Fab Agon Emulator 0.9.69

Changes since 0.9.64:

• Enough i2c emulation to not hang MOS applications attemping to read/write to i2c
• Console8 MOS 2.3.1
• Many HostFS error code fixes by @stevesims
• Windows startup crash fix

Changes since 0.9.60:

• VDP-side wait for vsync fixed
• HostFS support for MOS f_truncate call (MOS 2.3+)
• Improved handling of on-screen keyboard input events (--osk command line option)

Note that the "Source code (zip) and (tar.gz)" that GitHub generates does not include git submodules -- which makes it useless. Don't use those links. If you want to build from source, git clone this repo :)