ATI Pre-Mach64 (Mach8, Mach32) changes

Satisfy refresh rates correctly on said chips and add the clock chip of the add-on 8514/A Ultra.
2025-08-14 00:15:14 +02:00
parent 7045402a6a
commit e4bc827ef4
5 changed files with 78 additions and 19 deletions
--- a/src/include/86box/vid_svga.h
+++ b/src/include/86box/vid_svga.h
@@ -140,6 +140,7 @@ typedef struct svga_t {
    int vblankend;
    int render_line_offset;
    int start_retrace_latch;
+    int vga_mode;

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