mirror of
https://github.com/fadden/6502bench.git
synced 2024-07-06 16:29:03 +00:00
716dce5f28
Sort of silly to have every handler immediately pull the operand out of the file data. (This is arguably less efficient, since we now have to serialize the argument across the AppDomain boundary, but we should be okay spending a few extra nanoseconds here.)
241 lines
10 KiB
C#
241 lines
10 KiB
C#
/*
|
|
* Copyright 2018 faddenSoft
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
using System;
|
|
using System.Collections.Generic;
|
|
|
|
using PluginCommon;
|
|
|
|
/*
|
|
JSR $BF00
|
|
DFB command_code
|
|
DW parm_block
|
|
|
|
parm_block
|
|
dfb parm_count
|
|
parameters...
|
|
*/
|
|
|
|
namespace RuntimeData.Apple {
|
|
public class ProDOS8 : MarshalByRefObject, IPlugin, IPlugin_SymbolList, IPlugin_InlineJsr {
|
|
private const string P8_MLI_TAG = "ProDOS8-MLI-Functions"; // tag used in .sym65 file
|
|
private bool VERBOSE = false;
|
|
|
|
#region Parameter block defs
|
|
|
|
private class Param {
|
|
public DataType Type { get; private set; }
|
|
public DataSubType SubType { get; private set; }
|
|
public int Length { get; private set; }
|
|
|
|
public Param(DataType type, DataSubType subType, int length) {
|
|
Type = type;
|
|
SubType = subType;
|
|
Length = length;
|
|
}
|
|
}
|
|
private static Param PARAM_COUNT = new Param(DataType.NumericLE, DataSubType.Decimal, 1);
|
|
private static Param PATHNAME = new Param(DataType.NumericLE, DataSubType.Address, 2);
|
|
private static Param BUFFER = new Param(DataType.NumericLE, DataSubType.Address, 2);
|
|
private static Param CODEPTR = new Param(DataType.NumericLE, DataSubType.Address, 2);
|
|
private static Param ACCESS = new Param(DataType.NumericLE, DataSubType.Hex, 1);
|
|
private static Param FILE_TYPE = new Param(DataType.NumericLE, DataSubType.Hex, 1);
|
|
private static Param AUX_TYPE = new Param(DataType.NumericLE, DataSubType.Hex, 2);
|
|
private static Param STORAGE_TYPE = new Param(DataType.NumericLE, DataSubType.Hex, 1);
|
|
private static Param DATE = new Param(DataType.NumericLE, DataSubType.Hex, 2);
|
|
private static Param TIME = new Param(DataType.NumericLE, DataSubType.Hex, 2);
|
|
private static Param BLOCKS_USED = new Param(DataType.NumericLE, DataSubType.Hex, 2);
|
|
private static Param UNIT_NUM = new Param(DataType.NumericLE, DataSubType.Hex, 1);
|
|
private static Param REF_NUM = new Param(DataType.NumericLE, DataSubType.Decimal, 1);
|
|
private static Param COUNT = new Param(DataType.NumericLE, DataSubType.Hex, 2);
|
|
private static Param BLOCK_NUM = new Param(DataType.NumericLE, DataSubType.Hex, 2);
|
|
private static Param POSITION = new Param(DataType.NumericLE, DataSubType.Hex, 3);
|
|
private static Param MISC1 = new Param(DataType.NumericLE, DataSubType.Hex, 1);
|
|
private static Param MISC2 = new Param(DataType.NumericLE, DataSubType.Hex, 2);
|
|
private static Param NULL3 = new Param(DataType.NumericLE, DataSubType.Hex, 3);
|
|
|
|
private Dictionary<int, Param[]> ParamDescrs = new Dictionary<int, Param[]>() {
|
|
{ 0x40, // ALLOC_INTERRUPT
|
|
new Param[] { PARAM_COUNT, MISC1, CODEPTR }
|
|
},
|
|
{ 0x41, // DEALLOC_INTERRUPT
|
|
new Param[] { PARAM_COUNT, MISC1 }
|
|
},
|
|
{ 0x65, // QUIT
|
|
new Param[] { PARAM_COUNT, MISC1, MISC2, MISC1, MISC2 }
|
|
},
|
|
{ 0x80, // READ_BLOCK
|
|
new Param[] { PARAM_COUNT, UNIT_NUM, BUFFER, BLOCK_NUM }
|
|
},
|
|
{ 0x81, // WRITE_BLOCK
|
|
new Param[] { PARAM_COUNT, UNIT_NUM, BUFFER, BLOCK_NUM }
|
|
},
|
|
// 0x82 GET_TIME has no parameter list
|
|
{ 0xc0, // CREATE
|
|
new Param[] { PARAM_COUNT, PATHNAME, ACCESS, FILE_TYPE, AUX_TYPE, STORAGE_TYPE,
|
|
DATE, TIME }
|
|
},
|
|
{ 0xc1, // DESTROY
|
|
new Param[] { PARAM_COUNT, PATHNAME }
|
|
},
|
|
{ 0xc2, // RENAME
|
|
new Param[] { PARAM_COUNT, PATHNAME, PATHNAME }
|
|
},
|
|
{ 0xc3, // SET_FILE_INFO
|
|
new Param[] { PARAM_COUNT, PATHNAME, ACCESS, FILE_TYPE, AUX_TYPE, NULL3,
|
|
DATE, TIME }
|
|
},
|
|
{ 0xc4, // GET_FILE_INFO
|
|
new Param[] { PARAM_COUNT, PATHNAME, ACCESS, FILE_TYPE, AUX_TYPE, STORAGE_TYPE,
|
|
BLOCKS_USED, DATE, TIME, DATE, TIME }
|
|
},
|
|
{ 0xc5, // ON_LINE
|
|
new Param[] { PARAM_COUNT, UNIT_NUM, BUFFER }
|
|
},
|
|
{ 0xc6, // SET_PREFIX
|
|
new Param[] { PARAM_COUNT, PATHNAME }
|
|
},
|
|
{ 0xc7, // GET_PREFIX
|
|
new Param[] { PARAM_COUNT, PATHNAME }
|
|
},
|
|
{ 0xc8, // OPEN
|
|
new Param[] { PARAM_COUNT, PATHNAME, BUFFER, REF_NUM }
|
|
},
|
|
{ 0xc9, // NEWLINE
|
|
new Param[] { PARAM_COUNT, REF_NUM, MISC1, MISC1 }
|
|
},
|
|
{ 0xca, // READ
|
|
new Param[] { PARAM_COUNT, REF_NUM, BUFFER, COUNT, COUNT }
|
|
},
|
|
{ 0xcb, // WRITE
|
|
new Param[] { PARAM_COUNT, REF_NUM, BUFFER, COUNT, COUNT }
|
|
},
|
|
{ 0xcc, // CLOSE
|
|
new Param[] { PARAM_COUNT, REF_NUM }
|
|
},
|
|
{ 0xcd, // FLUSH
|
|
new Param[] { PARAM_COUNT, REF_NUM }
|
|
},
|
|
{ 0xce, // SET_MARK
|
|
new Param[] { PARAM_COUNT, REF_NUM, POSITION }
|
|
},
|
|
{ 0xcf, // GET_MARK
|
|
new Param[] { PARAM_COUNT, REF_NUM, POSITION }
|
|
},
|
|
{ 0xd0, // SET_EOF
|
|
new Param[] { PARAM_COUNT, REF_NUM, POSITION }
|
|
},
|
|
{ 0xd1, // GET_EOF
|
|
new Param[] { PARAM_COUNT, REF_NUM, POSITION }
|
|
},
|
|
{ 0xd2, // SET_BUF
|
|
new Param[] { PARAM_COUNT, REF_NUM, BUFFER }
|
|
},
|
|
{ 0xd3, // GET_BUF
|
|
new Param[] { PARAM_COUNT, REF_NUM, BUFFER }
|
|
},
|
|
};
|
|
|
|
#endregion Parameter block defs
|
|
|
|
private IApplication mAppRef;
|
|
private byte[] mFileData;
|
|
private Dictionary<int, PlSymbol> mFunctionList;
|
|
private AddressTranslate mAddrTrans;
|
|
|
|
public string Identifier {
|
|
get {
|
|
return "Apple II ProDOS 8 MLI call handler";
|
|
}
|
|
}
|
|
|
|
public void Prepare(IApplication appRef, byte[] fileData, AddressTranslate addrTrans) {
|
|
mAppRef = appRef;
|
|
mFileData = fileData;
|
|
mAddrTrans = addrTrans;
|
|
|
|
mAppRef.DebugLog("ProDOS(id=" + AppDomain.CurrentDomain.Id + "): prepare()");
|
|
//System.Diagnostics.Debugger.Break();
|
|
|
|
}
|
|
public void UpdateSymbolList(List<PlSymbol> plSyms) {
|
|
// Extract the list of function name constants from the platform symbol file.
|
|
mFunctionList = PlSymbol.GeneratePlatformValueList(plSyms, P8_MLI_TAG, mAppRef);
|
|
}
|
|
public bool IsLabelSignificant(string beforeLabel, string afterLabel) {
|
|
return false;
|
|
}
|
|
|
|
public void CheckJsr(int offset, int operand, out bool noContinue) {
|
|
const int MLI_ENTRY = 0xbf00;
|
|
|
|
noContinue = false;
|
|
if (offset + 6 < mFileData.Length && operand == MLI_ENTRY) {
|
|
// match!
|
|
|
|
byte req = mFileData[offset + 3];
|
|
int blockAddr = Util.GetWord(mFileData, offset + 4, 2, false);
|
|
if (VERBOSE) {
|
|
mAppRef.DebugLog("P8 MLI call detected at +" + offset.ToString("x6") +
|
|
", cmd=$" + req.ToString("x2") + " addr=$" + blockAddr.ToString("x4"));
|
|
}
|
|
|
|
PlSymbol sym;
|
|
if (mFunctionList.TryGetValue(req, out sym)) {
|
|
mAppRef.SetInlineDataFormat(offset + 3, 1, DataType.NumericLE,
|
|
DataSubType.Symbol, sym.Label);
|
|
} else {
|
|
mAppRef.SetInlineDataFormat(offset + 3, 1, DataType.NumericLE,
|
|
DataSubType.None, null);
|
|
}
|
|
mAppRef.SetInlineDataFormat(offset + 4, 2, DataType.NumericLE,
|
|
DataSubType.Address, null);
|
|
|
|
Param[] parms;
|
|
if (ParamDescrs.TryGetValue(req, out parms)) {
|
|
// Try to format the parameter block. Start by figuring out how long it is.
|
|
int blockLen = 0;
|
|
foreach (Param parm in parms) {
|
|
blockLen += parm.Length;
|
|
}
|
|
|
|
// Locate it and verify that the entire thing fits in the file.
|
|
int blockOff = mAddrTrans.AddressToOffset(offset, blockAddr);
|
|
if (Util.IsInBounds(mFileData, blockOff, blockLen)) {
|
|
if (VERBOSE) {
|
|
mAppRef.DebugLog("Formatting P8 block at +" + blockOff.ToString("x6"));
|
|
}
|
|
|
|
foreach (Param parm in parms) {
|
|
// We could try to dereference pathname buffers to see if it's a
|
|
// fixed value and not an empty buffer, but it's hard for us to
|
|
// reliably tell the difference between a length-limited pathname
|
|
// and junk. If the length byte is bad, we run the risk of lumping
|
|
// a bunch of stuff into the pathname buffer.
|
|
mAppRef.SetInlineDataFormat(blockOff, parm.Length, parm.Type,
|
|
parm.SubType, null);
|
|
blockOff += parm.Length;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (req == 0x65) { // QUIT call
|
|
noContinue = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|