This is a command line tool, so make sure to compile and run asciidraw.c to start creating.
GRID x y -- grid size - 2 integers
CHAR c -- pen - single character
RECTANGLE a,b c,d -- top left corner and bottom right cordner coords - 4 integers
LINE a,b c,d -- endpoint coords - 4 integers
CIRCLE x,y r -- center coords and radius - 3 integers
END -- exits the game
DISPLAY -- displays the grid
GRID 10 10
DISPLAY
9
8
7
6
5
4
3
2
1
0
0123456789
LINE 0,0 4,5
CHAR ^
LINE 0,5 5,0
DISPLAY
9
8
7
6
5^
4 ^ *
3 ^*
2 *^
1 * ^
0* ^
0123456789
END