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HDD read: error if reading block to ROM (#1007)

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This commit is contained in:
tomcw 2021-12-11 15:11:04 +00:00
parent 2de04b35c5
commit 010d3525d3
2 changed files with 2 additions and 2 deletions
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2
source/Debugger/Debug.cpp
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@ -8391,7 +8391,7 @@ void DebugContinueStepping(const bool bCallerWillUpdateDisplay/*=false*/)
else if (g_bDebugBreakpointHit & BP_HIT_INTERRUPT)
sprintf_s(szStopMessage, sizeof(szStopMessage), "Interrupt occurred at $%04X", g_LBR);
else if (g_bDebugBreakpointHit & BP_DMA_TO_IO_MEM)
sprintf_s(szStopMessage, sizeof(szStopMessage), "HDD DMA to I/O memory $%04X", g_uDebugBreakOnDmaIoMemoryAddr);
sprintf_s(szStopMessage, sizeof(szStopMessage), "HDD DMA to I/O memory or ROM $%04X", g_uDebugBreakOnDmaIoMemoryAddr);
else if (g_bDebugBreakpointHit & BP_DMA_FROM_IO_MEM)
sprintf_s(szStopMessage, sizeof(szStopMessage), "HDD DMA from I/O memory $%04X", g_uDebugBreakOnDmaIoMemoryAddr);
else

2
source/Harddisk.cpp
View File

@ -519,7 +519,7 @@ BYTE __stdcall HarddiskInterfaceCard::IORead(WORD pc, WORD addr, BYTE bWrite, BY
{
memdirty[dstAddr >> 8] = 0xFF;
LPBYTE page = memwrite[dstAddr >> 8];
if (!page)
if (!page) // I/O space or ROM
{
if (g_nAppMode == MODE_STEPPING)
DebuggerBreakOnDmaToOrFromIoMemory(dstAddr, true); // GH#1007