Add convenience xlat_dump_block for debugger use
src/x86dasm/x86dasm.c

Fix out-of-tree generation of mac_keymap.h
src/Makefile.am
src/Makefile.in
src/drivers/video_osx.m

make distcheck fixes
po/POTFILES.in
test/Makefile.in

Gendec tweaks
- add more useful command line help + long options
- add action checks for missing or empty rules
src/tools/gendec.c

Add missing SUBV instruction to the emulation core (translation core is ok),
along with test cases. Thanks to D. Jeff Dionne for pointing this out.
src/sh4/sh4core.in
test/Makefile.in
test/sh4/subv.s
test/sh4/testsh4.c

Fix test/Makefile.in for case where mkdir_p is configured as $(mkinstalldirs)
test/Makefile.in

Fix compile-time warnings
src/drivers/serial_unix.c
src/drivers/video_null.c
src/gdbserver.c
src/main.c
src/serial.h

Skip drawing the frame when using the null driver - some GL implementations
crash otherwise
src/pvr2/pvr2.c

Change default serial output to /dev/tty rather than /dev/console
src/drivers/serial_unix.c

Fix SCIF operation
- status updates weren't being written back to the register (oops)
- slice cycle not updated on partial tick execution
- baudrate computation was always 0
src/sh4/scif.c