def __init__(self):
self.mem = MEMORY(SICXE_SIZE_MEMORY)
self.devices = Devices(SICXE_SIZE_DEVICES)
self.registers = reg.registers
self.cu = CU(self)
def compfrm(register: FLOAT, sw: INT, mem: MEMORY, addr, isImmediate=False):
operand = addr if isImmediate else mem.getfloat(addr)
cc = SICXE_CC_GT if register > operand else SICXE_CC_LT if register < operand else SICXE_CC_EQ
sw.setbits(cc, (6, 8), BIG)
def addrm(register: INT, mem: MEMORY, addr, isImmediate=False):
operand = addr if isImmediate else mem.getword(addr, True)
register.add(operand, setSelf=True)
def stch(register: INT, mem: MEMORY, addr):
mem.setbyte(addr, register.getbits((0, 8), False, LITTLE))
def divfrm(register: FLOAT, mem: MEMORY, addr, isImmediate=False):
operand = addr if isImmediate else mem.getfloat(addr)
register.truediv(operand, setSelf=True)
def stf(register: FLOAT, mem: MEMORY, addr):
mem.set(addr, register.dec, 6)
def st(register: INT, mem: MEMORY, addr):
mem.setword(addr, register)
def ldch(register: INT, mem: MEMORY, addr, isImmediate=False):
operand = addr if isImmediate else mem.getbyte(addr)
if operand < 0 or operand > 0xff:
raise Exception('cannot be longer the a byte')
register.setbits(operand, (0, 8), LITTLE)
def ldf(register: FLOAT, mem: MEMORY, addr, isImmediate=False):
if isImmediate:
register.set(addr)
else:
register.dec = mem.get(addr, 6)
def ld(register: INT, mem: MEMORY, addr, isImmediate=False):
operand = addr if isImmediate else mem.getword(addr, False)
register.set(operand)