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AppleWin
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Disk: improve DebugTrackWOZ() func

This commit is contained in:
tomcw 2021-02-20 12:32:29 +00:00
parent 0bb34bfb48
commit 2cd2f013e6
1 changed files with 20 additions and 17 deletions
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37
source/Disk.cpp
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@ -1360,6 +1360,7 @@ void Disk2InterfaceCard::DataShiftWriteWOZ(WORD pc, WORD addr, ULONG uExecutedCy
#ifdef _DEBUG
// Dump nibbles from current position bitstream wraps to same position
// NB. Need to define LOG_DISK_NIBBLES_READ so that GetReadD5AAxxDetectedString() works.
void Disk2InterfaceCard::DumpTrackWOZ(FloppyDisk floppy) // pass a copy of m_floppy
{
FormatTrack formatTrack(true);
@ -1368,7 +1369,7 @@ void Disk2InterfaceCard::DumpTrackWOZ(FloppyDisk floppy) // pass a copy of m_flo
UINT zeroCount = 0;
UINT nibbleCount = 0;
const UINT startBitOffset = 0;
const UINT startBitOffset = 0; // NB. may need to tweak this offset, since the bistream is a circular buffer
floppy.m_bitOffset = startBitOffset;
floppy.m_byte = floppy.m_bitOffset / 8;
@ -1376,10 +1377,10 @@ void Disk2InterfaceCard::DumpTrackWOZ(FloppyDisk floppy) // pass a copy of m_flo
floppy.m_bitMask = 1 << remainder;
bool newLine = true;
TCHAR str[20];
while (1)
{
TCHAR str[10];
if (newLine)
{
newLine = false;
@ -1390,22 +1391,9 @@ void Disk2InterfaceCard::DumpTrackWOZ(FloppyDisk floppy) // pass a copy of m_flo
BYTE n = floppy.m_trackimage[floppy.m_byte];
BYTE outputBit = (n & floppy.m_bitMask) ? 1 : 0;
floppy.m_bitMask >>= 1;
if (!floppy.m_bitMask)
{
floppy.m_bitMask = 1 << 7;
floppy.m_byte++;
}
IncBitStream(floppy);
floppy.m_bitOffset++;
if (floppy.m_bitOffset == floppy.m_bitCount)
{
floppy.m_bitMask = 1 << 7;
floppy.m_bitOffset = 0;
floppy.m_byte = 0;
}
if (startBitOffset == floppy.m_bitOffset)
if (startBitOffset == floppy.m_bitOffset) // done complete track?
break;
if (shiftReg == 0 && outputBit == 0)
@ -1445,6 +1433,21 @@ void Disk2InterfaceCard::DumpTrackWOZ(FloppyDisk floppy) // pass a copy of m_flo
zeroCount = 0;
}
// Output any remaining zeroCount
if (zeroCount)
{
char syncBits = zeroCount <= 9 ? '0'+zeroCount : '+';
StringCbPrintf(str, sizeof(str), "(%c)", syncBits);
OutputDebugString(str);
}
// Output any partial nibble
if (shiftReg)
{
StringCbPrintf(str, sizeof(str), "%02X/Partial Nibble", shiftReg);
OutputDebugString(str);
}
// Output any remaining "read D5AAxx detected"
if (nibbleCount % 32)
{