The Microsoft SoftCard for the Apple II: Getting two processors to share the same memory (devblogs.microsoft.com)

blog post by

Raymond Chen

excerpt

The Microsoft Z-80 SoftCard was a plug-in expansion card for the Apple II that added the ability to run CP/M software. According to Wikipedia, it was Microsoft’s first hardware product and in 1980 was the single largest revenue source for the company.

on this day

Mamdani was elected mayor on November 4, 2025, becoming the city’s youngest mayor since 1892, its first Asian American and Muslim mayor, and its first foreign-born mayor since Abraham Beame, who was born in the United Kingdom.

random

But Moses replied, “Are you jealous for my sake? I wish that all the LORD’s people were prophets and that the LORD would put his Spirit on them!” Numbers 11:29 NIV

tags

website
The Old New Thing

the old new thing of

website

https://devblogs.microsoft.com/oldnewthing/20251104-00/?p=111758

when

2025-11-04