The standard home PC in rural Mexico at the time was a mechanical typewriter—if you were lucky. Oscar Toledo E. designed and built one from electronic componen

The standard home PC in rural Mexico at the time was a mechanical typewriter—if you were lucky. Oscar Toledo E. designed and built one from electronic components, such as the Zilog Z280 CPU mentioned in the article. As I understand it, he and his son Oscar Toledo G. wrote the operating system for it in assembly.