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Ensures no DMA clocking whatsoever when asleep.

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This commit is contained in:
Thomas Harte 2020-02-12 23:23:42 -05:00
parent 3cb6bbf771
commit 91a3d42919
1 changed files with 5 additions and 4 deletions
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9
Machines/Atari/ST/AtariST.cpp
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@ -441,7 +441,8 @@ class ConcreteMachine:
// Advance the relevant counters.
cycles_since_audio_update_ += length;
mfp_ += length;
dma_ += length;
if(dma_clocking_preference_ != ClockingHint::Preference::None)
dma_ += length;
keyboard_acia_ += length;
midi_acia_ += length;
bus_phase_ += length;
@ -462,7 +463,7 @@ class ConcreteMachine:
mfp_.flush();
}
if(dma_is_realtime_) {
if(dma_clocking_preference_ == ClockingHint::Preference::RealTime) {
dma_.flush();
}
@ -531,7 +532,7 @@ class ConcreteMachine:
bool may_defer_acias_ = true;
bool keyboard_needs_clock_ = false;
bool mfp_is_realtime_ = false;
bool dma_is_realtime_ = false;
ClockingHint::Preference dma_clocking_preference_ = ClockingHint::Preference::None;
void set_component_prefers_clocking(ClockingHint::Source *component, ClockingHint::Preference clocking) final {
// This is being called by one of the components; avoid any time flushing here as that's
// already dealt with (and, just to be absolutely sure, to avoid recursive mania).
@ -540,7 +541,7 @@ class ConcreteMachine:
(midi_acia_.last_valid()->preferred_clocking() != ClockingHint::Preference::RealTime);
keyboard_needs_clock_ = ikbd_.preferred_clocking() != ClockingHint::Preference::None;
mfp_is_realtime_ = mfp_.last_valid()->preferred_clocking() == ClockingHint::Preference::RealTime;
dma_is_realtime_ = dma_.last_valid()->preferred_clocking() == ClockingHint::Preference::RealTime;
dma_clocking_preference_ = dma_.last_valid()->preferred_clocking();
}
// MARK: - GPIP input.