1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
from components.ijvm import ijvm
class Ram:
def __init__(self,components,size):
self.data=dict()
self.lastAddr=size-1
self.c=components
def loadRamFile(self,filepath):
data=dict()
addr=0
f=open(filepath,"r")
for line in f.readlines():
line=line.rstrip() # remove \n
if line in ijvm:
data[addr]=int(ijvm[line])
else:
data[addr]=int(line,0)
addr+=1
f.close()
self.data=data
def write(self):
addr=self.c["MAR"]
if addr>self.lastAddr:
raise ValueError("You get out of the ram by trying to set a value at address {}, max address is {}".format(addr,self.lastAddr))
self.data[addr]=self.c["MDR"]
def read(self):
addr=self.c["MAR"]
value=None
try:
value=self.data[addr]
except:
if addr>self.lastAddr:
raise ValueError("You get out of the ram by trying to get value at address {}, max address is {}".format(addr,self.lastAddr))
if(value==None):
return(0)
return(value)
def fetch(self):
addr=self.c["PC"]
value=None
try:
value=self.data[addr]
except:
if addr>self.lastAddr:
raise ValueError("You get out of the ram by trying to get value at address {}, max address is {}".format(addr,self.lastAddr))
if(value==None):
return(0)
return(value)
def dump(self):
for key,value in self.data.items():
#print("{}:{}".format(key,bin(value)[2:]))
print("{}:{}".format(key,value))
def dumpRange(self,start,end):
for i in range(start,end+1):
try:
print("{}:{}".format(i,self.data[i]))
except:
print("{}:0".format(i))
|
