/*
1. Compiler: TC 2.0
2. Mode: Large
3. Project: Syskey.prj
   	    Syskey.c
	    ..\lib\8000l.lib
	    ..\lib\tcpipl.lib
4. Explain: To show the botten name which you cilck on monitor.
5. Hordware: 8831
It's compiled by Tony
-----------------------------------------------------------------------------------
*/

#include<stdlib.h>
#include<stdio.h>
#include<conio.h>
#include<dos.h>
#include<string.h>
#include"..\LIB\8000.h"
#include"..\LIB\vxcomm.h"
/*----------------------------------------------------------------------------------*/

int IsSystemKey(void);
int GetSystemKey(void);
void ClearSystemKey(void);
unsigned char far *KeyStatus=(char far *)0x00400078;

void main(void)
{ 
  int quit=0;
  unsigned char oldKeyStatus=0xff;
  int type;
  int ver;
  
  type=Is8000();		/*detect the current operation system*/
   if(type)
     {
     ver=GetLibVersion();
     Print("Hello 8831! (Flash memory is %d K)\n\r",type);
     Print("Library version is %d.%02d",ver>>8,ver&0xff);
     }
   else
     {
     Print("Hello PC!, this program is not run under 8831.");
     return;
     }

  Print("Test system key...\n\r");
  ClearSystemKey();
  while(!quit){
     if(IsSystemKey()){
	switch(GetSystemKey()){
	  case SKEY_UP:
	       Print("UP KEY\n\r");
	       break;
	  case SKEY_DOWN:
	       Print("DOWN KEY\n\r");
	       break;
	  case SKEY_SET:
	       Print("SET KEY\n\r");
	       break;
	  case SKEY_MODE:
	       Print("MODE KEY\n\r");
	       break;
	}
     }
     if(oldKeyStatus != *KeyStatus){
	oldKeyStatus = *KeyStatus;
	Print("KeyStatus=%X ",oldKeyStatus);
	if(oldKeyStatus & SKEY_MODE_DOWN) Puts("[MODE]");
	if(oldKeyStatus & SKEY_UP_DOWN) Puts("[UP]");
	if(oldKeyStatus & SKEY_DOWN_DOWN) Puts("[DOWN]");
	if(oldKeyStatus & SKEY_SET_DOWN) Puts("[SET]");
	if(oldKeyStatus & 0x0F) Puts(" --> is press down\n\r");
	if(!(oldKeyStatus & 0x0F)) Puts("All key released\n\r");
     }
     if(Kbhit()){
	if(Getch()=='q') quit=1;
     }
  }
}