[Simh] IBM System/32 emulator

Al Kossow aek at bitsavers.org
Tue Mar 4 09:11:06 EST 2014


On 3/4/14 12:46 AM, h.j.stegeman at hccnet.nl wrote:

> The S/32 has two storages:
>
> - Control Storage:
> This storage is 4 kiloword large and contains micro-instructions for the S/3
> instruction set emulator and the IOS. (The S/32 CPU is hardwired, not
> micro-coded)
> These micro-instructions have all a fixed length of 16 bits.
>

Have you been able to successfully extract the microcode records from a S/32 IPL or diagnostic floppy?

I noticed that the first track is very different, with very long sectors compared to the
rest of the disk.






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