IBM MCGA Gate Array Reverse Engineering (opens in new tab)

(github.com)

18 pointsuserbinator2h ago4 comments

4 comments

4 comments · 2 top-level

bitwize2h ago· 2 in thread

A fucking built-in genlock? For years I thought only Amigas had those!

ggm1h ago

Put on the die, but only expose on the $$$$ builds using it?

fredoralive1h ago

The article mentions that it is brought out to the connector, multiplexed with the monitor ID pins.

fredoralive1h ago

It’s interesting that the gate arrays are supplied by Seiko, and the only known MCGA systems apart from IBM are from Epson. The bit of Seiko that made the gate arrays appears to be… Seiko Epson. So is it a coincidence? Sub-licensing? Skullduggery?

j / k navigate · click thread line to collapse