Modifying microcode

[Antonio Carlini]

On 02/06/18 15:17, allison via cctech wrote:
>
> It was my understanding from using the 730 that there was limited
> (really limited) microcode
> enough to load the WCS as the tu58 was a serial device (standard tu58)
> and the 730 had to
> unpack and stuff the WCS.  You need little to do that but far from even
> PDP11 instruction set.
> The Microcode was loaded was the "what made it a VAX stuff".
>
> Allison
>

Well something has to load the ucode but whether that's a fixed part of 
ucode itself or whether
it's a hardware state machine (or something) that feeds the loaded ucode 
into the appropriate
RAM, I don't know. I've never delved that deeply into the relevant FMP sets.

Antonio


-- 
Antonio Carlini
arcarlini at iee.org