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WOZ: Small refactor

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This commit is contained in:
tomcw 2019-08-03 18:21:41 +01:00
parent 1af12fbbb1
commit b66e5a2be9
2 changed files with 11 additions and 21 deletions
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31
source/Disk.cpp
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@ -1046,7 +1046,7 @@ void Disk2InterfaceCard::UpdateBitStreamOffsets(FloppyDisk& floppy)
floppy.m_bitMask = 1 << remainder;
}
UINT Disk2InterfaceCard::DataLatchReadWriteCommonWOZ(ULONG uExecutedCycles)
void __stdcall Disk2InterfaceCard::DataLatchReadWriteWOZ(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG uExecutedCycles)
{
/* m_floppyLoadMode = 0; */
FloppyDrive& drive = m_floppyDrive[m_currDrive];
@ -1059,7 +1059,7 @@ UINT Disk2InterfaceCard::DataLatchReadWriteCommonWOZ(ULONG uExecutedCycles)
{
_ASSERT(0); // Can't happen for WOZ - ReadTrack() should return an empty track
m_floppyLatch = 0xFF;
return 0;
return;
}
// Don't change latch if drive off after 1 second drive-off delay (UTAIIe page 9-13)
@ -1067,7 +1067,7 @@ UINT Disk2InterfaceCard::DataLatchReadWriteCommonWOZ(ULONG uExecutedCycles)
// Note: Sherwood Forest sets shift mode and reads with the drive off.
// TODO: And same for a write?
if (!drive.m_spinning) // GH#599
return 0;
return;
CpuCalcCycles(uExecutedCycles);
@ -1095,7 +1095,14 @@ UINT Disk2InterfaceCard::DataLatchReadWriteCommonWOZ(ULONG uExecutedCycles)
m_diskLastCycle = g_nCumulativeCycles;
return bitCellRemainder;
if (!bWrite)
DataLatchReadWOZ(pc, addr, bitCellRemainder);
else
DataLatchWriteWOZ(pc, addr, d, bitCellRemainder);
// Show track status (GH#201) - NB. Prevent flooding of forcing UI to redraw!!!
if ((floppy.m_byte & 0xFF) == 0)
FrameDrawDiskStatus((HDC)0);
}
void Disk2InterfaceCard::DataLatchReadWOZ(WORD pc, WORD addr, UINT bitCellRemainder)
@ -1227,22 +1234,6 @@ void Disk2InterfaceCard::DataLatchWriteWOZ(WORD pc, WORD addr, BYTE d, UINT bitC
}
}
void __stdcall Disk2InterfaceCard::DataLatchReadWriteWOZ(WORD pc, WORD addr, BYTE bWrite, BYTE d, ULONG uExecutedCycles)
{
const UINT bitCellRemainder = DataLatchReadWriteCommonWOZ(uExecutedCycles);
if (!bitCellRemainder)
return;
if (!bWrite)
DataLatchReadWOZ(pc, addr, bitCellRemainder);
else
DataLatchWriteWOZ(pc, addr, d, bitCellRemainder);
// Show track status (GH#201) - NB. Prevent flooding of forcing UI to redraw!!!
if ((m_floppyDrive[m_currDrive].m_disk.m_byte & 0xFF) == 0)
FrameDrawDiskStatus((HDC)0);
}
//===========================================================================
#ifdef _DEBUG

1
source/Disk.h
View file

@ -188,7 +188,6 @@ private:
UINT GetBitCellDelta(const BYTE optimalBitTiming);
void UpdateBitStreamPosition(FloppyDisk& floppy, const ULONG bitCellDelta);
void UpdateBitStreamOffsets(FloppyDisk& floppy);
UINT DataLatchReadWriteCommonWOZ(ULONG uExecutedCycles);
void DataLatchReadWOZ(WORD pc, WORD addr, UINT bitCellRemainder);
void DataLatchWriteWOZ(WORD pc, WORD addr, BYTE d, UINT bitCellRemainder);
void DumpSectorWOZ(FloppyDisk floppy);