Version 1.04

Changes

• Fix scroll edge artifacts (CRT overscan simulation for offset-per-tile modes)
• Implement SuperFX (GSU) chip emulation - work in progress
• Fix version display (1.03 was showing as 1.3)

Firmware

• frank-snes_m1_1_04.uf2 — Board variant M1
• frank-snes_m2_1_04.uf2 — Board variant M2