crasm software package provides Cross assembler for 6800/6801/6803/6502/65C02/Z80, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install crasm
crasm is installed in your system.
Make ensure the crasm package were installed using the commands given below,
$ sudo dpkg-query -l | grep crasm *
You will get with crasm package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Development |
| Package | crasm |
| Version | 1.5-1+b1 [armel, ia64], 1.5-1 |
| Description | Cross assembler for 6800/6801/6803/6502/65C02/Z80 |
| Sub Section | devel |