v0.2.0-beta - 6502 SBC Rev 2 — Breadboard to PCB

Pre-release: PCB design files

KiCad schematic and PCB layout for review. Not yet fabricated — looking for feedback before ordering boards.

Changes from breadboard

• Proper power filtering (bulk + per-chip decoupling)
• Expansion header for future SPI/I2C
• LED indicators on address bus A15/A14 for debug
• Board dimensions: 100x80mm, 2-layer