16 Jul
2007
16 Jul
'07
9:14 p.m.
Dave McGuire wrote:
Oh, of course there has, it's just not readily
visible in the
mainstream. People keep buying computers built around processors that
implement a worn-out 1970s-era architecture that wasn't even
particularly good when it was new.
Well I am buiding a byte ( 12 bits ) serial von newman achitecture
CPU(1) and what new features can I add from todays architecture?
My design is for single user, single process since it is rather
slow. .8 us memory access time. Short(12) & ints(24) are the only data
types suported.
-Dave
--Dave McGuire
Port Charlotte, FL
(1)
I(ndex)/A(c) reg (zero/pc),SP,IX,IT,A,B,C,BP
O(p) St,ld,and,or,xor,add,sub,misc
M(ode) Quick (#0-7),Control,r++ word,r++ byte,
index short word,index byte word, index long word,index long byte
opcode 12 bits Op,Ac,Mode,Index