diff options
Diffstat (limited to 'source/dsp1emu.c')
| -rw-r--r-- | source/dsp1emu.c | 31 |
1 files changed, 5 insertions, 26 deletions
diff --git a/source/dsp1emu.c b/source/dsp1emu.c index 2905b6b..3999d5d 100644 --- a/source/dsp1emu.c +++ b/source/dsp1emu.c @@ -1,19 +1,4 @@ -//Copyright (C) 1997-2001 ZSNES Team ( zsknight@zsnes.com / _demo_@zsnes.com ) -// -//This program is free software; you can redistribute it and/or -//modify it under the terms of the GNU General Public License -//as published by the Free Software Foundation; either -//version 2 of the License, or (at your option) any later -//version. -// -//This program is distributed in the hope that it will be useful, -//but WITHOUT ANY WARRANTY; without even the implied warranty of -//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -//GNU General Public License for more details. -// -//You should have received a copy of the GNU General Public License -//along with this program; if not, write to the Free Software -//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +#include "../copyright" #include <stdio.h> #include <stdarg.h> @@ -698,15 +683,12 @@ void DSPOp06() // rotate around Z tanval2 = Angle(-Op02AAS + 32768); - // tanval2 = (-Op02AAS+32768)/(65536/INCR); ObjPX1 = (ObjPX * Cos(tanval2) + ObjPY * -Sin(tanval2)); ObjPY1 = (ObjPX * Sin(tanval2) + ObjPY * Cos(tanval2)); ObjPZ1 = ObjPZ; // rotate around X - // tanval2 = (-Op02AZS/(65536/INCR)) & 1023; tanval2 = Angle(-Op02AZS); - // tanval2 = (-Op02AZS)/256; ObjPX2 = ObjPX1; ObjPY2 = (ObjPY1 * Cos(tanval2) + ObjPZ1 * -Sin(tanval2)); ObjPZ2 = (ObjPY1 * Sin(tanval2) + ObjPZ1 * Cos(tanval2)); @@ -716,8 +698,8 @@ void DSPOp06() if (ObjPZ2 < 0) { double d; - Op06H = (int16_t)(-ObjPX2 * Op02LES / -(ObjPZ2)); //-ObjPX2*256/-ObjPZ2; - Op06V = (int16_t)(-ObjPY2 * Op02LES / -(ObjPZ2)); //-ObjPY2*256/-ObjPZ2; + Op06H = (int16_t)(-ObjPX2 * Op02LES / -(ObjPZ2)); + Op06V = (int16_t)(-ObjPY2 * Op02LES / -(ObjPZ2)); d = (double)Op02LES; d *= 256.0; d /= (-ObjPZ2); @@ -726,8 +708,6 @@ void DSPOp06() else if (d < 0.0) d = 0.0; Op06S = (uint16_t)d; - //Op06S=(uint16_t)(256*(double)Op02LES/-ObjPZ2); - //Op06S=(uint16_t)((double)(256.0*((double)Op02LES)/(-ObjPZ2))); } else { @@ -762,8 +742,8 @@ void DSPOp06() if (ObjPZ2 < 0) { - Op06H = (int16_t)(-ObjPX2 * Op02LES / -(ObjPZ2)); //-ObjPX2*256/-ObjPZ2; - Op06V = (int16_t)(-ObjPY2 * Op02LES / -(ObjPZ2)); //-ObjPY2*256/-ObjPZ2; + Op06H = (int16_t)(-ObjPX2 * Op02LES / -(ObjPZ2)); + Op06V = (int16_t)(-ObjPY2 * Op02LES / -(ObjPZ2)); double d = (double)Op02LES; d *= 256.0; d /= (-ObjPZ2); @@ -772,7 +752,6 @@ void DSPOp06() else if (d < 0.0) d = 0.0; Op06S = (uint16_t)d; - // Op06S=(uint16_t)(256*(double)Op02LES/-ObjPZ2); } else { |