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Add trap for divide by zero in expression library
Added a trap for division by zero in the expression library and adjusted
lwasm to use it and report division by zero errors instead of crashing with
a cryptic "arithmetic exception" or even more mysterious "floating point
exception".
author | William Astle <lost@l-w.ca> |
---|---|
date | Fri, 25 Jan 2013 21:48:01 -0700 |
parents | 03f425c6c39c |
children | 69adaab94ffd |
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This is LWTOOLS, a cross development system targetting the 6809 CPU. It consists of an assembler, lwasm, a linker, lwlink, and an archiver, lwar which should compile on any reasonably modern POSIX environment. If you have problems building, make sure you are using GNU make. Other make programs may work but GNU make is known to work. To see if a quick build will work, just type "make". If it works, you're ready to go ahead with "make install". This will install in /usr/local/bin. If you feel adventurous, you can also run the test suite by running "make test". However, be warned that it is likely not going to work unless you are running on a fairly standard unix system with perl in /usr/bin/perl. See docs/ for additional information.