PsiFS_CheckUID (SWI &520CE) | |||
Calculate the checksum for a UID | |||
On entry: | R0 = | UID1 | |
R1 = | UID2 | ||
R2 = | UID3 | ||
On exit: | R0 = | calculated checksum, UID4 | |
Interrupts: | Interrupt status is undefined Fast interrupts are enabled | ||
Processor mode: | Processor is in SVC mode | ||
Re-entrancy: | SWI is not re-entrant | ||
Use: | Calculate the checksum for an EPOC UID. The resulting value should be used for UID4. | ||
Related SWIs: | None | ||
Related vectors: | None |
[Contents] [Up] | Copyright © Alexander Thoukydides, 1998, 1999, 2000 |