S3: Fixed CRTC to PCI BAR mapping, fixes #4745.

2024-08-26 04:36:23 +02:00
parent 0da8a3987b
commit ba859d7351
2 changed files with 20 additions and 33 deletions
--- a/src/video/vid_s3_virge.c
+++ b/src/video/vid_s3_virge.c
@@ -4203,7 +4203,7 @@ s3_virge_pci_write(UNUSED(int func), int addr, uint8_t val, void *priv)
            s3_virge_updatemapping(virge);
            return;
        case 0x07:
-            virge->pci_regs[0x07] = val & 0x3e;
+            virge->pci_regs[0x07] &= ~(val & 0x30);
            return;
        case 0x0d:
            virge->pci_regs[0x0d] = val & 0xf8;