On Fri, Feb 07, 2025 at 09:18:15AM +0100, Manuel Bouyer wrote: > timo looks way too low to me. > On a multi-gHz CPU, counting from 10000 to 0 doens't even let you send > one byte at 9600bds.
The CSR_READ_1() is an io port access, so on real hardware this should cause significant delays in each iteration. Martin
