Changes
/* PAL I/O port */
See [https://www.cpcwiki.eu/forum/news-events/release-of-amstrad-cpc-crtc-compendium-and-amazing-demo-rev-2021/msg239536 Discussion on the forum]
Moreover, the PAL only respond to I/O Write requests while the Gate Array will respond no matter what the Read/Write I/O signal is.
== PAL Type Detection ==
