def test_if_z_tricky_2(self):
source = c.if_z_tricky(1, 1, 1, c.inc_pos(5), c.inc_pos(6))
sim = BfSim(source)
sim.memory[1] = 0
sim.run(10000)
self.assertEqual(sim.memory[1], 0)
self.assertEqual(sim.memory[5], 1)
self.assertEqual(sim.memory[6], 0)
def _if_top_decimal_is_nz_then_override() -> str:
"TOPの小数部が0以外なら、TOPをSECONDに移動"
return c.if_z_tricky(
TOP + IDX_DEC,
ELEMENT_SIZE, # work1 = NOW + IDX_DEC
ELEMENT_SIZE, # work2 = NEXT + IDX_DEC
then_statement=c.clear_pos(TOP + IDX_SGN),
else_statement=c.block_of(
c.override_data(TOP + IDX_SGN, SECOND + IDX_SGN),
c.move_data(TOP + IDX_DEC, SECOND + IDX_DEC)))
def _dec_both_abs_decimal() -> str:
"小数部を片方が0になるまで両方をデクリメント"
count = NOW
work1 = NOW + 1
return c.block_of(
c.copy_data(SECOND + 2, count, work1),
c.for_loop(
count,
c.if_z_tricky(
TOP + IDX_DEC,
ELEMENT_SIZE, # work2 = NOW + IDX_DEC
ELEMENT_SIZE, # work3 = NEXT + IDX_DEC
then_statement=loop_last(count),
else_statement=c.block_of(c.dec_pos(SECOND + IDX_DEC),
c.dec_pos(TOP + IDX_DEC)))))