In Japan in 1978 Gataro Sido attempted to make a computer with TTL, the RETORO-16.
http://tiny.cc/acmjjzQuote:
Although this was the first time I tried to make my own computer in earnest, I had no basic knowledge at all and turned it into garbage.
1989; he tried again with the RETORO-16B.
Quote:
There is a memory that worked well only for fetching instructions, but it was turned into garbage without finishing.
2011; he completed the RETROF-8 (
http://tiny.cc/y8ekjz), as well as the RETROF-BB and the RETROF-VGA.
Quote:
This machine was completed in August of that year, and has the performance of requiring 100 digits of pi even though it is 8bit.
2012; RETROF-16.
http://tiny.cc/9dgkjz2013; RETROF-16A.
2014; RETROF-16H (
http://tiny.cc/54fkjz) and RETROF-SXGA.
2015; RETROF-16K.
http://tiny.cc/mjokjz2016; RETROF-16M.
http://tiny.cc/ofmjjz2017; RETROF-16N (abandoned), and RETROF-16R.
http://tiny.cc/aemjjz2018; RETRO-2020.
http://tiny.cc/xpmjjz
