uCsim issue with huc6280
[r16843]
[ucsim-mos6502] Fix #4068 uCsim issue with huc6280
[ucsim-pblaze] Fix var types
[ucsim] Fix some typos
[ucsim-docs] Doc updates
[ucsim-docs] Update and small fixes
[ucsim-6809] Apply #505 ucsim/m6809: STY stored S and STS stored Y (register select inverted)