def state(self):
"""Return a string representation of the current state"""
registers = [
("PC", 2),
("IR", 1),
("D", 1),
("AC", 1),
("X", 1),
("Y", 1),
("OUT", 1),
("XOUT", 1),
]
heading = " ".join([r.rjust(w * 2 + 1)
for r, w in registers] + ["Loaded instruction"])
separator = " ".join(["-" * (2 * w + 1)
for _, w in registers] + ["------------------"])
values = " ".join([("${:0%dx}" % (w * 2, )).format(getattr(self, r))
for r, w in registers] +
[asm.disassemble(self.IR, self.D)])
return "\n".join([heading, separator, values])
def test_assemble_disasseble_cycle():
code = assemble(asm)
assert assemble(disassemble(code)) == code
def test_disassemble():
assert disassemble(prog) == asm
