Shows how to construct a power supply, microprocessor, peripheral devices and a CRT terminal and explains the design considerations of each projectThe most widely used keyboard code is ASCII (American Standard Code for Information Interchange). ... This signal is used to generate a key-pressed strobe (also called data-ready strobe) to the computer. ... B2 Ar- Bl Al- BO *- KEY PRESSED STROBE T-T yt T a VNA*a La wv- T a VW- L a VW- 1*7 OUT* 1 IF NO KEYanbsp;...
|Title||:||Build Your Own Z80 Computer|
|Publisher||:||Circuit Cellar - 1981|