Devlogs
Improved introduction

SIC-1A browser game made in HTML5
This is a small update to improve new players' initial experience and tweak SIC-1 Assembly in response to player feedback:
- Simplified the first two nontrivial puzzles
- Added a separate, printable HTML manual
- Added tooltips to charts
- Added support for negated labels
- Added support for number-only label names (e.g. "@1")
- Updated charts