Jeff Epler
d5a278848b
* detect media when initially booted * track removal via loss of index (needed for my PC Jr drive) * remove a bunch of debug prints * fix display of "dirty"/"clean" status * allow read-back of IDAM track number * allow writing an MFM track with a specific logical track number (instead of always following the physical track number), needed for 360KiB media in 1200KiB-capable drives * eliminate some stack'd buffers * use nullptr in place of NULL in some locations * fix an item that should have been a static constexpr but was not
32 lines
864 B
C
32 lines
864 B
C
#pragma once
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bool ever_refreshed;
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void update_display(bool force_refresh);
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bool operator!=(const display_state &a, const display_state &b) {
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return a.capacity_kib != b.capacity_kib || a.trk0 != b.trk0 || a.wp != b.wp ||
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a.rdy != b.rdy || a.dirty != b.dirty || a.trk != b.trk ||
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a.side != b.side;
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}
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void maybe_update_display(bool force_refresh, bool tick) {
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noInterrupts();
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new_state = display_state{
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mfm_floppy.sectorCount() / 2,
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floppy.get_track0_sense(),
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floppy.get_write_protect(),
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!!digitalRead(READY_PIN),
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mfm_floppy.dirty(),
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floppy.track(),
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floppy.get_side(),
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};
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interrupts();
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force_refresh = force_refresh || !ever_refreshed;
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if (force_refresh || (old_state != new_state) || tick) {
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update_display(force_refresh);
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old_state = new_state;
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ever_refreshed = true;
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}
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}
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