mirror of
https://github.com/autinerd/game_and_watch_emulator.git
synced 2025-12-16 07:16:26 +01:00
64 lines
2.1 KiB
Python
64 lines
2.1 KiB
Python
from .periph import Periph
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"""
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C1 = BUTTON_GAME
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C5 = BUTTON_TIME
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C13 = BUTTON_SET
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"""
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class GPIOC(Periph):
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BASE_ADDR = 0x5802_0800
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def __init__(self):
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self._MODER = 0xFFFF_FFFF
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self._OTYPER = 0
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self._OSPEEDR = 0
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self._PUPDR = 0
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self._IDR = 1 << 13 | 1 << 5 | 1 << 1
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self._ODR = 0
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self._BSRR = 0
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self._LCKR = 0
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self._AFRL = 0
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self._AFRH = 0
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def read_mem(self, address: int, size: int) -> int:
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if address == self.BASE_ADDR:
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return self._MODER
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elif address == self.BASE_ADDR + 0x4:
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return self._OTYPER
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elif address == self.BASE_ADDR + 0x8:
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return self._OSPEEDR
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elif address == self.BASE_ADDR + 0xC:
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return self._PUPDR
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elif address == self.BASE_ADDR + 0x10:
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return self._IDR
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elif address == self.BASE_ADDR + 0x14:
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return self._ODR
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elif address == self.BASE_ADDR + 0x1C:
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return self._LCKR
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elif address == self.BASE_ADDR + 0x20:
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return self._AFRL
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elif address == self.BASE_ADDR + 0x24:
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return self._AFRH
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return 0
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def write_mem(self, address: int, size: int, data: int):
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if address == self.BASE_ADDR:
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self.set_reg('_MODER', 0xFFFF_FFFF, data)
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elif address == self.BASE_ADDR + 0x4:
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self.set_reg('_OTYPER', 0x0000_FFFF, data)
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elif address == self.BASE_ADDR + 0x8:
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self.set_reg('_OSPEEDR', 0xFFFF_FFFF, data)
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elif address == self.BASE_ADDR + 0xC:
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self.set_reg('_PUPDR', 0xFFFF_FFFF, data)
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elif address == self.BASE_ADDR + 0x14:
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self.set_reg('_ODR', 0x0000_FFFF, data)
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elif address == self.BASE_ADDR + 0x18:
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self.set_reg('_BSRR', 0xFFFF_FFFF, data)
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elif address == self.BASE_ADDR + 0x1C:
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self.set_reg('_LCKR', 0x0001_FFFF, data)
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elif address == self.BASE_ADDR + 0x20:
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self.set_reg('_AFRL', 0xFFFF_FFFF, data)
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elif address == self.BASE_ADDR + 0x24:
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self.set_reg('_AFRH', 0xFFFF_FFFF, data)
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