2D Grid

/*
* Use A, S, D, and W to move the icon
* across the grid.
*/
#include <cstdio>
#include <cstdlib>
#include <conio.h>
#define width 10
void printmap(char grid[][width],int h,int w);
void fill(char grid[][width],int h,int w,char c);

char map[10][width];

int main() {
   fill(map,10,10,'.');
   map[1][1]='0';
   printmap(map,10,10);
   int x=1,y=1;
   while (true) {
      map[x][y]='.';
      int i;
      while (i==0) {
         i=kbhit();
      }
      char c=getch();
      switch (c) {
         case 97: //ascii a
            if (y==1) {y=10;} else {y--;}
            break;
         case 115: //ascii s
            if (x==10) {x=1;} else {x++;}
            break;
         case 100: //ascii d
            if (y==10) {y=1;} else {y++;}
            break;
         case 119: //ascii w
            if (x==1) {x=10;} else {x--;}
            break;
      }
      map[x][y]='0';
      system("cls");
      printmap(map,10,10);
   }
   system("pause>nul");
   return 0;
}

void printmap(char grid[][width],int h,int w) {
   for (int i=1;i<=h;i++) {
      for (int j=1;j<=w;j++) {
         printf("%c",grid[i][j]);
      }
      printf("\n");
   }
}
void fill(char grid[][width],int h,int w,char c) {
   for (int i=1;i<=h;i++) {
      for (int j=1;j<=w;j++) {
         grid[i][j]=c;
      }
   }
}