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Marginally optimised set_offset to avoid resets when possible.

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Thomas Harte
2017-07-21 20:43:20 -04:00
parent 06ea81fdb2
commit a026998682
1 changed files with 5 additions and 1 deletions
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6
Storage/Tape/Tape.cpp
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@@ -55,7 +55,11 @@ uint64_t Tape::get_offset() {
} }
void Tape::set_offset(uint64_t offset) { void Tape::set_offset(uint64_t offset) {
reset(); if(offset == offset_) return;
if(offset < offset_) {
reset();
}
offset -= offset_;
while(offset--) get_next_pulse(); while(offset--) get_next_pulse();
} }