diff options
Diffstat (limited to 'src/emu/validity.cpp')
-rw-r--r-- | src/emu/validity.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/emu/validity.cpp b/src/emu/validity.cpp index dd70af41506..ff29b1b7442 100644 --- a/src/emu/validity.cpp +++ b/src/emu/validity.cpp @@ -514,9 +514,13 @@ void validity_checker::validate_inlines() testi32a = (testi32a & 0x0000ffff) | 0x400000; if (count_leading_zeros(testi32a) != 9) osd_printf_error("Error testing count_leading_zeros\n"); + if (count_leading_zeros(0) != 32) + osd_printf_error("Error testing count_leading_zeros\n"); testi32a = (testi32a | 0xffff0000) & ~0x400000; if (count_leading_ones(testi32a) != 9) osd_printf_error("Error testing count_leading_ones\n"); + if (count_leading_ones(0xffffffff) != 32) + osd_printf_error("Error testing count_leading_ones\n"); } @@ -1921,7 +1925,8 @@ void validity_checker::validate_devices() validate_tag(device.basetag()); // look for duplicates - if (!device_map.insert(device.tag()).second) + bool duplicate = !device_map.insert(device.tag()).second; + if (duplicate) osd_printf_error("Multiple devices with the same tag defined\n"); // check for device-specific validity check @@ -1932,7 +1937,7 @@ void validity_checker::validate_devices() // if it's a slot, iterate over possible cards (don't recurse, or you'll stack infinite tee connectors) device_slot_interface *const slot = dynamic_cast<device_slot_interface *>(&device); - if (slot != nullptr && !slot->fixed()) + if (slot != nullptr && !slot->fixed() && !duplicate) { for (auto &option : slot->option_list()) { |