Date : Fri, 09 May 1986 19:15:19 GMT
From : kim%mips.uucp@BRL.ARPA
Subject: Re: V20 emulates 8080 (Re: z80 devel on ibm (&clones))
>>> I am in a situaion where I need to develop code on an IBM-PC but the
>>> debugged code is going to run on a custom Z80 board. I am interested
>>> in any information relating to the following :
>>> 1. Z80 or CP/M cards on IBM-PC.
>>> Alex Hwang
>>The cheapest solution is to replace your 8088 with the NEC V20 chip.
>>Besides having a superset of the 8088 instruction set it has an internal
>>z80 emulator, allowing direct running of z80 software.
>Correction: The V20 can only emulate an Intel 8080, not a full Z80 instruction
Quite true! Rumor has it though that NEC *is* coming out with a Vxx chip
that *will* emulate the Z-80 instruction-set. I dunno if NEC has made any
public statements about this, but you might give 'em a call and talk to one
of their application engineers, etc.
DDD: 408-720-1700 x231
USPS: MIPS Computer Systems Inc, 930 E. Arques Av, Sunnyvale, CA 94086