
CHANGES SINCE VERSION 1.1:

    Added ".assert" pseudo-op.

    Added ".if" ".else" ".endif".

    Constant expressions (instead of literal constants) allowed
    as arguments to ".hibit" and ".expand".

CHANGES SINCE VERSION 1.0:

    Added 65c02 instructions and addressing modes. Command line
    options -6502 and -65c02 added; the default is -65c02. Thanks
    to David Empson (dempson@actrix.gen.nz) for sending me docs
    on the 65c02.

    When you equate a label to a constant value, the lower 16 bits
    of that value are displayed at the left in the assembly listing.

    Added ".assert" pseudo-op.

    The ".space" pseudo-op now allows negative values.

    Constant expressions (instead of literal constants) allowed
    as arguments to ".align", ".zero" and ".space".

    Added BVS opcode which was left out.

    The ".align" pseudo-op works corrctly for non-powers-of-two.

    Removed some unused duplicated code from emit.c.

