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Add aligned to python-impl

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This commit is contained in:
Koichi Nakamura 2021-01-05 14:22:10 +09:00
parent 1b170522cb
commit b49d6d85c6
1 changed files with 4 additions and 1 deletions
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5
others/planck.py
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@ -17,6 +17,9 @@ rp = MEMORY_SIZE - STACK_SIZE
ip = 0
pc = 0
def aligned(n):
return (n + CELL - 1) & ~(CELL - 1)
def read(addr):
return int.from_bytes(
memory[addr:addr+CELL], 'little', signed=True)
@ -184,7 +187,7 @@ while True:
elif code == LITSTRING:
n = read(pc)
push(pc + CELL)
pc = (pc + 2*CELL + n - 1) & ~CELL
pc = aligned(pc + CELL + n)
elif code == ADD:
b = pop()
push(pop() + b)