Added tests from https://github.com/kingcons/cl-6502

compare.py

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+#!/usr/bin/env python
+
+# NES test rom: https://wiki.nesdev.com/w/index.php/Emulator_tests
+
+# other tests:
+#  https://github.com/Klaus2m5/6502_65C02_functional_tests
+#  https://github.com/christopherpow/nes-test-roms
+
+# other simulators:
+#  http://piumarta.com/software/lib6502/
+#  https://github.com/dennis-chen/6502-Emu/blob/master/src/cpu.c
+
+# references
+#  https://wiki.nesdev.com/w/index.php/Status_flags
+#  http://www.emulator101.com/6502-addressing-modes.html
+#  http://nesdev.com/6502.txt
+
+# now passes the NES torture test, docs at http://www.qmtpro.com/~nes/misc/nestest.txt
+# NES ROM available at http://nickmass.com/images/nestest.nes
+# log for passing test available at http://www.qmtpro.com/~nes/misc/nestest.log
+
+
+# Format of test log from the NES test
+# C761  4C 68 C7  JMP $C768                       A:40 X:00 Y:00 P:24 SP:FB CYC:195
+
+
+with open('test.log') as f1, open('test/nestest-real-6502.log') as f2:
+    for i, (line1, line2) in enumerate(zip(f1, f2)):
+        fail = False
+        if line1[0:19] != line2[0:19]:
+            fail = True
+        if line1[48:81] != line2[48:81]:
+            fail = True
+
+        if fail and "NOP" not in line2:
+            print("first diff: line #%d: %s\ngen: %s\nnes: %s\n" % (i, line2[0:19], line1, line2))
+            print("   gen: group 1: %s group 2: %s" % (line1[0:19], line1[48:81]))
+            print("   nes: group 1: %s group 2: %s" % (line2[0:19], line2[48:81]))
+            break
+

run-tests.sh

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+echo "Running NES test"
+echo "***** Note: successful NES test will fail at the first illegal instruction, LAX at line 5259"
+./6502-emu -v -s 0xfd -r 0xc000 -c 300000 test/nestest-real-6502.rom > test.log; python compare.py
+echo
+echo "Running decimal mode test"
+./6502-emu -s 0xfd -c 3000000 -l 0x000a -r 0x1000 test/6502_functional_test+decimal.bin