/// <summary>
/// Make instruction of format A,B,C
/// </summary>
/// <param name="code"></param>
/// <param name="a"></param>
public static Instruction MakeABC(OpCode code, int a, int b, int c)
{
if (IsNotValueInRange(a, 0, AMask))
{
throw SchemeError.RangeError("Opcode.A.B.C", "Opcode", "A", a, code, 0, AMask);
}
if (IsNotValueInRange(b, 0, BMask))
{
throw SchemeError.RangeError("Opcode.A.B.C", "Opcode", "B", b, code, 0, BMask);
}
if (IsNotValueInRange(c, 0, CMask))
{
throw SchemeError.RangeError("Opcode.A.B.C", "Opcode", "C", c, code, 0, CMask);
}
var inst = new Instruction();
inst.OpCode = code;
inst.A = a;
inst.B = b;
inst.C = c;
return(inst);
}
/// <summary>
/// Make instruction of format A
/// </summary>
/// <param name="code"></param>
/// <param name="a"></param>
public static Instruction MakeA(OpCode code, int a)
{
if (IsNotValueInRange(a, 0, AMask))
{
throw SchemeError.RangeError("Opcode.A", "Opcode", "A", a, code, 0, AMask);
}
var inst = new Instruction();
inst.OpCode = code;
inst.A = a;
return(inst);
}
/// <summary>
/// Make instruction of format A,B or SBX
/// </summary>
/// <param name="code"></param>
/// <param name="a"></param>
public static Instruction MakeASBX(OpCode code, int a, int sbx)
{
if (IsNotValueInRange(a, 0, AMask))
{
throw SchemeError.RangeError("Opcode.A.SBx", "Opcode", "A", a, code, 0, AMask);
}
if (IsNotValueInRange(sbx, -SBxMax, SBxMax))
{
throw SchemeError.RangeError("Opcode.A.SBx", "Opcode", "SBx", sbx, code, -SBxMax, SBxMax);
}
var inst = new Instruction();
inst.OpCode = code;
inst.A = a;
inst.SBx = sbx;
return(inst);
}
/// <summary>
/// Make instruction of format A,BX
/// </summary>
/// <param name="code"></param>
/// <param name="a"></param>
public static Instruction MakeABX(OpCode code, int a, int bx)
{
if (IsNotValueInRange(a, 0, AMask))
{
throw SchemeError.RangeError("Opcode.A.Bx", "Opcode", "A", a, code, 0, AMask);
}
if (IsNotValueInRange(bx, -BxMask, BxMask))
{
throw SchemeError.RangeError("Opcode.A.Bx", "Opcode", "Bx", bx, code, -BxMask, BxMask);
}
var inst = new Instruction();
inst.OpCode = code;
inst.A = a;
inst.Bx = bx;
return(inst);
}