The Memory card holds 32K of RAM and can hold both a program to execute as well as any associated data. It is one of a few ‘unauthenic’ cards within the computer that is forced to use modern integrated circuits (ICs) to perform its role.
Below is a list of the blog articles relating to this card (in reverse date order):
30 Nov 2017 - 2 min read
I’ve covered the construction of the upper and lower memory cards in my last two posts … it’s now time to bring those two cards together to form the memory …
25 Nov 2017 - 5 min read
Memory Construction (Part 2 of 2)
In my last post I made a start on the memory unit construction with the lower memory card. The lower card centres around the memory IC which runs at 5V. The upper memory card …
19 Nov 2017 - 4 min read
Memory Construction (Part 1 of 2)
It’s time to make a start on the construction of the memory unit and as mentioned in my last post this one is a bit more complex than ‘boring old registers’ …
06 Sep 2017 - 6 min read
In my last post I started the design for the computer’s memory unit which is spread over two cards. With the lower memory card design in place its now time to finish the …
03 Sep 2017 - 8 min read
In my last post I explained my decision to use a ‘modern’ memory chip in my relay computer … I also alluded to there being some complexities in interfacing …
