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my1stddr / trkfldch progress (nw) (#5110)
* my1stddr - 8x8 decode (nw) * make trkfldch show stuff (nw) * misplace (nw)
This commit is contained in:
David Haywood
R. Belmont
parent
4564f3b599
commit
d647c54046
@ -40,7 +40,8 @@ public:
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m_maincpu(*this, "maincpu"),
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m_screen(*this, "screen"),
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m_gfxdecode(*this, "gfxdecode"),
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m_mainram(*this, "mainram")
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m_mainram(*this, "mainram"),
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m_palette(*this, "palette")
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{ }
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void trkfldch(machine_config &config);
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@ -57,6 +58,7 @@ private:
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required_device<screen_device> m_screen;
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required_device<gfxdecode_device> m_gfxdecode;
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required_shared_ptr<uint8_t> m_mainram;
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required_device<palette_device> m_palette;
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uint32_t screen_update_trkfldch(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
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void trkfldch_map(address_map &map);
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@ -89,48 +91,73 @@ uint32_t trkfldch_state::screen_update_trkfldch(screen_device &screen, bitmap_in
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// at 0xe9c (actually 0x0d0c when fully populated) in trkfldch
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// 7861 / 7860 point here most of the time in both games (so maybe DMA source, or just uses a direct pointer)
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//for (int i = 0x0d0c+0x100*5; i >= 0x0d0c; i -= 5)
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for (int i = 0x1189+0x100*5; i >= 0x1189; i -= 5)
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int spritelistbase = (m_unkregs[0x61] << 8) | (m_unkregs[0x60] << 0);
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int spritelistend = spritelistbase+0x100*5;
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spritelistbase &= 0x3fff;
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spritelistend &= 0x3fff;
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gfx_element* gfx;
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if (spritelistend >= spritelistbase)
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{
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// printf("entry %02x %02x %02x %02x %02x\n", m_mainram[i + 0], m_mainram[i + 1], m_mainram[i + 2], m_mainram[i + 3], m_mainram[i + 4]);
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// int tilegfxbase = 0x1f80; // select mode
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// int tilegfxbase = 0x2780; // 2nd demo (+0x800 from above)
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// int tilegfxbase = 0x3780; // 1st demo and 'letters' minigame (+0x1000 from above)
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int tilegfxbase = (m_unkregs[0x15] * 0x800) - 0x80;
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for (int i = spritelistend; i >= spritelistbase; i -= 5)
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{
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// printf("entry %02x %02x %02x %02x %02x\n", m_mainram[i + 0], m_mainram[i + 1], m_mainram[i + 2], m_mainram[i + 3], m_mainram[i + 4]);
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// int tilegfxbase = 0x1f80; // select mode
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// int tilegfxbase = 0x2780; // 2nd demo (+0x800 from above)
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// int tilegfxbase = 0x3780; // 1st demo and 'letters' minigame (+0x1000 from above)
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int tilegfxbase = (m_unkregs[0x15] * 0x800);
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int y = m_mainram[i + 1];
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int x = m_mainram[i + 3];
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int tile = m_mainram[i + 2];
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int y = m_mainram[i + 1];
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int x = m_mainram[i + 3];
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int tile = m_mainram[i + 2];
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int tilehigh = m_mainram[i + 4] & 0x04;
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int tilehigh2 = m_mainram[i + 0] & 0x04;
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int tilehigh3 = m_mainram[i + 0] & 0x08;
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int tilehigh = m_mainram[i + 4] & 0x04;
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int tilehigh2 = m_mainram[i + 0] & 0x04;
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int tilehigh3 = m_mainram[i + 0] & 0x08;
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//int unk = m_mainram[i + 4] & 0x20;
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if (tilehigh)
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tile += 0x100;
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if (tilehigh2)
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tile += 0x200;
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if (tilehigh3)
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tile += 0x400;
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//if (unk) // set on score + 'press start' in ddr, priority? palette select?
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// tile = machine().rand();
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if (tilehigh)
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tile += 0x100;
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int xhigh = m_mainram[i + 4] & 0x01;
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int yhigh = m_mainram[i + 0] & 0x01; // or enable bit?
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if (tilehigh2)
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tile += 0x200;
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x = x | (xhigh << 8);
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y = y | (yhigh << 8);
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if (tilehigh3)
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tile += 0x400;
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y -= 0x100;
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y -= 16;
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x -= 16;
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if (m_unkregs[0x10] & 1) // seems to change something at least (trkfldch events)
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{
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gfx = m_gfxdecode->gfx(1);
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tilegfxbase -= 0x80;
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}
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else
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{
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gfx = m_gfxdecode->gfx(2);
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tilegfxbase -= 0x80;
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}
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int xhigh = m_mainram[i + 4] & 0x01;
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int yhigh = m_mainram[i + 0] & 0x01; // or enable bit?
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x = x | (xhigh << 8);
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y = y | (yhigh << 8);
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y -= 0x100;
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y -= 16;
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x -= 16;
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gfx_element *gfx = m_gfxdecode->gfx(1);
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gfx->transpen(bitmap,cliprect,tile+tilegfxbase,0,0,0,x,y,0);
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gfx->transpen(bitmap, cliprect, tile + tilegfxbase, 0, 0, 0, x, y, 0);
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}
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}
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return 0;
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}
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@ -267,31 +294,48 @@ static INPUT_PORTS_START( trkfldch )
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INPUT_PORTS_END
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// dummy, doesn't appear to be tile based
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static const gfx_layout tiles8x8_layout =
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static const gfx_layout tiles8x8x8_layout =
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{
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8,8,
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RGN_FRAC(1,1),
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8,
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{ 0, 1, 2, 3, 4, 5, 6, 7 },
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{ 0, 8, 16, 24, 32, 40, 48, 56 },
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{ 0*64, 1*64, 2*64, 3*64, 4*64, 5*64, 6*64, 7*64 },
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64*8
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{ 0, 1, 16, 17, 32, 33, 48, 49 },
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{ 8,10,12, 14, 0,2,4,6 },
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{ 0,0 + 64,
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128,128 + 64,
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256,256 + 64,
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384, 384 + 64 },
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512,
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};
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static const gfx_layout tiles16x16_layout =
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static const gfx_layout tiles16x16x8_layout =
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{
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16,16,
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RGN_FRAC(1,1),
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8,
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{ 0, 1, 32, 33, 64, 65, 96, 97 },
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{ 8,10,12,14, 0,2,4,6, 24,26,28,30, 16,18,20,22,},
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{ 8,10,12,14, 0,2,4,6, 24,26,28,30, 16,18,20,22 },
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{ STEP16(0,128) },
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128*16,
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};
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// not correct
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static const gfx_layout tiles16x16x4_layout =
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{
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16,16,
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RGN_FRAC(1,1),
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4,
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{ 0, 1, 32, 33 },
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{ 8,10,12,14, 0,2,4,6, 24,26,28,30, 16,18,20,22 },
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{ STEP16(0,64) },
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64*16,
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};
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static GFXDECODE_START( gfx_trkfldch )
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GFXDECODE_ENTRY( "maincpu", 0, tiles8x8_layout, 0, 1 )
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GFXDECODE_ENTRY( "maincpu", 0, tiles16x16_layout, 0, 1 )
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GFXDECODE_ENTRY( "maincpu", 0, tiles8x8x8_layout, 0, 1 )
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GFXDECODE_ENTRY( "maincpu", 0, tiles16x16x8_layout, 0, 1 )
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GFXDECODE_ENTRY( "maincpu", 0, tiles16x16x4_layout, 0, 1 )
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GFXDECODE_END
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/*
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@ -474,7 +518,7 @@ WRITE8_MEMBER(trkfldch_state::unkregs_w)
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// is it significant that 0x10 goes up to 0x1a, 0x20 to 0x2b, 0x30 to 0x3b could be 3 sets of similar things?
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case 0x10:
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case 0x10: // gfxmode select (4bpp / 8bpp) for sprites? maybe
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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break;
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@ -494,7 +538,7 @@ WRITE8_MEMBER(trkfldch_state::unkregs_w)
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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break;
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case 0x15:
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case 0x15: // gfxbank select for sprites
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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break;
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@ -636,15 +680,15 @@ WRITE8_MEMBER(trkfldch_state::unkregs_w)
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case 0x60:
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case 0x60: // sprite list location (dma source?)
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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break;
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case 0x61:
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case 0x61: // sprite list location (dma source?)
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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break;
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case 0x62:
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case 0x62:
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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break;
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@ -789,6 +833,12 @@ void trkfldch_state::machine_start()
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{
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save_item(NAME(m_unkdata_addr));
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save_item(NAME(m_unkdata));
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for (int i = 0; i < 256; i++)
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{
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m_palette->set_pen_color(i, machine().rand(), machine().rand(), machine().rand());
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}
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}
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void trkfldch_state::machine_reset()
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