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This commit is contained in:
Thomas Harte 2024-01-22 21:22:56 -05:00
parent cb125e6336
commit cc165b65be
1 changed files with 15 additions and 14 deletions
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29
Storage/Tape/Parsers/Oric.cpp
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@ -88,22 +88,23 @@ void Parser::inspect_waves(const std::vector<WaveType> &waves) {
}
break;
case SlowData:
#define CHECK_RUN(length, type, symbol) \
if(waves.size() >= length) {\
std::size_t c;\
for(c = 0; c < length; c++) if(waves[c] != type) break;\
if(c == length) {\
push_symbol(symbol, length);\
return;\
}\
}
case SlowData: {
const auto check_run = [&](std::size_t length, WaveType type, SymbolType symbol) -> bool {
if(waves.size() >= length) {
std::size_t c;
for(c = 0; c < length; c++) if(waves[c] != type) break;
if(c == length) {
push_symbol(symbol, int(length));
return true;
}
}
return false;
};
CHECK_RUN(4, WaveType::Long, SymbolType::Zero);
CHECK_RUN(8, WaveType::Short, SymbolType::One);
#undef CHECK_RUN
if(check_run(4, WaveType::Long, SymbolType::Zero)) return;
if(check_run(8, WaveType::Short, SymbolType::One)) return;
if(waves.size() < 16) return; // TODO, maybe: if there are any inconsistencies in the first 8, don't return
break;
} break;
case Sync: {
// Sync is 0x16, either encoded fast or slow; i.e. 0 0110 1000 1