community

Community Examples

Example	Description
find_items	Demonstrates locating a named kernel item (MathSemaphore) via FindSemaphore() and dereferencing it with LookupItem() to inspect internal fields such as the n_Item number.
folio	Demonstrates creating and using a custom SWI folio (ExampleFolio) with both user-callable and SWI-callable functions (AddI32, SubI32, MADAMRev, CLIORev), showing how to open, invoke, and close a folio.
overwrite_folio_func	Demonstrates low-level runtime patching of a folio's function table by using svc_mem to directly overwrite the MulUF16 and Cross3_F16 function pointers inside the Operamath folio with custom implementations.
read_rom	Demonstrates reading hardware memory regions using svc_mem, dumping 1MB of ROM1, 1MB of ROM2, and 32KB of NVRAM into RAM, then computing and displaying CRC32B checksums for each region.