def JMP(self):
# print("JMP")
if self.parameter1Mode != self.DIRECT:
raise ExcecutionError("JMP: Bad Parameter 1", self.IP)
self.IP = self.memory[self.IP + 1]
return True
def CMP(self):
# print("CMP")
if self.parameter1Mode != self.REGISTER:
raise ExcecutionError("CMP: Bad Parameter 1", self.IP)
if self.parameter2Mode == self.REFERENCE:
raise ExcecutionError("CMP: Bad Parameter 2", self.IP)
value1 = self.determineValue(self.parameter1Mode,
self.memory[self.IP + 1])
value2 = self.determineValue(self.parameter2Mode,
self.memory[self.IP + 2])
self.setFlagsFromResult(value1 - value2)
self.IP += 3
return True
def STOR(self):
# print("STOR")
if self.parameter1Mode != self.REGISTER and self.parameter1Mode != self.DIRECT:
raise ExcecutionError("STOR: Bad Parameter 1", self.IP)
if self.parameter2Mode != self.REFERENCE and self.parameter2Mode != self.INDEXED:
raise ExcecutionError("STOR: Bad Parameter 2", self.IP)
value = self.determineValue(self.parameter1Mode,
self.memory[self.IP + 1])
ref = self.getRegister(self.memory[self.IP + 2])
if self.parameter2Mode == self.INDEXED:
ref += self.IX
self.setMemory(ref, self.makeWord(value))
self.IP += 3
return True
def CALL(self):
# print("CALL")
if self.parameter1Mode != self.DIRECT:
raise ExcecutionError("CALL: Bad Parameter 1", self.IP)
self.memory[self.SP] = self.IP + 2
self.SP += 1
self.IP = self.memory[self.IP + 1]
return True
def POP(self):
# print("POP")
if self.parameter1Mode != self.REGISTER:
raise ExcecutionError("POP: Bad Parameter 1", self.IP)
self.SP -= 1
value = self.memory[self.SP]
self.setRegister(self.memory[self.IP + 1], value)
self.IP += 2
return True
def PUSH(self):
# print("PUSH")
if self.parameter1Mode != self.REGISTER:
raise ExcecutionError("PUSH: Bad Parameter 1", self.IP)
value = self.getRegister(self.memory[self.IP + 1])
self.memory[self.SP] = value
self.SP += 1
self.IP += 2
return True
def XOR(self):
# print("XOR")
if self.parameter1Mode != self.REGISTER:
raise ExcecutionError("XOR: Bad Parameter 1", self.IP)
if self.parameter2Mode == self.REFERENCE:
raise ExcecutionError("XOR: Bad Parameter 2", self.IP)
value1 = self.getRegister(self.memory[self.IP + 1])
value2 = self.determineValue(self.parameter2Mode,
self.memory[self.IP + 2])
value1 = value1 ^ value2
self.setRegister(self.memory[self.IP + 1], value1)
self.setFlagsFromResult(value1)
self.IP += 3
return True
def DIV(self):
# print("DIV")
if self.parameter1Mode != self.REGISTER:
raise ExcecutionError("MUL: Bad Parameter 1", self.IP)
if self.parameter2Mode == self.REFERENCE:
raise ExcecutionError("MUL: Bad Parameter 2", self.IP)
value1 = self.getRegister(self.memory[self.IP + 1])
value2 = self.determineValue(self.parameter2Mode,
self.memory[self.IP + 2])
r = value1 % value2
q = value1 // value2
self.setRegister(self.memory[self.IP + 1], q)
self.setRegister(Definitions.registers["DX"], r)
self.IP += 3
return True
def JGE(self):
# print("JGE")
if self.parameter1Mode != self.DIRECT:
raise ExcecutionError("JGE: Bad Parameter 1", self.IP)
if self.OF() == self.SF():
self.IP = self.memory[self.IP + 1]
else:
self.IP += 2
return True
def JNC(self):
# print("JNC")
if self.parameter1Mode != self.DIRECT:
raise ExcecutionError("JC: Bad Parameter 1", self.IP)
if self.CF() == False:
self.IP = self.memory[self.IP + 1]
else:
self.IP += 2
return True
def JZ(self):
# print("JZ")
if self.parameter1Mode != self.DIRECT:
raise ExcecutionError("JZ: Bad Parameter 1", self.IP)
if self.ZF() == True:
self.IP = self.memory[self.IP + 1]
else:
self.IP += 2
return True
def SHR(self):
# print("SHR")
if self.parameter1Mode != self.REGISTER:
raise ExcecutionError("SHR: Bad Parameter 1", self.IP)
param1 = self.memory[self.IP + 1]
value = self.getRegister(param1)
value = value >> 1
self.setFlagsFromResult(value)
self.setRegister(param1, value)
self.IP += 2
return True
def MOV(self):
# print("MOV")
if self.parameter1Mode != self.REGISTER:
raise ExcecutionError("MOV: Bad Parameter 1", self.IP)
regTo = self.memory[self.IP + 1]
value = self.determineValue(self.parameter2Mode,
self.memory[self.IP + 2])
self.setRegister(regTo, value)
self.IP += 3
return True
def NOT(self):
# print("NOT")
if self.parameter1Mode != self.REGISTER:
raise ExcecutionError("XOR: Bad Parameter 1", self.IP)
value1 = self.getRegister(self.memory[self.IP + 1])
value1 = ~value1
self.setRegister(self.memory[self.IP + 1], value1)
self.setFlagsFromResult(value1)
self.IP += 2
return True
def loadProgram(self, program: Program) -> None:
if program.assembled == False:
raise ExcecutionError("Program not compiled", 0)
for ix, byte in enumerate(program.binary):
self.memory[ix] = byte