4 # CPU4: PUSH #4/#8 has to be encoded using the long form
8 # CPU11: The SR flags can be left in a bogus state after writing to the PC
9 # Instructions that do not set the SR flags are unaffected.
14 #CPU12: A CMP or BIT instruction with the PC as the second operand may
15 # not execute the instruction after it - so a NOP must be inserted.
19 #CPU19: Instructions that sets CPUOFF must be followed by a NOP