Changes
Its most important features are:
* Raster programmable interrupts 6 audio channels sound with CURSOR programmable frequency (stereo line out and NMI supportspeaker mono mix in). * Six stereo audio 4 counter/timer channels with for programmable frequencyinterrupt (including NMI).* General purpose counters and timersIM2 vectorized interrupt support.* Raster lines interrupt support.* CRTC hardware CURSOR interrupt support.* The LIGHTPEN pin is rooted to a 4 pins connector for plugging compatible hardware through an adapter.
==Hardware Installation==
