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Added eor, lsl, lrs #4

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Added eor, lsl, lrs #4

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30 changes: 30 additions & 0 deletions pyssemble/pyInstruction.py
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Original file line number Diff line number Diff line change
Expand Up @@ -100,3 +100,33 @@ def __init__(self, *args):
def execute(self):
self.regs[self.rd] = self.val
self.pc.step()

class eor(RegInstruction):
func = lambda _, arg1, arg2: 0 if arg1 == arg2 else 1

class lsl(RegInstruction):
func = lambda _, __, arg, amt: arg << amt

class rsl(RegInstruction):
func = lambda _, __, arg, amt: arg >> amt

class asr(RegInstruction):
def func(_, arg, amt):
if arg >= 0:
return arg >> amt
else:

class mul(RegInstruction):
func = lambda _, arg1, arg2: arg1 * arg2 #CHECK

# class smull(RegInstruction) #INCOMPLETE

# class umull(RegInstruction)

# class B.cond(RegInstruction)