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Add Gecko Register types

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JoshuaMK 2021-05-12 00:36:02 -05:00
parent 66cdcb468e
commit fee326a5d8
1 changed files with 63 additions and 4 deletions
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67
geckocode.py
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@ -267,20 +267,79 @@ class GeckoCode(object):
elif codetype == GeckoCode.Type.RETURN: elif codetype == GeckoCode.Type.RETURN:
info = f.read(4) info = f.read(4)
value = int.from_bytes(info, "big", signed=False) & 0xF value = int.from_bytes(info, "big", signed=False) & 0xF
flags = (int.from_bytes(metadata, "big", signed=False) & 0x00300000) >> 18 flags = (int.from_bytes(metadata, "big",
signed=False) & 0x00300000) >> 20
return Return(value) return Return(value)
elif codetype == GeckoCode.Type.GOTO: elif codetype == GeckoCode.Type.GOTO:
info = f.read(4) info = f.read(4)
value = int.from_bytes(metadata, "big", signed=False) & 0xFFFF value = int.from_bytes(metadata, "big", signed=False) & 0xFFFF
flags = (int.from_bytes(metadata, "big", signed=False) & 0x00300000) >> 18 flags = (int.from_bytes(metadata, "big",
signed=False) & 0x00300000) >> 20
return Goto(flags, value) return Goto(flags, value)
elif codetype == GeckoCode.Type.GOSUB: elif codetype == GeckoCode.Type.GOSUB:
info = f.read(4) info = f.read(4)
value = int.from_bytes(metadata, "big", signed=False) & 0xFFFF value = int.from_bytes(metadata, "big", signed=False) & 0xFFFF
flags = (int.from_bytes(metadata, "big", signed=False) & 0x00300000) >> 18 flags = (int.from_bytes(metadata, "big",
signed=False) & 0x00300000) >> 20
register = int.from_bytes(info, "big", signed=False) & 0xF register = int.from_bytes(info, "big", signed=False) & 0xF
return Gosub(flags, value, register) return Gosub(flags, value, register)
elif codetype == GeckoCode.Type.GECKO_REG_SET:
info = f.read(4)
value = int.from_bytes(info, "big", signed=False)
flags = (int.from_bytes(metadata, "big",
signed=False) & 0x00110000) >> 16
register = int.from_bytes(metadata, "big", signed=False) & 0xF
return GeckoRegisterSet(value, flags, register, isPointerType)
elif codetype == GeckoCode.Type.GECKO_REG_LOAD:
info = f.read(4)
value = int.from_bytes(info, "big", signed=False)
flags = (int.from_bytes(metadata, "big",
signed=False) & 0x00310000) >> 16
register = int.from_bytes(metadata, "big", signed=False) & 0xF
return GeckoRegisterLoad(value, flags, register, isPointerType)
elif codetype == GeckoCode.Type.GECKO_REG_STORE:
info = f.read(4)
value = int.from_bytes(info, "big", signed=False)
flags = (int.from_bytes(metadata, "big",
signed=False) & 0x00310000) >> 16
register = int.from_bytes(metadata, "big", signed=False) & 0xF
repeat = (int.from_bytes(metadata, "big",
signed=False) & 0xFFF0) >> 4
return GeckoRegisterStore(value, repeat, flags, register, isPointerType)
elif codetype == GeckoCode.Type.GECKO_REG_OPERATE_I:
info = f.read(4)
value = int.from_bytes(info, "big", signed=False)
flags = (int.from_bytes(metadata, "big",
signed=False) & 0x00030000) >> 16
register = int.from_bytes(metadata, "big", signed=False) & 0xF
opType = GeckoCode.ArithmeticType(
(int.from_bytes(metadata, "big", signed=False) & 0x00F00000) >> 18)
return GeckoRegisterOperateI(value, opType, flags, register)
elif codetype == GeckoCode.Type.GECKO_REG_OPERATE:
info = f.read(4)
value = int.from_bytes(info, "big", signed=False) & 0xF
flags = (int.from_bytes(metadata, "big",
signed=False) & 0x00030000) >> 16
register = int.from_bytes(metadata, "big", signed=False) & 0xF
opType = GeckoCode.ArithmeticType(
(int.from_bytes(metadata, "big", signed=False) & 0x00F00000) >> 18)
return GeckoRegisterOperate(value, opType, flags, register)
elif codetype == GeckoCode.Type.MEMCPY_1:
info = f.read(4)
value = int.from_bytes(info, "big", signed=False)
size = (int.from_bytes(metadata, "big",
signed=False) & 0x00FFFF00) >> 8
register = (int.from_bytes(metadata, "big", signed=False) & 0xF0) >> 4
otherRegister = int.from_bytes(metadata, "big", signed=False) & 0xF
return MemoryCopyTo(value, size, otherRegister, register, isPointerType)
elif codetype == GeckoCode.Type.MEMCPY_2:
info = f.read(4)
value = int.from_bytes(info, "big", signed=False)
size = (int.from_bytes(metadata, "big",
signed=False) & 0x00FFFF00) >> 8
register = (int.from_bytes(metadata, "big", signed=False) & 0xF0) >> 4
otherRegister = int.from_bytes(metadata, "big", signed=False) & 0xF
return MemoryCopyFrom(value, size, otherRegister, register, isPointerType)
def __init__(self): def __init__(self):
raise InvalidGeckoCodeError( raise InvalidGeckoCodeError(