Implemented logic for wire, bus, logic gates, and 1-bit adders.

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root 2020-12-10 03:52:00 +01:00
parent 77f1e794c1
commit 99d23be531
2 changed files with 124 additions and 0 deletions

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__pycache__/
test.py

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#KOMPONENTY PROPOJU
#todo ??
class wire():
def __init__(self, index):
self.index = index
class bus():
#inicializace sbernice
def __init__(self, N=1):
self.bus = [wire(index=i) for i in range(N)]
self.N = len(self.bus)
#vraci drat na prislusnem indexu sbernice
def get(self, wire_index):
return self.bus[wire_index]
#pripojeni vstupni, vystupni hodnoty komponenty k sbernici
def connect(self, wire_index, component_output_value):
self.bus[wire_index].value = component_output_value
#KOMPONENTY HRADEL
class not_gate():
def __init__(self, input_a):
self.input_a = input_a
if self.input_a == 1:
self.y = 0
else:
self.y = 1
class two_input_gate():
def __init__(self, input_a, input_b):
self.input_a = input_a
self.input_b = input_b
class or_gate(two_input_gate):
def __init__(self, input_a, input_b):
super().__init__(input_a, input_b)
if (self.input_a == 1 or self.input_b == 1):
self.y = 1
else:
self.y = 0
class xor_gate(two_input_gate):
def __init__(self, input_a, input_b):
if (input_a == 1 and input_b == 0) or (input_a == 0 and input_b == 1):
self.y = 1
else:
self.y = 0
class and_gate(two_input_gate):
def __init__(self, input_a, input_b):
if input_a == 1 and input_b == 1:
self.y = 1
else:
self.y = 0
#ARITMETICKE OBVODY
class arithmetic_circuit():
def __init__(self):
self.component_list = []
def add_component(self, component):
self.component_list.append(component)
#Export do jinych reprezentaci
def to_C():
pass
class half_adder(arithmetic_circuit):
def __init__(self, input_a, input_b):
super().__init__()
#2 draty pro vystupy komponenty (sum, cout)
self.out = bus(2)
#Sum
#XOR hradlo pro vypocet jednobitového souctu (sum)
obj_xor_gate = xor_gate(input_a, input_b)
self.add_component(obj_xor_gate)
self.out.connect(0,obj_xor_gate.y)
#Cout
#AND hradlo pro vypocet jednobitoveho priznaku prenosu do vyssiho radu (cout)jednobitového souctu (sum)
obj_and_gate = and_gate(input_a, input_b)
self.add_component(obj_and_gate)
self.out.connect(1,obj_and_gate.y)
class full_adder(arithmetic_circuit):
def __init__(self, input_a, input_b, carry_in):
super().__init__()
#2 draty pro vystupy komponenty (sum, cout)
self.out = bus(2)
#PG logika
propagate_xor_gate1 = xor_gate(input_a, input_b)
self.add_component(propagate_xor_gate1)
generate_and_gate1 = and_gate(input_a, input_b)
self.add_component(generate_and_gate1)
#Sum
#XOR hradlo pro vypocet jednobitového souctu (sum)
obj_xor_gate2 = xor_gate(propagate_xor_gate1.y, carry_in)
self.add_component(obj_xor_gate2)
self.out.connect(0,obj_xor_gate2.y)
#Cout
#AND hradlo pro vypocet jednobitoveho priznaku prenosu do vyssiho radu (cout)jednobitového souctu (sum)
obj_and_gate2 = and_gate(propagate_xor_gate1.y, carry_in)
self.add_component(obj_and_gate2)
obj_or_gate = or_gate(generate_and_gate1.y, obj_and_gate2.y)
self.add_component(obj_or_gate)
self.out.connect(1,obj_or_gate.y)
#todo nechat?
self.propagate = propagate_xor_gate1.y
self.generate = generate_and_gate1.y