miscemu/kernel.c

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