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atimach64gx: Make sure refresh rate is reasonable.

This commit is contained in:
joevt 2024-02-28 01:55:54 -08:00 committed by dingusdev
parent a190d5cbd9
commit eb1d5d0a6d
1 changed files with 6 additions and 0 deletions
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6
devices/video/atimach64gx.cpp
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@ -548,6 +548,12 @@ void AtiMach64Gx::crtc_update()
// calculate display refresh rate
this->refresh_rate = this->pixel_clock / this->hori_total / this->vert_total;
if (this->refresh_rate < 24 || this->refresh_rate > 120) {
LOG_F(ERROR, "%s: Refresh rate is weird. Will try 60 Hz", this->name.c_str());
this->refresh_rate = 60;
this->pixel_clock = this->refresh_rate * this->hori_total / this->vert_total;
}
// set up frame buffer converter
switch (this->pixel_format) {
case 2: