap[2]; uint8_t dotsel; uint8_t pal; uint8_t odd; uint16_t h_count; uint16_t v_count; uint8_t exltfg; uint8_t exsyfg; int old_crmd; int old_tvmd; }m_vdp2; required_device m_maincpu; required_device m_slave; required_device m_audiocpu; required_device m_smpc_hle; required_device m_scu; required_device m_gfxdecode; required_device m_screen; required_device m_palette; bitmap_rgb32 m_tmpbitmap; DECLARE_VIDEO_START(stv_vdp2); uint32_t screen_update_stv_vdp2(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); TIMER_DEVICE_CALLBACK_MEMBER(saturn_scanline); TIMER_DEVICE_CALLBACK_MEMBER(saturn_slave_scanline); TIMER_CALLBACK_MEMBER(vdp1_draw_end); DECLARE_WRITE16_MEMBER(saturn_soundram_w); DECLARE_READ16_MEMBER(saturn_soundram_r); DECLARE_WRITE32_MEMBER(minit_w); DECLARE_WRITE32_MEMBER(sinit_w); DECLARE_WRITE32_MEMBER(saturn_minit_w); DECLARE_WRITE32_MEMBER(saturn_sinit_w); DECLARE_READ8_MEMBER(saturn_backupram_r); DECLARE_WRITE8_MEMBER(saturn_backupram_w); DECLARE_WRITE8_MEMBER(scsp_irq); int m_scsp_last_line; DECLARE_READ16_MEMBER ( saturn_vdp1_regs_r ); DECLARE_READ32_MEMBER ( saturn_vdp1_vram_r ); DECLARE_READ32_MEMBER ( saturn_vdp1_framebuffer0_r ); DECLARE_WRITE16_MEMBER ( saturn_vdp1_regs_w ); DECLARE_WRITE32_MEMBER ( saturn_vdp1_vram_w ); DECLARE_WRITE32_MEMBER ( saturn_vdp1_framebuffer0_w ); DECLARE_READ32_MEMBER ( saturn_vdp2_vram_r ); DECLARE_READ32_MEMBER ( saturn_vdp2_cram_r ); DECLARE_READ16_MEMBER ( saturn_vdp2_regs_r ); DECLARE_WRITE32_MEMBER ( saturn_vdp2_vram_w ); DECLARE_WRITE32_MEMBER ( saturn_vdp2_cram_w ); DECLARE_WRITE16_MEMBER ( saturn_vdp2_regs_w ); /* VDP1 */ void stv_set_framebuffer_config( void ); void stv_prepare_framebuffers( void ); void stv_vdp1_change_framebuffers( void ); void video_update_vdp1( void ); void stv_vdp1_process_list( void ); void stv_vdp1_set_drawpixel( void ); void stv_vdp1_draw_normal_sprite(const rectangle &cliprect, int sprite_type); void stv_vdp1_draw_scaled_sprite(const rectangle &cliprect); void stv_vdp1_draw_distorted_sprite(const rectangle &cliprect); void stv_vdp1_draw_poly_line(const rectangle &cliprect); void stv_vdp1_draw_line(const rectangle &cliprect); int x2s(int v); int y2s(int v); void vdp1_fill_quad(const rectangle &cliprect, int patterndata, int xsize, const struct spoint *q); void vdp1_fill_line(const rectangle &cliprect, int patterndata, int xsize, int32_t y, int32_t x1, int32_t x2, int32_t u1, int32_t u2, int32_t v1, int32_t v2); void (saturn_state::*drawpixel)(int x, int y, int patterndata, int offsetcnt); void drawpixel_poly(int x, int y, int patterndata, int offsetcnt); void drawpixel_8bpp_trans(int x, int y, int patterndata, int offsetcnt); void drawpixel_4bpp_notrans(int x, int y, int patterndata, int offsetcnt); void drawpixel_4bpp_trans(int x, int y, int patterndata, int offsetcnt); void drawpixel_generic(int x, int y, int patterndata, int offsetcnt); void vdp1_fill_slope(const rectangle &cliprect, int patterndata, int xsize, int32_t x1, int32_t x2, int32_t sl1, int32_t sl2, int32_t *nx1, int32_t *nx2, int32_t u1, int32_t u2, int32_t slu1, int32_t slu2, int32_t *nu1, int32_t *nu2, int32_t v1, int32_t v2, int32_t slv1, int32_t slv2, int32_t *nv1, int32_t *nv2, int32_t _y1, int32_t y2); void stv_vdp1_setup_shading_for_line(int32_t y, int32_t x1, int32_t x2, int32_t r1, int32_t g1, int32_t b1, int32_t r2, int32_t g2, int32_t b2); void stv_vdp1_setup_shading_for_slope( int32_t x1, int32_t x2, int32_t sl1, int32_t sl2, int32_t *nx1, int32_t *nx2, int32_t r1, int32_t r2, int32_t slr1, int32_t slr2, int32_t *nr1, int32_t *nr2, int32_t g1, int32_t g2, int32_t slg1, int32_t slg2, int32_t *ng1, int32_t *ng2, int32_t b1, int32_t b2, int32_t slb1, int32_t slb2, int32_t *nb1, int32_t *nb2, int32_t _y1, int32_t y2); uint16_t stv_vdp1_apply_gouraud_shading( int x, int y, uint16_t pix ); void stv_vdp1_setup_shading(const struct spoint* q, const rectangle &cliprect); uint8_t stv_read_gouraud_table( void ); void stv_clear_gouraud_shading(void); void stv_clear_framebuffer( int which_framebuffer ); void stv_vdp1_state_save_postload( void ); int stv_vdp1_start ( void ); struct stv_vdp1_poly_scanline { int32_t x[2]; int32_t b[2]; int32_t g[2]; int32_t r[2]; int32_t db; int32_t dg; int32_t dr; }; struct stv_vdp1_poly_scanline_data { int32_t sy, ey; struct stv_vdp1_poly_scanline scanline[512]; }; std::unique_ptr stv_vdp1_shading_data; struct stv_vdp2_sprite_list { int CMDCTRL, CMDLINK, CMDPMOD, CMDCOLR, CMDSRCA, CMDSIZE, CMDGRDA; int CMDXA, CMDYA; int CMDXB, CMDYB; int CMDXC, CMDYC; int CMDXD, CMDYD; int ispoly; } stv2_current_sprite; /* Gouraud shading */ struct _stv_gouraud_shading { /* Gouraud shading table */ uint16_t GA; uint16_t GB; uint16_t GC; uint16_t GD; } stv_gouraud_shading; uint16_t m_sprite_colorbank; /* VDP1 Framebuffer handling */ int stv_sprite_priorities_used[8]; int stv_sprite_priorities_usage_valid; uint8_t stv_sprite_priorities_in_fb_line[512][8]; /* VDP2 */ uint8_t get_vblank( void ); uint8_t get_hblank( void ); int get_hcounter( void ); int get_vcounter( void ); int get_vblank_duration( void ); int get_hblank_duration( void ); int get_pixel_clock( void ); uint8_t get_odd_bit( void ); void stv_vdp2_dynamic_res_change( void ); int get_vblank_start_position( void ); int get_ystep_count( void ); void refresh_palette_data( void ); inline int stv_vdp2_window_process(int x,int y); void stv_vdp2_get_window0_coordinates(int *s_x, int *e_x, int *s_y, int *e_y, int y); void stv_vdp2_get_window1_coordinates(int *s_x, int *e_x, int *s_y, int *e_y, int y); int get_window_pixel(int s_x,int e_x,int s_y,int e_y,int x, int y,uint8_t win_num); int stv_vdp2_apply_window_on_layer(rectangle &cliprect); void stv_vdp2_draw_basic_tilemap(bitmap_rgb32 &bitmap, const rectangle &cliprect); void stv_vdp2_draw_basic_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect); void draw_4bpp_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect); void draw_8bpp_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect); void draw_11bpp_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect); void draw_rgb15_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect); void draw_rgb32_bitmap(bitmap_rgb32 &bitmap, const rectangle &cliprect); void stv_vdp2_drawgfxzoom(bitmap_rgb32 &dest_bmp,const rectangle &clip,gfx_element *gfx, uint32_t code,uint32_t color,int flipx,int flipy,int sx,int sy,int transparency,int transparent_color,int scalex, int scaley,int sprite_screen_width, int sprite_screen_height, int alpha); void stv_vdp2_drawgfxzoom_rgb555(bitmap_rgb32 &dest_bmp,const rectangle &clip,uint32_t code,uint32_t color,int flipx,int flipy,int sx,int sy,int transparency,int transparent_color,int scalex, int scaley,int sprite_screen_width, int sprite_screen_height, int alpha); void stv_vdp2_drawgfx_rgb555( bitmap_rgb32 &dest_bmp, const rectangle &clip, uint32_t code, int flipx, int flipy, int sx, int sy, int transparency, int alpha); void stv_vdp2_drawgfx_rgb888( bitmap_rgb32 &dest_bmp, const rectangle &clip, uint32_t code, int flipx, int flipy, int sx, int sy, int transparency, int alpha); void stv_vdp2_drawgfx_alpha(bitmap_rgb32 &dest_bmp,const rectangle &clip,gfx_element *gfx, uint32_t code,uint32_t color, int flipx,int flipy,int offsx,int offsy, int transparent_color, int alpha); void stv_vdp2_drawgfx_transpen(bitmap_rgb32 &dest_bmp,const rectangle &clip,gfx_element *gfx, uint32_t code,uint32_t color, int flipx,int flipy,int offsx,int offsy, int transparent_color); void stv_vdp2_draw_rotation_screen(bitmap_rgb32 &bitmap, const rectangle &cliprect, int iRP); void stv_vdp2_check_tilemap_with_linescroll(bitmap_rgb32 &bitmap, const rectangle &cliprect); void stv_vdp2_check_tilemap(bitmap_rgb32 &bitmap, const rectangle &cliprect); void stv_vdp2_copy_roz_bitmap(bitmap_rgb32 &bitmap, bitmap_rgb32 &roz_bitmap, const rectangle &cliprect, int iRP, int planesizex, int planesizey, int planerenderedsizex, int planerenderedsizey); inline bool stv_vdp2_roz_window(int x, int y); inline bool stv_vdp2_roz_mode3_window(int x, int y, int rot_parameter); inline int get_roz_window_pixel(int s_x,int e_x,int s_y,int e_y,int x, int y,uint8_t winenable,uint8_t winarea); void stv_vdp2_fill_rotation_parameter_table( uint8_t rot_parameter ); uint8_t stv_vdp2_check_vram_cycle_pattern_registers( uint8_t access_command_pnmdr, uint8_t access_command_cpdr, uint8_t bitmap_enable ); uint8_t stv_vdp2_is_rotation_applied(void); uint8_t stv_vdp2_are_map_registers_equal(void); void stv_vdp2_get_map_page( int x, int y, int *_map, int *_page ); void stv_vdp2_draw_mosaic(bitmap_rgb32 &bitmap, const rectangle &cliprect, uint8_t is_roz); void stv_vdp2_fade_effects( void ); void stv_vdp2_compute_color_offset( int *r, int *g, int *b, int cor ); void stv_vdp2_compute_color_offset_UINT32(rgb_t *rgb, int cor); void stv_vdp2_check_fade_control_for_layer( void ); void stv_vdp2_draw_line(bitmap_rgb32 &bitmap, const rectangle &cliprect); void stv_vdp2_draw_back(bitmap_rgb32 &bitmap, const rectangle &cliprect); void stv_vdp2_draw_NBG0(bitmap_rgb32 &bitmap, const rectangle &cliprect); void stv_vdp2_draw_NBG1(bitmap_rgb32 &bitmap, const rectangle &cliprect); void stv_vdp2_draw_NBG2(bitmap_rgb32 &bitmap, const rectangle &cliprect); void stv_vdp2_draw_NBG3(bitmap_rgb32 &bitmap, const rectangle &cliprect); void stv_vdp2_draw_RBG0(bitmap_rgb32 &bitmap, const rectangle &cliprect); void draw_sprites(bitmap_rgb32 &bitmap, const rectangle &cliprect, uint8_t pri); int true_vcount[263][4]; void stv_vdp2_state_save_postload( void ); void stv_vdp2_exit ( void ); int stv_vdp2_start ( void ); uint8_t m_vdpdebug_roz; struct stv_vdp2_tilemap_capabilities { uint8_t enabled; uint8_t transparency; uint8_t colour_calculation_enabled; uint8_t colour_depth; uint8_t alpha; uint8_t tile_size; uint8_t bitmap_enable; uint8_t bitmap_size; uint8_t bitmap_palette_number; uint8_t bitmap_map; uint16_t map_offset[16]; uint8_t map_count; uint8_t pattern_data_size; uint8_t character_number_supplement; uint8_t special_priority_register; uint8_t special_colour_control_register; uint8_t supplementary_palette_bits; uint8_t supplementary_character_bits; int16_t scrollx; int16_t scrolly; uint32_t incx, incy; uint8_t linescroll_enable; uint8_t linescroll_interval; uint32_t linescroll_table_address; uint8_t vertical_linescroll_enable; uint8_t vertical_cell_scroll_enable; uint8_t linezoom_enable; uint8_t plane_size; uint8_t colour_ram_address_offset; uint8_t fade_control; struct{ uint8_t logic; uint8_t enabled[2]; uint8_t area[2]; }window_control; uint8_t line_screen_enabled; uint8_t mosaic_screen_enabled; bool roz_mode3; int layer_name; /* just to keep track */ } stv2_current_tilemap; struct rotation_table { int32_t xst; int32_t yst; int32_t zst; int32_t dxst; int32_t dyst; int32_t dx; int32_t dy; int32_t A; int32_t B; int32_t C; int32_t D; int32_t E; int32_t F; int32_t px; int32_t py; int32_t pz; int32_t cx; int32_t cy; int32_t cz; int32_t mx; int32_t my; int32_t kx; int32_t ky; uint32_t kast; int32_t dkast; int32_t dkax; } stv_current_rotation_parameter_table; struct _stv_vdp2_layer_data_placement { uint32_t map_offset_min; uint32_t map_offset_max; uint32_t tile_offset_min; uint32_t tile_offset_max; } stv_vdp2_layer_data_placement; struct _stv_rbg_cache_data { uint8_t watch_vdp2_vram_writes; uint8_t is_cache_dirty; uint32_t map_offset_min[2]; uint32_t map_offset_max[2]; uint32_t tile_offset_min[2]; uint32_t tile_offset_max[2]; struct stv_vdp2_tilemap_capabilities layer_data[2]; } stv_rbg_cache_data; DECLARE_WRITE_LINE_MEMBER(m68k_reset_callback); // DECLARE_WRITE_LINE_MEMBER(scudsp_end_w); // DECLARE_READ16_MEMBER(scudsp_dma_r); // DECLARE_WRITE16_MEMBER(scudsp_dma_w); // SMPC HLE delegates DECLARE_WRITE_LINE_MEMBER(master_sh2_reset_w); DECLARE_WRITE_LINE_MEMBER(master_sh2_nmi_w); DECLARE_WRITE_LINE_MEMBER(slave_sh2_reset_w); DECLARE_WRITE_LINE_MEMBER(sound_68k_reset_w); DECLARE_WRITE_LINE_MEMBER(system_reset_w); DECLARE_WRITE_LINE_MEMBER(system_halt_w); DECLARE_WRITE_LINE_MEMBER(dot_select_w); // void debug_scudma_command(int ref, const std::vector ¶ms); // void debug_scuirq_command(int ref, const std::vector ¶ms); // void debug_help_command(int ref, const std::vector ¶ms); // void debug_commands(int ref, const std::vector ¶ms); }; // These two clocks are synthesized by the 315-5746 #define MASTER_CLOCK_352 XTAL(14'318'181)*4 #define MASTER_CLOCK_320 XTAL(14'318'181)*3.75 #define CEF_1 m_vdp1_regs[0x010/2]|=0x0002 #define CEF_0 m_vdp1_regs[0x010/2]&=~0x0002 #define BEF_1 m_vdp1_regs[0x010/2]|=0x0001 #define BEF_0 m_vdp1_regs[0x010/2]&=~0x0001 #define STV_VDP1_TVMR ((m_vdp1_regs[0x000/2])&0xffff) #define STV_VDP1_VBE ((STV_VDP1_TVMR & 0x0008) >> 3) #define STV_VDP1_TVM ((STV_VDP1_TVMR & 0x0007) >> 0) extern gfx_decode_entry const gfx_stv[]; #endif // MAME_INCLUDES_SATURN_H