def reset(self):
MapperBase.reset(self)
# 5 bit buffer
self.regBuffer = 0
self.regBufferCounter = 0
# Register 0:
self.mirroring = 0
self.oneScreenMirroring = 0
self.prgSwitchingArea = 1
self.prgSwitchingSize = 1
self.vromSwitchingSize = 0
# Register 1:
self.romSelectionReg0 = 0
# Register 2:
self.romSelectionReg1 = 0
# Register 3:
self.romBankSelect = 0
def write(self, address, value):
if address < 0x8000:
MapperBase.write(self, address, value)
return
if not ((value&128) == 0):
# reset buffer
self.regBufferCounter = 0
self.regBuffer = 0
# reset register
if self.getRegNumber(address) == 0:
self.prgSwitchingArea = 1
self.prgSwitchingSize = 1
else:
# Continue buffering:
self.regBuffer = (self.regBuffer & (0xFF-(1<<self.regBufferCounter))) | ((value&1)<<self.regBufferCounter)
self.regBufferCounter += 1
if self.regBufferCounter == 5:
self.setReg(self.getRegNumber(address), self.regBuffer)
#reset buffer
self.regBufferCounter = 0
self.regBuffer = 0
def write(self, address, value):
MapperBase.write(self, address, value)
def reset(self):
MapperBase.reset(self)
def __init__(self, nes):
MapperBase.__init__(self, nes)