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interrupt_processor [2016/05/22 13:33] ex_writer [Interrupt System Routines] |
interrupt_processor [2016/05/22 19:48] (current) ex_writer [Interrupt System Routines] |
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The Interrupt Processor decrements timers, controls the [[music processor]], and produces sounds. | 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 | | ||