AMD bit-slice machines

[e.stiebler]

woodelf wrote:
> e.stiebler wrote:
> 
>>
>> What about very simple 16 bit risc ?
>> 4 bit opcode, 4 bit destination , 4  bit source 1, 4 bit source 2 ?
> 
> 
> That is a simple design. Still any bitslice design is a muilti-board design
> so for me,  a more powerful CPU  is larger word length than 16 bits.
> 20 bits does have two advantages in hindsight.  1) Good small computer
> adddress range. 2) reasonable integer size -512k...512k

So just go for the 24 bits, like some Motorola DSP's,
Or just go the whole way to the 32 and make a VAX ;-)
(8 x 2901, now you have a multi board design, and enough heat )

(the idea of 36 bits I write in the next email ;-) )