iv s3c2410a 微处理器
表格 的 内容(持续)
chapter 3 arm 操作指南 设置
操作指南 设置 summay.......................................................................................................................3-1
format summary ........................................................................................................................3-1
操作指南 summary....................................................................................................................3-2
这 情况 地方..............................................................................................................................3-4
branch 和 exchange (bx)...................................................................................................................3-5
操作指南 循环 时间................................................................................................................3-5
assembler syntax .......................................................................................................................3-5
使用 r15 作 一个 operand ............................................................................................................3-5
branch 和 branch 和 link (b, bl)......................................................................................................3-7
这 link 位 ................................................................................................................................3-7
操作指南 循环 时间................................................................................................................3-7
assembler syntax .......................................................................................................................3-8
数据 处理..................................................................................................................................3-9
cpsr flags................................................................................................................................3-11
Shifts .........................................................................................................................................3-12
立即的 operand rotates .........................................................................................................3-16
writing 至 r15.............................................................................................................................3-16
使用 r15 作 一个 operandy...........................................................................................................3-16
teq, tst, cmp 和 cmn opcodes..............................................................................................3-16
操作指南 循环 时间................................................................................................................3-16
assembler syntax .......................................................................................................................3-17
Examples ...................................................................................................................................3-17
psr 转移 (mrs, msr)...................................................................................................................3-18
operand restrictions ...................................................................................................................3-18
保留 位..............................................................................................................................3-20
Examples ...................................................................................................................................3-20
操作指南 循环 时间................................................................................................................3-20
组装 syntax ........................................................................................................................3-21
Examples ...................................................................................................................................3-21
乘以 和 乘以-accumulate (mul, mla).......................................................................................3-22
cpsr flags................................................................................................................................3-24
操作指南 循环 时间................................................................................................................3-24
assembler syntax .......................................................................................................................3-24
Examples ...................................................................................................................................3-24
乘以 长 和 乘以-accumulate 长 (mull, mlal)....................................................................3-25
operand restrictions ...................................................................................................................3-26
cpsr flags................................................................................................................................3-26
操作指南 循环 时间................................................................................................................3-26
assembler syntax .......................................................................................................................3-27
Examples ...................................................................................................................................3-27
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