def oneOperand(operation, operand):
reg, addressingMode = analyzeOperand(operand)
if not reg:
raise Exception("can't analaze instruction", operation, operand)
return "{}{}{}".format(getMachineCode(operation),
getMachineCode(addressingMode), getMachineCode(reg))
def assemblePh3(code):
# // out = open("output.txt", 'w')
# // linesAgain = open(assemblesFile.name, 'r').readlines()
ph3_out = ''
addressNumber = 0
for line in code.splitlines(True):
if(line.find('$') != -1):
if(line.find('$VAR') != -1):
line = line.replace('$VAR', '')
variable = ST.get(line[0:-1])
if(not variable):
raise Exception("not defined variable {}".format(line[0:-1]))
ph3_out += strToBinary16(str(variable)) + '\n'
elif(line.find('$AVAR') != -1):
line = line.replace('$AVAR', '')
minusIndex = line.find('-')
variable, offset = line.strip()[0:minusIndex], line.strip()[minusIndex+1:]
if(not variable):
raise Exception("not defined variable {}".format(variable))
value = int(ST.get(variable)) - int(offset) # strToBinary
ph3_out += strToBinary16(str(value)) + '\n'
elif(line.find('$BCH') != -1):
line = line.replace('$BCH', '')
branchOperation, label = line.strip().split(' ')
if(not label):
raise Exception("not defined label {}".format(label))
offset = strToBinary16(str(int(ST.get(label)) - addressNumber - 1),fill=8) # TODO (مش فاكر البرانش بياخد قد ايه)
if(len(offset)>8):
raise Exception("can't branch to that address ")
ph3_out += "{}{}\n".format(getMachineCode(branchOperation), offset)
else:
ph3_out += line
addressNumber += 1
return ph3_out
def zeroOperand(instruction):
machineCode = getMachineCode(instruction)
return machineCode