protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
DisassembledOperand src = new DisassembledOperand("sr");
DisassembledOperand dst = cpu.DisassembleDstEA(address + 2, (opcode >> 3) & 0x07, (opcode & 0x07), sz);
return(new DisassembledInstruction(address, opcode, "move", src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
DisassembledOperand src;
DisassembledOperand dst;
if ((opcode & 0x00c0) == 0x00c0)
{
src = cpu.DisassembleDstEA(address + 2, (opcode >> 3) & 0x07, (opcode & 0x07), sz);
return(new DisassembledInstruction(address, opcode, "asl" + sz.Ext, src));
}
else if ((opcode & 0x0020) == 0x0020)
{
src = new DisassembledOperand("d" + ((opcode >> 9) & 0x07));
dst = new DisassembledOperand("d" + (opcode & 0x07));
}
else
{
int count = (opcode >> 9) & 0x07;
if (count == 0)
{
count = 8;
}
src = new DisassembledOperand("#" + count);
dst = new DisassembledOperand("d" + (opcode & 0x07));
}
return(new DisassembledInstruction(address, opcode, "asl" + sz.Ext, src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
DisassembledOperand src = cpu.DisassembleSrcEA(address + 2, (opcode >> 3) & 0x07, (opcode & 0x07), sz);
DisassembledOperand dst = cpu.DisassembleDstEA(address + 2 + src.Bytes, (opcode >> 6) & 0x07, (opcode >> 9) & 0x07, sz);
return(new DisassembledInstruction(address, opcode, "move" + sz.Ext, src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode)
{
DisassembledOperand src = new DisassembledOperand($"#${(opcode & 0xff).ToString("x2", CultureInfo.InvariantCulture)}");
DisassembledOperand dst = new DisassembledOperand($"d{(opcode >> 9) & 0x07}");
return(new DisassembledInstruction(address, opcode, "moveq", src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
DisassembledOperand src;
int bytes = 2;
if ((opcode & 0x0100) != 0)
{
src = new DisassembledOperand("d" + ((opcode >> 9) & 0x07));
}
else
{
int ext = cpu.ReadMemoryWord(address + 2);
int val;
if (((opcode >> 3) & 0x07) == 0)
{
val = ext & 0x1f;
}
else
{
val = ext & 0x07;
}
src = new DisassembledOperand($"#${val.ToString("x", CultureInfo.InvariantCulture)}", 2, ext);
bytes += 2;
}
DisassembledOperand dst = cpu.DisassembleDstEA(address + bytes, (opcode >> 3) & 0x07, (opcode & 0x07), sz);
return(new DisassembledInstruction(address, opcode, "bset", src, dst));
}
public DisassembledInstruction Disassemble(int address, int opcode)
{
int data = parent.cpu.ReadMemoryWord(address + 2);
DisassembledOperand op = new DisassembledOperand($"#${data.ToString("x4", CultureInfo.InvariantCulture)}", 2, data);
return(new DisassembledInstruction(address, opcode, "stop", op));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
DisassembledOperand src = cpu.DisassembleSrcEA(address + 2, (opcode >> 3) & 0x07, (opcode & 0x07), sz);
DisassembledOperand dst = new DisassembledOperand("d" + ((opcode >> 9) & 0x07));
return(new DisassembledInstruction(address, opcode, "divs", src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
DisassembledOperand src = new DisassembledOperand($"(a{(opcode & 0x07)})+");
DisassembledOperand dst = new DisassembledOperand($"(a{((opcode >> 9) & 0x07)})+");
return(new DisassembledInstruction(address, opcode, "cmpm" + sz.Ext, src, dst));
}
public DisassembledInstruction DisassembleOp(int address, int opcode)
{
DisassembledOperand src = new DisassembledOperand("a" + (opcode & 0x07));
int dis = cpu.ReadMemoryWordSigned(address + 2);
DisassembledOperand dst = new DisassembledOperand($"#${dis.ToString("x4", CultureInfo.InvariantCulture)}", 2, dis);
return(new DisassembledInstruction(address, opcode, "link", src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode)
{
int cc = (opcode >> 8) & 0x0f;
int dis = cpu.ReadMemoryWordSigned(address + 2);
DisassembledOperand reg = new DisassembledOperand($"d{opcode & 0x07}");
DisassembledOperand where = new DisassembledOperand($"${(dis + address + 2).ToString("x8", CultureInfo.InvariantCulture)}", 2, dis);
return(new DisassembledInstruction(address, opcode, names[cc], reg, where));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
int s = (opcode >> 9 & 0x07);
if (s == 0)
{
s = 8;
}
DisassembledOperand src = new DisassembledOperand("#" + s);
DisassembledOperand dst = cpu.DisassembleDstEA(address + 2, (opcode >> 3) & 0x07, (opcode & 0x07), sz);
return(new DisassembledInstruction(address, opcode, "addq" + sz.Ext, src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
int imm_bytes;
int imm;
string instructionSet;
imm = cpu.ReadMemoryWord(address + 2);
instructionSet = imm.ToString("#$%04x", CultureInfo.InvariantCulture);
imm_bytes = 2;
DisassembledOperand src = new DisassembledOperand(instructionSet, imm_bytes, imm);
DisassembledOperand dst = cpu.DisassembleDstEA(address + 2 + imm_bytes, (opcode >> 3) & 0x07, (opcode & 0x07), sz);
return(new DisassembledInstruction(address, opcode, "ori" + sz.Ext, src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, bool moveToUsp)
{
DisassembledOperand src;
DisassembledOperand dst;
if (moveToUsp)
{
src = new DisassembledOperand("a" + (opcode & 0x07));
dst = new DisassembledOperand("usp");
}
else
{
src = new DisassembledOperand("usp");
dst = new DisassembledOperand("a" + (opcode & 0x07));
}
return(new DisassembledInstruction(address, opcode, "move", src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, bool dataRegMode)
{
DisassembledOperand src;
DisassembledOperand dst;
if (dataRegMode)
{
src = new DisassembledOperand($"d{(opcode & 0x07)}");
dst = new DisassembledOperand($"d{((opcode >> 9) & 0x07)}");
}
else
{
src = new DisassembledOperand($"-(a{(opcode & 0x07)})");
dst = new DisassembledOperand($"-(a{((opcode >> 9) & 0x07)})");
}
return(new DisassembledInstruction(address, opcode, "abcd", src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
DisassembledOperand src;
DisassembledOperand dst;
if ((opcode & 0x08) == 0)
{
src = new DisassembledOperand($"d{(opcode & 0x07)}");
dst = new DisassembledOperand($"d{((opcode >> 9) & 0x07)}");
}
else
{
src = new DisassembledOperand($"-(a{(opcode & 0x07)})");
dst = new DisassembledOperand($"-(a{((opcode >> 9) & 0x07)})");
}
return(new DisassembledInstruction(address, opcode, $"addx{sz.Ext}", src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
DisassembledOperand src;
DisassembledOperand dst;
if ((opcode & 0x08) == 0)
{
src = new DisassembledOperand("d" + (opcode & 0x07));
dst = new DisassembledOperand("d" + ((opcode >> 9) & 0x07));
}
else
{
src = new DisassembledOperand($"-(a{opcode & 0x07})");
dst = new DisassembledOperand($"-(a{(opcode >> 9) & 0x07})");
}
return(new DisassembledInstruction(address, opcode, "subx" + sz.Ext, src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
DisassembledOperand src;
DisassembledOperand dst;
if ((opcode & 0x0100) == 0)
{
src = cpu.DisassembleSrcEA(address + 2, (opcode >> 3) & 0x07, (opcode & 0x07), sz);
dst = new DisassembledOperand("d" + ((opcode >> 9) & 0x07));
}
else
{
src = new DisassembledOperand("d" + ((opcode >> 9) & 0x07));
dst = cpu.DisassembleDstEA(address + 2, (opcode >> 3) & 0x07, (opcode & 0x07), sz);
}
return(new DisassembledInstruction(address, opcode, "sub" + sz.Ext, src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
int val;
int bytes_read;
string op;
switch (sz.Ext)
{
case Size.BYTESIZE:
{
val = cpu.ReadMemoryWord(address + 2);
bytes_read = 2;
op = $"#${(val & 0xff).ToString("x2", CultureInfo.InvariantCulture)}";
break;
}
case Size.WORDSIZE:
{
val = cpu.ReadMemoryWord(address + 2);
bytes_read = 2;
op = $"#${(val & 0x0000ffff).ToString("x4", CultureInfo.InvariantCulture)}";
break;
}
case Size.LONGSIZE:
{
val = cpu.ReadMemoryLong(address + 2);
bytes_read = 4;
op = $"#${val.ToString("x8", CultureInfo.InvariantCulture)}";
break;
}
default:
{
throw new ArgumentException("Invalid size for CMPI");
}
}
DisassembledOperand src = new DisassembledOperand(op, bytes_read, val);
DisassembledOperand dst = cpu.DisassembleDstEA(address + 2 + bytes_read, (opcode >> 3) & 0x07, (opcode & 0x07), sz);
return(new DisassembledInstruction(address, opcode, $"cmpi{sz.Ext}", src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz, bool r2m)
{
DisassembledOperand src;
DisassembledOperand dst;
int dis = cpu.ReadMemoryWordSigned(address + 2);
if (r2m)
{
src = new DisassembledOperand($"d{((opcode >> 9) & 0x07)}");
dst = new DisassembledOperand($"#${dis.ToString("x4", CultureInfo.InvariantCulture)}(a{opcode & 0x07}", 2, dis);
}
else
{
src = new DisassembledOperand($"#${dis.ToString("x4", CultureInfo.InvariantCulture)}(a{opcode & 0x07})", 2, dis);
dst = new DisassembledOperand($"d{((opcode >> 9) & 0x07)}");
}
return(new DisassembledInstruction(address, opcode, $"movep{sz.Ext}", src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
int imm_bytes;
int imm;
string instructionSet;
switch (sz.Ext)
{
case Size.BYTESIZE:
{
imm = cpu.ReadMemoryWord(address + 2);
instructionSet = $"#${(imm & 0x00ff).ToString("x2", CultureInfo.InvariantCulture)}";
imm_bytes = 2;
break;
}
case Size.WORDSIZE:
{
imm = cpu.ReadMemoryWord(address + 2);
instructionSet = $"#${imm.ToString("x4", CultureInfo.InvariantCulture)}";
imm_bytes = 2;
break;
}
case Size.LONGSIZE:
{
imm = cpu.ReadMemoryLong(address + 2);
instructionSet = $"#${imm.ToString("x8", CultureInfo.InvariantCulture)}";
imm_bytes = 4;
break;
}
default:
{
throw new ArgumentException("Size unsized for ANDI");
}
}
DisassembledOperand src = new DisassembledOperand(instructionSet, imm_bytes, imm);
DisassembledOperand dst = cpu.DisassembleDstEA(address + 2 + imm_bytes, (opcode >> 3) & 0x07, (opcode & 0x07), sz);
return(new DisassembledInstruction(address, opcode, $"andi{sz.Ext}", src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode)
{
DisassembledOperand op;
int cc = (opcode >> 8) & 0x0f;
int dis = CpuUtils.SignExtendByte(opcode & 0xff);
string name;
if (dis != 0)
{
op = new DisassembledOperand($"{(dis + address + 2).ToString("x8", CultureInfo.InvariantCulture)}");
name = $"{names[cc]}.s";
}
else
{
dis = cpu.ReadMemoryWordSigned(address + 2);
op = new DisassembledOperand($"{(dis + address + 2).ToString("x8", CultureInfo.InvariantCulture)}", 2, dis);
name = $"{names[cc]}.w";
}
return(new DisassembledInstruction(address, opcode, name, op));
}
public DisassembledInstruction DisassembleOp(int address, int opcode, Size sz, bool regToMem)
{
DisassembledOperand src;
DisassembledOperand dst;
int mode = (opcode >> 3) & 0x07;
int reg = (opcode & 0x07);
int reglist = cpu.ReadMemoryWord(address + 2);
bool reversed = (mode == 4);
if (regToMem)
{
src = new DisassembledOperand(RegListToString(reglist, reversed), 2, reglist);
dst = cpu.DisassembleDstEA(address + 4, mode, reg, sz);
}
else
{
src = cpu.DisassembleSrcEA(address + 4, mode, reg, sz);
dst = new DisassembledOperand(RegListToString(reglist, reversed), 2, reglist);
}
return(new DisassembledInstruction(address, opcode, "movem" + sz.Ext, src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, ExgMode mode)
{
DisassembledOperand src;
DisassembledOperand dst;
switch (mode)
{
case ExgMode.ExgData:
{
src = new DisassembledOperand("d" + ((opcode >> 9) & 0x07));
dst = new DisassembledOperand("d" + (opcode & 0x07));
break;
}
case ExgMode.ExgAddr:
{
src = new DisassembledOperand("a" + ((opcode >> 9) & 0x07));
dst = new DisassembledOperand("a" + (opcode & 0x07));
break;
}
case ExgMode.ExgDataAddr:
{
src = new DisassembledOperand("d" + ((opcode >> 9) & 0x07));
dst = new DisassembledOperand("a" + (opcode & 0x07));
break;
}
default:
{
throw new ArgumentException("Invalid exg type specified");
}
}
return(new DisassembledInstruction(address, opcode, "exg", src, dst));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode)
{
DisassembledOperand op = new DisassembledOperand((opcode & 0x0f).ToString("d", CultureInfo.InvariantCulture));
return(new DisassembledInstruction(address, opcode, "trap", op));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
DisassembledOperand src = new DisassembledOperand("d" + (opcode & 0x07));
return(new DisassembledInstruction(address, opcode, "ext" + sz.Ext, src));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
DisassembledOperand src = cpu.DisassembleDstEA(address + 2, (opcode >> 3) & 0x07, (opcode & 0x07), sz);
return(new DisassembledInstruction(address, opcode, "not" + sz.Ext, src));
}
public DisassembledInstruction DisassembleOp(int address, int opcode)
{
DisassembledOperand src = new DisassembledOperand("d" + (opcode & 0x07));
return(new DisassembledInstruction(address, opcode, "swap", src));
}
public DisassembledInstruction DisassembleOp(int address, int opcode)
{
DisassembledOperand src = new DisassembledOperand($"a{opcode & 0x07}");
return(new DisassembledInstruction(address, opcode, "unlk", src));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode, Size sz)
{
DisassembledOperand op = cpu.DisassembleSrcEA(address + 2, (opcode >> 3) & 0x07, (opcode & 0x07), sz);
return(new DisassembledInstruction(address, opcode, "jmp", op));
}
protected DisassembledInstruction DisassembleOp(int address, int opcode)
{
DisassembledOperand op = cpu.DisassembleDstEA(address + 2, (opcode >> 3) & 0x07, (opcode & 0x07), Size.Byte);
return(new DisassembledInstruction(address, opcode, names[(opcode >> 8) & 0x0f], op));
}
