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platinum: Fix PAL/NTSC interlaced display.

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This commit is contained in:
joevt
2024-05-03 05:38:51 -07:00
committed by dingusdev
parent 2253e6c595
commit 3e88c161c1
1 changed files with 7 additions and 0 deletions
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devices/memctrl/platinum.cpp
+7
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@@ -501,6 +501,9 @@ void PlatinumCtrl::enable_display() {
// set framebuffer parameters
this->fb_ptr = &this->vram_ptr[this->fb_offset] + 16;
this->fb_pitch = this->row_words;
if (this->fb_config_1 & CFG1_INTERLACE) {
this->fb_pitch >>= 1;
}
int new_pixel_depth = this->dacula->get_pix_width();
if (new_pixel_depth != this->pixel_depth)
@@ -540,6 +543,10 @@ void PlatinumCtrl::enable_display() {
}
float new_refresh_rate = (double)(this->pixel_clock) / (this->hori_total * this->vert_total);
if (this->fb_config_1 & CFG1_INTERLACE) {
new_refresh_rate *= 2;
}
if (new_refresh_rate != this->refresh_rate)
did_refresh_rate_change = true;
this->refresh_rate = new_refresh_rate;