dcc6502 v2.0

dcc6502 v2.0 release

Major clean-up and bugfix release of dcc6502. This release takes 15 years of C experience and slaps it onto the original "I'm learning C" version ;)

Fixes include:

• Better handling of command-line errors
• Lots of off-by-one corner cases fixed
• Better alignment of whitespace in output
• Normalized case for all hex values
• Corrected cycle-counting for all instructions
• Simplification and clean-up of source code
• Better help for command-line usage

Original version 1.4 binary

Original release of dcc6502 v1.4 for Win32. Minor bugfixes over v1.1/v1.2 that are widely available online.