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This loads the name. That'll do for now.

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This commit is contained in:
Thomas Harte 2016-08-29 22:05:06 -04:00
parent 963a479908
commit 6218f05b8c
1 changed files with 6 additions and 7 deletions
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13
StaticAnalyser/Acorn/Tape.cpp
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@ -31,7 +31,7 @@ struct TapeParser {
wave_length_pointer++;
// if first wave is too short or too long, drop it
if(wave_lengths[0] < 1.0f / 4800.0f || wave_lengths[0] > 5.0f / 4800.0f)
if(wave_lengths[0] < 1.0f / 4800.0f || wave_lengths[0] >= 5.0f / 4800.0f)
{
rotate(1);
continue;
@ -66,21 +66,21 @@ struct TapeParser {
int GetNextByte(const std::shared_ptr<Storage::Tape::Tape> &tape)
{
int value = 0;
int c = 10;
int c = 8;
if(GetNextBit(tape)) return -1;
while(c--)
{
value = (value >> 1) | (GetNextBit(tape) << 9);
value = (value >> 1) | (GetNextBit(tape) << 7);
}
if(!GetNextBit(tape)) return -1;
return c;
return value;
}
private:
void rotate(int places)
{
wave_length_pointer -= places;
memmove(wave_lengths, &wave_lengths[places], (size_t)(4 - places) * sizeof(float));
if(places < 4) memmove(wave_lengths, &wave_lengths[places], (size_t)(4 - places) * sizeof(float));
}
};
@ -99,10 +99,9 @@ std::unique_ptr<File> StaticAnalyser::Acorn::GetNextFile(const std::shared_ptr<S
}
// find next 0x2a (swallowing stop bit)
while(!tape->is_at_end() && (shift_register != 0x055))
while(!tape->is_at_end() && (shift_register != 0x254))
{
shift();
if(shift_register != 0x3ff) printf("%d\n", shift_register >> 9);
}
// read out name