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In the M68HC11 syntax, the instruction name comes first and it may
be followed by one or several operands (up to three). Operands are
separated by comma (`,'). In the normal mode,
as
will complain if too many operands are specified for
a given instruction. In the MRI mode (turned on with `-M' option),
it will treat them as comments. Example:
inx lda #23 bset 2,x #4 brclr *bot #8 foo |
The following addressing modes are understood:
The number may be omitted in which case 0 is assumed.