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Date   : Sun, 09 Apr 1989 07:24:53 GMT
From   : mcvax!unido!cosmo!fifi%cosmo.UUCP@uunet.uu.net (A.F.Zinser)
Subject: New Processor Rumours

In article <> I2040401@DBSTU1.BITNET (Ulf Gruene) writes:
>   - It is fully software compatible with the Z80.
That's right, if you only use the official Z80-instruction-set,
but who does. If you use the SLIA (shift left inverted arithmetic)
as I do, you get into a conflict, because this instruction-
sequence means TSET (Z280). And this difference is even mentioned
by Zilog in it's own Z280 Technical Manual (see Appendix A)!
>
>Z800 some years ago. It is not the same as the Z180 (= HD64180)
>which has only a few new instructions.
Unfortunately the instruction-sets of Z180 and Z280 are so much
different, that you can't use a Z180-assembler to create Z280-
opcode...

Does anybody on the net know about a Z280-assembler (or a
pre-assembler to use an existing Z80-assembler)?

+-------------------------------------------------------------------------+
|                      _     _                                            !
! Axel F. Zinser    (_!_) (_!_)    ...uunet!mcvax!unido!cosmo!fifi        |
| Hannover, BRD       !     !                      fifi@cosmo.UUCP        !
!                                                                         !
+-------------------------------------------------------------------------+


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