Philips mini computers

Christian Corti cc at informatik.uni-stuttgart.de
Mon Oct 28 03:37:45 CDT 2019


On Sat, 26 Oct 2019, nico de jong wrote:
>> As for documentation I have the CPU (only) technical manual for the P850,
>> the 2 volumes of schematics for the P851 and the preliminary manual (alas
>> without the microcode source) for the P854. Some other schematics for
>> things like the P854's PSU, the 4 channel serial port, floppy disk system, 
>> etc.
[...]
> In order to test things, I've developped a simulator and assembler for the 
> P857, although without floating point and I/O processor, as I have no 
> documentation for that, so maybe I can harvest something from the documents 
> you have. Are the mailable, or do you need to scan them first?

I have the P856M/P857M service manual online (actually for 11 years now ;-) )
It's the first hit from Google if you search for it.
This manual includes detailed description of the CPU, including the I/O 
processor (appendix B), the MMU (appendix C) and the FPP (appendix D).

Christian


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