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control: Fix PAL/NTSC interlaced display.

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This commit is contained in:
joevt 2024-04-08 16:15:56 -07:00 committed by dingusdev
parent e8ce805f2a
commit c6ea3a374e
1 changed files with 7 additions and 1 deletions
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8
devices/video/control.cpp
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@ -586,6 +586,9 @@ void ControlVideo::enable_display()
// set framebuffer parameters
this->fb_ptr = &this->vram_ptr[this->fb_base];
this->fb_pitch = this->row_words;
if (~this->enables & SCAN_CONTROL) {
this->fb_pitch >>= 1;
}
this->pixel_depth = this->radacal->get_pix_width();
if (swatch_params[ControlRegs::HAL-1] != swatch_params[ControlRegs::PIPE_DELAY-1] + 1 || this->pixel_depth == 32) {
@ -650,7 +653,10 @@ void ControlVideo::enable_display()
// set up periodic timer for display updates
if (this->active_width > 0 && this->active_height > 0 && this->pixel_clock > 0) {
this->refresh_rate = (double)(this->pixel_clock) / (this->hori_total * this->vert_total);
LOG_F(INFO, "Control: refresh rate set to %f Hz", this->refresh_rate);
if (~this->enables & SCAN_CONTROL) {
this->refresh_rate *= 2;
}
LOG_F(INFO, "%s: refresh rate set to %f Hz", this->name.c_str(), this->refresh_rate);
this->start_refresh_task();