def test_add():
pe = PE()
inst = asm.add()
res, res_p, irq = pe(inst, Data(1), Data(3))
assert res == 4
assert res_p == 0
assert irq == 0
def test_sub():
pe = PE()
inst = asm.sub()
res, res_p, irq = pe(inst, Data(1), Data(3))
assert res == -2
assert res_p == 0
assert irq == 0
def test_smax():
pe = PE()
inst = asm.smax()
res, res_p, irq = pe(inst, Data(1), Data(2))
assert res == 2
assert res_p == 0
assert irq == 0
def test_neg():
pe = PE()
inst = asm.neg()
res, res_p, irq = pe(inst, Data(0), Data(1))
assert res == 0xffff
assert res_p == 0
assert irq == 0
def test_inv():
pe = PE()
inst = asm.sub()
res, res_p, irq = pe(inst, Data(0xffff), Data(1))
assert res == 0xfffe
assert res_p == 0
assert irq == 0
def test_xor():
pe = PE()
inst = asm.xor()
res, res_p, irq = pe(inst, Data(1), Data(3))
assert res == 2
assert res_p == 0
assert irq == 0
def test_umin():
pe = PE()
inst = asm.umin()
res, res_p, irq = pe(inst, Data(1), Data(2))
assert res == 1
assert res_p == 0
assert irq == 0
def test_sel():
pe = PE()
inst = asm.sel()
res, res_p, irq = pe(inst, Data(1), Data(2), Bit(0))
assert res == 2
assert res_p == 0
assert irq == 0
def test_asr():
pe = PE()
inst = asm.asr()
res, res_p, irq = pe(inst, Data(-2), Data(1))
assert res == 65535
assert res_p == 0
assert irq == 0
def test_lsr():
pe = PE()
inst = asm.lsr()
res, res_p, irq = pe(inst, Data(2), Data(1))
assert res == 1
assert res_p == 0
assert irq == 0
def test_and():
# instantiate an PE - calls PE.__init__
pe = PE()
# format an 'and' instruction
inst = asm.and_()
# execute PE instruction with the arguments as inputs - call PE.__call__
res, res_p, irq = pe(inst, Data(1), Data(3))
assert res == 1
assert res_p == 0
assert irq == 0
def test_mult1():
pe = PE()
inst = asm.umult1()
res, res_p, irq = pe(inst, Data(0x200), Data(3))
assert res == 6
assert res_p == 0
assert irq == 0
inst = asm.smult1()
res, res_p, irq = pe(inst, Data(-512), Data(3))
assert res == -6
assert res_p == 0
assert irq == 0
def test_mult2():
pe = PE()
inst = asm.umult2()
res, res_p, irq = pe(inst, Data(0x200), Data(0x300))
assert res == 6
assert res_p == 0
assert irq == 0
inst = asm.smult2()
res, res_p, irq = pe(inst, Data(-2 * 256), Data(3 * 256))
assert res == -6
assert res_p == 0
assert irq == 0
def test_abs():
pe = PE()
inst = asm.abs()
res, res_p, irq = pe(inst, Data(-1))
assert res == 1
assert res_p == 0
assert irq == 0
def test_slt():
pe = PE()
inst = asm.slt()
res, res_p, irq = pe(inst, Data(1), Data(1))
assert res_p == 0
def test_ule():
pe = PE()
inst = asm.ule()
res, res_p, irq = pe(inst, Data(1), Data(1))
assert res_p == 1