I am working on implementing the MC6850 ACIA for academic purposes. The implementation requires that when data is written to the data register, the empty flag is set to zero and when the data is read from the register, it is set to 1 (to indicate empty).
The reading and writing are 2 different...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.