Boolean Algebra with "dont cares" | | 01/01/70 00:00 |
I do not fully get your applicatiojn, but | | 01/01/70 00:00 |
Let me explain | | 01/01/70 00:00 |
Karnaugh Mapping | | 01/01/70 00:00 |
longer? | | 01/01/70 00:00 |
8 times is longer? | | 01/01/70 00:00 |
I explained it | | 01/01/70 00:00 |
a square wheel is not that easy to make, is it? | | 01/01/70 00:00 |
Do you understand Karnaugh Mapping? | | 01/01/70 00:00 |
theres a very old program called espresso | | 01/01/70 00:00 |
also remember logic minimisation | | 01/01/70 00:00 |
Don't Cares | | 01/01/70 00:00 |
I don't think he needs an RS232 receiver | | 01/01/70 00:00 |
Well spotted | | 01/01/70 00:00 |
Deja Vu | | 01/01/70 00:00 |
Everything old is new again! | | 01/01/70 00:00 |
For the paranoid... | | 01/01/70 00:00 |
I have made my decision | | 01/01/70 00:00 |
depending... | | 01/01/70 00:00 |
yes and yes | | 01/01/70 00:00 |
DPTR initialized | | 01/01/70 00:00 |
... | | 01/01/70 00:00 |
fewest number of chips | | 01/01/70 00:00 |
You can do it with TWO chips. | | 01/01/70 00:00 |
You keep saying that! | | 01/01/70 00:00 |
Well ... he's on a crusade now ... let him be | | 01/01/70 00:00 |
ok | | 01/01/70 00:00 |
Common approach | | 01/01/70 00:00 |
I have a different idea | | 01/01/70 00:00 |
that square wheel will get you in the ditch in 5 m | | 01/01/70 00:00 |
No Sync -- The Same | | 01/01/70 00:00 |
but | | 01/01/70 00:00 |
thanks to Mr. Gates, that will not work | | 01/01/70 00:00 |
at least I try. | | 01/01/70 00:00 |
driving your car into a tree also "can be done" | | 01/01/70 00:00 |
... | | 01/01/70 00:00 |
I would never pay for something with 47 chips wher | | 01/01/70 00:00 |
well anyroad up | | 01/01/70 00:00 |
Proving one is crazy | | 01/01/70 00:00 |
Russell, you forgot the REAL issue | | 01/01/70 00:00 |
just once | | 01/01/70 00:00 |
give him a a break ... he's using the INTEL part | | 01/01/70 00:00 |
CrazyROM2 Still 15-18 Chips | | 01/01/70 00:00 |
Practical? Credible? | | 01/01/70 00:00 |
Impractical and Incredible | | 01/01/70 00:00 |
These guys knew what they were doing! | | 01/01/70 00:00 |
That code is pretty much what I use | | 01/01/70 00:00 |
answer | | 01/01/70 00:00 |
Remove the blinkers! | | 01/01/70 00:00 |
A light dawns? | | 01/01/70 00:00 |
Don't cares are Dangerous Here | | 01/01/70 00:00 |
Now there's the thing... | | 01/01/70 00:00 |
Mike S I wish you a lot of fun | | 01/01/70 00:00 |
One 74154 and a handful of diodes | | 01/01/70 00:00 |
omg | | 01/01/70 00:00 |
Depends on buffer... | | 01/01/70 00:00 |
so does using ROM banks not make the use of a ROM | | 01/01/70 00:00 |
Used to have one... | | 01/01/70 00:00 |
has anyone ever 'lost' a ROM? | | 01/01/70 00:00 |
Yea, but I found it later :) | | 01/01/70 00:00 |
Lost ROMs | | 01/01/70 00:00 |
No part is failure-proof | | 01/01/70 00:00 |
statistical reliability issues | | 01/01/70 00:00 |
it's a learning experience ... [sigh] | | 01/01/70 00:00 |
as usual, Mike replied "that is not what I want" | | 01/01/70 00:00 |
well, maybe not zero ... | | 01/01/70 00:00 |
ah, now I understand why Mike is doing this | | 01/01/70 00:00 |
Buggy Whip Pricing | | 01/01/70 00:00 |
oh, well | | 01/01/70 00:00 |
Maybe he should be left to his own devices | | 01/01/70 00:00 |
I made a better decision | | 01/01/70 00:00 |
the wheel is still square | | 01/01/70 00:00 |
why nop? | | 01/01/70 00:00 |
correction | | 01/01/70 00:00 |
answer | | 01/01/70 00:00 |
another question | | 01/01/70 00:00 |
something else | | 01/01/70 00:00 |
and I should have added... | | 01/01/70 00:00 |
hard-coded | | 01/01/70 00:00 |
a couple of \'138\'s should do it | | 01/01/70 00:00 |
answer | | 01/01/70 00:00 |
not the first, more like #237654 | | 01/01/70 00:00 |
"Invent"- Try 8052-BASIC | | 01/01/70 00:00 |
Just a thought | | 01/01/70 00:00 |
No thanks to anyone | | 01/01/70 00:00 |
Let the boy flounder ... he'll figure it out! | | 01/01/70 00:00 |
a bit of a chuckle? | | 01/01/70 00:00 |
sooner or later ... | | 01/01/70 00:00 |
you may be right :) | | 01/01/70 00:00 |
if I must lower my speed for programming, I will | | 01/01/70 00:00 |
Capacitors on the write line | | 01/01/70 00:00 |
NAAH | | 01/01/70 00:00 |
anyone tell ya I have a slower clock too? | | 01/01/70 00:00 |
Do you mean a crystal? | | 01/01/70 00:00 |
it may | | 01/01/70 00:00 |
So, Mikey ... have you finally wised up? | | 01/01/70 00:00 |