Re: Hardware emulation of 6509 using 6502?

From: Michał Pleban <*lists_at_michau.name*> Date: Mon, 16 Jul 2018 14:46:36 +0200 Message-ID: <5B4C93AC.4000804@michau.name> · lists_at_michau.name

Jim Brain wrote:

> I have revised the PCB design (v4) to support the NMOS 6502, the CMOS
> 65C02(S), and the WDC W65C816S CPU.  A jumper on the PCB configures the
> CPLD for proper operation.

So, does the Rockwell 65C02 work with it now?

> All pins except for the SO pin and the PHI2 OUT pins are mapped.  I am
> checking the schematics to see if those pins need to be mapped.

These pins are on the expansion connector, so I suppose they should be
mapped. In fact, I was just thinking of using the SO input for fast data
transmission between 8088 and 6509 :-)

Regards,
Michau.