Checkerboard test v1

Displays a full-screen checkerboard pattern to test clock and phase on with VGA or other analog connections.

Which file you should get?
If you're running Windows on a regular x64 (AMD/Intel) CPU: Pat-winx64.exe
If you're running Windows on ARM: Pat-winARM64.exe

If you're running an Intel Mac: Pat-macx64a
If you're running M1 or newer Mac: Pat-macARM64

If you're running Linux on a regular x64 (AMD/Intel) CPU: Pat-linuxx64
If you're running Linux on ARM: Pat-linuxARM64

For non-Windows systems, you'll need to make the program executable using chmod +x <name of executable>