Add PIT defines

src/Home/DoDistro.CC

@@ -4,7 +4,7 @@
 
 U0 MakeMyISO(U8 *_out_iso_filename)
 {//Does everything with current drive.
-//If you have not recompiled $GREEN$Kernel$FG$ and defined your CD/DVD drive, use $LK,"Mount",A="MN:Mount"$.
+//If you have not recompiled $FG,2$Kernel$FG$ and defined your CD/DVD drive, use $LK,"Mount",A="MN:Mount"$.
   U8 *out_iso_filename=FileNameAbs(_out_iso_filename);
   if (!DriveIsWritable) {
     "Drive must be writable.  Install on Hard drive, first.\n";
@@ -22,6 +22,7 @@ U0 MakeMyISO(U8 *_out_iso_filename)
 
   CopyTree(BOOT_DIR,	"/Distro" BOOT_DIR);
   CopyTree("/Home",	"/Distro/Home");
+  Del("/Distro/Home/Registry.CC");
   CopyTree("/Zenith",	"/Distro/Zenith");
   CopyTree("/Apps",	"/Distro/Apps");
   CopyTree("/Compiler",	"/Distro/Compiler");

src/Home/MakeHome.CC

@@ -0,0 +1,13 @@
+Cd(__DIR__);;
+
+//If these are not present in /Home, it uses the version in the root dir.  You
+//can make your own, modified, version of these files in your /Home directory.
+#include "~/HomeLocalize"
+#include "/Zenith/Boot/MakeBoot"
+#include "/Zenith/Utils/MakeUtils"
+#include "~/HomeWrappers"
+MapFileLoad("::/Kernel/Kernel");
+MapFileLoad("::/Compiler/Compiler");
+#include "~/HomeKeyPlugIns"
+#include "~/HomeSys"
+Cd("..");;

src/Kernel/KMain.CC

@@ -102,10 +102,10 @@ U0 TimersInit()
   I64 i,*_q;
   U32 *_d;
 
-  OutU8(0x43,0x34);
-  OutU8(0x40,SYS_TIMER0_PERIOD);
-  OutU8(0x40,SYS_TIMER0_PERIOD>>8);
-
+  OutU8(PIT_CMD, PIT_CMDF_CHANNEL0 | PIT_CMDF_OPMODE_RATE_GEN | PIT_CMDF_ACCESS_WORD);
+  OutU8(PIT0,SYS_TIMER0_PERIOD);
+  OutU8(PIT0,SYS_TIMER0_PERIOD >> 8);
+
   //High Precision Event Timer
   if (PCIReadU16(0,31,0,0)==0x8086) {//Intel?
 //D31 F0, config 0xF0=RCBA of PCI-LPC Bridge
@@ -138,7 +138,7 @@ U0 Reboot(Bool format_ramdisks=FALSE)
       Format('A',,FALSE,FSt_REDSEA);
     if (DriveIsWritable('B'))
       Format('B',,FALSE,FSt_REDSEA);
-  }
+  }
   CLI
   if (mp_count>1)
     MPHalt;

src/Kernel/KMisc.CC

@@ -66,9 +66,10 @@ I64 SysTimerRead()
   if (mp_count>1)
     while (LBts(&sys_semas[SEMA_SYS_TIMER],0))
       PAUSE
-  OutU8(0x43,0); //Latch Timer0
-  if ((i=InU8(0x40)+InU8(0x40)<<8)==SYS_TIMER0_PERIOD) {
-    if (InU8(0x20) & 1)
+  OutU8(PIT_CMD, PIT_CMDF_CHANNEL0); //Latch Timer0
+  if ((i=InU8(PIT0) + InU8(PIT0) << 8) == SYS_TIMER0_PERIOD)
+  {
+    if (InU8(0x20) & 1)
       i=-1;
   }
   res=counts.timer+SYS_TIMER0_PERIOD-i;
@@ -188,9 +189,9 @@ U0 Sound(I8 ona=0)
     } else if (ona!=screencast.ona) {
       screencast.ona=ona;
       period=ClampI64(SYS_TIMER_FREQ/Ona2Freq(ona),1,U16_MAX);
-      OutU8(0x43,0xB6);
-      OutU8(0x42,period);
-      OutU8(0x42,period.u8[1]);
+      OutU8(PIT_CMD,PIT_CMDF_CHANNEL2 | PIT_CMDF_OPMODE_SQUARE_WAVE | PIT_CMDF_ACCESS_WORD);
+      OutU8(PIT2,period);
+      OutU8(PIT2,period.u8[1]);
       OutU8(0x61,3|InU8(0x61));
     }
     if (!IsDebugMode && screencast.record) {

src/Kernel/KernelA.HH

@@ -549,6 +549,19 @@ class CAP16BitInit
   CSysLimitBase ap_gdt_ptr;
 };
 
+#help_index "Time/PIT"
+//Programmable Interval Timer
+#define PIT0	0x40
+#define PIT1	0x41
+#define PIT2	0x42
+#define PIT_CMD	0x43
+
+#define PIT_CMDF_OPMODE_RATE_GEN	0x04
+#define PIT_CMDF_OPMODE_SQUARE_WAVE	0x06
+#define PIT_CMDF_ACCESS_WORD		0x30
+#define PIT_CMDF_CHANNEL0		0x00
+#define PIT_CMDF_CHANNEL2		0x80
+
 #help_index "Time/CPU Cycles;Time/HPET;Time/Jiffies"
 //High Performance Event Timer
 #define HPET_GCAP_ID	(0xFED00000+0x00)
@@ -1495,7 +1508,7 @@ public class CWinMgrGlobals
 #define ACf_INIT_IN_PROGRESS	0
 #define ACf_LAST_WAS_KEYMAP	1
 
-#define AC_FILLINS_NUM		12
+#define AC_FILLINS_NUM		12
 public class CAutoCompleteGlobals
 {
   I64	col,row,old_col,old_row,num_words;