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RP_5C01.py
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# (C) 2020 by Folkert van Heusden <[email protected]>
# released under AGPL v3.0
import time
from typing import List
class RP_5C01:
def __init__(self, debug):
self.ri: int = 0
self.blocks = [ [ 0 for k in range(4)] for j in range(16)]
self.debug = debug
def get_ios(self):
return [ [ 0xb5 ] , [ 0xb4, 0xb5 ] ]
def get_name(self):
return 'RP-5C01 (RTC)'
def read_io(self, a: int) -> int:
block = self.blocks[0x0d][0] & 3
rc = 0
if block > 0 or self.ri >= 0x0d:
rc = (self.blocks[self.ri][block] & 15)
else:
now = time.localtime()
if self.ri == 0:
rc = now.tm_sec % 10
elif self.ri == 1:
rc = now.tm_sec // 10
elif self.ri == 2:
rc = now.tm_min % 10
elif self.ri == 3:
rc = now.tm_min // 10
elif self.ri == 4:
rc = now.tm_hour % 10
elif self.ri == 5:
rc = now.tm_hour // 10
elif self.ri == 6:
rc = now.tm_wday
elif self.ri == 7:
rc = now.tm_mday % 10
elif self.ri == 8:
rc = now.tm_mday // 10
elif self.ri == 9:
rc = now.tm_mon % 10
elif self.ri == 0x0a:
rc = now.tm_mon // 10
elif self.ri == 0x0b:
rc = now.tm_year % 10
elif self.ri == 0x0c:
rc = (now.tm_year // 10) % 10
self.debug('RP_5C01: read %02x' % a)
return rc | 0xf0
def write_io(self, a: int, v: int) -> None:
if a == 0xb4:
self.ri = v
elif a == 0xb5:
block = self.blocks[0x0d][0] & 3
if block > 0 or self.ri >= 0x0d:
if self.ri >= 0x0d:
block = 0
self.blocks[self.ri][block] = v
if self.ri == 0x0f:
for i in range(16):
self.blocks[i][1] = 0