S3 ViRGE changes:

Added a timer to improve perfomance of the 3D engine.
Made the Trio3D/2X available for all.
Reserved bit 2 of CR33 is now always set to make sure Win95's Trio3d/2X drivers work along with a workaround for the memory size.
Added preliminary DMA bus master capabilities.

src/win/Makefile.mingw

@@ -72,9 +72,6 @@ ifeq ($(DEV_BUILD), y)
  ifndef PS2M70T4
   PS2M70T4	:= y
  endif
- ifndef S3TRIO3D2X
-  S3TRIO3D2X	:= y
- endif
  ifndef SIO_DETECT
   SIO_DETECT	:= y
  endif
@@ -145,9 +142,6 @@ else
  ifndef PS2M70T4
   PS2M70T4	:= n
  endif
- ifndef S3TRIO3D2X
-  S3TRIO3D2X	:= n
- endif
  ifndef SIO_DETECT
   SIO_DETECT	:= n
  endif
@@ -557,10 +551,6 @@ ifeq ($(PS2M70T4), y)
 OPTS		+= -DUSE_PS2M70T4
 endif
 
-ifeq ($(S3TRIO3D2X), y)
-OPTS		+= -DUSE_S3TRIO3D2X
-endif
-
 ifeq ($(SIO_DETECT), y)
 OPTS		+= -DUSE_SIO_DETECT
 DEVBROBJ	+= sio_detect.o