mirror of
https://github.com/holub/mame
synced 2025-07-06 18:39:28 +03:00
pgm.cpp: Use struct for sprites, Use raw parameters for screen (#6971)
* pgm.cpp: fix timing of intro sequences in some games. * pgm.cpp: Use generic gfx layout for foreground, Move VBlank IRQ into screen_vblank, Reduce duplicates, Add notes
This commit is contained in:
cam900
GitHub
parent
2201be3d47
commit
d0159e9f7b
@ -321,6 +321,13 @@ void pgm_state::pgm_base_mem(address_map &map)
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map(0x900000, 0x907fff).mirror(0x0f8000).rw(FUNC(pgm_state::videoram_r), FUNC(pgm_state::videoram_w)).share("videoram"); /* IGS023 VIDEO CHIP */
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map(0xa00000, 0xa011ff).ram().w(m_palette, FUNC(palette_device::write16)).share("palette");
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map(0xb00000, 0xb0ffff).ram().share("videoregs"); /* Video Regs inc. Zoom Table */
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//map(0xb01000, 0xb0103f) Zoom/Shrink table for sprites
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//map(0xb02000, 0xb02001) Background scroll Y
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//map(0xb03000, 0xb03001) Background scroll X
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//map(0xb04000, 0xb04001) Unknown #0
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//map(0xb05000, 0xb05001) Foreground scroll Y
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//map(0xb06000, 0xb06001) Foreground scroll X?
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//map(0xb0e000, 0xb0e001) Unknown #1
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map(0xc00003, 0xc00003).r(m_soundlatch, FUNC(generic_latch_8_device::read)).w(FUNC(pgm_state::m68k_l1_w));
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map(0xc00005, 0xc00005).rw("soundlatch2", FUNC(generic_latch_8_device::read), FUNC(generic_latch_8_device::write));
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@ -444,17 +451,6 @@ INPUT_PORTS_END
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Note that the bit indexes are reversed compared to usual gfx layouts
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(0-7 = LSB to MSB) */
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static const gfx_layout pgm8_charlayout =
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{
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8,8,
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RGN_FRAC(1,1),
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4,
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{ STEP4(3,-1) },
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{ STEP8(0,4) },
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{ STEP8(0,4*8) },
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8*32
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};
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static const gfx_layout pgm32_charlayout =
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{
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32,32,
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@ -467,8 +463,8 @@ static const gfx_layout pgm32_charlayout =
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};
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GFXDECODE_START( gfx_pgm )
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GFXDECODE_REVERSEBITS( "tiles", 0, pgm8_charlayout, 0x800, 32 ) /* 8x8x4 Tiles */
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GFXDECODE_REVERSEBITS( "tiles", 0, pgm32_charlayout, 0x400, 32 ) /* 32x32x5 Tiles */
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GFXDECODE_ENTRY( "tiles", 0, gfx_8x8x4_packed_lsb, 0x800, 32 ) /* 8x8x4 Tiles */
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GFXDECODE_REVERSEBITS( "tiles", 0, pgm32_charlayout, 0x400, 32 ) /* 32x32x5 Tiles */
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GFXDECODE_END
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/*** Machine Driver **********************************************************/
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@ -479,10 +475,11 @@ TIMER_DEVICE_CALLBACK_MEMBER(pgm_state::interrupt)
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{
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int scanline = param;
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// already being generated by m_maincpu->set_vblank_int("screen", FUNC(pgm_state::irq6_line_hold));
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// already being generated by screen.screen_vblank().set(FUNC(pgm_state::screen_vblank));;
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// if (scanline == 224)
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// m_maincpu->set_input_line(6, HOLD_LINE);
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// vblank end interrupt
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if (scanline == 0)
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if (!m_irq4_disabled) m_maincpu->set_input_line(4, HOLD_LINE);
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}
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@ -497,7 +494,6 @@ void pgm_state::pgmbase(machine_config &config)
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/* basic machine hardware */
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M68000(config, m_maincpu, 20_MHz_XTAL); /* 20 mhz! verified on real board */
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m_maincpu->set_addrmap(AS_PROGRAM, &pgm_state::pgm_basic_mem);
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m_maincpu->set_vblank_int("screen", FUNC(pgm_state::irq6_line_hold));
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TIMER(config, "scantimer").configure_scanline(FUNC(pgm_state::interrupt), "screen", 0, 1);
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Z80(config, m_soundcpu, 33.8688_MHz_XTAL/4);
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@ -510,10 +506,7 @@ void pgm_state::pgmbase(machine_config &config)
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/* video hardware */
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screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_RASTER));
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screen.set_refresh_hz(60); // killing blade won't boot (just displays 'error') if this is lower than 59.9 or higher than 60.1 .. are actual PGM boards different to the Cave one?
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screen.set_vblank_time(ATTOSECONDS_IN_USEC(0));
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screen.set_size(64*8, 64*8);
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screen.set_visarea(0*8, 56*8-1, 0*8, 28*8-1);
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screen.set_raw(50_MHz_XTAL/5, 640, 0, 448, 264, 0, 224); // or 20MHz / 2? framerate verified
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screen.set_screen_update(FUNC(pgm_state::screen_update));
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screen.screen_vblank().set(FUNC(pgm_state::screen_vblank));
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screen.set_palette(m_palette);
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@ -81,9 +81,20 @@ private:
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u16 * m_bg_videoram;
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u16 * m_tx_videoram;
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u16 * m_rowscrollram;
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std::unique_ptr<u16[]> m_spritebufferram; // buffered spriteram
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/* video-related */
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struct sprite_t
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{
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int x,y;
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bool xgrow, ygrow;
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u32 xzoom, yzoom;
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u32 color, offs;
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u32 width, height;
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u8 flip, pri;
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};
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std::unique_ptr<sprite_t[]> m_spritelist;
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struct sprite_t *m_sprite_ptr_pre;
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tilemap_t *m_bg_tilemap;
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tilemap_t *m_tx_tilemap;
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@ -128,7 +139,8 @@ private:
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void draw_sprite_new_zoomed(int wide, int high, int xpos, int ypos, int palt, int flip, bitmap_ind16 &bitmap, const rectangle &cliprect, bitmap_ind8 &priority_bitmap, u32 xzoom, bool xgrow, u32 yzoom, bool ygrow, int pri);
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void draw_sprite_line_basic(int wide, u16* dest, u8* destpri, const rectangle &cliprect, int flip, int xpos, int pri, int realxsize, int palt, bool draw);
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void draw_sprite_new_basic(int wide, int high, int xpos, int ypos, int palt, int flip, bitmap_ind16 &bitmap, const rectangle &cliprect, bitmap_ind8 &priority_bitmap, int pri);
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void draw_sprites(bitmap_ind16& spritebitmap, const rectangle &cliprect, u16 *sprite_source, bitmap_ind8& priority_bitmap);
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void draw_sprites(bitmap_ind16& spritebitmap, const rectangle &cliprect, bitmap_ind8& priority_bitmap);
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void get_sprites();
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void pgm_basic_mem(address_map &map);
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void pgm_z80_io(address_map &map);
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void pgm_z80_mem(address_map &map);
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@ -226,8 +226,6 @@ void pgm_arm_type1_state::pgm_arm_type1(machine_config &config) // ARM7 Shared m
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/* protection CPU */
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ARM7(config, m_prot, 20000000); // 55857E?
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m_prot->set_addrmap(AS_PROGRAM, &pgm_arm_type1_state::_55857E_arm7_map);
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// subdevice<screen_device>("screen")->set_refresh_hz(59.17); // Correct?
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}
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void pgm_arm_type1_state::pgm_arm_type1_sim(machine_config &config) // When simulated
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@ -245,8 +243,6 @@ void pgm_arm_type1_state::pgm_arm_type1_cave(machine_config &config)
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// pgm_arm_type1(config); // When ARM7 ROM is dumped and hooked up
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m_maincpu->set_addrmap(AS_PROGRAM, &pgm_arm_type1_state::cavepgm_mem);
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subdevice<screen_device>("screen")->set_refresh_hz(59.17); // verified on pcb
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}
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void pgm_arm_type1_state::arm7_type1_latch_init()
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@ -19,6 +19,9 @@
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// bg pri is 2
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// sprite already here is 1 / 3
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static inline bool get_flipy(u8 flip) { return BIT(flip, 1); }
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static inline bool get_flipx(u8 flip) { return BIT(flip, 0); }
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inline void pgm_state::pgm_draw_pix(int xdrawpos, int pri, u16* dest, u8* destpri, const rectangle &cliprect, u16 srcdat)
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{
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if ((xdrawpos >= cliprect.min_x) && (xdrawpos <= cliprect.max_x))
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@ -110,7 +113,7 @@ void pgm_state::draw_sprite_line(int wide, u16* dest, u8* destpri, const rectang
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if (xzoombit && xgrow)
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{ // double this column
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if (!(flip & 0x01))
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if (!get_flipx(flip))
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xdrawpos = xpos + xcntdraw;
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else
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xdrawpos = xpos + realxsize - xcntdraw;
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@ -119,7 +122,7 @@ void pgm_state::draw_sprite_line(int wide, u16* dest, u8* destpri, const rectang
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xcntdraw++;
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if (!(flip & 0x01))
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if (!get_flipx(flip))
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xdrawpos = xpos + xcntdraw;
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else
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xdrawpos = xpos + realxsize - xcntdraw;
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@ -134,7 +137,7 @@ void pgm_state::draw_sprite_line(int wide, u16* dest, u8* destpri, const rectang
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}
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else //normal column
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{
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if (!(flip & 0x01))
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if (!get_flipx(flip))
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xdrawpos = xpos + xcntdraw;
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else
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xdrawpos = xpos + realxsize - xcntdraw;
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@ -219,7 +222,7 @@ void pgm_state::draw_sprite_new_zoomed(int wide, int high, int xpos, int ypos, i
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const int temp_abit = m_abit;
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const int temp_boffset = m_boffset;
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if (!(flip & 0x02))
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if (!get_flipy(flip))
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ydrawpos = ypos + ycntdraw;
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else
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ydrawpos = ypos + realysize - ycntdraw;
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@ -242,7 +245,7 @@ void pgm_state::draw_sprite_new_zoomed(int wide, int high, int xpos, int ypos, i
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m_abit = temp_abit;
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m_boffset = temp_boffset;
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if (!(flip & 0x02))
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if (!get_flipy(flip))
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ydrawpos = ypos + ycntdraw;
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else
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ydrawpos = ypos + realysize - ycntdraw;
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@ -257,7 +260,7 @@ void pgm_state::draw_sprite_new_zoomed(int wide, int high, int xpos, int ypos, i
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{
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draw_sprite_line(wide, nullptr, nullptr, cliprect, xzoom, xgrow, flip, xpos, pri, realxsize, palt, false);
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if (!(flip & 0x02))
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if (!get_flipy(flip))
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{
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if (ydrawpos >= cliprect.max_y)
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return;
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@ -279,7 +282,7 @@ void pgm_state::draw_sprite_new_zoomed(int wide, int high, int xpos, int ypos, i
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}
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else /* normal line */
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{
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if (!(flip & 0x02))
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if (!get_flipy(flip))
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ydrawpos = ypos + ycntdraw;
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else
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ydrawpos = ypos + realysize - ycntdraw;
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@ -294,7 +297,7 @@ void pgm_state::draw_sprite_new_zoomed(int wide, int high, int xpos, int ypos, i
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{
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draw_sprite_line(wide, nullptr, nullptr, cliprect, xzoom, xgrow, flip, xpos, pri, realxsize, palt, false);
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if (!(flip & 0x02))
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if (!get_flipy(flip))
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{
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if (ydrawpos >= cliprect.max_y)
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return;
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@ -337,7 +340,7 @@ void pgm_state::draw_sprite_line_basic(int wide, u16* dest, u8* destpri, const r
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{
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xoffset++;
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if (!(flip & 0x01))
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if (!get_flipx(flip))
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xdrawpos = xpos + xcntdraw;
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else
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xdrawpos = xpos + realxsize - xcntdraw;
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@ -376,7 +379,7 @@ void pgm_state::draw_sprite_line_basic(int wide, u16* dest, u8* destpri, const r
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{
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xoffset++;
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if (!(flip & 0x01))
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if (!get_flipx(flip))
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xdrawpos = xpos + xcntdraw;
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else
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xdrawpos = xpos + realxsize - xcntdraw;
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@ -425,7 +428,7 @@ void pgm_state::draw_sprite_new_basic(int wide, int high, int xpos, int ypos, in
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while (ycnt < high)
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{
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if (!(flip & 0x02))
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if (!get_flipy(flip))
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ydrawpos = ypos + ycntdraw;
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else
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ydrawpos = ypos + realysize - ycntdraw;
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@ -440,7 +443,7 @@ void pgm_state::draw_sprite_new_basic(int wide, int high, int xpos, int ypos, in
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{
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draw_sprite_line_basic(wide, nullptr, nullptr, cliprect, flip, xpos, pri, realxsize, palt, false);
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if (!(flip & 0x02))
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if (!get_flipy(flip))
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{
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if (ydrawpos >= cliprect.max_y)
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return;
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@ -458,42 +461,85 @@ void pgm_state::draw_sprite_new_basic(int wide, int high, int xpos, int ypos, in
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}
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void pgm_state::draw_sprites(bitmap_ind16& spritebitmap, const rectangle &cliprect, u16 *sprite_source, bitmap_ind8& priority_bitmap)
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void pgm_state::draw_sprites(bitmap_ind16& spritebitmap, const rectangle &cliprect, bitmap_ind8& priority_bitmap)
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{
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/* ZZZZ Zxxx xxxx xxxx
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zzzz z-yy yyyy yyyy
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-ffp pppp Pvvv vvvv
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vvvv vvvv vvvv vvvv
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wwww wwwh hhhh hhhh
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*/
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struct sprite_t *sprite_ptr = m_sprite_ptr_pre;
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while (sprite_ptr != m_spritelist.get())
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{
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sprite_ptr--;
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const u16 *finish = m_spritebufferram.get() + (0xa00 / 2);
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m_boffset = sprite_ptr->offs;
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if ((!sprite_ptr->xzoom) && (!sprite_ptr->yzoom))
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{
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draw_sprite_new_basic(sprite_ptr->width, sprite_ptr->height,
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sprite_ptr->x, sprite_ptr->y,
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sprite_ptr->color, sprite_ptr->flip,
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spritebitmap, cliprect, priority_bitmap,
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sprite_ptr->pri);
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}
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else
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{
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draw_sprite_new_zoomed(sprite_ptr->width, sprite_ptr->height,
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sprite_ptr->x, sprite_ptr->y,
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sprite_ptr->color, sprite_ptr->flip,
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spritebitmap, cliprect, priority_bitmap,
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sprite_ptr->xzoom, sprite_ptr->xgrow, sprite_ptr->yzoom, sprite_ptr->ygrow, sprite_ptr->pri);
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}
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}
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}
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u16* start = sprite_source;
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/*
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Sprite list format (10 bytes per sprites, 256 entries)
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Offset Bits
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fedcba98 76543210
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00 x------- -------- Horizontal Zoom/Shrink mode select
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-xxxx--- -------- Horizontal Zoom/Shrink table select
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-----xxx xxxxxxxx X position (11 bit signed)
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02 x------- -------- Vertical Zoom/Shrink mode select
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-xxxx--- -------- Vertical Zoom/Shrink table select
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-----xxx xxxxxxxx Y position (10 bit signed)
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04 -x------ -------- Flip Y
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--x----- -------- Flip X
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---xxxxx -------- Palette select (32 color each)
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-------- x------- Priority (Over(0) or Under(1) background)
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-------- -xxxxxxx Sprite mask ROM address MSB
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06 xxxxxxxx xxxxxxxx Sprite mask ROM address LSB
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08 x------- -------- Another sprite width bit?
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-xxxxxx- -------- Sprite width (16 pixel each)
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-------x xxxxxxxx Sprite height (1 pixel each)
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*/
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void pgm_state::get_sprites()
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{
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m_sprite_ptr_pre = m_spritelist.get();
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u16 *sprite_source = &m_mainram[0];
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const u16 *finish = &m_mainram[0xa00 / 2];
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const u16* sprite_zoomtable = &m_videoregs[0x1000 / 2];
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while (sprite_source < finish)
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{
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if (!sprite_source[4]) break; /* is this right? */
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sprite_source += 5;
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}
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sprite_source -= 5;
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while (sprite_source >= start)
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{
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int xpos = sprite_source[0] & 0x07ff;
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int ypos = sprite_source[1] & 0x03ff;
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int xzom = (sprite_source[0] & 0x7800) >> 11;
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const bool xgrow = (sprite_source[0] & 0x8000) >> 15;
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int yzom = (sprite_source[1] & 0x7800) >> 11;
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const bool ygrow = (sprite_source[1] & 0x8000) >> 15;
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const int palt = (sprite_source[2] & 0x1f00) >> 8;
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const int flip = (sprite_source[2] & 0x6000) >> 13;
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int boff = ((sprite_source[2] & 0x007f) << 16) | (sprite_source[3] & 0xffff);
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const int wide = (sprite_source[4] & 0x7e00) >> 9;
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const int high = sprite_source[4] & 0x01ff;
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const int pri = (sprite_source[2] & 0x0080) >> 7;
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int xzom = (sprite_source[0] & 0x7800) >> 11;
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const bool xgrow = (sprite_source[0] & 0x8000) >> 15;
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m_sprite_ptr_pre->x = (sprite_source[0] & 0x03ff) - (sprite_source[0] & 0x0400);
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const u16* sprite_zoomtable = &m_videoregs[0x1000 / 2];
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int yzom = (sprite_source[1] & 0x7800) >> 11;
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const bool ygrow = (sprite_source[1] & 0x8000) >> 15;
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m_sprite_ptr_pre->y = (sprite_source[1] & 0x01ff) - (sprite_source[1] & 0x0200);
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m_sprite_ptr_pre->flip = (sprite_source[2] & 0x6000) >> 13;
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m_sprite_ptr_pre->color = (sprite_source[2] & 0x1f00) >> 8;
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m_sprite_ptr_pre->pri = (sprite_source[2] & 0x0080) >> 7;
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m_sprite_ptr_pre->offs = ((sprite_source[2] & 0x007f) << 16) | (sprite_source[3] & 0xffff);
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m_sprite_ptr_pre->width = (sprite_source[4] & 0x7e00) >> 9;
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m_sprite_ptr_pre->height = sprite_source[4] & 0x01ff;
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if (xgrow)
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{
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@ -507,19 +553,12 @@ void pgm_state::draw_sprites(bitmap_ind16& spritebitmap, const rectangle &clipre
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yzom = 0x10 - yzom;
|
||||
}
|
||||
|
||||
u32 xzoom = (sprite_zoomtable[xzom * 2] << 16) | sprite_zoomtable[xzom * 2 + 1];
|
||||
u32 yzoom = (sprite_zoomtable[yzom * 2] << 16) | sprite_zoomtable[yzom * 2 + 1];
|
||||
|
||||
if (xpos > 0x3ff) xpos -= 0x800;
|
||||
if (ypos > 0x1ff) ypos -= 0x400;
|
||||
|
||||
//if ((priority == 1) && (pri == 0)) break;
|
||||
|
||||
m_boffset = boff;
|
||||
if ((!xzoom) && (!yzoom)) draw_sprite_new_basic(wide, high, xpos, ypos, palt, flip, spritebitmap, cliprect, priority_bitmap, pri);
|
||||
else draw_sprite_new_zoomed(wide, high, xpos, ypos, palt, flip, spritebitmap, cliprect, priority_bitmap, xzoom, xgrow, yzoom, ygrow, pri);
|
||||
|
||||
sprite_source -= 5;
|
||||
m_sprite_ptr_pre->xzoom = (sprite_zoomtable[xzom * 2] << 16) | sprite_zoomtable[xzom * 2 + 1];
|
||||
m_sprite_ptr_pre->yzoom = (sprite_zoomtable[yzom * 2] << 16) | sprite_zoomtable[yzom * 2 + 1];
|
||||
m_sprite_ptr_pre->xgrow = xgrow;
|
||||
m_sprite_ptr_pre->ygrow = ygrow;
|
||||
m_sprite_ptr_pre++;
|
||||
sprite_source += 5;
|
||||
}
|
||||
}
|
||||
|
||||
@ -578,6 +617,9 @@ TILE_GET_INFO_MEMBER(pgm_state::get_bg_tile_info)
|
||||
|
||||
void pgm_state::video_start()
|
||||
{
|
||||
m_spritelist = std::make_unique<sprite_t[]>(0xa00/2/5);
|
||||
m_sprite_ptr_pre = m_spritelist.get();
|
||||
|
||||
m_aoffset = 0;
|
||||
m_abit = 0;
|
||||
m_boffset = 0;
|
||||
@ -588,10 +630,6 @@ void pgm_state::video_start()
|
||||
m_bg_tilemap = &machine().tilemap().create(*m_gfxdecode, tilemap_get_info_delegate(*this, FUNC(pgm_state::get_bg_tile_info)), TILEMAP_SCAN_ROWS, 32, 32, 64, 16);
|
||||
m_bg_tilemap->set_transparent_pen(31);
|
||||
m_bg_tilemap->set_scroll_rows(16 * 32);
|
||||
|
||||
m_spritebufferram = make_unique_clear<u16[]>(0xa00/2);
|
||||
|
||||
save_pointer(NAME(m_spritebufferram), 0xa00/2);
|
||||
}
|
||||
|
||||
u32 pgm_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
|
||||
@ -607,7 +645,7 @@ u32 pgm_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const
|
||||
|
||||
m_bg_tilemap->draw(screen, bitmap, cliprect, 0, 2);
|
||||
|
||||
draw_sprites(bitmap, cliprect, m_spritebufferram.get(), screen.priority());
|
||||
draw_sprites(bitmap, cliprect, screen.priority());
|
||||
|
||||
m_tx_tilemap->set_scrolly(0, m_videoregs[0x5000/2]);
|
||||
m_tx_tilemap->set_scrollx(0, m_videoregs[0x6000/2]); // Check
|
||||
@ -623,6 +661,9 @@ WRITE_LINE_MEMBER(pgm_state::screen_vblank)
|
||||
if (state)
|
||||
{
|
||||
/* first 0xa00 of main ram = sprites, seems to be buffered, DMA? */
|
||||
memcpy(m_spritebufferram.get(), m_mainram, 0xa00);
|
||||
get_sprites();
|
||||
|
||||
// vblank start interrupt
|
||||
m_maincpu->set_input_line(M68K_IRQ_6, HOLD_LINE);
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user