def _data_int(self, value):
"""
Insert numeric data at the current position.
"""
if vm.is8(value) or vm.is8s(value):
self.mem[self.position] = vm.mask8(value)
self.position += 1
elif vm.is16(value):
self.mem[self.position::2] = value
self.position += 2
else:
raise OverflowError('Value out of range: ${:X} {:d}'
.format(value, value))
def test_is8s_too_high(self):
self.assertFalse(vm.is8s(256))
def test_is8s_too_low(self):
self.assertFalse(vm.is8s(-129))
def test_is8s_high(self):
self.assertTrue(vm.is8s(255))
def test_is8s_low(self):
self.assertTrue(vm.is8s(-128))