PIT: add alternative faster PIT

This is enabled by default on 486+ CPUs and can be forced disabled/enabled with pit_mode=0/1
This commit is contained in:
Adrien Moulin
2022-07-23 13:38:10 +02:00
parent 23e082aeea
commit 2aa5d8f5b2
26 changed files with 968 additions and 108 deletions

View File

@@ -135,6 +135,7 @@ extern int is_pentium; /* TODO: Move back to cpu/cpu.h when it's figured out,
how to remove that hack from the ET4000/W32p. */
extern int fixed_size_x, fixed_size_y;
extern double mouse_sensitivity; /* (C) Mouse sensitivity scale */
extern int pit_mode; /* (C) force setting PIT mode */
extern char exe_path[2048]; /* path (dir) of executable */