[vba-commit] VisualBoyAdvance/src bios.cpp,1.15,1.16

[Pokemonhacker <pok...@us...>]

Update of /cvsroot/vba/VisualBoyAdvance/src
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv1641

Modified Files:
	bios.cpp 
Log Message:
- Fixed Arctan2.

Index: bios.cpp
===================================================================
RCS file: /cvsroot/vba/VisualBoyAdvance/src/bios.cpp,v
retrieving revision 1.15
retrieving revision 1.16
diff -C2 -d -r1.15 -r1.16
*** bios.cpp	18 Nov 2004 01:18:36 -0000	1.15
--- bios.cpp	7 Jun 2005 10:19:26 -0000	1.16
***************
*** 101,114 ****
  #endif
    
!   s16 x = reg[0].I;
!   s16 y = reg[1].I;
!   s16 res = 0;
    if (y == 0) {
!     res = 0x8000 & x;
    } else {
      if (x == 0) {
!       res = (0x8000 & y) + 0x4000;
      } else {
!       if (abs(x) > abs(y)) {
          reg[1].I = x;
          reg[0].I = y << 14;
--- 101,114 ----
  #endif
    
!   s32 x = reg[0].I;
!   s32 y = reg[1].I;
!   u32 res = 0;
    if (y == 0) {
!     res = ((x>>16) & 0x8000);
    } else {
      if (x == 0) {
!       res = ((y>>16) & 0x8000) + 0x4000;
      } else {
! 		if ((abs(x) > abs(y)) || ((abs(x) == abs(y)) && (!((x<0) && (y<0))))) {
          reg[1].I = x;
          reg[0].I = y << 14;
***************
*** 118,131 ****
            res = 0x8000 + reg[0].I;
          else
!           res = ((y & 0x8000) << 1 ) + reg[0].I;
        } else {
          reg[0].I = x << 14;
          BIOS_Div();
          BIOS_ArcTan();
!         res = (0x4000 + (y & 0x8000)) - reg[0].I;
        }
      }
    }
!   reg[0].I = ((u32)res) & 0xffff;
    
  #ifdef DEV_VERSION
--- 118,131 ----
            res = 0x8000 + reg[0].I;
          else
!           res = (((y>>16) & 0x8000)<<1) + reg[0].I;
        } else {
          reg[0].I = x << 14;
          BIOS_Div();
          BIOS_ArcTan();
!         res = (0x4000 + ((y>>16) & 0x8000)) - reg[0].I;
        }
      }
    }
!   reg[0].I = res;
    
  #ifdef DEV_VERSION
***************
*** 135,139 ****
    }
  #endif
! } 
  
  void BIOS_BitUnPack()
--- 135,139 ----
    }
  #endif
! }  
  
  void BIOS_BitUnPack()