PIT: add alternative faster PIT

This is enabled by default on 486+ CPUs and can be forced disabled/enabled with pit_mode=0/1
2022-07-23 13:38:10 +02:00
parent 23e082aeea
commit 2aa5d8f5b2
26 changed files with 968 additions and 108 deletions
--- a/src/machine/m_xt_zenith.c
+++ b/src/machine/m_xt_zenith.c
@@ -122,7 +122,7 @@ machine_zenith_init(const machine_t *model){

    device_add(&zenith_scratchpad_device);

-    pit_ctr_set_out_func(&pit->counters[1], pit_refresh_timer_xt);
+    pit_devs[0].set_out_func(pit_devs[0].data, 1, pit_refresh_timer_xt);

    device_add(&keyboard_xt_zenith_device);