miscemu/kernel.c

   1 /*
   2 static char RCSId[] = "$Id: kernel.c,v 1.2 1993/07/04 04:04:21 root Exp root $";
   3 static char Copyright[] = "Copyright  Robert J. Amstadt, 1993";
   4 */
   5
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8 #include "prototypes.h"
   9 #include "regfunc.h"
  10 #include "options.h"
  11 #include "stddebug.h"
  12 #include "debug.h"
  13
  14 extern unsigned short WIN_StackSize;
  15
  16 /**********************************************************************
  17  *                                      KERNEL_LockSegment
  18  */
  19 int
  20 KERNEL_LockSegment(int segment)
  21 {
  22     if (segment == -1)
  23         segment = *(Stack16Frame + 6);
  24
  25     if (debugging_relay)
  26         fprintf(stddeb,"LockSegment: segment %x\n", segment);
  27
  28     return segment;
  29 }
  30
  31 /**********************************************************************
  32  *                                      KERNEL_UnlockSegment
  33  */
  34 int
  35 KERNEL_UnlockSegment(int segment)
  36 {
  37     if (segment == -1)
  38         segment = *(Stack16Frame + 6);
  39
  40     if (debugging_relay)
  41         fprintf(stddeb,"UnlockSegment: segment %x\n", segment);
  42
  43     return segment;
  44 }
  45
  46 /**********************************************************************
  47  *                                      KERNEL_InitTask
  48  */
  49 void KERNEL_InitTask(void)
  50 {
  51     _BX = 0x81;
  52     _AX = 1;
  53     _CX = WIN_StackSize;
  54     _DX = Options.cmdShow;
  55     _DI = _DS;
  56
  57 /* FIXME: DI should contain the instance handle of the caller, _DS doesn't
  58           always work as the caller might have changed it. */
  59
  60     _SI = 0;
  61     ReturnFromRegisterFunc();
  62     /* Function does not return */
  63 }
  64
  65 /**********************************************************************
  66  *                                      KERNEL_WaitEvent
  67  */
  68 int
  69 KERNEL_WaitEvent(int task)
  70 {
  71     if (debugging_relay)
  72         fprintf(stddeb,"WaitEvent: task %d\n", task);
  73     return 0;
  74 }