snarez/calculon — pull request #16 by richo (2013-10-07 11:07:59+00:00)
Title: Don't try to print negative ascii values

Steps to reproduce:

```
calculon v1.0

h 0x0
d 0
o 0
a ........
u

63 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 48
47 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 32
31 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 16
15 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

>>> -1
```

Press return. Lol.