diff options
Diffstat (limited to 'src/dev/mc146818.cc')
| -rw-r--r-- | src/dev/mc146818.cc | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/dev/mc146818.cc b/src/dev/mc146818.cc index abacd8742..81366b774 100644 --- a/src/dev/mc146818.cc +++ b/src/dev/mc146818.cc @@ -163,8 +163,10 @@ MC146818::writeData(const uint8_t addr, const uint8_t data) if (tickEvent.scheduled()) deschedule(tickEvent); } else if (rega_dv_disabled(old_rega)) { - // If the divider chain goes from reset to active, we - // need to schedule a tick after precisely 0.5s. + // According to the specification, the next tick + // happens after 0.5s when the divider chain goes + // from reset to active. So, we simply schedule the + // tick after 0.5s. assert(!tickEvent.scheduled()); schedule(tickEvent, curTick() + SimClock::Int::s / 2); } |