def test_jms():
addr = 2
inst = asm.jms(addr)
pdp8 = PDP8([inst])
pdp8()
assert pdp8.peak_pc() == 3
assert pdp8.peak_acc() == 0
assert pdp8.peak_mem(addr) == 1
def test_page():
addr = 1
value = 0o7777
inst = asm.tad(addr,p=asm.MP.CURRENT_PAGE)
pdp8 = PDP8([inst])
pdp8.poke_mem(addr,Word(value))
pdp8()
assert pdp8.peak_pc() == 1
assert pdp8.peak_acc() == value
def test_tad(a,b):
addr = 1
inst = asm.tad(addr)
pdp8 = PDP8([inst])
pdp8.poke_mem(addr,a)
pdp8.poke_acc(b)
pdp8()
assert pdp8.peak_pc() == 1
assert pdp8.peak_acc() == a+b
def test_isz():
addr = 1
inst = asm.isz(addr)
pdp8 = PDP8([inst])
pdp8.poke_mem(addr,0)
pdp8()
assert pdp8.peak_pc() == 1
assert pdp8.peak_acc() == 0
assert pdp8.peak_mem(addr) == 1
def test_dca(a):
addr = 1
inst = asm.dca(addr)
pdp8 = PDP8([inst])
pdp8.poke_mem(addr,0)
pdp8.poke_acc(a)
pdp8()
assert pdp8.peak_pc() == 1
assert pdp8.peak_acc() == 0
assert pdp8.peak_mem(addr) == a
def test_prog_add():
A, B = 4, 5
code = [asm.cla(),
asm.tad(A),
asm.tad(B),
asm.hlt()]
pdp8 = PDP8(code)
pdp8.poke_mem(A,3)
pdp8.poke_mem(B,4)
pdp8.run()
assert pdp8.peak_acc() == 7
def test_indirect():
addr = 1
data = 2
value = 0o7777
inst = asm.tad(addr,i=asm.IA.INDIRECT)
pdp8 = PDP8([inst])
pdp8.poke_mem(addr,Word(data))
pdp8.poke_mem(data,Word(value))
pdp8()
assert pdp8.peak_pc() == 1
assert pdp8.peak_acc() == value
def test_prog_cmp():
data = 14
A, B = data, data+1
code = [asm.cla(cll=1),
asm.tad(A),
asm.cia(),
asm.tad(B),
asm.hlt()]
pdp8 = PDP8(code)
pdp8.poke_mem(A,3)
pdp8.poke_mem(B,4)
pdp8.run()
assert pdp8.peak_lnk() == 1
def test_lnk():
addr = 4
inst = asm.tad(addr)
pdp8 = PDP8([asm.tad(addr),asm.cll(),asm.cml()])
pdp8.poke_mem(addr,Word(0o7777))
pdp8.poke_acc(1)
pdp8()
assert pdp8.peak_pc() == 1
assert pdp8.peak_acc() == 0
assert pdp8.peak_lnk() == 1
pdp8()
assert pdp8.peak_lnk() == 0
pdp8()
assert pdp8.peak_lnk() == 1
def test_prog_xor2():
data = 14
A, B, C = data, data+1, data+2
code = [asm.cla(),
asm.tad(A),
asm.and_(B),
asm.opr1(cll=1, ral=1),
asm.opr1(cma=1, iac=1),
asm.tad(A),
asm.tad(B),
asm.hlt()]
pdp8 = PDP8(code)
pdp8.poke_mem(A,3)
pdp8.poke_mem(B,4)
pdp8.run()
assert pdp8.peak_acc() == 7
def test_prog_or():
data = 10
A, B, C = data, data+1, data+2
code = [asm.cla(),
asm.tad(A),
asm.cma(),
asm.dca(C),
asm.tad(B),
asm.cma(),
asm.and_(C),
asm.cma(),
asm.hlt()]
pdp8 = PDP8(code)
pdp8.poke_mem(A,3)
pdp8.poke_mem(B,4)
pdp8.run()
assert pdp8.peak_acc() == 7
def test_rtr():
pdp8 = PDP8([asm.rtr()])
pdp8.poke_acc(4)
pdp8()
assert pdp8.peak_pc() == 1
assert pdp8.peak_acc() == 1
def test_jmp():
addr = 2
inst = asm.jmp(addr)
pdp8 = PDP8([inst])
pdp8()
assert pdp8.peak_pc() == addr
def test_cml():
pdp8 = PDP8([asm.cml()])
pdp8.poke_lnk(1)
pdp8()
assert pdp8.peak_lnk() == 0
def test_cla():
pdp8 = PDP8([asm.cla()])
pdp8.poke_acc(1)
pdp8()
assert pdp8.peak_acc() == 0
def test_ral():
pdp8 = PDP8([asm.ral()])
pdp8.poke_acc(1)
pdp8()
assert pdp8.peak_pc() == 1
assert pdp8.peak_acc() == 2
def test_sna():
pdp8 = PDP8([asm.sna()])
pdp8.poke_acc(1)
pdp8()
assert pdp8.peak_pc() == 2
def test_cia():
pdp8 = PDP8([asm.cia()])
pdp8.poke_acc(0o7777)
pdp8()
assert pdp8.peak_acc() == 1
def test_iac():
pdp8 = PDP8([asm.iac()])
pdp8()
assert pdp8.peak_acc() == 1
def test_stl():
pdp8 = PDP8([asm.stl()])
pdp8.poke_lnk(0)
pdp8()
assert pdp8.peak_lnk() == 1