A: Similar but not identical. IPS is a binary patch format. Some tools convert IPS ↔ pchtxt. Atmosphere prefers pchtxt for text readability.
(patch text) files which are used to modify game behavior at runtime without altering the original game files. These are commonly used for: Performance Improvements
These modify the game’s machine code (the instructions the CPU executes). A switch-ptchtxt-mod is a human-readable text representation of those binary changes. They can:
@nsobid-XXXXXXXXXX @flag print_values @flag offset_shift 0x100
Switch-PTCHTXT-MODS is a fictional (or unspecified) term—I'll assume you want a clear, reusable content piece explaining what it could be and how to use it. I'll present: definition, use cases, technical spec, examples, and troubleshooting.