SD:/atmosphere/contents/<title_id>/exefs/<file>.pchtxt @nsobid-<hex_build_id> # This is a comment <address> <original_bytes> <patched_bytes> Example: @nsobid-DEADBEEF12345678 Change one instruction 00123456 00000000 00000001 3. Convert IPS ↔ .pchtxt (Useful Script Idea) If you have an IPS patch and need .pchtxt :

It looks like you’re referring to a for the Nintendo Switch, specifically one that converts or manages .ptc / .htxt / .mods files.