C&T: Clear bit 7 of CRTC register 0x40 on vertical blank start, fixes DirectDraw hangs

2024-02-16 12:32:58 +06:00
parent 8bf3751c98
commit 19b8dbb1d2
1 changed files with 1 additions and 0 deletions
--- a/src/video/vid_chips_69000.c
+++ b/src/video/vid_chips_69000.c
@@ -2202,6 +2202,7 @@ chips_69000_vblank_start(svga_t *svga)
 {
    chips_69000_t  *chips  = (chips_69000_t *) svga->priv;
    chips->mem_regs[1] |= 1 << 14;
+    chips->svga.crtc[0x40] &= ~0x80;
    
    chips_69000_interrupt(chips);
 }