Wel come
It made me TTL processor computer. Transistor transistor logic TTL stands for "first-generation integrated (IC) circuits, simple logic gates, buffers, a binary adder, flip-flops, registers, decoders multiplexers includes a series of shows, etc. The 7400 Series CI were carefully so they do together to make large logic circuit design patterns are related. I own design of integrated circuits, a device central processing unit (CPU) made
Computer
I am not a scientist or engineer. I am a computer hobbyist. My first computer was a Sinclair ZX-80. I later learned the basic Z-80 assembler. Peek and Poke statement simple with basic assembly language program to write on this little machine. Later I wrote a few simple video games, TRS -80.
He was working on machines like the electronic level are interested, so I have a Radio Shack Logic Digital Learning Lab, an IC 7400 (four NAND gates) with a kit and several light diodes, resistors and capacitors purchased emissions . How a digital IC is a good idea of ??the kit works with low cost. I 8 bit read some books on building your own computer, and tried it with a Z-80 processor. My first attempt was a failure because they expected the system test. I built it did not work, and that was it. Next time, I'm sure that I designed and built the team so I know why it did not work. Hope to hundreds of compounds, you're wrong, and you can correct for errors.
My next computer an absolute minimum, a Z-80, a static memory and a breadboard had a slower clock speed. I hand-in memory piece, by piece was a simple program, he began his watch, and replacement team is found. While I have a running computer back to zero, after the memory tested. Here is the program worked! I had my first computer.
My next computer system was based on a full Z-80. I EPROM 2K, 1K static RAM memory, input and output ports, and was keyboard. This is important, I have a data, address and control lines show the position screen. If the clock is running slow, you can find computer activities and what is wrong. I was the team with a very difficult problem. A weld two plastic strands together, and then solder denied dropped, so no visible damage to the track. But on the screen and use your head, eventually melted the cable can get a look. I separate them, and worked on the computer. Here Z 80 single board computer homebrew I have recently.
