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barcode reader cleanup

This commit is contained in:
goyuken 2014-10-30 20:54:46 +00:00
parent 81fc95ab43
commit 2fbdf059cb
1 changed files with 44 additions and 39 deletions
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83
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/DatachBarcode.cs
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@ -50,14 +50,14 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
const int MIN_DIGITS = 8;
const int MAX_DIGITS = 13;
const int MAX_DATA_LENGTH = 0x100;
const byte END = 0xFF;
const int CC_INTERVAL = 1000;
int cycles;
byte output;
int stream_idx;
byte[] data = new byte[MAX_DATA_LENGTH];
byte[] data = new byte[0];
byte streamoutput { get { return data[stream_idx]; } }
public void SyncState(Serializer ser)
{
@ -72,16 +72,14 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
public void Reset()
{
cycles = 0; // MAX
//output = 0;
cycles = 0;
stream_idx = 0;
for (int i = 0; i < data.Length; i++)
data[i] = END;
data = new byte[0];
}
public bool IsTransferring()
{
return data[stream_idx] != END;
return stream_idx < data.Length;
}
private static bool IsDigtsSupported(int count)
{
@ -127,13 +125,14 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
throw new InvalidOperationException("s must be numeric only");
}
int out_ptr = 0;
for (int i = 0; i < 33; i++)
data[out_ptr++] = 8;
var result = new System.IO.MemoryStream();
data[out_ptr++] = 0;
data[out_ptr++] = 8;
data[out_ptr++] = 0;
for (int i = 0; i < 33; i++)
result.WriteByte(8);
result.WriteByte(0);
result.WriteByte(8);
result.WriteByte(0);
int sum = 0;
@ -144,24 +143,24 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
if (prefixParityType[code[0], i] != 0)
{
for (int j = 0; j < 7; j++)
data[out_ptr++] = dataLeftOdd[code[i + 1], j];
result.WriteByte(dataLeftOdd[code[i + 1], j]);
}
else
{
for (int j = 0; j < 7; j++)
data[out_ptr++] = dataLeftEven[code[i + 1], j];
result.WriteByte(dataLeftEven[code[i + 1], j]);
}
}
data[out_ptr++] = 8;
data[out_ptr++] = 0;
data[out_ptr++] = 8;
data[out_ptr++] = 0;
data[out_ptr++] = 8;
result.WriteByte(8);
result.WriteByte(0);
result.WriteByte(8);
result.WriteByte(0);
result.WriteByte(8);
for (int i = 7; i < 12; i++)
for (int j = 0; j < 7; j++)
data[out_ptr++] = dataRight[code[i], j];
result.WriteByte(dataRight[code[i], j]);
for (int i = 0; i < 12; i++)
sum += code[i] * ((i & 1) != 0 ? 3 : 1);
@ -170,17 +169,17 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
{
for (int i = 0; i < 4; i++)
for (int j = 0; j < 7; j++)
data[out_ptr++] = dataLeftOdd[code[i], j];
result.WriteByte(dataLeftOdd[code[i], j]);
data[out_ptr++] = 8;
data[out_ptr++] = 0;
data[out_ptr++] = 8;
data[out_ptr++] = 0;
data[out_ptr++] = 8;
result.WriteByte(8);
result.WriteByte(0);
result.WriteByte(8);
result.WriteByte(0);
result.WriteByte(8);
for (int i = 4; i < 7; i++)
for (int j = 0; j < 7; j++)
data[out_ptr++] = dataRight[code[i], j];
result.WriteByte(dataRight[code[i], j]);
for (int i = 0; i < 7; i++)
@ -189,17 +188,19 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
sum = (10 - (sum % 10)) % 10;
for (int j = 0; j < 7; j++)
data[out_ptr++] = dataRight[sum, j];
result.WriteByte(dataRight[sum, j]);
data[out_ptr++] = 0;
data[out_ptr++] = 8;
data[out_ptr++] = 0;
result.WriteByte(0);
result.WriteByte(8);
result.WriteByte(0);
for (int i = 0; i < 32; i++)
data[out_ptr++] = 8;
result.WriteByte(8);
data = result.ToArray();
cycles = CC_INTERVAL;
output = data[stream_idx]; // ??
output = streamoutput;
}
public void Clock()
@ -210,11 +211,15 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
if (cycles <= 0)
{
stream_idx++;
output = data[stream_idx];
if (output == END)
output = 0;
else
if (IsTransferring())
{
output = streamoutput;
cycles = CC_INTERVAL;
}
else
{
output = 0;
}
}
}