ucos關于intel8051的移植

ucos關于intel8051的移植:/*
*************************************************
*????????????????????????????????????????? PC SUPPORT FUNCTIONS
*
*??????????????????????? (c) Copyright 1992-1998, Jean J. Labrosse, Plantation, FL
*?????????????????????????????????????????? All Rights Reserved
*
* File : PC.C
* By?? : Jean J. Labross
*********************************************************
*/

#include "ucos_ii.h"
#include "pc.h"
#include
#include
#include

/*
PC display by KC51 emulation
*/

#define interrupt
#define far?xdata
#define MK_FP(s, o)??((INT8U xdata *)(INT16U)(o))
#define getvect(vect)?((vect=vect),((void*)NULL))
#define setvect(vect, isr)?(vect=vect, isr=isr)
int OSTickDOSCtr;

const char code * const code ExitNotice[]=
{
?"Exit program",
?"Program has terminated",
?"Reset the processor to restart the program"
};

bit kbhit() KCREENTRANT;
INT8U getch() KCREENTRANT;

void exit(INT8U ec) KCREENTRANT
{
?static char str[64];
#if OS_CRITICAL_METHOD == 3
??? OS_CPU_SR cpu_sr;
#endif

??? OS_ENTER_CRITICAL();
?for(;;)