16 Jun
2015
16 Jun
'15
7:56 a.m.
On Jun 16, 2015, at 2:49 AM, ben <bfranchuk at
jetnet.ab.ca> wrote:
If you?re looking at 1960s designs, you should be fine even if the machine had wider
words. By the standards of that era, any modern computer (probably including the one in
your microwave oven) is *large*. For example, the THE OS memory footprint is about 16k
words (48k bytes), and that includes not just what we think of as a kernel but also all
the device drivers and a bunch of language support library code. Other designs from that
era are smaller still.
paul
...
Since the computer I designed is a *small* computer, 8 & 16 bit operating
systems is what I am looking at for ideas. This is a 18 bit cpu with the concept, byte
access of memory needs true 18 bit addressing
and 16 bits is bit small for general 1970's data. Think of it as a something like a 9
bit 6800 cpu.