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FAST Serial Protocol: Overview & First Steps

This documentation section is about the FAST Serial Protocol (FSP) commands, which are the low-level commands a host computer sends to a FAST board. Most FAST Pinball makers do not need to know about these details, since the pinball game framework (such as the Mission Pinball Framework) handles this communication for you.

If you're writing your own game framework, read the overview of how FSP works and how to connect first.

B1: Send display frame to Classic DMD

B1:<4096 bytes>

Note, this command is for the DMD processor, not the NET processor. You can confirm which processor you're connected to with the ID: command. Make sure it looks something like this:

ID:DMD FP-CPU-002-1 00.87

SEND FRAME 16 shade byte per pixel, byte array (content is deplaned in hardware)


MODE (4 shades or 16 shades, plasma or lcd, etc)

Warning: There is no timeout in this command.

Documentation Feedback? Requests? Confused?

Hi! I'm Brian, and I'm responsible for the documentation at FAST Pinball. If you have any feedback, requests, corrections, ideas, or any other thoughts about this documentation, please let me know! You can email me at Thanks!

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