- Tweak and fix typo in operations table
- Restructure encoding section a little, add more information about
condition codes
- Specify condition code structure in instruction encoding figure
- Tweak addressing mode notation
- Add a little more to intro paragraph
- Rephrase some address mode descriptions
- Rephrase registers and condition execution sections a little
- Use italics instead of bold for emphasis
- Add more information about Z register
- Remove '?' from condition code suffix