949 lines
21 KiB
NASM
949 lines
21 KiB
NASM
.386P
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.model FLAT
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externdef _d_zistepu:dword
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externdef _d_pzbuffer:dword
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externdef _d_zistepv:dword
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externdef _d_zrowbytes:dword
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externdef _d_ziorigin:dword
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externdef _r_turb_s:dword
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externdef _r_turb_t:dword
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externdef _r_turb_pdest:dword
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externdef _r_turb_spancount:dword
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externdef _r_turb_turb:dword
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externdef _r_turb_pbase:dword
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externdef _r_turb_sstep:dword
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externdef _r_turb_tstep:dword
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externdef _r_bmodelactive:dword
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externdef _d_sdivzstepu:dword
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externdef _d_tdivzstepu:dword
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externdef _d_sdivzstepv:dword
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externdef _d_tdivzstepv:dword
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externdef _d_sdivzorigin:dword
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externdef _d_tdivzorigin:dword
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externdef _sadjust:dword
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externdef _tadjust:dword
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externdef _bbextents:dword
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externdef _bbextentt:dword
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externdef _cacheblock:dword
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externdef _d_viewbuffer:dword
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externdef _cachewidth:dword
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externdef _d_pzbuffer:dword
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externdef _d_zrowbytes:dword
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externdef _d_zwidth:dword
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externdef _d_scantable:dword
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externdef _r_lightptr:dword
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externdef _r_numvblocks:dword
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externdef _prowdestbase:dword
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externdef _pbasesource:dword
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externdef _r_lightwidth:dword
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externdef _lightright:dword
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externdef _lightrightstep:dword
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externdef _lightdeltastep:dword
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externdef _lightdelta:dword
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externdef _lightright:dword
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externdef _lightdelta:dword
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externdef _sourcetstep:dword
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externdef _surfrowbytes:dword
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externdef _lightrightstep:dword
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externdef _lightdeltastep:dword
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externdef _r_sourcemax:dword
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externdef _r_stepback:dword
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externdef _colormap:dword
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externdef _blocksize:dword
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externdef _sourcesstep:dword
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externdef _lightleft:dword
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externdef _blockdivshift:dword
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externdef _blockdivmask:dword
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externdef _lightleftstep:dword
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externdef _r_origin:dword
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externdef _r_ppn:dword
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externdef _r_pup:dword
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externdef _r_pright:dword
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externdef _ycenter:dword
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externdef _xcenter:dword
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externdef _d_vrectbottom_particle:dword
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externdef _d_vrectright_particle:dword
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externdef _d_vrecty:dword
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externdef _d_vrectx:dword
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externdef _d_pix_shift:dword
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externdef _d_pix_min:dword
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externdef _d_pix_max:dword
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externdef _d_y_aspect_shift:dword
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externdef _screenwidth:dword
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externdef _vright:dword
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externdef _vup:dword
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externdef _vpn:dword
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externdef _BOPS_Error:dword
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externdef _snd_scaletable:dword
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externdef _paintbuffer:dword
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externdef _snd_linear_count:dword
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externdef _snd_p:dword
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externdef _snd_vol:dword
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externdef _snd_out:dword
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externdef _r_leftclipped:dword
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externdef _r_leftenter:dword
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externdef _r_rightclipped:dword
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externdef _r_rightenter:dword
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externdef _modelorg:dword
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externdef _xscale:dword
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externdef _r_refdef:dword
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externdef _yscale:dword
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externdef _r_leftexit:dword
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externdef _r_rightexit:dword
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externdef _r_lastvertvalid:dword
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externdef _cacheoffset:dword
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externdef _newedges:dword
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externdef _removeedges:dword
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externdef _r_pedge:dword
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externdef _r_framecount:dword
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externdef _r_u1:dword
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externdef _r_emitted:dword
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externdef _edge_p:dword
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externdef _surface_p:dword
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externdef _surfaces:dword
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externdef _r_lzi1:dword
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externdef _r_v1:dword
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externdef _r_ceilv1:dword
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externdef _r_nearzi:dword
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externdef _r_nearzionly:dword
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externdef _edge_aftertail:dword
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externdef _edge_tail:dword
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externdef _current_iv:dword
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externdef _edge_head_u_shift20:dword
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externdef _span_p:dword
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externdef _edge_head:dword
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externdef _fv:dword
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externdef _edge_tail_u_shift20:dword
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externdef _r_apverts:dword
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externdef _r_anumverts:dword
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externdef _aliastransform:dword
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externdef _r_avertexnormals:dword
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externdef _r_plightvec:dword
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externdef _r_ambientlight:dword
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externdef _r_shadelight:dword
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externdef _aliasxcenter:dword
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externdef _aliasycenter:dword
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externdef _a_sstepxfrac:dword
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externdef _r_affinetridesc:dword
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externdef _acolormap:dword
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externdef _d_pcolormap:dword
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externdef _r_affinetridesc:dword
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externdef _d_sfrac:dword
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externdef _d_ptex:dword
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externdef _d_pedgespanpackage:dword
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externdef _d_tfrac:dword
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externdef _d_light:dword
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externdef _d_zi:dword
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externdef _d_pdest:dword
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externdef _d_pz:dword
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externdef _d_aspancount:dword
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externdef _erroradjustup:dword
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externdef _errorterm:dword
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externdef _d_xdenom:dword
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externdef _r_p0:dword
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externdef _r_p1:dword
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externdef _r_p2:dword
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externdef _a_tstepxfrac:dword
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externdef _r_sstepx:dword
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externdef _r_tstepx:dword
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externdef _a_ststepxwhole:dword
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externdef _zspantable:dword
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externdef _skintable:dword
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externdef _r_zistepx:dword
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externdef _erroradjustdown:dword
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externdef _d_countextrastep:dword
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externdef _ubasestep:dword
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externdef _a_ststepxwhole:dword
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externdef _a_tstepxfrac:dword
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externdef _r_lstepx:dword
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externdef _a_spans:dword
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externdef _erroradjustdown:dword
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externdef _d_pdestextrastep:dword
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externdef _d_pzextrastep:dword
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externdef _d_sfracextrastep:dword
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externdef _d_ptexextrastep:dword
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externdef _d_countextrastep:dword
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externdef _d_tfracextrastep:dword
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externdef _d_lightextrastep:dword
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externdef _d_ziextrastep:dword
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externdef _d_pdestbasestep:dword
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externdef _d_pzbasestep:dword
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externdef _d_sfracbasestep:dword
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externdef _d_ptexbasestep:dword
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externdef _ubasestep:dword
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externdef _d_tfracbasestep:dword
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externdef _d_lightbasestep:dword
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externdef _d_zibasestep:dword
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externdef _zspantable:dword
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externdef _r_lstepy:dword
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externdef _r_sstepy:dword
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externdef _r_tstepy:dword
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externdef _r_zistepy:dword
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externdef _D_PolysetSetEdgeTable:dword
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externdef _D_RasterizeAliasPolySmooth:dword
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externdef float_point5:dword
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externdef Float2ToThe31nd:dword
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externdef izistep:dword
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externdef izi:dword
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externdef FloatMinus2ToThe31nd:dword
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externdef float_1:dword
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externdef float_particle_z_clip:dword
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externdef float_minus_1:dword
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externdef float_0:dword
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externdef fp_16:dword
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externdef fp_64k:dword
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externdef fp_1m:dword
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externdef fp_1m_minus_1:dword
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externdef fp_8:dword
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externdef entryvec_table:dword
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externdef advancetable:dword
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externdef sstep:dword
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externdef tstep:dword
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externdef pspantemp:dword
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externdef counttemp:dword
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externdef jumptemp:dword
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externdef reciprocal_table:dword
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externdef DP_Count:dword
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externdef DP_u:dword
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externdef DP_v:dword
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externdef DP_32768:dword
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externdef DP_Color:dword
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externdef DP_Pix:dword
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externdef DP_EntryTable:dword
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externdef pbase:dword
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externdef s:dword
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externdef t:dword
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externdef sfracf:dword
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externdef tfracf:dword
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externdef snext:dword
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externdef tnext:dword
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externdef spancountminus1:dword
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externdef zi16stepu:dword
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externdef sdivz16stepu:dword
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externdef tdivz16stepu:dword
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externdef zi8stepu:dword
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externdef sdivz8stepu:dword
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externdef tdivz8stepu:dword
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externdef reciprocal_table_16:dword
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externdef entryvec_table_16:dword
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externdef ceil_cw:dword
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externdef single_cw:dword
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externdef fp_64kx64k:dword
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externdef pz:dword
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externdef spr8entryvec_table:dword
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_TEXT SEGMENT
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LClampHigh0:
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mov esi,ds:dword ptr[_bbextents]
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jmp LClampReentry0
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LClampHighOrLow0:
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jg LClampHigh0
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xor esi,esi
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jmp LClampReentry0
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LClampHigh1:
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mov edx,ds:dword ptr[_bbextentt]
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jmp LClampReentry1
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LClampHighOrLow1:
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jg LClampHigh1
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xor edx,edx
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jmp LClampReentry1
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LClampLow2:
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mov ebp,2048
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jmp LClampReentry2
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LClampHigh2:
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mov ebp,ds:dword ptr[_bbextents]
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jmp LClampReentry2
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LClampLow3:
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mov ecx,2048
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jmp LClampReentry3
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LClampHigh3:
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mov ecx,ds:dword ptr[_bbextentt]
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jmp LClampReentry3
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LClampLow4:
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mov eax,2048
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jmp LClampReentry4
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LClampHigh4:
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mov eax,ds:dword ptr[_bbextents]
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jmp LClampReentry4
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LClampLow5:
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mov ebx,2048
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jmp LClampReentry5
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LClampHigh5:
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mov ebx,ds:dword ptr[_bbextentt]
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jmp LClampReentry5
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align 4
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public _D_DrawSpans8
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_D_DrawSpans8:
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push ebp
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push edi
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push esi
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push ebx
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fld ds:dword ptr[_d_sdivzstepu]
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fmul ds:dword ptr[fp_8]
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mov edx,ds:dword ptr[_cacheblock]
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fld ds:dword ptr[_d_tdivzstepu]
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fmul ds:dword ptr[fp_8]
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mov ebx,ds:dword ptr[4+16+esp]
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fld ds:dword ptr[_d_zistepu]
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fmul ds:dword ptr[fp_8]
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mov ds:dword ptr[pbase],edx
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fstp ds:dword ptr[zi8stepu]
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fstp ds:dword ptr[tdivz8stepu]
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fstp ds:dword ptr[sdivz8stepu]
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LSpanLoop:
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fild ds:dword ptr[4+ebx]
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fild ds:dword ptr[0+ebx]
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fld st(1)
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fmul ds:dword ptr[_d_sdivzstepv]
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fld st(1)
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fmul ds:dword ptr[_d_sdivzstepu]
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fld st(2)
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fmul ds:dword ptr[_d_tdivzstepu]
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fxch st(1)
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faddp st(2),st(0)
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fxch st(1)
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fld st(3)
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fmul ds:dword ptr[_d_tdivzstepv]
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fxch st(1)
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fadd ds:dword ptr[_d_sdivzorigin]
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fxch st(4)
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fmul ds:dword ptr[_d_zistepv]
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fxch st(1)
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faddp st(2),st(0)
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fxch st(2)
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fmul ds:dword ptr[_d_zistepu]
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fxch st(1)
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fadd ds:dword ptr[_d_tdivzorigin]
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fxch st(2)
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faddp st(1),st(0)
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fld ds:dword ptr[fp_64k]
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fxch st(1)
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fadd ds:dword ptr[_d_ziorigin]
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fdiv st(1),st(0)
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mov ecx,ds:dword ptr[_d_viewbuffer]
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mov eax,ds:dword ptr[4+ebx]
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mov ds:dword ptr[pspantemp],ebx
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mov edx,ds:dword ptr[_tadjust]
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mov esi,ds:dword ptr[_sadjust]
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mov edi,ds:dword ptr[_d_scantable+eax*4]
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add edi,ecx
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mov ecx,ds:dword ptr[0+ebx]
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add edi,ecx
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mov ecx,ds:dword ptr[8+ebx]
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cmp ecx,8
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ja LSetupNotLast1
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dec ecx
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jz LCleanup1
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mov ds:dword ptr[spancountminus1],ecx
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fxch st(1)
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fld st(0)
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fmul st(0),st(4)
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fxch st(1)
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fmul st(0),st(3)
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fxch st(1)
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fistp ds:dword ptr[s]
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fistp ds:dword ptr[t]
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fild ds:dword ptr[spancountminus1]
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fld ds:dword ptr[_d_tdivzstepu]
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fld ds:dword ptr[_d_zistepu]
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fmul st(0),st(2)
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fxch st(1)
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fmul st(0),st(2)
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fxch st(2)
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fmul ds:dword ptr[_d_sdivzstepu]
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fxch st(1)
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faddp st(3),st(0)
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fxch st(1)
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faddp st(3),st(0)
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faddp st(3),st(0)
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fld ds:dword ptr[fp_64k]
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fdiv st(0),st(1)
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jmp LFDIVInFlight1
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LCleanup1:
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fxch st(1)
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fld st(0)
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fmul st(0),st(4)
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fxch st(1)
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fmul st(0),st(3)
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fxch st(1)
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fistp ds:dword ptr[s]
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fistp ds:dword ptr[t]
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jmp LFDIVInFlight1
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align 4
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LSetupNotLast1:
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fxch st(1)
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fld st(0)
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fmul st(0),st(4)
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fxch st(1)
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fmul st(0),st(3)
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fxch st(1)
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fistp ds:dword ptr[s]
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fistp ds:dword ptr[t]
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fadd ds:dword ptr[zi8stepu]
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fxch st(2)
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fadd ds:dword ptr[sdivz8stepu]
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fxch st(2)
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fld ds:dword ptr[tdivz8stepu]
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faddp st(2),st(0)
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fld ds:dword ptr[fp_64k]
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fdiv st(0),st(1)
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LFDIVInFlight1:
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add esi,ds:dword ptr[s]
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add edx,ds:dword ptr[t]
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mov ebx,ds:dword ptr[_bbextents]
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mov ebp,ds:dword ptr[_bbextentt]
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cmp esi,ebx
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ja LClampHighOrLow0
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LClampReentry0:
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mov ds:dword ptr[s],esi
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mov ebx,ds:dword ptr[pbase]
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shl esi,16
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cmp edx,ebp
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mov ds:dword ptr[sfracf],esi
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ja LClampHighOrLow1
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LClampReentry1:
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mov ds:dword ptr[t],edx
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mov esi,ds:dword ptr[s]
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shl edx,16
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mov eax,ds:dword ptr[t]
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sar esi,16
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mov ds:dword ptr[tfracf],edx
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sar eax,16
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mov edx,ds:dword ptr[_cachewidth]
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imul eax,edx
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add esi,ebx
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add esi,eax
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cmp ecx,8
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jna LLastSegment
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LNotLastSegment:
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fld st(0)
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fmul st(0),st(4)
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fxch st(1)
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fmul st(0),st(3)
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fxch st(1)
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fistp ds:dword ptr[snext]
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fistp ds:dword ptr[tnext]
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mov eax,ds:dword ptr[snext]
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mov edx,ds:dword ptr[tnext]
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mov bl,ds:byte ptr[esi]
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sub ecx,8
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mov ebp,ds:dword ptr[_sadjust]
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mov ds:dword ptr[counttemp],ecx
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mov ecx,ds:dword ptr[_tadjust]
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mov ds:byte ptr[edi],bl
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add ebp,eax
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add ecx,edx
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mov eax,ds:dword ptr[_bbextents]
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mov edx,ds:dword ptr[_bbextentt]
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cmp ebp,2048
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jl LClampLow2
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cmp ebp,eax
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ja LClampHigh2
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LClampReentry2:
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cmp ecx,2048
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jl LClampLow3
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cmp ecx,edx
|
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ja LClampHigh3
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LClampReentry3:
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mov ds:dword ptr[snext],ebp
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mov ds:dword ptr[tnext],ecx
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sub ebp,ds:dword ptr[s]
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sub ecx,ds:dword ptr[t]
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mov eax,ecx
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mov edx,ebp
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sar eax,19
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jz LZero
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sar edx,19
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mov ebx,ds:dword ptr[_cachewidth]
|
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imul eax,ebx
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jmp LSetUp1
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LZero:
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sar edx,19
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mov ebx,ds:dword ptr[_cachewidth]
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LSetUp1:
|
|
add eax,edx
|
|
mov edx,ds:dword ptr[tfracf]
|
|
mov ds:dword ptr[advancetable+4],eax
|
|
add eax,ebx
|
|
shl ebp,13
|
|
mov ebx,ds:dword ptr[sfracf]
|
|
shl ecx,13
|
|
mov ds:dword ptr[advancetable],eax
|
|
mov ds:dword ptr[tstep],ecx
|
|
add edx,ecx
|
|
sbb ecx,ecx
|
|
add ebx,ebp
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb ecx,ecx
|
|
mov al,ds:byte ptr[esi]
|
|
add ebx,ebp
|
|
mov ds:byte ptr[1+edi],al
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb ecx,ecx
|
|
add ebx,ebp
|
|
mov al,ds:byte ptr[esi]
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb ecx,ecx
|
|
mov ds:byte ptr[2+edi],al
|
|
add ebx,ebp
|
|
mov al,ds:byte ptr[esi]
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb ecx,ecx
|
|
mov ds:byte ptr[3+edi],al
|
|
add ebx,ebp
|
|
mov al,ds:byte ptr[esi]
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
mov ecx,ds:dword ptr[counttemp]
|
|
cmp ecx,8
|
|
ja LSetupNotLast2
|
|
dec ecx
|
|
jz LFDIVInFlight2
|
|
mov ds:dword ptr[spancountminus1],ecx
|
|
fild ds:dword ptr[spancountminus1]
|
|
fld ds:dword ptr[_d_zistepu]
|
|
fmul st(0),st(1)
|
|
fld ds:dword ptr[_d_tdivzstepu]
|
|
fmul st(0),st(2)
|
|
fxch st(1)
|
|
faddp st(3),st(0)
|
|
fxch st(1)
|
|
fmul ds:dword ptr[_d_sdivzstepu]
|
|
fxch st(1)
|
|
faddp st(3),st(0)
|
|
fld ds:dword ptr[fp_64k]
|
|
fxch st(1)
|
|
faddp st(4),st(0)
|
|
fdiv st(0),st(1)
|
|
jmp LFDIVInFlight2
|
|
align 4
|
|
LSetupNotLast2:
|
|
fadd ds:dword ptr[zi8stepu]
|
|
fxch st(2)
|
|
fadd ds:dword ptr[sdivz8stepu]
|
|
fxch st(2)
|
|
fld ds:dword ptr[tdivz8stepu]
|
|
faddp st(2),st(0)
|
|
fld ds:dword ptr[fp_64k]
|
|
fdiv st(0),st(1)
|
|
LFDIVInFlight2:
|
|
mov ds:dword ptr[counttemp],ecx
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb ecx,ecx
|
|
mov ds:byte ptr[4+edi],al
|
|
add ebx,ebp
|
|
mov al,ds:byte ptr[esi]
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb ecx,ecx
|
|
mov ds:byte ptr[5+edi],al
|
|
add ebx,ebp
|
|
mov al,ds:byte ptr[esi]
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb ecx,ecx
|
|
mov ds:byte ptr[6+edi],al
|
|
add ebx,ebp
|
|
mov al,ds:byte ptr[esi]
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edi,8
|
|
mov ds:dword ptr[tfracf],edx
|
|
mov edx,ds:dword ptr[snext]
|
|
mov ds:dword ptr[sfracf],ebx
|
|
mov ebx,ds:dword ptr[tnext]
|
|
mov ds:dword ptr[s],edx
|
|
mov ds:dword ptr[t],ebx
|
|
mov ecx,ds:dword ptr[counttemp]
|
|
cmp ecx,8
|
|
mov ds:byte ptr[-1+edi],al
|
|
ja LNotLastSegment
|
|
LLastSegment:
|
|
test ecx,ecx
|
|
jz LNoSteps
|
|
fld st(0)
|
|
fmul st(0),st(4)
|
|
fxch st(1)
|
|
fmul st(0),st(3)
|
|
fxch st(1)
|
|
fistp ds:dword ptr[snext]
|
|
fistp ds:dword ptr[tnext]
|
|
mov al,ds:byte ptr[esi]
|
|
mov ebx,ds:dword ptr[_tadjust]
|
|
mov ds:byte ptr[edi],al
|
|
mov eax,ds:dword ptr[_sadjust]
|
|
add eax,ds:dword ptr[snext]
|
|
add ebx,ds:dword ptr[tnext]
|
|
mov ebp,ds:dword ptr[_bbextents]
|
|
mov edx,ds:dword ptr[_bbextentt]
|
|
cmp eax,2048
|
|
jl LClampLow4
|
|
cmp eax,ebp
|
|
ja LClampHigh4
|
|
LClampReentry4:
|
|
mov ds:dword ptr[snext],eax
|
|
cmp ebx,2048
|
|
jl LClampLow5
|
|
cmp ebx,edx
|
|
ja LClampHigh5
|
|
LClampReentry5:
|
|
cmp ecx,1
|
|
je LOnlyOneStep
|
|
sub eax,ds:dword ptr[s]
|
|
sub ebx,ds:dword ptr[t]
|
|
add eax,eax
|
|
add ebx,ebx
|
|
imul ds:dword ptr[reciprocal_table-8+ecx*4]
|
|
mov ebp,edx
|
|
mov eax,ebx
|
|
imul ds:dword ptr[reciprocal_table-8+ecx*4]
|
|
LSetEntryvec:
|
|
mov ebx,ds:dword ptr[entryvec_table+ecx*4]
|
|
mov eax,edx
|
|
mov ds:dword ptr[jumptemp],ebx
|
|
mov ecx,ebp
|
|
sar edx,16
|
|
mov ebx,ds:dword ptr[_cachewidth]
|
|
sar ecx,16
|
|
imul edx,ebx
|
|
add edx,ecx
|
|
mov ecx,ds:dword ptr[tfracf]
|
|
mov ds:dword ptr[advancetable+4],edx
|
|
add edx,ebx
|
|
shl ebp,16
|
|
mov ebx,ds:dword ptr[sfracf]
|
|
shl eax,16
|
|
mov ds:dword ptr[advancetable],edx
|
|
mov ds:dword ptr[tstep],eax
|
|
mov edx,ecx
|
|
add edx,eax
|
|
sbb ecx,ecx
|
|
add ebx,ebp
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
jmp dword ptr[jumptemp]
|
|
LNoSteps:
|
|
mov al,ds:byte ptr[esi]
|
|
sub edi,7
|
|
jmp LEndSpan
|
|
LOnlyOneStep:
|
|
sub eax,ds:dword ptr[s]
|
|
sub ebx,ds:dword ptr[t]
|
|
mov ebp,eax
|
|
mov edx,ebx
|
|
jmp LSetEntryvec
|
|
public Entry2_8
|
|
Entry2_8:
|
|
sub edi,6
|
|
mov al,ds:byte ptr[esi]
|
|
jmp LLEntry2_8
|
|
public Entry3_8
|
|
Entry3_8:
|
|
sub edi,5
|
|
add edx,eax
|
|
mov al,ds:byte ptr[esi]
|
|
sbb ecx,ecx
|
|
add ebx,ebp
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
jmp LLEntry3_8
|
|
public Entry4_8
|
|
Entry4_8:
|
|
sub edi,4
|
|
add edx,eax
|
|
mov al,ds:byte ptr[esi]
|
|
sbb ecx,ecx
|
|
add ebx,ebp
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
jmp LLEntry4_8
|
|
public Entry5_8
|
|
Entry5_8:
|
|
sub edi,3
|
|
add edx,eax
|
|
mov al,ds:byte ptr[esi]
|
|
sbb ecx,ecx
|
|
add ebx,ebp
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
jmp LLEntry5_8
|
|
public Entry6_8
|
|
Entry6_8:
|
|
sub edi,2
|
|
add edx,eax
|
|
mov al,ds:byte ptr[esi]
|
|
sbb ecx,ecx
|
|
add ebx,ebp
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
jmp LLEntry6_8
|
|
public Entry7_8
|
|
Entry7_8:
|
|
dec edi
|
|
add edx,eax
|
|
mov al,ds:byte ptr[esi]
|
|
sbb ecx,ecx
|
|
add ebx,ebp
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
jmp LLEntry7_8
|
|
public Entry8_8
|
|
Entry8_8:
|
|
add edx,eax
|
|
mov al,ds:byte ptr[esi]
|
|
sbb ecx,ecx
|
|
add ebx,ebp
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb ecx,ecx
|
|
mov ds:byte ptr[1+edi],al
|
|
add ebx,ebp
|
|
mov al,ds:byte ptr[esi]
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
LLEntry7_8:
|
|
sbb ecx,ecx
|
|
mov ds:byte ptr[2+edi],al
|
|
add ebx,ebp
|
|
mov al,ds:byte ptr[esi]
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
LLEntry6_8:
|
|
sbb ecx,ecx
|
|
mov ds:byte ptr[3+edi],al
|
|
add ebx,ebp
|
|
mov al,ds:byte ptr[esi]
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
LLEntry5_8:
|
|
sbb ecx,ecx
|
|
mov ds:byte ptr[4+edi],al
|
|
add ebx,ebp
|
|
mov al,ds:byte ptr[esi]
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
add edx,ds:dword ptr[tstep]
|
|
LLEntry4_8:
|
|
sbb ecx,ecx
|
|
mov ds:byte ptr[5+edi],al
|
|
add ebx,ebp
|
|
mov al,ds:byte ptr[esi]
|
|
adc esi,ds:dword ptr[advancetable+4+ecx*4]
|
|
LLEntry3_8:
|
|
mov ds:byte ptr[6+edi],al
|
|
mov al,ds:byte ptr[esi]
|
|
LLEntry2_8:
|
|
LEndSpan:
|
|
fstp st(0)
|
|
fstp st(0)
|
|
fstp st(0)
|
|
mov ebx,ds:dword ptr[pspantemp]
|
|
mov ebx,ds:dword ptr[12+ebx]
|
|
test ebx,ebx
|
|
mov ds:byte ptr[7+edi],al
|
|
jnz LSpanLoop
|
|
pop ebx
|
|
pop esi
|
|
pop edi
|
|
pop ebp
|
|
ret
|
|
|
|
LClamp:
|
|
mov edx,040000000h
|
|
xor ebx,ebx
|
|
fstp st(0)
|
|
jmp LZDraw
|
|
LClampNeg:
|
|
mov edx,040000000h
|
|
xor ebx,ebx
|
|
fstp st(0)
|
|
jmp LZDrawNeg
|
|
public _D_DrawZSpans
|
|
_D_DrawZSpans:
|
|
push ebp
|
|
push edi
|
|
push esi
|
|
push ebx
|
|
fld ds:dword ptr[_d_zistepu]
|
|
mov eax,ds:dword ptr[_d_zistepu]
|
|
mov esi,ds:dword ptr[4+16+esp]
|
|
test eax,eax
|
|
jz LFNegSpan
|
|
fmul ds:dword ptr[Float2ToThe31nd]
|
|
fistp ds:dword ptr[izistep]
|
|
mov ebx,ds:dword ptr[izistep]
|
|
LFSpanLoop:
|
|
fild ds:dword ptr[4+esi]
|
|
fild ds:dword ptr[0+esi]
|
|
mov ecx,ds:dword ptr[4+esi]
|
|
mov edi,ds:dword ptr[_d_pzbuffer]
|
|
fmul ds:dword ptr[_d_zistepu]
|
|
fxch st(1)
|
|
fmul ds:dword ptr[_d_zistepv]
|
|
fxch st(1)
|
|
fadd ds:dword ptr[_d_ziorigin]
|
|
imul ecx,ds:dword ptr[_d_zrowbytes]
|
|
faddp st(1),st(0)
|
|
fcom ds:dword ptr[float_point5]
|
|
add edi,ecx
|
|
mov edx,ds:dword ptr[0+esi]
|
|
add edx,edx
|
|
mov ecx,ds:dword ptr[8+esi]
|
|
add edi,edx
|
|
push esi
|
|
fnstsw ax
|
|
test ah,045h
|
|
jz LClamp
|
|
fmul ds:dword ptr[Float2ToThe31nd]
|
|
fistp ds:dword ptr[izi]
|
|
mov edx,ds:dword ptr[izi]
|
|
LZDraw:
|
|
test edi,2
|
|
jz LFMiddle
|
|
mov eax,edx
|
|
add edx,ebx
|
|
shr eax,16
|
|
dec ecx
|
|
mov ds:word ptr[edi],ax
|
|
add edi,2
|
|
LFMiddle:
|
|
push ecx
|
|
shr ecx,1
|
|
jz LFLast
|
|
shr ecx,1
|
|
jnc LFMiddleLoop
|
|
mov eax,edx
|
|
add edx,ebx
|
|
shr eax,16
|
|
mov esi,edx
|
|
add edx,ebx
|
|
and esi,0FFFF0000h
|
|
or eax,esi
|
|
mov ds:dword ptr[edi],eax
|
|
add edi,4
|
|
and ecx,ecx
|
|
jz LFLast
|
|
LFMiddleLoop:
|
|
mov eax,edx
|
|
add edx,ebx
|
|
shr eax,16
|
|
mov esi,edx
|
|
add edx,ebx
|
|
and esi,0FFFF0000h
|
|
or eax,esi
|
|
mov ebp,edx
|
|
mov ds:dword ptr[edi],eax
|
|
add edx,ebx
|
|
shr ebp,16
|
|
mov esi,edx
|
|
add edx,ebx
|
|
and esi,0FFFF0000h
|
|
or ebp,esi
|
|
mov ds:dword ptr[4+edi],ebp
|
|
add edi,8
|
|
dec ecx
|
|
jnz LFMiddleLoop
|
|
LFLast:
|
|
pop ecx
|
|
pop esi
|
|
and ecx,1
|
|
jz LFSpanDone
|
|
shr edx,16
|
|
mov ds:word ptr[edi],dx
|
|
LFSpanDone:
|
|
mov esi,ds:dword ptr[12+esi]
|
|
test esi,esi
|
|
jnz LFSpanLoop
|
|
jmp LFDone
|
|
LFNegSpan:
|
|
fmul ds:dword ptr[FloatMinus2ToThe31nd]
|
|
fistp ds:dword ptr[izistep]
|
|
mov ebx,ds:dword ptr[izistep]
|
|
LFNegSpanLoop:
|
|
fild ds:dword ptr[4+esi]
|
|
fild ds:dword ptr[0+esi]
|
|
mov ecx,ds:dword ptr[4+esi]
|
|
mov edi,ds:dword ptr[_d_pzbuffer]
|
|
fmul ds:dword ptr[_d_zistepu]
|
|
fxch st(1)
|
|
fmul ds:dword ptr[_d_zistepv]
|
|
fxch st(1)
|
|
fadd ds:dword ptr[_d_ziorigin]
|
|
imul ecx,ds:dword ptr[_d_zrowbytes]
|
|
faddp st(1),st(0)
|
|
fcom ds:dword ptr[float_point5]
|
|
add edi,ecx
|
|
mov edx,ds:dword ptr[0+esi]
|
|
add edx,edx
|
|
mov ecx,ds:dword ptr[8+esi]
|
|
add edi,edx
|
|
push esi
|
|
fnstsw ax
|
|
test ah,045h
|
|
jz LClampNeg
|
|
fmul ds:dword ptr[Float2ToThe31nd]
|
|
fistp ds:dword ptr[izi]
|
|
mov edx,ds:dword ptr[izi]
|
|
LZDrawNeg:
|
|
test edi,2
|
|
jz LFNegMiddle
|
|
mov eax,edx
|
|
sub edx,ebx
|
|
shr eax,16
|
|
dec ecx
|
|
mov ds:word ptr[edi],ax
|
|
add edi,2
|
|
LFNegMiddle:
|
|
push ecx
|
|
shr ecx,1
|
|
jz LFNegLast
|
|
shr ecx,1
|
|
jnc LFNegMiddleLoop
|
|
mov eax,edx
|
|
sub edx,ebx
|
|
shr eax,16
|
|
mov esi,edx
|
|
sub edx,ebx
|
|
and esi,0FFFF0000h
|
|
or eax,esi
|
|
mov ds:dword ptr[edi],eax
|
|
add edi,4
|
|
and ecx,ecx
|
|
jz LFNegLast
|
|
LFNegMiddleLoop:
|
|
mov eax,edx
|
|
sub edx,ebx
|
|
shr eax,16
|
|
mov esi,edx
|
|
sub edx,ebx
|
|
and esi,0FFFF0000h
|
|
or eax,esi
|
|
mov ebp,edx
|
|
mov ds:dword ptr[edi],eax
|
|
sub edx,ebx
|
|
shr ebp,16
|
|
mov esi,edx
|
|
sub edx,ebx
|
|
and esi,0FFFF0000h
|
|
or ebp,esi
|
|
mov ds:dword ptr[4+edi],ebp
|
|
add edi,8
|
|
dec ecx
|
|
jnz LFNegMiddleLoop
|
|
LFNegLast:
|
|
pop ecx
|
|
pop esi
|
|
and ecx,1
|
|
jz LFNegSpanDone
|
|
shr edx,16
|
|
mov ds:word ptr[edi],dx
|
|
LFNegSpanDone:
|
|
mov esi,ds:dword ptr[12+esi]
|
|
test esi,esi
|
|
jnz LFNegSpanLoop
|
|
LFDone:
|
|
pop ebx
|
|
pop esi
|
|
pop edi
|
|
pop ebp
|
|
ret
|
|
_TEXT ENDS
|
|
END
|