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Rationalises reload logic and cuts storage.

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Failure point is now chaining, I think.
This commit is contained in:
Thomas Harte
2021-08-02 20:14:01 -04:00
parent 77c627e822
commit 38848ca2db
3 changed files with 35 additions and 17 deletions
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Components/6526/Implementation/6526Implementation.hpp
+3 -3
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@@ -248,9 +248,9 @@ void MOS6526<BusHandlerT, personality>::run_for(const HalfCycles half_cycles) {
pending_ &= PendingClearMask;
// TODO: use CNT potentially to clock timer A, elimiante conditional above.
counter_[0].advance(false);
counter_[1].advance(counter_[0].hit_zero);
posit_interrupt((counter_[0].hit_zero ? 0x01 : 0x00) | (counter_[1].hit_zero ? 0x02 : 0x00));
const bool timer1_did_reload = counter_[0].advance(false);
const bool timer2_did_reload = counter_[1].advance(timer1_did_reload);
posit_interrupt((timer1_did_reload ? 0x01 : 0x00) | (timer2_did_reload ? 0x02 : 0x00));
}
}