def LOADV(operands):
global registers
R = operands[:4]
XY = operands[4:]
# util.safeSet(registers,
# util.getValFromBits(R),
# util.getValFromBits(XY))
registers[util.getValFromBits(R)] = util.getValFromBits(XY)
def PRINT(operands):
global memory, registers
R = operands[:4] # register to probe
XY = operands[4:] # memory cell to probe
print('R' + str(util.getValFromBits(R)) +
': {:#010b}'.format(registers[util.getValFromBits(R)]) +
'\nCell 0x{:02X}'.format(util.getValFromBits(XY)) +
': 0x{:02X}'.format(memory[util.getValFromBits(XY)]))
def ROTATE(operands): # bits 8-12 ignored
global registers
R = operands[:4]
X = operands[8:]
def rotateHelper(l, n):
if n == 0:
return l
else:
return rotateHelper([l[-1]] + l[:-1], n - 1)
registers[util.getValFromBits(R)] = util.getValFromBits(
rotateHelper(
util.intToBits(registers[util.getValFromBits(R)], 8),
util.getValFromBits(X)))
def __setitem__(self, key, item):
if type(key) is list:
key = util.getValFromBits(key)
if type(key) != int:
sys.exit("""ERROR: Register must be integer value.
Value given: {}""".format(repr(key)))
if not(0 <= key <= 0xF):
sys.exit("ERROR: Register " + key + " out of range.")
if not(-(2 ** 7) <= item <= ((2 ** 7) - 1)):
print('*** WARNING: item out of range (overflow not yet implemented)')
self.__dict__[key] = item
def XOR(operands):
global registers
R = operands[:4]
S = operands[4:8]
T = operands[8:]
registers[util.getValFromBits(R)] = registers[util.getValFromBits(S)] ^ registers[util.getValFromBits(T)]
def ADDF(operands): # floating-point
global registers
R = operands[:4]
S = operands[4:8]
T = operands[8:]
registers[util.getValFromBits(R)] = registers[util.getValFromBits(S)] + registers[util.getValFromBits(T)]
def MOVE(operands): # first four bits ignored
global registers
R = operands[4:8]
S = operands[8:]
registers[util.getValFromBits(R)] = registers[util.getValFromBits(S)]
def STORE(operands):
global memory, registers
R = operands[:4]
XY = operands[4:]
memory[util.getValFromBits(XY)] = registers[util.getValFromBits(R)]
def LOAD(operands): # 12 bits as list
global registers, memory
R = operands[:4]
XY = operands[4:]
registers[util.getValFromBits(R)] = memory[util.getValFromBits(XY)]
def INT(operands):
global memory, registers
ih.handleInterupt(util.getValFromBits(operands), memory, registers)
def JUMP(operands):
global registers, PC
R = operands[:4]
XY = operands[4:]
if registers[util.getValFromBits(R)] == registers[0]:
PC = util.getValFromBits(XY)
def __getitem__(self, key):
if type(key) is list:
key = util.getValFromBits(key)
return self.__dict__[key]
