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m2dotpro.cc
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m2dotpro.cc
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#if !defined(NO_FPU_CONTROL)
#include <fpu_control.h>
#endif
#include "cc.h"
//;/*
//.486
//.model flat
//LOCALS
//data32 SEGMENT PAGE
//;.data
//fpucw dw ?
//oldfpucw dw ?
//oh_low dd ?
//co_low dd ?
//co_hi dd ?
//align 32
static uint32_t pMV2Camera;
static uint32_t ppMV2Dot3DPos;
static uint32_t dwNumDots;
static float fCameraX;
static float fCameraY;
static float fCameraZ;
static float fCameraFX;
static float fCameraFY;
static float fCameraFZ;
static float fCameraRX;
static float fCameraRY;
static float fCameraRZ;
static float fCameraDX;
static float fCameraDY;
static float fCameraDZ;
static uint32_t dwClipXmin;
static uint32_t dwClipYmin;
static uint32_t dwClipXmax;
static uint32_t dwClipYmax;
static uint32_t dwXmax;
static uint32_t dwYmax;
static float fXmax;
static float fYmax;
static float fXmaxDiv2;
static float fYmaxDiv2;
static float fScreenFactor;
const static float fAspectRatio = 1.333333333f;
const static float fNum_1 = 1.0f;
const static float fNum_01 = 0.1f;
//fNum_05 dd 0.5
//fNum_10Exp_10 dd 0.0000000001
const static float fNum_2Exp20 = 1048576.0f;
//fTemp dd ?
static uint32_t lTemp;
//wTemp dw ?
//align 4
//bTemp db ?
//align 4
//ends
//.code
#include "m2struct.inc.h"
extern "C" void MESEtoMV2Dot3DPosProjectionASM(uint32_t _pMV2Camera, uint32_t _ppMV2Dot3DPos, uint32_t _dwNumDots) {
float fpu_reg10, fpu_reg11, fpu_reg12, fpu_reg13, fpu_reg14, fpu_reg15, fpu_reg16, fpu_reg17, fpu_reg18;
uint32_t eax, edx, ecx, edi, ebx, esi, ebp;
#if !defined(NO_FPU_CONTROL)
fpu_control_t oldcw;
{
fpu_control_t cw;
_FPU_GETCW(oldcw);
#if defined(__i386__)
cw = oldcw & ~((_FPU_RC_NEAREST | _FPU_RC_DOWN | _FPU_RC_UP | _FPU_RC_ZERO) | (_FPU_EXTENDED | _FPU_DOUBLE | _FPU_SINGLE));
cw |= (_FPU_RC_UP | _FPU_SINGLE);
#elif defined(__arm__)
cw = oldcw & ~(0x00C00000);
cw |= (0x00400000);
/*
0b00 - Round to Nearest (RN) mode
0b01 - Round towards Plus Infinity (RP) mode
0b10 - Round towards Minus Infinity (RM) mode
0b11 - Round towards Zero (RZ) mode.
*/
#else
todo
#endif
_FPU_SETCW(cw);
}
#endif
#if 0
//;****
// fstcw oldfpucw
// mov ax,oldfpucw
// and eax,0fcffh
// and eax,0fbffh
// or eax,00800h
// mov fpucw,ax
// fldcw fpucw
//;****
#endif
eax = _pMV2Camera;
ebx = _ppMV2Dot3DPos;
ecx = _dwNumDots;
pMV2Camera = eax;
ppMV2Dot3DPos = ebx;
dwNumDots = ecx;
esi = pMV2Camera;
eax = ( ((CMV2Camera *)esi)->CMV2Camera__m_iXmax );
ebx = ( ((CMV2Camera *)esi)->CMV2Camera__m_iYmax );
dwXmax = eax;
dwYmax = ebx;
fpu_reg10 = ( (int32_t)dwXmax );
fpu_reg11 = ( (int32_t)dwYmax );
fYmax = fpu_reg11;
fXmax = fpu_reg10;
eax = eax >> ( 1 );
ebx = ebx >> ( 1 );
lTemp = eax;
fpu_reg10 = ( (int32_t)lTemp );
fXmaxDiv2 = fpu_reg10;
lTemp = ebx;
fpu_reg10 = ( (int32_t)lTemp );
fYmaxDiv2 = fpu_reg10;
eax = ( ((CMV2Camera *)esi)->CMV2Camera__m_iClipXmin );
ebx = ( ((CMV2Camera *)esi)->CMV2Camera__m_iClipXmax );
ecx = ( ((CMV2Camera *)esi)->CMV2Camera__m_iClipYmin );
edx = ( ((CMV2Camera *)esi)->CMV2Camera__m_iClipYmax );
eax = eax + 1; // wegen des clippings
ecx = ecx + 1;
dwClipXmin = eax;
dwClipXmax = ebx;
dwClipYmin = ecx;
dwClipYmax = edx;
fCameraX = ((CMV2Camera *)esi)->CMV2Camera__m_Pos__m_fX;
fCameraY = ((CMV2Camera *)esi)->CMV2Camera__m_Pos__m_fY;
fCameraZ = ((CMV2Camera *)esi)->CMV2Camera__m_Pos__m_fZ;
fCameraFX = ((CMV2Camera *)esi)->CMV2Camera__m_Front__m_fX;
fCameraFY = ((CMV2Camera *)esi)->CMV2Camera__m_Front__m_fY;
fCameraFZ = ((CMV2Camera *)esi)->CMV2Camera__m_Front__m_fZ;
fpu_reg10 = 1.0f;
fScreenFactor = fpu_reg10;
// fld ds:[esi].CMV2Camera__m_fScreenFactor
fpu_reg10 = fScreenFactor;
fpu_reg11 = ( ((CMV2Camera *)esi)->CMV2Camera__m_Right__m_fX );
fpu_reg11 = fpu_reg11 * fpu_reg10;
//st0 = CameraRX*ScreenFactor, st1 = ScreenFactor
fpu_reg12 = ( ((CMV2Camera *)esi)->CMV2Camera__m_Right__m_fY );
fpu_reg12 = fpu_reg12 * fpu_reg10;
fpu_reg13 = ( ((CMV2Camera *)esi)->CMV2Camera__m_Right__m_fZ );
fpu_reg13 = fpu_reg13 * fpu_reg10;
//st0 = CameraRZ*ScreenFactor, st1 = CameraRY*ScreenFactor
//st2 = CameraRX*ScreenFactor, st3 = ScreenFactor
fpu_reg14 = ( ((CMV2Camera *)esi)->CMV2Camera__m_Down__m_fX );
fpu_reg14 = fpu_reg14 * fpu_reg10;
fpu_reg15 = ( ((CMV2Camera *)esi)->CMV2Camera__m_Down__m_fY );
fpu_reg15 = fpu_reg15 * fpu_reg10;
fpu_reg16 = ( ((CMV2Camera *)esi)->CMV2Camera__m_Down__m_fZ );
fpu_reg16 = fpu_reg16 * fpu_reg10;
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg16; fpu_reg16 = tmp; }
//st0 = CameraDX*ScreenFactor, st1 = CameraDY*ScreenFactor
//st2 = CameraDZ*ScreenFactor, st3 = CameraRZ*ScreenFactor
//st4 = CameraRY*ScreenFactor, st5 = CameraRX*ScreenFactor
//st6 = ScreenFactor
fCameraDX = fpu_reg16;
fCameraDY = fpu_reg15;
fCameraDZ = fpu_reg14;
fCameraRZ = fpu_reg13;
fCameraRY = fpu_reg12;
fCameraRX = fpu_reg11;
//ffree st(0)
edx = ppMV2Dot3DPos;
ebp = dwNumDots;
edi = ( *((uint32_t *)(edx)) );
MESEtoMV2Dot3DPosProjectionASM_DotLoop:
fpu_reg10 = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_Pos__m_fX );
// fsub fCameraX
//st0 = VectorX
fpu_reg11 = fCameraFX;
fpu_reg11 = fpu_reg11 * fpu_reg10;
//st0 = fCameraFX*VectorX, st1 = VectorX
fpu_reg12 = fCameraRX;
fpu_reg12 = fpu_reg12 * fpu_reg10;
//st0 = fCameraRX*VectorX, st1 = fCameraFX*VectorX
//st2 = VectorX
fpu_reg13 = fCameraDX;
fpu_reg13 = fpu_reg13 * fpu_reg10;
// fpu_reg10 = 0.0f;
//st0 = fCameraDX*VectorX, st1 = fCameraRX*VectorX
//st2 = fCameraFX*VectorX
fpu_reg14 = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_Pos__m_fY );
// fsub fCameraY
//st0 = VectorY, st1 = fCameraDX*VectorX
//st2 = fCameraRX*VectorX, st3 = fCameraFX*VectorX
fpu_reg15 = fCameraFY;
fpu_reg15 = fpu_reg15 * fpu_reg14;
//st0 = fCameraFY*VectorY, st1 = VectorY
//st1 = fCameraDX*VectorX
//st2 = fCameraRX*VectorX, st3 = fCameraFX*VectorX
fpu_reg16 = fCameraRY;
fpu_reg16 = fpu_reg16 * fpu_reg14;
//st0 = fCameraRY*VectorY, st1 = fCameraFY*VectorY
//st2 = VectorY, st3 = fCameraDX*VectorX
//st4 = fCameraRX*VectorX, st5 = fCameraFX*VectorX
fpu_reg17 = fCameraDY;
fpu_reg17 = fpu_reg17 * fpu_reg14;
{ float tmp = fpu_reg15; fpu_reg15 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = fCameraFY*VectorY, st1 = fCameraRY*VectorY
//st2 = fCameraDY*VectorY, st3 = VectorY
//st4 = fCameraDX*VectorX
//st5 = fCameraRX*VectorX, st6 = fCameraFX*VectorX
fpu_reg11 = fpu_reg11 + fpu_reg17;
//st0 = fCameraRY*VectorY, st1 = fCameraDY*VectorY
//st2 = VectorY, st3 = fCameraDX*VectorX
//st4 = fCameraRX*VectorX
//st5 = fCameraFX*VectorX + fCameraFY*VectorY
fpu_reg12 = fpu_reg12 + fpu_reg16;
//st0 = fCameraDY*VectorY
//st1 = VectorY, st2 = fCameraDX*VectorX
//st3 = fCameraRX*VectorX + fCameraRY*VectorY
//st4 = fCameraFX*VectorX + fCameraFY*VectorY
fpu_reg13 = fpu_reg13 + fpu_reg15;
{ float tmp = fpu_reg11; fpu_reg11 = fpu_reg14; fpu_reg14 = tmp; }
// fpu_reg11 = 0.0f;
//st0 = fCameraFX*VectorX + fCameraFY*VectorY
//st1 = fCameraDX*VectorX + fCameraDY*VectorY
//st2 = fCameraRX*VectorX + fCameraRY*VectorY
fpu_reg15 = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_Pos__m_fZ );
// fsub fCameraZ
//st0 = VectorZ
//st1 = fCameraFX*VectorX + fCameraFY*VectorY
//st2 = fCameraDX*VectorX + fCameraDY*VectorY
//st3 = fCameraRX*VectorX + fCameraRY*VectorY
fpu_reg16 = fCameraFZ;
fpu_reg16 = fpu_reg16 * fpu_reg15;
//st0 = fCameraZ*VectorZ, st1 = VectorZ
//st2 = fCameraFX*VectorX + fCameraFY*VectorY
//st3 = fCameraDX*VectorX + fCameraDY*VectorY
//st4 = fCameraRX*VectorX + fCameraRY*VectorY
fpu_reg17 = fCameraRZ;
fpu_reg17 = fpu_reg17 * fpu_reg15;
//st0 = fCameraRZ*VectorZ, st1 = fCameraFZ*VectorZ
//st2 = VectorZ
//st3 = fCameraFX*VectorX + fCameraFY*VectorY
//st4 = fCameraDX*VectorX + fCameraDY*VectorY
//st5 = fCameraRX*VectorX + fCameraRY*VectorY
fpu_reg18 = fCameraDZ;
fpu_reg18 = fpu_reg18 * fpu_reg15;
{ float tmp = fpu_reg16; fpu_reg16 = fpu_reg18; fpu_reg18 = tmp; }
//st0 = fCameraFZ*VectorZ, st1 = fCameraRZ*VectorZ
//st2 = fCameraDZ*VectorZ, st3 = VectorZ
//st4 = fCameraFX*VectorX + fCameraFY*VectorY
//st5 = fCameraDX*VectorX + fCameraDY*VectorY
//st6 = fCameraRX*VectorX + fCameraRY*VectorY
fpu_reg14 = fpu_reg14 + fpu_reg18;
//st0 = fCameraRZ*VectorZ
//st1 = fCameraDZ*VectorZ, st2 = VectorZ
//st3 = fProjectionF
//st4 = fCameraDX*VectorX + fCameraDY*VectorY
//st5 = fCameraRX*VectorX + fCameraRY*VectorY
fpu_reg12 = fpu_reg12 + fpu_reg17;
//st0 = fCameraDZ*VectorZ, st1 = VectorZ
//st2 = fProjectionF, st3 = fCameraRX*VectorX + fCameraRY*VectorY
//st4 = fProjectionD
fpu_reg13 = fpu_reg13 + fpu_reg16;
//st0 = VectorZ
//st1 = fProjectionF = ZNew, st2 = fProjectionD = YNew
//st3 = fProjectionR = XNew
//ffree st(0)
//fincstp
//st0 = fProjectionF = ZNew, st1 = fProjectionD = YNew
//st2 = fProjectionR = XNew
fpu_reg14 = fpu_reg14 + fCameraZ;
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg13; fpu_reg13 = tmp; }
fpu_reg14 = fpu_reg14 + fCameraY;
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg13; fpu_reg13 = tmp; }
{ float tmp = fpu_reg12; fpu_reg12 = fpu_reg14; fpu_reg14 = tmp; }
fpu_reg14 = fpu_reg14 + fCameraX;
{ float tmp = fpu_reg12; fpu_reg12 = fpu_reg14; fpu_reg14 = tmp; }
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg13; fpu_reg13 = tmp; }
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_TransfPos__m_fY = fpu_reg14;
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg13; fpu_reg13 = tmp; }
{ float tmp = fpu_reg12; fpu_reg12 = fpu_reg14; fpu_reg14 = tmp; }
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_TransfPos__m_fX = fpu_reg14;
{ float tmp = fpu_reg12; fpu_reg12 = fpu_reg14; fpu_reg14 = tmp; }
eax = (eax & 0xffff0000) | ((fpu_reg14 < fNum_01)?0x100:0); // tasm 3.0 bug (= fstsw)
eax = eax & ( 0x0100 ); // sahf
// ClippingFlag
// Bit0 = xmin, Bit1 = xmax
// Bit2 = ymin, Bit3 = ymax
// Bit8 = zmin, (Bit9 = zmax)
// zmin, zmax, ymin, ymax, xmin, xmax
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_TransfPos__m_fZ = fpu_reg14;
fpu_reg14 = fabsf(fpu_reg14);
fpu_reg15 = 1.0f;
fpu_reg14 = fpu_reg15 / fpu_reg14;
//st0 = 1/fProjectionF, st1 = fProjectionR
//st2 = fProjectionD
//MESEtoMV2Dot3DPosProjectionASM_NoZClipping:
ecx = eax;
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fZNewRZP = fpu_reg14;
fpu_reg12 = fpu_reg12 * fpu_reg14;
fpu_reg13 = fpu_reg13 * fpu_reg14;
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
//st0 = fProjectionR/fProjectionF
//st1 = fProjectionD/fProjectionF
// fadd fXmaxDiv2
// fxch
// fadd fYmaxDiv2
// fxch
fpu_reg13 = fpu_reg13 + fNum_1;
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
fpu_reg13 = fpu_reg13 + fNum_1;
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
fpu_reg13 = fpu_reg13 * fXmaxDiv2;
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
fpu_reg13 = fpu_reg13 * fYmaxDiv2;
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_iScreenX = (int32_t)ceilf(fpu_reg13);
edx = edx + ( 4 );
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_iScreenY = (int32_t)ceilf(fpu_reg13);
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
fpu_reg13 = fpu_reg13 * fNum_2Exp20;
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
fpu_reg14 = fpu_reg13;
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fScreenY = fpu_reg14;
{ float tmp = fpu_reg12; fpu_reg12 = fpu_reg14; fpu_reg14 = tmp; }
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fScreenX = fpu_reg14;
fpu_reg13 = ceilf(fpu_reg13);
eax = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_iScreenX );
ebx = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_iScreenY );
fpu_reg13 = fpu_reg13 - fpu_reg12; // muss noch ueberprueft werden
// (optimierung)
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fScreenYError = fpu_reg13;
//ffree st(0)
if (( (int32_t)eax ) >= ( (int32_t)dwClipXmin )) goto MESEtoMV2Dot3DPosProjectionASM_NotUnderXmin;
ecx = ecx | ( 1 );
MESEtoMV2Dot3DPosProjectionASM_NotUnderXmin:
if (( (int32_t)eax ) <= ( (int32_t)dwClipXmax )) goto MESEtoMV2Dot3DPosProjectionASM_NotAboveXmax; // jnge
ecx = ecx | ( 2 );
MESEtoMV2Dot3DPosProjectionASM_NotAboveXmax:
if (( (int32_t)ebx ) >= ( (int32_t)dwClipYmin )) goto MESEtoMV2Dot3DPosProjectionASM_NotUnderYmin;
ecx = ecx | ( 4 );
MESEtoMV2Dot3DPosProjectionASM_NotUnderYmin:
if (( (int32_t)ebx ) <= ( (int32_t)dwClipYmax )) goto MESEtoMV2Dot3DPosProjectionASM_NotAboveYmax; // jnge
ecx = ecx | ( 8 );
MESEtoMV2Dot3DPosProjectionASM_NotAboveYmax:
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_iClipFlag = ecx;
edi = ( *((uint32_t *)(edx)) );
ebp = ( (int32_t)ebp ) - 1;
if (( (int32_t)ebp ) != 0) goto MESEtoMV2Dot3DPosProjectionASM_DotLoop;
#if !defined(NO_FPU_CONTROL)
{
_FPU_SETCW(oldcw);
}
#endif
#if 0
// fldcw oldfpucw
#endif
return;
}
extern "C" void MV2Dot3DPosProjectionASM(uint32_t _pMV2Camera, uint32_t _ppMV2Dot3DPos, uint32_t _dwNumDots) {
float fpu_reg10, fpu_reg11, fpu_reg12, fpu_reg13, fpu_reg14, fpu_reg15, fpu_reg16, fpu_reg17, fpu_reg18;
uint32_t eax, edx, ecx, edi, ebx, esi, ebp;
#if !defined(NO_FPU_CONTROL)
fpu_control_t oldcw;
{
fpu_control_t cw;
_FPU_GETCW(oldcw);
#if defined(__i386__)
cw = oldcw & ~((_FPU_RC_NEAREST | _FPU_RC_DOWN | _FPU_RC_UP | _FPU_RC_ZERO) | (_FPU_EXTENDED | _FPU_DOUBLE | _FPU_SINGLE));
cw |= (_FPU_RC_UP | _FPU_SINGLE);
#elif defined(__arm__)
cw = oldcw & ~(0x00C00000);
cw |= (0x00400000);
/*
0b00 - Round to Nearest (RN) mode
0b01 - Round towards Plus Infinity (RP) mode
0b10 - Round towards Minus Infinity (RM) mode
0b11 - Round towards Zero (RZ) mode.
*/
#else
todo
#endif
_FPU_SETCW(cw);
}
#endif
#if 0
//;****
// fstcw oldfpucw
// mov ax,oldfpucw
// and eax,0fcffh
// and eax,0fbffh
// or eax,00800h
// mov fpucw,ax
// fldcw fpucw
//;****
#endif
eax = _pMV2Camera;
ebx = _ppMV2Dot3DPos;
ecx = _dwNumDots;
pMV2Camera = eax;
ppMV2Dot3DPos = ebx;
dwNumDots = ecx;
esi = pMV2Camera;
eax = ( ((CMV2Camera *)esi)->CMV2Camera__m_iXmax );
ebx = ( ((CMV2Camera *)esi)->CMV2Camera__m_iYmax );
dwXmax = eax;
dwYmax = ebx;
fpu_reg10 = ( (int32_t)dwXmax );
fpu_reg11 = ( (int32_t)dwYmax );
fYmax = fpu_reg11;
fXmax = fpu_reg10;
eax = eax >> ( 1 );
ebx = ebx >> ( 1 );
lTemp = eax;
fpu_reg10 = ( (int32_t)lTemp );
fXmaxDiv2 = fpu_reg10;
lTemp = ebx;
fpu_reg10 = ( (int32_t)lTemp );
fYmaxDiv2 = fpu_reg10;
eax = ( ((CMV2Camera *)esi)->CMV2Camera__m_iClipXmin );
ebx = ( ((CMV2Camera *)esi)->CMV2Camera__m_iClipXmax );
ecx = ( ((CMV2Camera *)esi)->CMV2Camera__m_iClipYmin );
edx = ( ((CMV2Camera *)esi)->CMV2Camera__m_iClipYmax );
eax = eax + 1; // wegen des clippings
ecx = ecx + 1;
dwClipXmin = eax;
dwClipXmax = ebx;
dwClipYmin = ecx;
dwClipYmax = edx;
fCameraX = ((CMV2Camera *)esi)->CMV2Camera__m_Pos__m_fX;
fCameraY = ((CMV2Camera *)esi)->CMV2Camera__m_Pos__m_fY;
fCameraZ = ((CMV2Camera *)esi)->CMV2Camera__m_Pos__m_fZ;
fCameraFX = ((CMV2Camera *)esi)->CMV2Camera__m_Front__m_fX;
fCameraFY = ((CMV2Camera *)esi)->CMV2Camera__m_Front__m_fY;
fCameraFZ = ((CMV2Camera *)esi)->CMV2Camera__m_Front__m_fZ;
fpu_reg10 = fAspectRatio;
fpu_reg11 = ( ((CMV2Camera *)esi)->CMV2Camera__m_Right__m_fX );
//st0 = CameraRX, st1 = AspectRatio
fpu_reg12 = ( ((CMV2Camera *)esi)->CMV2Camera__m_Right__m_fY );
fpu_reg13 = ( ((CMV2Camera *)esi)->CMV2Camera__m_Right__m_fZ );
//st0 = CameraRZ, st1 = CameraRY
//st2 = CameraRX, st3 = AspectRatio
fpu_reg14 = ( ((CMV2Camera *)esi)->CMV2Camera__m_Down__m_fX );
fpu_reg14 = fpu_reg14 * fpu_reg10;
fpu_reg15 = ( ((CMV2Camera *)esi)->CMV2Camera__m_Down__m_fY );
fpu_reg15 = fpu_reg15 * fpu_reg10;
fpu_reg16 = ( ((CMV2Camera *)esi)->CMV2Camera__m_Down__m_fZ );
fpu_reg16 = fpu_reg16 * fpu_reg10;
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg16; fpu_reg16 = tmp; }
//st0 = CameraDX*AspectRatio, st1 = CameraDY
//st2 = CameraDZ*AspectRatio, st3 = CameraRZ
//st4 = CameraRY*AspectRatio, st5 = CameraRX
//st6 = AspectRatio
fCameraDX = fpu_reg16;
fCameraDY = fpu_reg15;
fCameraDZ = fpu_reg14;
fCameraRZ = fpu_reg13;
fCameraRY = fpu_reg12;
fCameraRX = fpu_reg11;
//ffree st(0)
edx = ppMV2Dot3DPos;
ebp = dwNumDots;
edi = ( *((uint32_t *)(edx)) );
MV2Dot3DPosProjectionASM_DotLoop:
fpu_reg10 = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_Pos__m_fX );
fpu_reg10 = fpu_reg10 - fCameraX;
//st0 = VectorX
fpu_reg11 = fCameraFX;
fpu_reg11 = fpu_reg11 * fpu_reg10;
//st0 = fCameraFX*VectorX, st1 = VectorX
fpu_reg12 = fCameraRX;
fpu_reg12 = fpu_reg12 * fpu_reg10;
//st0 = fCameraRX*VectorX, st1 = fCameraFX*VectorX
//st2 = VectorX
fpu_reg13 = fCameraDX;
fpu_reg13 = fpu_reg13 * fpu_reg10;
// fpu_reg10 = 0.0f;
//st0 = fCameraDX*VectorX, st1 = fCameraRX*VectorX
//st2 = fCameraFX*VectorX
fpu_reg14 = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_Pos__m_fY );
fpu_reg14 = fpu_reg14 - fCameraY;
//st0 = VectorY, st1 = fCameraDX*VectorX
//st2 = fCameraRX*VectorX, st3 = fCameraFX*VectorX
fpu_reg15 = fCameraFY;
fpu_reg15 = fpu_reg15 * fpu_reg14;
//st0 = fCameraFY*VectorY, st1 = VectorY
//st1 = fCameraDX*VectorX
//st2 = fCameraRX*VectorX, st3 = fCameraFX*VectorX
fpu_reg16 = fCameraRY;
fpu_reg16 = fpu_reg16 * fpu_reg14;
//st0 = fCameraRY*VectorY, st1 = fCameraFY*VectorY
//st2 = VectorY, st3 = fCameraDX*VectorX
//st4 = fCameraRX*VectorX, st5 = fCameraFX*VectorX
fpu_reg17 = fCameraDY;
fpu_reg17 = fpu_reg17 * fpu_reg14;
{ float tmp = fpu_reg15; fpu_reg15 = fpu_reg17; fpu_reg17 = tmp; }
//st0 = fCameraFY*VectorY, st1 = fCameraRY*VectorY
//st2 = fCameraDY*VectorY, st3 = VectorY
//st4 = fCameraDX*VectorX
//st5 = fCameraRX*VectorX, st6 = fCameraFX*VectorX
fpu_reg11 = fpu_reg11 + fpu_reg17;
//st0 = fCameraRY*VectorY, st1 = fCameraDY*VectorY
//st2 = VectorY, st3 = fCameraDX*VectorX
//st4 = fCameraRX*VectorX
//st5 = fCameraFX*VectorX + fCameraFY*VectorY
fpu_reg12 = fpu_reg12 + fpu_reg16;
//st0 = fCameraDY*VectorY
//st1 = VectorY, st2 = fCameraDX*VectorX
//st3 = fCameraRX*VectorX + fCameraRY*VectorY
//st4 = fCameraFX*VectorX + fCameraFY*VectorY
fpu_reg13 = fpu_reg13 + fpu_reg15;
{ float tmp = fpu_reg11; fpu_reg11 = fpu_reg14; fpu_reg14 = tmp; }
// fpu_reg11 = 0.0f;
//st0 = fCameraFX*VectorX + fCameraFY*VectorY
//st1 = fCameraDX*VectorX + fCameraDY*VectorY
//st2 = fCameraRX*VectorX + fCameraRY*VectorY
fpu_reg15 = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_Pos__m_fZ );
fpu_reg15 = fpu_reg15 - fCameraZ;
//st0 = VectorZ
//st1 = fCameraFX*VectorX + fCameraFY*VectorY
//st2 = fCameraDX*VectorX + fCameraDY*VectorY
//st3 = fCameraRX*VectorX + fCameraRY*VectorY
fpu_reg16 = fCameraFZ;
fpu_reg16 = fpu_reg16 * fpu_reg15;
//st0 = fCameraZ*VectorZ, st1 = VectorZ
//st2 = fCameraFX*VectorX + fCameraFY*VectorY
//st3 = fCameraDX*VectorX + fCameraDY*VectorY
//st4 = fCameraRX*VectorX + fCameraRY*VectorY
fpu_reg17 = fCameraRZ;
fpu_reg17 = fpu_reg17 * fpu_reg15;
//st0 = fCameraRZ*VectorZ, st1 = fCameraFZ*VectorZ
//st2 = VectorZ
//st3 = fCameraFX*VectorX + fCameraFY*VectorY
//st4 = fCameraDX*VectorX + fCameraDY*VectorY
//st5 = fCameraRX*VectorX + fCameraRY*VectorY
fpu_reg18 = fCameraDZ;
fpu_reg18 = fpu_reg18 * fpu_reg15;
{ float tmp = fpu_reg16; fpu_reg16 = fpu_reg18; fpu_reg18 = tmp; }
//st0 = fCameraFZ*VectorZ, st1 = fCameraRZ*VectorZ
//st2 = fCameraDZ*VectorZ, st3 = VectorZ
//st4 = fCameraFX*VectorX + fCameraFY*VectorY
//st5 = fCameraDX*VectorX + fCameraDY*VectorY
//st6 = fCameraRX*VectorX + fCameraRY*VectorY
fpu_reg14 = fpu_reg14 + fpu_reg18;
//st0 = fCameraRZ*VectorZ
//st1 = fCameraDZ*VectorZ, st2 = VectorZ
//st3 = fProjectionF
//st4 = fCameraDX*VectorX + fCameraDY*VectorY
//st5 = fCameraRX*VectorX + fCameraRY*VectorY
fpu_reg12 = fpu_reg12 + fpu_reg17;
//st0 = fCameraDZ*VectorZ, st1 = VectorZ
//st2 = fProjectionF, st3 = fCameraRX*VectorX + fCameraRY*VectorY
//st4 = fProjectionD
fpu_reg13 = fpu_reg13 + fpu_reg16;
//st0 = VectorZ
//st1 = fProjectionF = ZNew, st2 = fProjectionD = YNew
//st3 = fProjectionR = XNew
//ffree st(0)
//fincstp
//st0 = fProjectionF = ZNew, st1 = fProjectionD = YNew
//st2 = fProjectionR = XNew
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg13; fpu_reg13 = tmp; }
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_TransfPos__m_fY = fpu_reg14;
{ float tmp = fpu_reg14; fpu_reg14 = fpu_reg13; fpu_reg13 = tmp; }
{ float tmp = fpu_reg12; fpu_reg12 = fpu_reg14; fpu_reg14 = tmp; }
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_TransfPos__m_fX = fpu_reg14;
{ float tmp = fpu_reg12; fpu_reg12 = fpu_reg14; fpu_reg14 = tmp; }
eax = (eax & 0xffff0000) | ((fpu_reg14 < fNum_01)?0x100:0); // tasm 3.0 bug (= fstsw)
eax = eax & ( 0x0100 ); // sahf
// ClippingFlag
// Bit0 = xmin, Bit1 = xmax
// Bit2 = ymin, Bit3 = ymax
// Bit8 = zmin, (Bit9 = zmax)
// zmin, zmax, ymin, ymax, xmin, xmax
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_TransfPos__m_fZ = fpu_reg14;
fpu_reg14 = fabsf(fpu_reg14);
fpu_reg15 = 1.0f;
fpu_reg14 = fpu_reg15 / fpu_reg14;
//st0 = 1/fProjectionF, st1 = fProjectionR
//st2 = fProjectionD
ecx = eax;
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fZNewRZP = fpu_reg14;
fpu_reg12 = fpu_reg12 * fpu_reg14;
fpu_reg13 = fpu_reg13 * fpu_reg14;
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
//st0 = fProjectionR/fProjectionF
//st1 = fProjectionD/fProjectionF
// fadd fXmaxDiv2
// fxch
// fadd fYmaxDiv2
// fxch
fpu_reg13 = fpu_reg13 + fNum_1;
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
fpu_reg13 = fpu_reg13 + fNum_1;
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
fpu_reg13 = fpu_reg13 * fXmaxDiv2;
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
fpu_reg13 = fpu_reg13 * fYmaxDiv2;
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_iScreenX = (int32_t)ceilf(fpu_reg13);
edx = edx + ( 4 );
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_iScreenY = (int32_t)ceilf(fpu_reg13);
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
fpu_reg13 = fpu_reg13 * fNum_2Exp20;
{ float tmp = fpu_reg13; fpu_reg13 = fpu_reg12; fpu_reg12 = tmp; }
fpu_reg14 = fpu_reg13;
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fScreenY = fpu_reg14;
{ float tmp = fpu_reg12; fpu_reg12 = fpu_reg14; fpu_reg14 = tmp; }
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fScreenX = fpu_reg14;
fpu_reg13 = ceilf(fpu_reg13);
eax = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_iScreenX );
ebx = ( ((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_iScreenY );
fpu_reg13 = fpu_reg13 - fpu_reg12; // muss noch ueberprueft werden
// (optimierung)
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_fScreenYError = fpu_reg13;
//ffree st(0)
if (( (int32_t)eax ) >= ( (int32_t)dwClipXmin )) goto MV2Dot3DPosProjectionASM_NotUnderXmin;
ecx = ecx | ( 1 );
MV2Dot3DPosProjectionASM_NotUnderXmin:
if (( (int32_t)eax ) <= ( (int32_t)dwClipXmax )) goto MV2Dot3DPosProjectionASM_NotAboveXmax; // jnge
ecx = ecx | ( 2 );
MV2Dot3DPosProjectionASM_NotAboveXmax:
if (( (int32_t)ebx ) >= ( (int32_t)dwClipYmin )) goto MV2Dot3DPosProjectionASM_NotUnderYmin;
ecx = ecx | ( 4 );
MV2Dot3DPosProjectionASM_NotUnderYmin:
if (( (int32_t)ebx ) <= ( (int32_t)dwClipYmax )) goto MV2Dot3DPosProjectionASM_NotAboveYmax; // jnge
ecx = ecx | ( 8 );
MV2Dot3DPosProjectionASM_NotAboveYmax:
((CMV2Dot3DPos *)edi)->CMV2Dot3DPos__m_iClipFlag = ecx;
edi = ( *((uint32_t *)(edx)) );
ebp = ( (int32_t)ebp ) - 1;
if (( (int32_t)ebp ) != 0) goto MV2Dot3DPosProjectionASM_DotLoop;
#if !defined(NO_FPU_CONTROL)
{
_FPU_SETCW(oldcw);
}
#endif
#if 0
// fldcw oldfpucw
#endif
return;
}