LVROM vs emulator image alignment

[simoninns]

The emulator is performing odd scaling of the LVROM frame images which is effecting both image quality and alignment within the emulator.

For example; here is the output from the emulator with the original JPG image displayed to the right:

Using frames 31194 and 31195 on Community N or 31164 and 31165 on Community S - these test frames are designed to assist with alignment for a real AIV system:

[rhys101]

committed a change to correct the scaling for the current 640x512 setting (so not quite 4:3 ratio - this will need changing to 640x480)