assembler, disassembler for Intel 8089?

Chuck Guzis cclist at
Fri Sep 25 00:41:45 CDT 2015

On 09/24/2015 08:53 PM, Eric Smith wrote:

> Yes, though the syntax for the addressing modes would have to be
> non-standard, unless the macro assembler had really good string
> mangling capabilities for macro arguments.  Same general problem as
> trying to define macros to assemble for the 6502, which has
> addressing modes like "(FOO)", "(FOO,X)" and "(FOO),Y", where the
> parenthesis, comma, and "X" or "Y" are all part of the addressing
> mode designation. A typical macro assembler will force the "Y" in the
> third example to be a separate macro argument, unless some form of
> argument quoting is used, and most assemblers will automatically
> evaluate the parenthesized expression and discard the parenthesis,
> again, unless some quoting is used.

Hmmm, I thought ASM89 used brackets for indicating addressing modes. 
Regardless, take a look at Microsoft ML assembler (6.xx) macros.  You 
can indeed manipulate arguments character-by-character.


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