21 Mar
2002
21 Mar
'02
3:04 p.m.
John Chris Wren wrote:
The reason for that is generally memory. The Apple II monitor had a nice
little one built in, and it was a work of art, as far as the opcode
compression and decoding table went. One time (many years ago), I stripped
that portion out of the Apple monitor for another personal project. You
could do the same. It wasn't very difficult to do, just a bit of typing.
The 6502 has a very simple and regular instruction set that is easy to
encode.
What is 805x controler like?
> The 805x microcontrollers have been around since
the mid-80's,
> yet I've never
> seen a monitor program for them with a "quick-and-dirty" line-by-line
> assembler in it as many of the debuggers for the MOT monitors
> have. Do any of
> you guys have a source file of a line-by-line assembler for the
> 805x series
> that can easily be adapted for inclusion in a monitor?
Lets not forget a version of basic for the apple was all hand coded with
no real source?
--
Ben Franchuk - Dawn * 12/24 bit cpu *
www.jetnet.ab.ca/users/bfranchuk/index.html