333 lines
8.9 KiB
NASM
333 lines
8.9 KiB
NASM
.386P
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.model FLAT
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externdef _d_zistepu:dword
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externdef _d_zistepv: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 _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 _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 _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 _r_sstepx:dword
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externdef _r_tstepx:dword
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externdef _skintable:dword
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externdef _r_zistepx: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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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 _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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_TEXT SEGMENT
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public _SND_PaintChannelFrom8
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_SND_PaintChannelFrom8:
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push esi
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push edi
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push ebx
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push ebp
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mov ebx,ds:dword ptr[4+16+esp]
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mov esi,ds:dword ptr[8+16+esp]
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mov eax,ds:dword ptr[4+ebx]
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mov edx,ds:dword ptr[8+ebx]
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cmp eax,255
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jna LLeftSet
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mov eax,255
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LLeftSet:
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cmp edx,255
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jna LRightSet
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mov edx,255
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LRightSet:
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and eax,0F8h
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add esi,20
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and edx,0F8h
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mov edi,ds:dword ptr[16+ebx]
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mov ecx,ds:dword ptr[12+16+esp]
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add esi,edi
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shl eax,7
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add edi,ecx
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shl edx,7
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mov ds:dword ptr[16+ebx],edi
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add eax,offset _snd_scaletable
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add edx,offset _snd_scaletable
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sub ebx,ebx
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mov bl,ds:byte ptr[-1+esi+ecx*1]
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test ecx,1
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jz LMix8Loop
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mov edi,ds:dword ptr[eax+ebx*4]
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mov ebp,ds:dword ptr[edx+ebx*4]
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add edi,ds:dword ptr[_paintbuffer+0-8+ecx*8]
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add ebp,ds:dword ptr[_paintbuffer+4-8+ecx*8]
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mov ds:dword ptr[_paintbuffer+0-8+ecx*8],edi
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mov ds:dword ptr[_paintbuffer+4-8+ecx*8],ebp
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mov bl,ds:byte ptr[-2+esi+ecx*1]
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dec ecx
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jz LDone
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LMix8Loop:
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mov edi,ds:dword ptr[eax+ebx*4]
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mov ebp,ds:dword ptr[edx+ebx*4]
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add edi,ds:dword ptr[_paintbuffer+0-8+ecx*8]
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add ebp,ds:dword ptr[_paintbuffer+4-8+ecx*8]
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mov bl,ds:byte ptr[-2+esi+ecx*1]
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mov ds:dword ptr[_paintbuffer+0-8+ecx*8],edi
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mov ds:dword ptr[_paintbuffer+4-8+ecx*8],ebp
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mov edi,ds:dword ptr[eax+ebx*4]
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mov ebp,ds:dword ptr[edx+ebx*4]
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mov bl,ds:byte ptr[-3+esi+ecx*1]
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add edi,ds:dword ptr[_paintbuffer+0-8*2+ecx*8]
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add ebp,ds:dword ptr[_paintbuffer+4-8*2+ecx*8]
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mov ds:dword ptr[_paintbuffer+0-8*2+ecx*8],edi
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mov ds:dword ptr[_paintbuffer+4-8*2+ecx*8],ebp
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sub ecx,2
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jnz LMix8Loop
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LDone:
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pop ebp
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pop ebx
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pop edi
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pop esi
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ret
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public _Snd_WriteLinearBlastStereo16
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_Snd_WriteLinearBlastStereo16:
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push esi
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push edi
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push ebx
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mov ecx,ds:dword ptr[_snd_linear_count]
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mov ebx,ds:dword ptr[_snd_p]
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mov esi,ds:dword ptr[_snd_vol]
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mov edi,ds:dword ptr[_snd_out]
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LWLBLoopTop:
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mov eax,ds:dword ptr[-8+ebx+ecx*4]
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imul eax,esi
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sar eax,8
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cmp eax,07FFFh
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jg LClampHigh
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cmp eax,0FFFF8000h
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jnl LClampDone
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mov eax,0FFFF8000h
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jmp LClampDone
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LClampHigh:
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mov eax,07FFFh
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LClampDone:
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mov edx,ds:dword ptr[-4+ebx+ecx*4]
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imul edx,esi
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sar edx,8
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cmp edx,07FFFh
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jg LClampHigh2
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cmp edx,0FFFF8000h
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jnl LClampDone2
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mov edx,0FFFF8000h
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jmp LClampDone2
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LClampHigh2:
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mov edx,07FFFh
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LClampDone2:
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shl edx,16
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and eax,0FFFFh
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or edx,eax
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mov ds:dword ptr[-4+edi+ecx*2],edx
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sub ecx,2
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jnz LWLBLoopTop
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pop ebx
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pop edi
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pop esi
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ret
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_TEXT ENDS
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END
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