diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/emu/softlist_dev.cpp | 2 | ||||
-rw-r--r-- | src/emu/validity.cpp | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/src/emu/softlist_dev.cpp b/src/emu/softlist_dev.cpp index 595e0bb9a73..b65f5f28300 100644 --- a/src/emu/softlist_dev.cpp +++ b/src/emu/softlist_dev.cpp @@ -576,6 +576,8 @@ void software_list_device::internal_validity_check(validity_checker &valid) current_length = ROMREGION_GETLENGTH(romp); if (!data_area_map.emplace(romp->name(), current_length).second) osd_printf_error("%s: %s part %s data area has duplicate name '%s'\n", m_filename, shortname, part.name(), romp->name()); + if (current_length == 0) + osd_printf_error("%s: %s part %s data area '%s' has zero length\n", m_filename, shortname, part.name(), romp->name()); } else if (ROMENTRY_ISFILE(romp)) // if this is a file, make sure it is properly formatted { diff --git a/src/emu/validity.cpp b/src/emu/validity.cpp index 6b44a324ade..4cb6202b4d9 100644 --- a/src/emu/validity.cpp +++ b/src/emu/validity.cpp @@ -2204,6 +2204,8 @@ void validity_checker::validate_roms(device_t &root) current_length = ROMREGION_GETLENGTH(romp); if (!m_region_map.emplace(fulltag, current_length).second) osd_printf_error("Multiple ROM_REGIONs with the same tag '%s' defined\n", fulltag); + if (current_length == 0) + osd_printf_error("ROM region '%s' has zero length\n", fulltag); } else if (ROMENTRY_ISSYSTEM_BIOS(romp)) // If this is a system bios, make sure it is using the next available bios number { |