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model2.cpp: hookup polygon count (nw)

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This commit is contained in:
angelosa 2018-02-19 16:28:54 +01:00
parent c65b903ed2
commit a649377289
2 changed files with 10 additions and 8 deletions
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6
src/mame/drivers/model2.cpp
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@ -1447,12 +1447,6 @@ READ8_MEMBER(model2_state::tgpid_r)
return ID[offset]; return ID[offset];
} }
/* Sky Target, TODO */
READ32_MEMBER(model2_state::polygon_count_r)
{
return 0;
}
/* common map for all Model 2 versions */ /* common map for all Model 2 versions */
ADDRESS_MAP_START(model2_state::model2_base_mem) ADDRESS_MAP_START(model2_state::model2_base_mem)
AM_RANGE(0x00000000, 0x001fffff) AM_ROM AM_WRITENOP AM_RANGE(0x00000000, 0x001fffff) AM_ROM AM_WRITENOP

8
src/mame/video/model2.cpp
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@ -293,6 +293,14 @@ WRITE32_MEMBER(model2_state::model2_3d_zclip_w)
m_raster->master_z_clip = data; m_raster->master_z_clip = data;
} }
// TODO: only Sky Target seems to use this for unknown purpose
READ32_MEMBER(model2_state::polygon_count_r)
{
// printf("%08x\n",m_raster->tri_list_index);
return m_raster->tri_list_index;
}
/******************************************* /*******************************************
* *
* Hardware 3D Rasterizer Processing * Hardware 3D Rasterizer Processing