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imagedev/floppy.cpp: Workaround for index timing regression

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AJR 2023-10-02 07:36:46 -04:00
parent 455603ee86
commit cf510adc9d
1 changed files with 2 additions and 2 deletions
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4
src/devices/imagedev/floppy.cpp
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@ -919,14 +919,14 @@ TIMER_CALLBACK_MEMBER(floppy_image_device::index_resync)
// if hard-sectored floppy, has extra IDX pulses // if hard-sectored floppy, has extra IDX pulses
if(image) if(image)
image->find_index_hole(position, last_index, next_index); image->find_index_hole(position, last_index, next_index);
int new_idx = position - last_index < 2000000; bool new_idx = position - last_index < 2000000;
if(new_idx) { if(new_idx) {
uint32_t index_up = last_index + 2000000; uint32_t index_up = last_index + 2000000;
attotime index_up_time = attotime::from_double(index_up/angular_speed); attotime index_up_time = attotime::from_double(index_up/angular_speed);
index_timer->adjust(index_up_time - delta); index_timer->adjust(index_up_time - delta);
} else { } else {
attotime next_index_time = attotime::from_double(next_index/angular_speed); attotime next_index_time = next_index >= 200000000 ? rev_time : attotime::from_double(next_index/angular_speed);
index_timer->adjust(next_index_time - delta); index_timer->adjust(next_index_time - delta);
} }