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Added basic sprites, nw

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This commit is contained in:
angelosa 2016-03-23 20:53:58 +01:00
parent 62d1e88e98
commit 22ac6aff21
1 changed files with 49 additions and 2 deletions
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51
src/mame/drivers/toypop.cpp
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@ -41,6 +41,7 @@ public:
m_namco56xx_2(*this, "56xx_2"),
m_palette(*this, "palette"),
m_gfxdecode(*this, "gfxdecode"),
m_master_workram(*this, "master_workram"),
m_slave_sharedram(*this, "slave_sharedram"),
m_bgvram(*this, "bgvram"),
m_fgvram(*this, "fgvram"),
@ -58,6 +59,7 @@ public:
required_device<palette_device> m_palette;
required_device<gfxdecode_device> m_gfxdecode;
required_shared_ptr<UINT8> m_master_workram;
required_shared_ptr<UINT8> m_slave_sharedram;
required_shared_ptr<UINT16> m_bgvram;
required_shared_ptr<UINT8> m_fgvram;
@ -95,7 +97,7 @@ private:
void legacy_bg_draw(bitmap_ind16 &bitmap,const rectangle &cliprect);
void legacy_fg_draw(bitmap_ind16 &bitmap,const rectangle &cliprect);
void legacy_obj_draw(bitmap_ind16 &bitmap,const rectangle &cliprect);
};
PALETTE_INIT_MEMBER(namcos16_state, toypop)
@ -201,10 +203,55 @@ void namcos16_state::legacy_fg_draw(bitmap_ind16 &bitmap,const rectangle &clipre
}
}
// TODO: this is likely to be a lot more complex, and maybe is per scanline too
void namcos16_state::legacy_obj_draw(bitmap_ind16 &bitmap,const rectangle &cliprect)
{
gfx_element *gfx_1 = m_gfxdecode->gfx(1);
int count;
UINT8 *base_spriteram = m_master_workram;
const UINT16 bank1 = 0x0800;
const UINT16 bank2 = 0x1000;
for (count=0x780;count<0x800;count+=2)
{
bool enabled = (base_spriteram[count+bank2+1] & 2) == 0;
if(enabled == false)
continue;
UINT8 tile = base_spriteram[count];
UINT8 color = base_spriteram[count+1];
int x = base_spriteram[count+bank1+1] + (base_spriteram[count+bank2+1] << 8);
x -= 56;
x = cliprect.max_x - x;
int y = base_spriteram[count+bank1+0];
y -= 9;
bool fx = (base_spriteram[count+bank2] & 1) == 1;
bool fy = (base_spriteram[count+bank2] & 2) == 2;
UINT8 width = ((base_spriteram[count+bank2] & 4) >> 2) + 1;
UINT8 height = ((base_spriteram[count+bank2] & 8) >> 3) + 1;
if(width == 2)
x -=16;
for(int yi=0;yi<height;yi++)
{
for(int xi=0;xi<width;xi++)
{
UINT16 sprite_offs = tile + xi + yi * 2;
gfx_1->transmask(bitmap,cliprect,sprite_offs,color,fx,fy,x + xi*16,y + yi *16,m_palette->transpen_mask(*gfx_1, color, 0xff));
}
}
}
}
UINT32 namcos16_state::screen_update( screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect )
{
legacy_bg_draw(bitmap,cliprect);
legacy_fg_draw(bitmap,cliprect);
legacy_obj_draw(bitmap,cliprect);
return 0;
}
@ -257,7 +304,7 @@ WRITE8_MEMBER(namcos16_state::flip)
static ADDRESS_MAP_START( master_map, AS_PROGRAM, 8, namcos16_state )
AM_RANGE(0x0000, 0x03ff) AM_RAM AM_SHARE("fgvram")
AM_RANGE(0x0400, 0x07ff) AM_RAM AM_SHARE("fgattr")
AM_RANGE(0x0800, 0x1fff) AM_RAM
AM_RANGE(0x0800, 0x1fff) AM_RAM AM_SHARE("master_workram")
AM_RANGE(0x2800, 0x2fff) AM_RAM AM_SHARE("slave_sharedram")
// TODO: 0x6xxx-0x7xxx seems to be programmable somehow (PAL?)
AM_RANGE(0x6000, 0x600f) AM_DEVREADWRITE("58xx", namco58xx_device, read, write)