The Control Unit is one of the three cards making up the broader Artihmetic Logic Unit (ALU).
This card handles function decoding, zero detection and holds the condition registers.
Below is a list of the blog articles relating to this card (in reverse date order):
16 Mar 2014 - 2 min read
ALU Construction: Completed Control Card Full Test
The ALU Control Card is now complete and looks like this: This card was, on the whole, much simpler and quicker to put together than previous cards (despite me initially …
14 Mar 2014 - 1 min read
ALU Construction: Control Card Power Rails & Wire Wrap
I’ve been a bit short of time lately so I’ve been working on the ALU Control Card in little bursts … but after lots of these little bursts I’ve now …
04 Mar 2014 - 2 min read
ALU Construction: Control Card Header Pins & Relay Sockets
Following on from the first two successfully completed ALU cards, for logic and arithmetic, it’s time to make a start on the control card (well, actually, the LEDs and …
06 Dec 2013 - 1 min read
Following on from my last post I can now test the LEDs that have been soldered and hooked up to the header pins on each of the three ALU cards (Logic, Arithmetic and Control). …
05 Dec 2013 - 3 min read
ALU Construction: LED Header Pins
So far, in the construction of the three ALU cards (Logic, Arithmetic and Control) I’ve soldered down the connectors and LEDs. It’s now time to solder in some …
02 Dec 2013 - 4 min read
ALU Construction: Connectors and LEDs
As promised in my last post it’s finally time to get the soldering iron out and make a start on constructing the three cards that make up the ALU. I’m going start …
01 Dec 2013 - 4 min read
In the last three posts I introduced the design for the 3-to-8 Function Decoder, Zero Detect circuit and the Condition Registers. In this post I’ll put all three of …
30 Nov 2013 - 4 min read
ALU Design: Condition Registers
This post covers the design of the ALU Condition Registers which along with the 3-to-8 Function Decoder and Zero Detect circuit (both covered in my previous posts) make up the …
23 Nov 2013 - 2 min read
This post covers the design of the Zero Detect circuit which along with the 3-to-8 Function Decoder (covered in my last post) and the Condition Registers (next post) make up …
20 Nov 2013 - 2 min read
This post covers the design of a 3-to-8 Function Decoder which along with the Zero Detect circuit and Condition Registers will all go in to the ALU Control Card. The Decoder …
