ATI VGA mode fixes:

1. Fixed 4-bit packed modes. 2. Preparation of fixing the 2-bit modes. 3. Extra: fixed the accelerator mode switches again (Mach8/32 only).
2023-12-27 16:07:03 +01:00
parent c240db50ba
commit 1798b2e51c
4 changed files with 82 additions and 75 deletions
--- a/src/include/86box/vid_svga.h
+++ b/src/include/86box/vid_svga.h
@@ -128,6 +128,8 @@ typedef struct svga_t {
    int hblank_sub;
    int hblank_end_val;
    int hblank_end_len;
+    int packed_4bpp;
+    int ati_4color;

    /*The three variables below allow us to implement memory maps like that seen on a 1MB Trio64 :
      0MB-1MB - VRAM