Datasheet

179
SAM4S Series [DATASHEET]
11100F–ATARM–29-Jan-14
; branch table
Case1
; an instruction sequence follows
Case2
; an instruction sequence follows
Case3
; an instruction sequence follows
BranchTable_Byte
DCB0 ; Case1 offset calculation
DCB((Case2-Case1)/2) ; Case2 offset calculation
DCB((Case3-Case1)/2) ; Case3 offset calculation
TBH [PC, R1, LSL #1] ; R1 is th
e index, PC is used as base of
the
; branch table
BranchTable_H
DCI((CaseA - BranchTable_H)/2) ; CaseA offset calculation
DCI((CaseB - BranchTable_H)/2) ; CaseB offset calculation
DCI((CaseC - BranchTable_H)/2) ; CaseC offset calculation
CaseA
; an instruction sequence follows
CaseB
; an instruction sequence follows
CaseC
; an i
nstruc
tion sequence follows