Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD データシート
製品コード
ATSAM4S-WPIR-RD
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
186
Examples
ADR.W
R0, BranchTable_Byte
TBB
[R0, R1]
; R1 is the index, R0 is the base address of the
; branch table
Case1
; an instruction sequence follows
Case2
; an instruction sequence follows
Case3
; an instruction sequence follows
BranchTable_Byte
DCB
0
; Case1 offset calculation
DCB
((Case2-Case1)/2)
; Case2 offset calculation
DCB
((Case3-Case1)/2)
; Case3 offset calculation
TBH
[PC, R1, LSL #1]
; R1 is the 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 instruction sequence follows