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test_psw

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outofmbufs 2025-04-10 12:44:25 -05:00
parent 0f32d9fca9
commit 0ad6fec19b
1 changed files with 63 additions and 0 deletions
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63
pdptests.py
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@ -356,6 +356,69 @@ class TestMethods(unittest.TestCase):
self.check16(p) self.check16(p)
self.assertEqual(p.r[0], r0result) self.assertEqual(p.r[0], r0result)
def test_psw(self):
p = self.make_pdp()
# the test is assembled from:
# .org 4000
# halt = 0
# mov $20000,sp / establish a stack on general principles
# clr r0 / clears all PSW bits except Z
# inc r0 / clears Z
# sen
# bmi 1f
# mov $66610,r2
# halt
# 1: cln
# bpl 1f
# mov $66650,r2
# halt
# 1: clr r0
# inc r0
# sez
# beq 1f
# mov $66604,r2
# halt
# 1: clz
# bne 1f
# mov $66644,r2
# halt
# 1: clr r0
# inc r0
# sev
# bvs 1f
# mov $66602,r2
# halt
# 1: clv
# bvc 1f
# mov $66642,r2
# halt
# 1: clr r0
# inc r0
# sec
# bcs 1f
# mov $66601,r2
# halt
# 1: clc
# bcc 1f
# mov $66641,r2
# halt
# 1: mov $77, r2
# halt
insts = [0o12706, 0o20000, 0o5000, 0o5200, 0o270, 0o100403, 0o12702,
0o66610, 0o0, 0o250, 0o100003, 0o12702, 0o66650, 0o0,
0o5000, 0o5200, 0o264, 0o1403, 0o12702, 0o66604, 0o0,
0o244, 0o1003, 0o12702, 0o66644, 0o0, 0o5000, 0o5200, 0o262,
0o102403, 0o12702, 0o66602, 0o0, 0o242, 0o102003, 0o12702,
0o66642, 0o0, 0o5000, 0o5200, 0o261, 0o103403, 0o12702,
0o66601, 0o0, 0o241, 0o103003, 0o12702, 0o66641, 0o0,
0o12702, 0o77, 0o0]
self.loadphysmem(p, insts, 0o4000)
p.run(pc=0o4000)
self.assertEqual(p.r[2], 0o77)
def test_add_sub(self): def test_add_sub(self):
p = self.make_pdp() p = self.make_pdp()