Mach64 ISA/VLB LFB update of the day (March 30th, 2025)

The LFB can now be enabled properly on the ISA/VLB variants of the Mach64GX.
2025-03-30 23:17:58 +02:00
parent 79dc8b9f88
commit 8ff30ab2e6
1 changed files with 3 additions and 0 deletions
--- a/src/video/vid_ati_mach64.c
+++ b/src/video/vid_ati_mach64.c
@@ -3768,6 +3768,9 @@ mach64_ext_outb(uint16_t port, uint8_t val, void *priv)
        case 0x6aee:
        case 0x6aef:
            WRITE8(port, mach64->config_cntl, val);
+            if (!mach64->pci)
+                mach64->linear_base = (mach64->config_cntl & 0x3ff0) << 18;
+
            mach64_updatemapping(mach64);
            break;