/* keys.c - keyboard input and function key translation */
/* lrs - 2/13/89 */

#include <stdio.h>
#include <bios.h>
#include <ctype.h>
#include "keys.h"
#include "video.h"
/*-----------------------------------------------------------------------*/
int getcmd(void)
  {
  int ch;

  ch = bioskey(0);
  if ((ch & 0xFF) !=0) /* not a function key */
    {
    ch &= 0xFF;
    return (toupper(ch));
    }
  else
    return(ch);
  }    /* getcmd */
/*-----------------------------------------------------------------------*/
unsigned char getkey(char prompt[])
  {
  unsigned char ch;

  at(screenrows()-2,0); in(REVERSE);
  cprintf(prompt);
  in(NORMAL); cleareol();
  ch = getcmd();
  at(screenrows()-2,0); cleareol();
  return(ch);
  } /* getkey */
/*-----------------------------------------------------------------------*/
void getline(char prompt[], char line[])
  {
  at(screenrows()-2,0); in(REVERSE);
  cprintf(prompt);
  in(NORMAL); cleareol();
  gets(line);
  at(screenrows()-2,0); cleareol();
  } /* getline */
/*-----------------------------------------------------------------------*/
void getdec(char prompt[], int* num)
  {
  char tmpstr[20];
  
  getline(prompt, tmpstr);
  if (tmpstr[0] != 0)
    *num = atoi(tmpstr);
  }  /* getdec */
/*-----------------------------------------------------------------------*/
int atoh(char* tmpstr)
  {
  int done, tmpnum;
  char ch;
  done = tmpnum = 0;
  
  while (!done)
    {
    ch = toupper(*tmpstr++);
    if ((ch >= '0') && (ch <= '9'))
      tmpnum = (tmpnum*0x10) + (ch-'0');
    else if ((ch >= 'A') && (ch <= 'F'))
      tmpnum = (tmpnum*0x10) + (ch-'A'+10);
    else
      done = 1;
    }
  return(tmpnum);
  } /* atoh */

void gethex(char prompt[], int* num)
  {
  char tmpstr[20];
  
  getline(prompt, tmpstr);
  if (tmpstr[0] != 0)
    *num = atoh(tmpstr);
  } /* gethex */

/*---- end of keys.c ----*/