diff options
author | 2021-12-10 01:26:42 +1100 | |
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committer | 2021-12-10 01:26:42 +1100 | |
commit | 9b44fb29cc8d9809b17e9dd0009576574b25145a (patch) | |
tree | ad07c00e4e2bcf4bf51102bd1949d69a747ceae6 /src/frontend/mame/ui/devopt.cpp | |
parent | 6092dcbb5e0f7356f4e2bb634c62dc7adabf66d3 (diff) | |
parent | a35ca34d96d13c9cc45d0b2456f3e09baa524bb8 (diff) |
Merge remote-tracking branch 'upstream/master'
Diffstat (limited to 'src/frontend/mame/ui/devopt.cpp')
-rw-r--r-- | src/frontend/mame/ui/devopt.cpp | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/src/frontend/mame/ui/devopt.cpp b/src/frontend/mame/ui/devopt.cpp index cfb277127fd..c9a2c7f4360 100644 --- a/src/frontend/mame/ui/devopt.cpp +++ b/src/frontend/mame/ui/devopt.cpp @@ -120,13 +120,16 @@ void menu_device_config::populate_text(std::optional<text_layout> &layout, float } else { - std::string hz(std::to_string(u32(screen.frame_period().as_hz() * 1'000'000 + 0.5))); - size_t dpos = hz.length() - 6; - if (dpos == 0) - hz.insert(dpos++, "0"); - hz.insert(dpos, "."); - size_t last = hz.find_last_not_of('0'); - hz = hz.substr(0, last + (last != dpos ? 1 : 0)); + const u32 rate = u32(screen.frame_period().as_hz() * 1'000'000 + 0.5); + const bool valid = rate >= 1'000'000; + std::string hz(valid ? std::to_string(rate) : "?"); + if (valid) + { + size_t dpos = hz.length() - 6; + hz.insert(dpos, "."); + size_t last = hz.find_last_not_of('0'); + hz = hz.substr(0, last + (last != dpos ? 1 : 0)); + } const rectangle &visarea = screen.visible_area(); layout->add_text( |