F18A MK1 Video Display Processor with VGA FPC Cable

The F18A MK1 Video Display Processor with VGA FPC Cable distributed by Arcade Shopper is a premium, FPGA-based hardware upgrade designed to replace the original, noisy analog video chips in early 1980s retro-computers and game consoles. It is widely celebrated by Coleco ADAM and ColecoVision enthusiasts as the ultimate way to achieve a razor-sharp, pixel-perfect digital video output on modern displays.

Core Technology & Features

• The FPGA Core: The board functions as a direct, pin-compatible hardware replacement for the vintage Texas Instruments TMS9918A/9928A Video Display Processor (VDP) family.
• True VGA Output: It bypasses the console's native, interference-heavy RF and composite video mixing sub-circuits completely, synthesizing graphics purely in the digital domain to output a pristine 640x480 at 60Hz VGA signal.
• Enhanced Sprite Capabilities: It structurally improves gameplay visuals by eliminating vintage system limitations, allowing the hardware to display up to 32 sprites on a single horizontal line simultaneously without causing classic retro screen flickering.
• Virtual Scanlines: The firmware includes a built-in toggle option to render virtual scanlines, giving modern monitors a nostalgic, authentic CRT television look.

Hardware Redesign (MK1 Model)

The updated iteration of the F18A distributed via Arcade Shopper features critical engineering improvements over Matthew Hagerty's 2012 original design:

• Smaller Form Factor: The original F18A board was twice as wide as the native DIP-40 socket, causing severe clearance issues inside cramped console motherboards. The new model features a streamlined footprint to fit into tight component bays easily.
• FPC Flex Cable System: It replaces older, stiff wiring configurations with a flexible Flat Printed Circuit (FPC) ribbon cable, ensuring a highly reliable signal path that is easily routed around internal console shielding.
• Custom VGA Header: The breakout terminal board features a dedicated 15-pin connector that layout includes a custom integrated audio-out jack, resolving the vintage issue of background audio buzzing by separating sound completely from the main board.

ADAM Installation & Power Perks:

When installed inside a Coleco ADAM Memory Console, the F18A delivers a major secondary hardware benefit: it eliminates the need for the original 16K video RAM field and the negative 5-volt (-5V) rail that natively powered it. Because vintage DRAM chips are notorious for drawing excess power and causing system crashes if rails fluctuate, cutting them completely out of the equation drastically drops internal case temperatures and prolongs the lifespan of your machine.

Where to Buy

The complete upgrade assembly can be sourced directly through the creator's boutique store:

• Secure the full kit on the Arcade Shopper Classic Computers Store for approximately $95.00 to $110.00 depending on active production batch volumes.