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[NTVDM]

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Improve the I/O read/write callbacks to allow multiple reads or writes
at once.


svn path=/branches/ntvdm/; revision=60849
This commit is contained in:
Aleksandar Andrejevic 2013-11-03 14:37:30 +00:00
parent c0a85cdfce
commit a0587b741a
1 changed files with 116 additions and 110 deletions
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226
subsystems/ntvdm/emulator.c
View file

@ -82,146 +82,152 @@ static VOID WINAPI EmulatorWriteMemory(PFAST486_STATE State, ULONG Address, PVOI
static VOID WINAPI EmulatorReadIo(PFAST486_STATE State, ULONG Port, PVOID Buffer, ULONG Size)
{
INT i;
LPBYTE Address = (LPBYTE)Buffer;
UNREFERENCED_PARAMETER(State);
UNREFERENCED_PARAMETER(Size);
switch (Port)
for (i = 0; i < Size; i++)
{
case PIC_MASTER_CMD:
case PIC_SLAVE_CMD:
switch (Port)
{
*Address = PicReadCommand(Port);
break;
}
case PIC_MASTER_CMD:
case PIC_SLAVE_CMD:
{
*(Address++) = PicReadCommand(Port);
break;
}
case PIC_MASTER_DATA:
case PIC_SLAVE_DATA:
{
*Address = PicReadData(Port);
break;
}
case PIC_MASTER_DATA:
case PIC_SLAVE_DATA:
{
*(Address++) = PicReadData(Port);
break;
}
case PIT_DATA_PORT(0):
case PIT_DATA_PORT(1):
case PIT_DATA_PORT(2):
{
*Address = PitReadData(Port - PIT_DATA_PORT(0));
break;
}
case PIT_DATA_PORT(0):
case PIT_DATA_PORT(1):
case PIT_DATA_PORT(2):
{
*(Address++) = PitReadData(Port - PIT_DATA_PORT(0));
break;
}
case PS2_CONTROL_PORT:
{
*Address = KeyboardReadStatus();
break;
}
case PS2_CONTROL_PORT:
{
*(Address++) = KeyboardReadStatus();
break;
}
case PS2_DATA_PORT:
{
*Address = KeyboardReadData();
break;
}
case PS2_DATA_PORT:
{
*(Address++) = KeyboardReadData();
break;
}
case VGA_AC_WRITE:
case VGA_AC_READ:
case VGA_SEQ_INDEX:
case VGA_SEQ_DATA:
case VGA_DAC_READ_INDEX:
case VGA_DAC_WRITE_INDEX:
case VGA_DAC_DATA:
case VGA_MISC_READ:
case VGA_MISC_WRITE:
case VGA_CRTC_INDEX:
case VGA_CRTC_DATA:
case VGA_GC_INDEX:
case VGA_GC_DATA:
case VGA_STAT_MONO:
case VGA_STAT_COLOR:
{
*Address = VgaReadPort(Port);
break;
}
case VGA_AC_WRITE:
case VGA_AC_READ:
case VGA_SEQ_INDEX:
case VGA_SEQ_DATA:
case VGA_DAC_READ_INDEX:
case VGA_DAC_WRITE_INDEX:
case VGA_DAC_DATA:
case VGA_MISC_READ:
case VGA_MISC_WRITE:
case VGA_CRTC_INDEX:
case VGA_CRTC_DATA:
case VGA_GC_INDEX:
case VGA_GC_DATA:
case VGA_STAT_MONO:
case VGA_STAT_COLOR:
{
*(Address++) = VgaReadPort(Port);
break;
}
default:
{
DPRINT1("Read from unknown port: 0x%X\n", Port);
default:
{
DPRINT1("Read from unknown port: 0x%X\n", Port);
}
}
}
}
static VOID WINAPI EmulatorWriteIo(PFAST486_STATE State, ULONG Port, PVOID Buffer, ULONG Size)
{
BYTE Byte = *(LPBYTE)Buffer;
INT i;
LPBYTE Address = (LPBYTE)Buffer;
UNREFERENCED_PARAMETER(State);
UNREFERENCED_PARAMETER(Size);
switch (Port)
for (i = 0; i < Size; i++)
{
case PIT_COMMAND_PORT:
switch (Port)
{
PitWriteCommand(Byte);
break;
}
case PIT_COMMAND_PORT:
{
PitWriteCommand(*(Address++));
break;
}
case PIT_DATA_PORT(0):
case PIT_DATA_PORT(1):
case PIT_DATA_PORT(2):
{
PitWriteData(Port - PIT_DATA_PORT(0), Byte);
break;
}
case PIT_DATA_PORT(0):
case PIT_DATA_PORT(1):
case PIT_DATA_PORT(2):
{
PitWriteData(Port - PIT_DATA_PORT(0), *(Address++));
break;
}
case PIC_MASTER_CMD:
case PIC_SLAVE_CMD:
{
PicWriteCommand(Port, Byte);
break;
}
case PIC_MASTER_CMD:
case PIC_SLAVE_CMD:
{
PicWriteCommand(Port, *(Address++));
break;
}
case PIC_MASTER_DATA:
case PIC_SLAVE_DATA:
{
PicWriteData(Port, Byte);
break;
}
case PIC_MASTER_DATA:
case PIC_SLAVE_DATA:
{
PicWriteData(Port, *(Address++));
break;
}
case PS2_CONTROL_PORT:
{
KeyboardWriteCommand(Byte);
break;
}
case PS2_CONTROL_PORT:
{
KeyboardWriteCommand(*(Address++));
break;
}
case PS2_DATA_PORT:
{
KeyboardWriteData(Byte);
break;
}
case PS2_DATA_PORT:
{
KeyboardWriteData(*(Address++));
break;
}
case VGA_AC_WRITE:
case VGA_AC_READ:
case VGA_SEQ_INDEX:
case VGA_SEQ_DATA:
case VGA_DAC_READ_INDEX:
case VGA_DAC_WRITE_INDEX:
case VGA_DAC_DATA:
case VGA_MISC_READ:
case VGA_MISC_WRITE:
case VGA_CRTC_INDEX:
case VGA_CRTC_DATA:
case VGA_GC_INDEX:
case VGA_GC_DATA:
case VGA_STAT_MONO:
case VGA_STAT_COLOR:
{
VgaWritePort(Port, Byte);
break;
}
case VGA_AC_WRITE:
case VGA_AC_READ:
case VGA_SEQ_INDEX:
case VGA_SEQ_DATA:
case VGA_DAC_READ_INDEX:
case VGA_DAC_WRITE_INDEX:
case VGA_DAC_DATA:
case VGA_MISC_READ:
case VGA_MISC_WRITE:
case VGA_CRTC_INDEX:
case VGA_CRTC_DATA:
case VGA_GC_INDEX:
case VGA_GC_DATA:
case VGA_STAT_MONO:
case VGA_STAT_COLOR:
{
VgaWritePort(Port, *(Address++));
break;
}
default:
{
DPRINT1("Write to unknown port: 0x%X\n", Port);
default:
{
DPRINT1("Write to unknown port: 0x%X\n", Port);
}
}
}
}