def write(word_to_write, real_address):
""" write word to the specified location
PARAMETERS:
real_address - hex value in format ????
"""
global memory
block = processor.to_int(real_address) / BLOCK_SIZE
word = processor.to_int(real_address) % BLOCK_SIZE
if processor.mode == 1:
if block <= PAGE_TABLE_ENDING_BLOCK:
processor.pi = 1
return
elif block > USER_ENDING_BLOCK:
processor.pi = 1
return
memory[block][word] = word_to_write[0:4]
def write(word_to_write, real_address):
""" write word to the specified location
PARAMETERS:
real_address - hex value in format ????
"""
global memory
block = processor.to_int(real_address) / BLOCK_SIZE
word = processor.to_int(real_address) % BLOCK_SIZE
if processor.mode == 1:
if block <= PAGE_TABLE_ENDING_BLOCK:
processor.pi = 1
return
elif block > USER_ENDING_BLOCK:
processor.pi = 1
return
memory[block][word] = word_to_write[0:4]
def fetch(real_address):
""" fetch one word from user memory
PARAMETERS:
real_address - hex value in format ????
0FFF - maximum possible value
"""
global memory
block = processor.to_int(real_address) / BLOCK_SIZE
word = processor.to_int(real_address) % BLOCK_SIZE
if processor.mode == 1:
if block < PAGE_TABLE_ENDING_BLOCK:
processor.pi = 1
return
elif block > USER_ENDING_BLOCK:
processor.pi = 1
return
return memory[block][word]
def fetch(real_address):
""" fetch one word from user memory
PARAMETERS:
real_address - hex value in format ????
0FFF - maximum possible value
"""
global memory
block = processor.to_int(real_address) / BLOCK_SIZE
word = processor.to_int(real_address) % BLOCK_SIZE
if processor.mode == 1:
if block < PAGE_TABLE_ENDING_BLOCK:
processor.pi = 1
return
elif block > USER_ENDING_BLOCK:
processor.pi = 1
return
return memory[block][word]
