diff options
author | 2021-12-08 17:49:04 +0100 | |
---|---|---|
committer | 2021-12-08 17:49:04 +0100 | |
commit | a435da6f9bd16871e5e7c562bd3ce591e0a04379 (patch) | |
tree | 2cf3698f870cc465feb8a6699a1e9e240e046b0f /src/frontend/mame/ui/devopt.cpp | |
parent | acfd3ea4f6d851e517cdf7f0c33d50afe3daae1f (diff) |
screen: report refresh rate <1hz as error in validity check
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( |