Improve FRQCR register handling slightly (recognize the PLLEN1 flag)
src/sh4/sh4mmio.h
src/sh4/timer.c

Implement packet command 10h drive status
src/gdrom/ide.c
src/gdrom/ide.h
src/gdrom/packet.h

Implement write-back with the hscaler enabled
src/drivers/gl_fbo.c
src/pvr2/pvr2mem.c

Completely untested render-to-texture work in progress
src/pvr2/glrender.c
src/pvr2/pvr2.c
src/pvr2/pvr2.h
src/pvr2/pvr2mem.c
src/pvr2/texcache.c

Initial impl of the alternate PVR DMA channel
src/asic.c
src/asic.h

Add general gl_window_to_system_coords function to convert window system coordinates
back into something in the DC range of 640x480, update mouse events to use it
src/drivers/video_gl.c
src/drivers/video_gl.h
src/drivers/video_osx.c
src/gtkui/gtk_win.c

Fix set_grab thinko
src/gtkui/gtkui.c

Add GTK controller page for the lightgun
src/gtkui/gtk_ctrl.c

As long as we've broken save-state compatibility anyway, remove the two FIXME
padding words, and bump the version number
src/dreamcast.h
src/pvr2/pvr2.c
src/sh4/sh4.h

Add lightgun support
src/Makefile.am
src/Makefile.in
src/display.h
src/drivers/video_osx.c
src/eventq.h
src/gtkui/gtk_win.c
src/maple/controller.c
src/maple/lightgun.c
src/maple/maple.c
src/maple/maple.h
...