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https://github.com/holub/mame
synced 2025-06-03 03:16:30 +03:00
trkfldch - alt bg tile format (nw) (#5118)
* small changes (nw) * alt tile format (nw)
This commit is contained in:
David Haywood
R. Belmont
parent
caacd65730
commit
ec8a8deedd
@ -65,7 +65,7 @@ private:
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required_device<palette_device> m_palette;
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void render_tile_layer(screen_device& screen, bitmap_ind16& bitmap, const rectangle& cliprect, uint16_t base, uint16_t tileadd);
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void render_tile_layer(screen_device& screen, bitmap_ind16& bitmap, const rectangle& cliprect, uint16_t base, uint16_t tileadd, int gfxregion, int tilexsize);
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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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@ -89,7 +89,7 @@ void trkfldch_state::video_start()
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{
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}
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void trkfldch_state::render_tile_layer(screen_device& screen, bitmap_ind16& bitmap, const rectangle& cliprect, uint16_t base, uint16_t tileadd)
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void trkfldch_state::render_tile_layer(screen_device& screen, bitmap_ind16& bitmap, const rectangle& cliprect, uint16_t base, uint16_t tileadd, int gfxregion, int tilexsize)
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{
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int offs = 0;
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for (int y = 0; y < 30; y++)
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@ -103,18 +103,18 @@ void trkfldch_state::render_tile_layer(screen_device& screen, bitmap_ind16& bitm
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uint8_t attr = mem.read_byte(base + offs);
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offs++;
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uint16_t tile = (attr << 8) | byte;
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int tile = (attr << 8) | byte;
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int flipx = (tile & 0x8000) >> 15;
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// flipy is probably 0x4000
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int pal = (tile & 0x6000) >> 13;
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tile &= 0x3fff;
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tile &= 0x1fff;
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tile += tileadd;
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gfx_element* gfx = m_gfxdecode->gfx(0);
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gfx_element* gfx = m_gfxdecode->gfx(gfxregion);
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gfx->transpen(bitmap, cliprect,tile, 0, flipx, 0, x*8, y*8, 0);
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gfx->transpen(bitmap, cliprect,tile, pal, flipx, 0, x*tilexsize, y*8, 0);
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}
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}
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@ -129,6 +129,7 @@ void trkfldch_state::render_tile_layer(screen_device& screen, bitmap_ind16& bitm
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// trkfldch logos = b000 06 07 06 00
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// trkfldch ingame uses different bpp so different addressing here too?
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uint32_t trkfldch_state::screen_update_trkfldch(screen_device& screen, bitmap_ind16& bitmap, const rectangle& cliprect)
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{
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bitmap.fill(0, cliprect);
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@ -158,22 +159,49 @@ uint32_t trkfldch_state::screen_update_trkfldch(screen_device& screen, bitmap_in
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}
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{
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int base, gfxbase;
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int base, gfxbase, gfxregion, tilexsize;
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base = (m_unkregs[0x54] << 8);
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gfxbase = (m_unkregs[0x11]*0x2000) - 0x200;
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render_tile_layer(screen, bitmap, cliprect, base, gfxbase);
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gfxbase = (m_unkregs[0x11] * 0x2000);
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if (m_unkregs[0x10] & 1) // seems like it might be a global control for bpp?
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{
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gfxbase -= 0x200;
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gfxregion = 0;
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tilexsize = 8;
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}
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else
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{
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gfxbase -= 0x2ac;
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gfxregion = 2;
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tilexsize = 8;
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}
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render_tile_layer(screen, bitmap, cliprect, base, gfxbase, gfxregion, tilexsize);
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base = (m_unkregs[0x55] << 8);
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gfxbase = (m_unkregs[0x13]*0x2000) - 0x200;
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render_tile_layer(screen, bitmap, cliprect, base, gfxbase);
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if (m_unkregs[0x10] & 0x10) // definitely looks like layer enable
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{
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base = (m_unkregs[0x55] << 8);
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gfxbase = (m_unkregs[0x13] * 0x2000);
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if (m_unkregs[0x10] & 1) // seems like it might be a global control for bpp?
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{
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gfxbase -= 0x200;
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gfxregion = 0;
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tilexsize = 8;
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}
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else
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{
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gfxbase -= 0x2ac;
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gfxregion = 2;
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tilexsize = 8;
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}
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render_tile_layer(screen, bitmap, cliprect, base, gfxbase, gfxregion, tilexsize);
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}
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}
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for (int i = 0x500 - 5; i >= 0; i -= 5)
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{
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// printf("entry %02x %02x %02x %02x %02x\n", m_spriteram[i + 0], m_spriteram[i + 1], m_spriteram[i + 2], m_spriteram[i + 3], m_spriteram[i + 4]);
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// logerror("entry %02x %02x %02x %02x %02x\n", m_spriteram[i + 0], m_spriteram[i + 1], m_spriteram[i + 2], m_spriteram[i + 3], m_spriteram[i + 4]);
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int tilegfxbase = (m_unkregs[0x15] * 0x800);
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int y = m_spriteram[i + 1];
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@ -213,7 +241,7 @@ uint32_t trkfldch_state::screen_update_trkfldch(screen_device& screen, bitmap_in
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gfx_element* gfx;
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if (m_unkregs[0x10] & 1) // seems to change something at least (trkfldch events)
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if (m_unkregs[0x10] & 1) // seems like it might be a global control for bpp?
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{
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gfx = m_gfxdecode->gfx(1);
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tilegfxbase -= 0x80;
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@ -221,7 +249,7 @@ uint32_t trkfldch_state::screen_update_trkfldch(screen_device& screen, bitmap_in
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else
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{
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pal = (m_spriteram[i + 0] & 0x30)>>4;
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gfx = m_gfxdecode->gfx(2);
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gfx = m_gfxdecode->gfx(3);
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tilegfxbase -= 0x40;
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tilegfxbase -= 0x6b;
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@ -373,11 +401,8 @@ static const gfx_layout tiles8x8x8_layout =
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RGN_FRAC(1,1),
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8,
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{ 48,49, 32,33, 16,17, 0, 1 },
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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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{ 8,10,12, 14, 0,2,4,6 },
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{ STEP8(0,64) },
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512,
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};
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@ -395,6 +420,18 @@ static const gfx_layout tiles16x16x8_layout =
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// TODO: if we're going to use gfxdecode then allocate this manually with the correct number of tiles
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// might be we have to use manual drawing tho, the base offset is already strange
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static const gfx_layout tiles8x8x6_layout =
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{
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8,8,
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0x5500*4,
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6,
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{ 32, 33, 16, 17, 0, 1 },
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{ 8,10,12,14, 0,2,4,6 },
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{ STEP8(0,48) },
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48*8,
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};
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static const gfx_layout tiles16x16x6_layout =
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{
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16,16,
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@ -410,6 +447,7 @@ static const gfx_layout tiles16x16x6_layout =
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static GFXDECODE_START( gfx_trkfldch )
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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", 0x40, tiles8x8x6_layout, 0, 4 )
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GFXDECODE_ENTRY( "maincpu", 0x40, tiles16x16x6_layout, 0, 4 )
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GFXDECODE_END
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@ -459,62 +497,62 @@ READ8_MEMBER(trkfldch_state::unkregs_r)
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{
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case 0x00: // IRQ status?, see above
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ret = machine().rand();
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//logerror("%s: unkregs_r (IRQ state?) %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r (IRQ state?) %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x01: // IRQ status?, see above
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ret = machine().rand();
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//logerror("%s: unkregs_r (IRQ state?) %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r (IRQ state?) %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x02: // ends up being read as a side effect of reading a 16-bit word at 0x1, but also directly too?
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x03: // ends up being read as a side effect of reading a 16-bit word at 0x2, any other purpose?
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x04:
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ret = 0xff;
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x05: // only read as a side effect of reading port 0x4 in 16-bit mode?
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ret = 0xff;
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x06:
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x42:
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x43:
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x44:
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x54: // tilebase 1
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x55: // tilebase 2
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x56: // tilebase 3
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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@ -522,50 +560,50 @@ READ8_MEMBER(trkfldch_state::unkregs_r)
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case 0x70: // read in irq (inputs?)
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ret = ioport("IN0")->read();
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x71:
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ret = ioport("IN1")->read();
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x73:
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x74:
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x75:
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x76:
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x77:
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x7f:
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0x80: // only read as a side-effect of reading 0x7f?
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0xb6:
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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case 0xb7:
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//logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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logerror("%s: unkregs_r %04x (returning %02x)\n", machine().describe_context(), offset, ret);
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break;
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@ -591,182 +629,182 @@ WRITE8_MEMBER(trkfldch_state::unkregs_w)
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break;
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case 0x02: // startup
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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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 0x03: // startup
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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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 0x04: // startup
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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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 0x05: // startup
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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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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// 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: // 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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logerror("%s: unkregs_w (bpp select) %04x %02x\n", machine().describe_context(), offset, data);
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break;
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case 0x11:
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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case 0x11: // tilegfx base 1
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logerror("%s: unkregs_w (tilegfx base 1) %04x %02x\n", machine().describe_context(), offset, data);
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break;
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case 0x12: // startup
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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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 0x13:
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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case 0x13: // tilegfx base 2
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logerror("%s: unkregs_w (tilegfx base 2) %04x %02x\n", machine().describe_context(), offset, data);
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break;
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case 0x14: // startup
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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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: // gfxbank select for sprites
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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logerror("%s: unkregs_w (spritegfx base 1) %04x %02x\n", machine().describe_context(), offset, data);
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break;
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case 0x16:
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
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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 0x17:
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//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x18:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x19:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x1a:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
|
||||
|
||||
|
||||
case 0x20: // rarely
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x21: // rarely
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x22: // rarely
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x23: // after a long time
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x24: // rarely
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x25: // rarely
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x26:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x27:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x28:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x29:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x2a:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x2b:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
|
||||
|
||||
|
||||
case 0x30:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x31:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x32: // rarely
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x33: // rarely
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x34: // rarely
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x36: // rarely
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x37: // rarely
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x3a:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x3b:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
|
||||
|
||||
|
||||
case 0x42:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x43:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
|
||||
|
||||
|
||||
case 0x54: // tilebase 1
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x55: // tilebase 2
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x56: // tilebase 3
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
|
||||
@ -799,12 +837,21 @@ WRITE8_MEMBER(trkfldch_state::unkregs_w)
|
||||
uint32_t dmasource = (m_unkregs[0x62] << 16) | (m_unkregs[0x61] << 8) | m_unkregs[0x60];
|
||||
uint16_t dmadest = (m_unkregs[0x64] << 8) | m_unkregs[0x63];
|
||||
|
||||
logerror("%s: performing dma src: %06x dst %04x len %04x and extra params %02x %02x %02x %02x %02x %02x\n", machine().describe_context(), dmasource, dmadest, dmalength, m_unkregs[0x67], m_unkregs[0x68], m_unkregs[0x69], m_unkregs[0x6b], m_unkregs[0x6c], m_unkregs[0x6d]);
|
||||
|
||||
|
||||
for (uint32_t j = 0; j < dmalength; j++)
|
||||
{
|
||||
uint8_t byte = mem.read_byte(dmasource+j);
|
||||
mem.write_byte(dmadest+j, byte);
|
||||
}
|
||||
|
||||
// maybe
|
||||
for (int i = 0x0; i < 0x10; i++)
|
||||
{
|
||||
m_unkregs[0x60 + i] = 0;
|
||||
}
|
||||
|
||||
}
|
||||
break;
|
||||
|
||||
@ -812,28 +859,33 @@ WRITE8_MEMBER(trkfldch_state::unkregs_w)
|
||||
logerror("%s: unkregs_w %04x %02x (dma length high)\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
// the rest of these 60 range registers seem to control some kind of on/off step for source and destination, allowing rectangles to be copied from rom to ram
|
||||
// but they don't get reset properly even if I clear them after an op (see above) so maybe I'm using the wrong trigger? DMA operations prior to them
|
||||
// being used don't set them at all
|
||||
|
||||
|
||||
case 0x67: // after a long time
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x (dma related)\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x68: // rarely (my1stddr)
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x (dma related)\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x69: // after a long time
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x (dma related)\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x6b: // after a long time
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x (dma related)\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x6c: // rarely (my1stddr)
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x (dma related)\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x6d: // after a long time
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x (dma related)\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
|
||||
@ -842,76 +894,76 @@ WRITE8_MEMBER(trkfldch_state::unkregs_w)
|
||||
|
||||
|
||||
case 0x71: // startup
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x72: // startup
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x73: // some kind of serial device?
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x74: // startup
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x75: // some kind of serial device? (used with 73?)
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x76: // startup
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x77: // every second or so
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x78: // startup
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x79: // startup
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x7a: // startup
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x7f: // startup
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
|
||||
case 0x81: // startup (my1stddr)
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x82: // startup (my1stddr)
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x83:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0x84:
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
|
||||
case 0xb5: // startup
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
case 0xb6: // significant data transfer shortly after boot, seems to clock writes with 0073 writing d0 / c0? (then writes 2 bytes here)
|
||||
// values are coming from a structure in RAM
|
||||
// how does it reset?
|
||||
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
m_unkdata[m_unkdata_addr] = data;
|
||||
|
||||
m_unkdata_addr++;
|
||||
@ -921,12 +973,12 @@ WRITE8_MEMBER(trkfldch_state::unkregs_w)
|
||||
|
||||
|
||||
case 0xca: // startup
|
||||
//logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
|
||||
|
||||
default:
|
||||
//printf("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
logerror("%s: unkregs_w %04x %02x\n", machine().describe_context(), offset, data);
|
||||
break;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user