Limit gui hooks to only every 1/10 second of emulated time
src/gui/gui.c

More video WIP - displays _something_ now, at least...
src/drivers/video_gtk.c
src/drivers/video_x11.c
src/drivers/video_x11.h
src/pvr2/pvr2.c
src/pvr2/pvr2.h
src/pvr2/pvr2mmio.h
src/pvr2/render.c
src/pvr2/ta.c
src/pvr2/texcache.c

Make sure subfunctions are initted
Fix stupid sign bug in texcache
src/pvr2/pvr2.c
src/pvr2/texcache.c

Move driver selection out to main at long last. Add video NULL driver for
headless operation
Make dcload exit() actually exit
src/Makefile.am
src/Makefile.in
src/aica/aica.c
src/aica/audio.c
src/aica/audio.h
src/dcload.c
src/drivers/audio_esd.c
src/drivers/audio_null.c
src/drivers/video_gtk.c
src/drivers/video_null.c
...

Add elf loader suppt
src/loader.c
src/main.c

Remove call-slot-delay on syscall
ensure dreamcast_stop on error conditions for the time being
src/sh4/sh4core.c

More rendering work in progress. Almost there now...
src/Makefile.am
src/Makefile.in
src/drivers/gl_glx.c
src/drivers/video_gtk.c
src/drivers/video_x11.c
src/pvr2/pvr2.c
src/pvr2/pvr2.h
src/pvr2/pvr2mmio.h
src/pvr2/render.c
src/pvr2/ta.c
...

Refactor bios into more generic syscall structure. Add initial hooks for
dc-load functions
src/bios.c
src/bios.h
src/dcload.c
src/sh4/sh4core.c
src/syscall.c
src/syscall.h

Add sh4addr_t type, need to start propagating it instead of uint32_t
src/mem.h

Split pvr2.c out to separate files for TA and renderer, minor renames
change pvrdma to use mem_copy_to_sh4
src/Makefile.am
src/Makefile.in
src/asic.c
src/pvr2/pvr2.c
src/pvr2/pvr2.h
src/pvr2/render.c
src/pvr2/ta.c
src/sh4/sh4mem.c