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Furrtek
34.9K posts
- Two years ago I made myself a badge with one of those cool Sharp in-pixel memory LCDs and a MAX 10 FPGA just for the heck of it. Made a few others (with a MCU) as commissions since then :)
00:00 - TIL about the existence "font chips", tiny serial ROMs packed with charsets to save space on MCUs. Here's GT20L16S1Y:
- The 36 pages of reverse-engineered schematics for the original Game Boy chip (minus CPU) are on Github: github.com/furrtek/DMG-CP… #Gameboy #Nintendo
- Figured out how the #NeoGeo does horizontal shrinking without a table: combinational logic, shift registers and a 2:1 mux ! (Animated by hand, hope there aren't too many glitches)
GIF - The Starfox chip ! 🦊 Also known as Super FX, MARIO CHIP 1, or LR38173. A 2-metal gate array with embedded RAM made by Sharp.









