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[FAST486][NTVDM]

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The behavior of the I/O port bus depends on the data width. In the case
of 16-bit/32-bit access, two/four adjacent ports will be accessed.


svn path=/branches/ntvdm/; revision=60891
This commit is contained in:
Aleksandar Andrejevic 2013-11-09 03:30:27 +00:00
parent e971f67673
commit 43ee57f2f7
4 changed files with 42 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

20
lib/fast486/opcodes.c
View file

@ -906,7 +906,7 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeInByte)
}
/* Read a byte from the I/O port */
State->IoReadCallback(State, Port, &Data, sizeof(UCHAR));
State->IoReadCallback(State, Port, &Data, 1, sizeof(UCHAR));
/* Store the result in AL */
State->GeneralRegs[FAST486_REG_EAX].LowByte = Data;
@ -950,7 +950,7 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeIn)
ULONG Data;
/* Read a dword from the I/O port */
State->IoReadCallback(State, Port, &Data, sizeof(ULONG));
State->IoReadCallback(State, Port, &Data, 1, sizeof(ULONG));
/* Store the value in EAX */
State->GeneralRegs[FAST486_REG_EAX].Long = Data;
@ -960,7 +960,7 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeIn)
USHORT Data;
/* Read a word from the I/O port */
State->IoReadCallback(State, Port, &Data, sizeof(USHORT));
State->IoReadCallback(State, Port, &Data, 1, sizeof(USHORT));
/* Store the value in AX */
State->GeneralRegs[FAST486_REG_EAX].LowWord = Data;
@ -999,7 +999,7 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeOutByte)
Data = State->GeneralRegs[FAST486_REG_EAX].LowByte;
/* Write the byte to the I/O port */
State->IoWriteCallback(State, Port, &Data, sizeof(UCHAR));
State->IoWriteCallback(State, Port, &Data, 1, sizeof(UCHAR));
return TRUE;
}
@ -1041,7 +1041,7 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeOut)
ULONG Data = State->GeneralRegs[FAST486_REG_EAX].Long;
/* Write a dword to the I/O port */
State->IoReadCallback(State, Port, &Data, sizeof(ULONG));
State->IoReadCallback(State, Port, &Data, 1, sizeof(ULONG));
}
else
{
@ -1049,7 +1049,7 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeOut)
USHORT Data = State->GeneralRegs[FAST486_REG_EAX].LowWord;
/* Write a word to the I/O port */
State->IoWriteCallback(State, Port, &Data, sizeof(USHORT));
State->IoWriteCallback(State, Port, &Data, 1, sizeof(USHORT));
}
return TRUE;
@ -5997,7 +5997,8 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeIns)
State->IoReadCallback(State,
State->GeneralRegs[FAST486_REG_EDX].LowWord,
Block,
Processed * DataSize);
Processed,
DataSize);
if (State->Flags.Df)
{
@ -6059,6 +6060,7 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeIns)
State->IoReadCallback(State,
State->GeneralRegs[FAST486_REG_EDX].LowWord,
&Data,
1,
DataSize);
/* Write to the destination operand */
@ -6174,7 +6176,8 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeOuts)
State->IoWriteCallback(State,
State->GeneralRegs[FAST486_REG_EDX].LowWord,
Block,
Processed * DataSize);
Processed,
DataSize);
if (!State->Flags.Df)
{
@ -6212,6 +6215,7 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeOuts)
State->IoWriteCallback(State,
State->GeneralRegs[FAST486_REG_EDX].LowWord,
&Data,
1,
DataSize);
/* Increment/decrement ESI */