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README.md		README.md
nmk-111.svg		nmk-111.svg
nmk-111.v		nmk-111.v
nmk-111_RE.png		nmk-111_RE.png
nmk-111_pinout.txt		nmk-111_pinout.txt
nmk-111_sch.pdf		nmk-111_sch.pdf

README.md

NMK-111

NEC CMOS-4(?) gate array. Model 65006 in a QFP64 package

16-bit bus handling logic. Tipically used for latching RGB output stage (previous to DAC) and handling palette RAM. Also used for handling BG VRAM.

SVG file could be overlapped on die image from: https://siliconpr0n.org/archive/doku.php?id=furrtek:nmk:111

Huge thanks to:

@furrtek for decapping and imaging the silicon die
Caius for donating the chip