ref: 91c079724e36fdcf6a8a00262ff12f678ee50a22
dir: /QW/client/d_draw.asm/
.386P .model FLAT externdef _d_zistepu:dword externdef _d_pzbuffer:dword externdef _d_zistepv:dword externdef _d_zrowbytes:dword externdef _d_ziorigin:dword externdef _r_turb_s:dword externdef _r_turb_t:dword externdef _r_turb_pdest:dword externdef _r_turb_spancount:dword externdef _r_turb_turb:dword externdef _r_turb_pbase:dword externdef _r_turb_sstep:dword externdef _r_turb_tstep:dword externdef _r_bmodelactive:dword externdef _d_sdivzstepu:dword externdef _d_tdivzstepu:dword externdef _d_sdivzstepv:dword externdef _d_tdivzstepv:dword externdef _d_sdivzorigin:dword externdef _d_tdivzorigin:dword externdef _sadjust:dword externdef _tadjust:dword externdef _bbextents:dword externdef _bbextentt:dword externdef _cacheblock:dword externdef _d_viewbuffer:dword externdef _cachewidth:dword externdef _d_pzbuffer:dword externdef _d_zrowbytes:dword externdef _d_zwidth:dword externdef _d_scantable:dword externdef _r_lightptr:dword externdef _r_numvblocks:dword externdef _prowdestbase:dword externdef _pbasesource:dword externdef _r_lightwidth:dword externdef _lightright:dword externdef _lightrightstep:dword externdef _lightdeltastep:dword externdef _lightdelta:dword externdef _lightright:dword externdef _lightdelta:dword externdef _sourcetstep:dword externdef _surfrowbytes:dword externdef _lightrightstep:dword externdef _lightdeltastep:dword externdef _r_sourcemax:dword externdef _r_stepback:dword externdef _colormap:dword externdef _blocksize:dword externdef _sourcesstep:dword externdef _lightleft:dword externdef _blockdivshift:dword externdef _blockdivmask:dword externdef _lightleftstep:dword externdef _r_origin:dword externdef _r_ppn:dword externdef _r_pup:dword externdef _r_pright:dword externdef _ycenter:dword externdef _xcenter:dword externdef _d_vrectbottom_particle:dword externdef _d_vrectright_particle:dword externdef _d_vrecty:dword externdef _d_vrectx:dword externdef _d_pix_shift:dword externdef _d_pix_min:dword externdef _d_pix_max:dword externdef _d_y_aspect_shift:dword externdef _screenwidth:dword externdef _vright:dword externdef _vup:dword externdef _vpn:dword externdef _BOPS_Error:dword externdef _snd_scaletable:dword externdef _paintbuffer:dword externdef _snd_linear_count:dword externdef _snd_p:dword externdef _snd_vol:dword externdef _snd_out:dword externdef _r_leftclipped:dword externdef _r_leftenter:dword externdef _r_rightclipped:dword externdef _r_rightenter:dword externdef _modelorg:dword externdef _xscale:dword externdef _r_refdef:dword externdef _yscale:dword externdef _r_leftexit:dword externdef _r_rightexit:dword externdef _r_lastvertvalid:dword externdef _cacheoffset:dword externdef _newedges:dword externdef _removeedges:dword externdef _r_pedge:dword externdef _r_framecount:dword externdef _r_u1:dword externdef _r_emitted:dword externdef _edge_p:dword externdef _surface_p:dword externdef _surfaces:dword externdef _r_lzi1:dword externdef _r_v1:dword externdef _r_ceilv1:dword externdef _r_nearzi:dword externdef _r_nearzionly:dword externdef _edge_aftertail:dword externdef _edge_tail:dword externdef _current_iv:dword externdef _edge_head_u_shift20:dword externdef _span_p:dword externdef _edge_head:dword externdef _fv:dword externdef _edge_tail_u_shift20:dword externdef _r_apverts:dword externdef _r_anumverts:dword externdef _aliastransform:dword externdef _r_avertexnormals:dword externdef _r_plightvec:dword externdef _r_ambientlight:dword externdef _r_shadelight:dword externdef _aliasxcenter:dword externdef _aliasycenter:dword externdef _a_sstepxfrac:dword externdef _r_affinetridesc:dword externdef _acolormap:dword externdef _d_pcolormap:dword externdef _r_affinetridesc:dword externdef _d_sfrac:dword externdef _d_ptex:dword externdef _d_pedgespanpackage:dword externdef _d_tfrac:dword externdef _d_light:dword externdef _d_zi:dword externdef _d_pdest:dword externdef _d_pz:dword externdef _d_aspancount:dword externdef _erroradjustup:dword externdef _errorterm:dword externdef _d_xdenom:dword externdef _r_p0:dword externdef _r_p1:dword externdef _r_p2:dword externdef _a_tstepxfrac:dword externdef _r_sstepx:dword externdef _r_tstepx:dword externdef _a_ststepxwhole:dword externdef _zspantable:dword externdef _skintable:dword externdef _r_zistepx:dword externdef _erroradjustdown:dword externdef _d_countextrastep:dword externdef _ubasestep:dword externdef _a_ststepxwhole:dword externdef _a_tstepxfrac:dword externdef _r_lstepx:dword externdef _a_spans:dword externdef _erroradjustdown:dword externdef _d_pdestextrastep:dword externdef _d_pzextrastep:dword externdef _d_sfracextrastep:dword externdef _d_ptexextrastep:dword externdef _d_countextrastep:dword externdef _d_tfracextrastep:dword externdef _d_lightextrastep:dword externdef _d_ziextrastep:dword externdef _d_pdestbasestep:dword externdef _d_pzbasestep:dword externdef _d_sfracbasestep:dword externdef _d_ptexbasestep:dword externdef _ubasestep:dword externdef _d_tfracbasestep:dword externdef _d_lightbasestep:dword externdef _d_zibasestep:dword externdef _zspantable:dword externdef _r_lstepy:dword externdef _r_sstepy:dword externdef _r_tstepy:dword externdef _r_zistepy:dword externdef _D_PolysetSetEdgeTable:dword externdef _D_RasterizeAliasPolySmooth:dword externdef float_point5:dword externdef Float2ToThe31nd:dword externdef izistep:dword externdef izi:dword externdef FloatMinus2ToThe31nd:dword externdef float_1:dword externdef float_particle_z_clip:dword externdef float_minus_1:dword externdef float_0:dword externdef fp_16:dword externdef fp_64k:dword externdef fp_1m:dword externdef fp_1m_minus_1:dword externdef fp_8:dword externdef entryvec_table:dword externdef advancetable:dword externdef sstep:dword externdef tstep:dword externdef pspantemp:dword externdef counttemp:dword externdef jumptemp:dword externdef reciprocal_table:dword externdef DP_Count:dword externdef DP_u:dword externdef DP_v:dword externdef DP_32768:dword externdef DP_Color:dword externdef DP_Pix:dword externdef DP_EntryTable:dword externdef pbase:dword externdef s:dword externdef t:dword externdef sfracf:dword externdef tfracf:dword externdef snext:dword externdef tnext:dword externdef spancountminus1:dword externdef zi16stepu:dword externdef sdivz16stepu:dword externdef tdivz16stepu:dword externdef zi8stepu:dword externdef sdivz8stepu:dword externdef tdivz8stepu:dword externdef reciprocal_table_16:dword externdef entryvec_table_16:dword externdef ceil_cw:dword externdef single_cw:dword externdef fp_64kx64k:dword externdef pz:dword externdef spr8entryvec_table:dword _TEXT SEGMENT LClampHigh0: mov esi,ds:dword ptr[_bbextents] jmp LClampReentry0 LClampHighOrLow0: jg LClampHigh0 xor esi,esi jmp LClampReentry0 LClampHigh1: mov edx,ds:dword ptr[_bbextentt] jmp LClampReentry1 LClampHighOrLow1: jg LClampHigh1 xor edx,edx jmp LClampReentry1 LClampLow2: mov ebp,2048 jmp LClampReentry2 LClampHigh2: mov ebp,ds:dword ptr[_bbextents] jmp LClampReentry2 LClampLow3: mov ecx,2048 jmp LClampReentry3 LClampHigh3: mov ecx,ds:dword ptr[_bbextentt] jmp LClampReentry3 LClampLow4: mov eax,2048 jmp LClampReentry4 LClampHigh4: mov eax,ds:dword ptr[_bbextents] jmp LClampReentry4 LClampLow5: mov ebx,2048 jmp LClampReentry5 LClampHigh5: mov ebx,ds:dword ptr[_bbextentt] jmp LClampReentry5 align 4 public _D_DrawSpans8 _D_DrawSpans8: push ebp push edi push esi push ebx fld ds:dword ptr[_d_sdivzstepu] fmul ds:dword ptr[fp_8] mov edx,ds:dword ptr[_cacheblock] fld ds:dword ptr[_d_tdivzstepu] fmul ds:dword ptr[fp_8] mov ebx,ds:dword ptr[4+16+esp] fld ds:dword ptr[_d_zistepu] fmul ds:dword ptr[fp_8] mov ds:dword ptr[pbase],edx fstp ds:dword ptr[zi8stepu] fstp ds:dword ptr[tdivz8stepu] fstp ds:dword ptr[sdivz8stepu] LSpanLoop: fild ds:dword ptr[4+ebx] fild ds:dword ptr[0+ebx] fld st(1) fmul ds:dword ptr[_d_sdivzstepv] fld st(1) fmul ds:dword ptr[_d_sdivzstepu] fld st(2) fmul ds:dword ptr[_d_tdivzstepu] fxch st(1) faddp st(2),st(0) fxch st(1) fld st(3) fmul ds:dword ptr[_d_tdivzstepv] fxch st(1) fadd ds:dword ptr[_d_sdivzorigin] fxch st(4) fmul ds:dword ptr[_d_zistepv] fxch st(1) faddp st(2),st(0) fxch st(2) fmul ds:dword ptr[_d_zistepu] fxch st(1) fadd ds:dword ptr[_d_tdivzorigin] fxch st(2) faddp st(1),st(0) fld ds:dword ptr[fp_64k] fxch st(1) fadd ds:dword ptr[_d_ziorigin] fdiv st(1),st(0) mov ecx,ds:dword ptr[_d_viewbuffer] mov eax,ds:dword ptr[4+ebx] mov ds:dword ptr[pspantemp],ebx mov edx,ds:dword ptr[_tadjust] mov esi,ds:dword ptr[_sadjust] mov edi,ds:dword ptr[_d_scantable+eax*4] add edi,ecx mov ecx,ds:dword ptr[0+ebx] add edi,ecx mov ecx,ds:dword ptr[8+ebx] cmp ecx,8 ja LSetupNotLast1 dec ecx jz LCleanup1 mov ds:dword ptr[spancountminus1],ecx fxch st(1) fld st(0) fmul st(0),st(4) fxch st(1) fmul st(0),st(3) fxch st(1) fistp ds:dword ptr[s] fistp ds:dword ptr[t] fild ds:dword ptr[spancountminus1] fld ds:dword ptr[_d_tdivzstepu] fld ds:dword ptr[_d_zistepu] fmul st(0),st(2) fxch st(1) fmul st(0),st(2) fxch st(2) fmul ds:dword ptr[_d_sdivzstepu] fxch st(1) faddp st(3),st(0) fxch st(1) faddp st(3),st(0) faddp st(3),st(0) fld ds:dword ptr[fp_64k] fdiv st(0),st(1) jmp LFDIVInFlight1 LCleanup1: fxch st(1) fld st(0) fmul st(0),st(4) fxch st(1) fmul st(0),st(3) fxch st(1) fistp ds:dword ptr[s] fistp ds:dword ptr[t] jmp LFDIVInFlight1 align 4 LSetupNotLast1: fxch st(1) fld st(0) fmul st(0),st(4) fxch st(1) fmul st(0),st(3) fxch st(1) fistp ds:dword ptr[s] fistp ds:dword ptr[t] 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) LFDIVInFlight1: add esi,ds:dword ptr[s] add edx,ds:dword ptr[t] mov ebx,ds:dword ptr[_bbextents] mov ebp,ds:dword ptr[_bbextentt] cmp esi,ebx ja LClampHighOrLow0 LClampReentry0: mov ds:dword ptr[s],esi mov ebx,ds:dword ptr[pbase] shl esi,16 cmp edx,ebp mov ds:dword ptr[sfracf],esi ja LClampHighOrLow1 LClampReentry1: mov ds:dword ptr[t],edx mov esi,ds:dword ptr[s] shl edx,16 mov eax,ds:dword ptr[t] sar esi,16 mov ds:dword ptr[tfracf],edx sar eax,16 mov edx,ds:dword ptr[_cachewidth] imul eax,edx add esi,ebx add esi,eax cmp ecx,8 jna LLastSegment LNotLastSegment: 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 eax,ds:dword ptr[snext] mov edx,ds:dword ptr[tnext] mov bl,ds:byte ptr[esi] sub ecx,8 mov ebp,ds:dword ptr[_sadjust] mov ds:dword ptr[counttemp],ecx mov ecx,ds:dword ptr[_tadjust] mov ds:byte ptr[edi],bl add ebp,eax 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 eax,19 jz LZero sar edx,19 mov ebx,ds:dword ptr[_cachewidth] imul eax,ebx jmp LSetUp1 LZero: sar edx,19 mov ebx,ds:dword ptr[_cachewidth] 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