1040 lines
23 KiB
NASM
1040 lines
23 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 _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 spr8Tentryvec_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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externdef _mainTransTable: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_SpriteSpansStartT
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_D_SpriteSpansStartT:
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public _D_SpriteDrawSpansT
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_D_SpriteDrawSpansT:
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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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fld ds:dword ptr[_d_zistepu]
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fmul ds:dword ptr[fp_64kx64k]
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fxch st(3)
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fstp ds:dword ptr[sdivz8stepu]
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fstp ds:dword ptr[zi8stepu]
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fstp ds:dword ptr[tdivz8stepu]
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fistp ds:dword ptr[izistep]
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mov eax,ds:dword ptr[izistep]
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ror eax,16
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mov ecx,ds:dword ptr[8+ebx]
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mov ds:dword ptr[izistep],eax
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cmp ecx,0
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jle LNextSpan
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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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fld st(0)
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fmul ds:dword ptr[fp_64kx64k]
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fxch st(1)
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fdiv st(2),st(0)
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fxch st(1)
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fistp ds:dword ptr[izi]
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mov ebp,ds:dword ptr[izi]
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ror ebp,16
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mov eax,ds:dword ptr[4+ebx]
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mov ds:dword ptr[izi],ebp
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mov ebp,ds:dword ptr[0+ebx]
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imul ds:dword ptr[_d_zrowbytes]
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shl ebp,1
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add eax,ds:dword ptr[_d_pzbuffer]
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add eax,ebp
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mov ds:dword ptr[pz],eax
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mov ebp,ds:dword ptr[_d_viewbuffer]
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mov eax,ds:dword ptr[4+ebx]
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push 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,ebp
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mov ebp,ds:dword ptr[0+ebx]
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add edi,ebp
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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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add esi,ebx
|
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imul eax,ds:dword ptr[_cachewidth]
|
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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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sub ecx,8
|
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mov ebp,ds:dword ptr[_sadjust]
|
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push ecx
|
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mov ecx,ds:dword ptr[_tadjust]
|
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add ebp,eax
|
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add ecx,edx
|
|
mov eax,ds:dword ptr[_bbextents]
|
|
mov edx,ds:dword ptr[_bbextentt]
|
|
cmp ebp,2048
|
|
jl LClampLow2
|
|
cmp ebp,eax
|
|
ja LClampHigh2
|
|
LClampReentry2:
|
|
cmp ecx,2048
|
|
jl LClampLow3
|
|
cmp ecx,edx
|
|
ja LClampHigh3
|
|
LClampReentry3:
|
|
mov ds:dword ptr[snext],ebp
|
|
mov ds:dword ptr[tnext],ecx
|
|
sub ebp,ds:dword ptr[s]
|
|
sub ecx,ds:dword ptr[t]
|
|
mov eax,ecx
|
|
mov edx,ebp
|
|
sar edx,19
|
|
mov ebx,ds:dword ptr[_cachewidth]
|
|
sar eax,19
|
|
jz LIsZero
|
|
imul eax,ebx
|
|
LIsZero:
|
|
add eax,edx
|
|
mov edx,ds:dword ptr[tfracf]
|
|
mov ds:dword ptr[advancetable+4],eax
|
|
add eax,ebx
|
|
shl ebp,13
|
|
mov ds:dword ptr[sstep],ebp
|
|
mov ebx,ds:dword ptr[sfracf]
|
|
shl ecx,13
|
|
mov ds:dword ptr[advancetable],eax
|
|
mov ds:dword ptr[tstep],ecx
|
|
mov ecx,ds:dword ptr[pz]
|
|
mov ebp,ds:dword ptr[izi]
|
|
cmp bp,ds:word ptr[ecx]
|
|
jl Lp1
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp1
|
|
; mov ds:word ptr[ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch1:
|
|
|
|
mov ds:byte ptr[edi],ah
|
|
Lp1:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
cmp bp,ds:word ptr[2+ecx]
|
|
jl Lp2
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp2
|
|
; mov ds:word ptr[2+ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[1+edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch2:
|
|
|
|
mov ds:byte ptr[1+edi],ah
|
|
Lp2:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
cmp bp,ds:word ptr[4+ecx]
|
|
jl Lp3
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp3
|
|
; mov ds:word ptr[4+ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[2+edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch3:
|
|
|
|
mov ds:byte ptr[2+edi],ah
|
|
Lp3:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
cmp bp,ds:word ptr[6+ecx]
|
|
jl Lp4
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp4
|
|
; mov ds:word ptr[6+ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[3+edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch4:
|
|
|
|
mov ds:byte ptr[3+edi],ah
|
|
Lp4:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
cmp bp,ds:word ptr[8+ecx]
|
|
jl Lp5
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp5
|
|
; mov ds:word ptr[8+ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[4+edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch5:
|
|
|
|
mov ds:byte ptr[4+edi],ah
|
|
Lp5:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
pop eax
|
|
cmp eax,8
|
|
ja LSetupNotLast2
|
|
dec eax
|
|
jz LFDIVInFlight2
|
|
mov ds:dword ptr[spancountminus1],eax
|
|
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:
|
|
push eax
|
|
cmp bp,ds:word ptr[10+ecx]
|
|
jl Lp6
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp6
|
|
; mov ds:word ptr[10+ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[5+edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch6:
|
|
|
|
mov ds:byte ptr[5+edi],ah
|
|
Lp6:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
cmp bp,ds:word ptr[12+ecx]
|
|
jl Lp7
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp7
|
|
; mov ds:word ptr[12+ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[6+edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch7:
|
|
|
|
mov ds:byte ptr[6+edi],ah
|
|
Lp7:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
cmp bp,ds:word ptr[14+ecx]
|
|
jl Lp8
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp8
|
|
; mov ds:word ptr[14+ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[7+edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch8:
|
|
|
|
mov ds:byte ptr[7+edi],ah
|
|
Lp8:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
add edi,8
|
|
add ecx,16
|
|
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 ds:dword ptr[pz],ecx
|
|
mov ds:dword ptr[izi],ebp
|
|
pop ecx
|
|
cmp ecx,8
|
|
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 ebx,ds:dword ptr[_tadjust]
|
|
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[spr8Tentryvec_table+ecx*4]
|
|
mov eax,edx
|
|
push ebx
|
|
mov ecx,ebp
|
|
sar ecx,16
|
|
mov ebx,ds:dword ptr[_cachewidth]
|
|
sar edx,16
|
|
jz LIsZeroLast
|
|
imul edx,ebx
|
|
LIsZeroLast:
|
|
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 ds:dword ptr[sstep],ebp
|
|
mov edx,ecx
|
|
mov ecx,ds:dword ptr[pz]
|
|
mov ebp,ds:dword ptr[izi]
|
|
ret
|
|
LNoSteps:
|
|
mov ecx,ds:dword ptr[pz]
|
|
sub edi,7
|
|
sub ecx,14
|
|
jmp LEndSpan
|
|
LOnlyOneStep:
|
|
sub eax,ds:dword ptr[s]
|
|
sub ebx,ds:dword ptr[t]
|
|
mov ebp,eax
|
|
mov edx,ebx
|
|
jmp LSetEntryvec
|
|
public Spr8Entry2_8T
|
|
Spr8Entry2_8T:
|
|
sub edi,6
|
|
sub ecx,12
|
|
mov al,ds:byte ptr[esi]
|
|
jmp LLEntry2_8
|
|
public Spr8Entry3_8T
|
|
Spr8Entry3_8T:
|
|
sub edi,5
|
|
sub ecx,10
|
|
jmp LLEntry3_8
|
|
public Spr8Entry4_8T
|
|
Spr8Entry4_8T:
|
|
sub edi,4
|
|
sub ecx,8
|
|
jmp LLEntry4_8
|
|
public Spr8Entry5_8T
|
|
Spr8Entry5_8T:
|
|
sub edi,3
|
|
sub ecx,6
|
|
jmp LLEntry5_8
|
|
public Spr8Entry6_8T
|
|
Spr8Entry6_8T:
|
|
sub edi,2
|
|
sub ecx,4
|
|
jmp LLEntry6_8
|
|
public Spr8Entry7_8T
|
|
Spr8Entry7_8T:
|
|
dec edi
|
|
sub ecx,2
|
|
jmp LLEntry7_8
|
|
public Spr8Entry8_8T
|
|
Spr8Entry8_8T:
|
|
cmp bp,ds:word ptr[ecx]
|
|
jl Lp9
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp9
|
|
; mov ds:word ptr[ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch9:
|
|
|
|
mov ds:byte ptr[edi],ah
|
|
Lp9:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
LLEntry7_8:
|
|
cmp bp,ds:word ptr[2+ecx]
|
|
jl Lp10
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp10
|
|
; mov ds:word ptr[2+ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[1+edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch10:
|
|
|
|
mov ds:byte ptr[1+edi],ah
|
|
Lp10:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
LLEntry6_8:
|
|
cmp bp,ds:word ptr[4+ecx]
|
|
jl Lp11
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp11
|
|
; mov ds:word ptr[4+ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[2+edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch11:
|
|
|
|
mov ds:byte ptr[2+edi],ah
|
|
Lp11:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
LLEntry5_8:
|
|
cmp bp,ds:word ptr[6+ecx]
|
|
jl Lp12
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp12
|
|
; mov ds:word ptr[6+ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[3+edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch12:
|
|
|
|
mov ds:byte ptr[3+edi],ah
|
|
Lp12:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
LLEntry4_8:
|
|
cmp bp,ds:word ptr[8+ecx]
|
|
jl Lp13
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp13
|
|
; mov ds:word ptr[8+ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[4+edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch13:
|
|
|
|
mov ds:byte ptr[4+edi],ah
|
|
Lp13:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
LLEntry3_8:
|
|
cmp bp,ds:word ptr[10+ecx]
|
|
jl Lp14
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp14
|
|
; mov ds:word ptr[10+ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[5+edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch14:
|
|
|
|
mov ds:byte ptr[5+edi],ah
|
|
Lp14:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
LLEntry2_8:
|
|
cmp bp,ds:word ptr[12+ecx]
|
|
jl Lp15
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp15
|
|
; mov ds:word ptr[12+ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[6+edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch15:
|
|
|
|
mov ds:byte ptr[6+edi],ah
|
|
Lp15:
|
|
add ebp,ds:dword ptr[izistep]
|
|
adc ebp,0
|
|
add edx,ds:dword ptr[tstep]
|
|
sbb eax,eax
|
|
add ebx,ds:dword ptr[sstep]
|
|
adc esi,ds:dword ptr[advancetable+4+eax*4]
|
|
LEndSpan:
|
|
cmp bp,ds:word ptr[14+ecx]
|
|
jl Lp16
|
|
mov ah,ds:byte ptr[esi]
|
|
cmp ah,255
|
|
jz Lp16
|
|
; mov ds:word ptr[14+ecx],bp
|
|
|
|
; trans stuff
|
|
mov al,ds:byte ptr[7+edi]
|
|
and eax, 0ffffh
|
|
mov ah,ds:byte ptr[12345678h + eax]
|
|
TranPatch16:
|
|
|
|
mov ds:byte ptr[7+edi],ah
|
|
Lp16:
|
|
fstp st(0)
|
|
fstp st(0)
|
|
fstp st(0)
|
|
pop ebx
|
|
LNextSpan:
|
|
add ebx,12
|
|
mov ecx,ds:dword ptr[8+ebx]
|
|
cmp ecx,0
|
|
jg LSpanLoop
|
|
jz LNextSpan
|
|
pop ebx
|
|
pop esi
|
|
pop edi
|
|
pop ebp
|
|
ret
|
|
public _D_SpriteSpansEndT
|
|
_D_SpriteSpansEndT:
|
|
_TEXT ENDS
|
|
_DATA SEGMENT
|
|
align 4
|
|
LPatchTable:
|
|
dd TranPatch1-4
|
|
dd TranPatch2-4
|
|
dd TranPatch3-4
|
|
dd TranPatch4-4
|
|
dd TranPatch5-4
|
|
dd TranPatch6-4
|
|
dd TranPatch7-4
|
|
dd TranPatch8-4
|
|
dd TranPatch9-4
|
|
dd TranPatch10-4
|
|
dd TranPatch11-4
|
|
dd TranPatch12-4
|
|
dd TranPatch13-4
|
|
dd TranPatch14-4
|
|
dd TranPatch15-4
|
|
dd TranPatch16-4
|
|
_DATA ENDS
|
|
_TEXT SEGMENT
|
|
align 4
|
|
public _R_TranPatch4
|
|
_R_TranPatch4:
|
|
push ebx
|
|
mov eax,ds:dword ptr[_mainTransTable]
|
|
mov ebx,offset LPatchTable
|
|
mov ecx,16
|
|
LPatchLoop:
|
|
mov edx,ds:dword ptr[ebx]
|
|
add ebx,4
|
|
mov ds:dword ptr[edx],eax
|
|
dec ecx
|
|
jnz LPatchLoop
|
|
pop ebx
|
|
ret
|
|
_TEXT ENDS
|
|
END
|