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DSP1: Op 02 CX,CY fix, Op 0E fix

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zsknight
2001-04-25 07:04:29 +00:00
parent cdc628efc3
commit 153f865bdf
1 changed files with 26 additions and 2 deletions
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28
zsnes/src/chips/dsp1emu.c
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@@ -445,6 +445,10 @@ double ScreenLY1;
double ScreenLZ1;
int ReversedLES;
short Op02LESb;
double NAzsB,NAasB;
double ViewerXc;
double ViewerYc;
double ViewerZc;
#define VofAngle 0x3880
@@ -479,6 +483,16 @@ DSPOp02()
Op02CX=(short)(Op02CXF=ViewerX+ViewerX1*NumberOfSlope);
Op02CY=(short)(Op02CYF=ViewerY+ViewerY1*NumberOfSlope);
ViewerXc=ViewerX;//-Op02FX);
ViewerYc=ViewerY;//-Op02FY);
ViewerZc=ViewerZ;//-Op02FZ);
NAzsB = (Op02AZS-0x4000)*6.2832/65536.0;
NAasB = Op02AAS*6.2832/65536.0;
Op02CX = (short)(-sin(NAasB)*ViewerZc/(tan(NAzsB))+ViewerXc);
Op02CY = (short)(cos(NAasB)*ViewerZc/(tan(NAzsB))+ViewerYc);
// [4/15/2001] (ViewerX+ViewerX1*NumberOfSlope);
// [4/15/2001] (ViewerY+ViewerY1*NumberOfSlope);
@@ -1022,11 +1036,12 @@ short Op0EH;
short Op0EV;
short Op0EX;
short Op0EY;
double NAzs,NAas;
DSPOp0E()
{
// screen Directions UP
ScreenLZ1=-cos((Op02AZS-16384.0)*6.2832/65536.0); // -16384.0
/* ScreenLZ1=-cos((Op02AZS-16384.0)*6.2832/65536.0); // -16384.0
ScreenLX1=sin((Op02AZS-16384.0)*6.2832/65536.0)*-sin(Op02AAS*6.2832/65536.0);
ScreenLY1=-sin((Op02AZS-16384.0)*6.2832/65536.0)*-cos(-Op02AAS*6.2832/65536.0);
@@ -1057,7 +1072,16 @@ DSPOp0E()
GroundLY=ViewerY+RasterLSlopeY*NumberOfSlope;
Op0EX=(short)GroundLX;
Op0EY=(short)GroundLY;
Op0EY=(short)GroundLY;*/
NAzs = NAzsB - atan((double)Op0EV / (double)Op02LES);
NAas = NAasB + atan((double)Op0EH / (double)Op02LES);
if (tan(NAzs)==0) return;
Op0EX = (short)(-sin(NAas)*ViewerZc/(tan(NAzs))+ViewerXc);
Op0EY = (short)(cos(NAas)*ViewerZc/(tan(NAzs))+ViewerYc);
#ifdef DebugDSP1
Log_Message("OP0E COORDINATE H:%d V:%d",Op0EH,Op0EV);