[cctalk] Re: Making sense of VAXstation 100 ROMs

2023-02-07 Thread Lars Brinkhoff via cctalk
Paul Koning wrote: > Given 16 bit wide ROMs, I would expect the microcode width to be > rounded up to a multiple of that, so 64 bits, which means the expected > ROM size is 64k bits. That matches two of the ROMs you mentioned. I don't know if they are 16 bits wide. The two 68000 ROMs are 8 bit w

[cctalk] Re: Making sense of VAXstation 100 ROMs

2023-02-07 Thread Paul Koning via cctalk
Given 16 bit wide ROMs, I would expect the microcode width to be rounded up to a multiple of that, so 64 bits, which means the expected ROM size is 64k bits. That matches two of the ROMs you mentioned. paul > On Feb 7, 2023, at 12:25 PM, Lars Brinkhoff via cctalk > wrote: > > Hello,