This is an old revision of the document!


Interrupt Processor

The Interrupt Processor decrements timers, controls the music processor, and produces sounds.

Interrupt System Routines

Name Description
ACTINT Activate automatic interrupt service (timers, music, blackout)
BMUSIC Begin playing music
CTIMER ???
DECCTS Decrement counters/timers under mask (used by ACTINT and DECCTS)
EMUSIC Stop music
STIMER Track and decrement game timers