- Martha Lake Airport Park is a county park located in Martha Lake, Snohomish County, Washington. It was originally a private-use airport known as the Martha Lake Airport that was closed in the late 1990s and sold to the county in 2000. The 28.76-acre (11.64 ha) park was opened in 2010 and features athletic fields for soccer and softball and a skate park. A large glacial erratic on the property, one of several in the county, is used for bouldering (rock climbing).
- Reverse-engineering the interrupt circuitry in the Intel 8086 processor (righto.com)
Interrupts have been an important part of computers since the mid-1950s, providing a mechanism to interrupt a program’s execution. Interrupts allows the computer to handle time-critical tasks such as I/O device operations. In this blog post, I look at the interrupt features in the Intel 8086 (1978) and how they are implemented in silicon, a combination of interesting circuitry and microcode.