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
  10 extern unsigned short WIN_StackSize;
  11
  12 /**********************************************************************
  13  *                                      KERNEL_LockSegment
  14  */
  15 int
  16 KERNEL_LockSegment(int segment)
  17 {
  18     if (segment == -1)
  19         segment = *(Stack16Frame + 6);
  20
  21 #ifdef RELAY_DEBUG
  22     printf("LockSegment: segment %x\n", segment);
  23 #endif
  24
  25     return segment;
  26 }
  27
  28 /**********************************************************************
  29  *                                      KERNEL_UnlockSegment
  30  */
  31 int
  32 KERNEL_UnlockSegment(int segment)
  33 {
  34     if (segment == -1)
  35         segment = *(Stack16Frame + 6);
  36
  37 #ifdef RELAY_DEBUG
  38     printf("UnlockSegment: segment %x\n", segment);
  39 #endif
  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     _SI = 0;
  54     ReturnFromRegisterFunc();
  55     /* Function does not return */
  56 }
  57
  58 /**********************************************************************
  59  *                                      KERNEL_WaitEvent
  60  */
  61 int
  62 KERNEL_WaitEvent(int task)
  63 {
  64 #ifdef RELAY_DEBUG
  65     printf("WaitEvent: task %d\n", task);
  66 #endif
  67     return 0;
  68 }