Analog Devices ADSP-BF53x Blackfin Reference page 9

Subroutines ........................................................................... 4-13
Stack Variables and Parameter Passing ................................ 4-15
Condition Code Flag ............................................................. 4-18
Conditional Branches ........................................................ 4-19
Conditional Register Move ................................................ 4-20
Branch Prediction .................................................................. 4-20
Hardware Loops .......................................................................... 4-21
Two-Dimensional Loops ........................................................ 4-24
Loop Unrolling ..................................................................... 4-26
Saving and Resuming Loops .................................................. 4-27
Example Code for Using Hardware Loops in an ISR .......... 4-28
Events and Interrupts .................................................................. 4-29
System Interrupt Processing ................................................... 4-31
System Peripheral Interrupts .................................................. 4-33
SIC_IWR Register ................................................................. 4-34
SIC_ISR Register .................................................................. 4-35
SIC_IMASK Register ............................................................ 4-36
System Interrupt Assignment Registers (SIC_IARx) ................ 4-37
Core Event Controller Registers ............................................. 4-38
IMASK Register ................................................................ 4-38
ILAT Register ................................................................... 4-39
IPEND Register ................................................................ 4-40
Event Vector Table ................................................................ 4-41
ADSP-BF53x/BF56x Blackfin Processor Programming Reference
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