'Comparison instructions' diaporamas de présentation

Lecture 4. ARM Instructions

ECM586 Special Topics in Embedded Systems. Lecture 4. ARM Instructions. Prof. Taeweon Suh Computer Science Education Korea University. ARM Instruction Overview. ARM is a RISC machine, so the instruction length is fixed In the ARM mode, the instructions are 32-bit wide

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Decisions in C/Assembly Language

Decisions in C/Assembly Language. Jen-Chang Liu, Spring 200 6 Adapted from http://www-inst.eecs.berkeley.edu/~cs61c/. O utline. C/Assembly Decisions: if , if-else C/Assembly Loops: while , do while , for Inequalities C Switch Statement. Motivation for decision and loops.

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ARM Instructions II

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Boolean and Comparison Instructions

Boolean and Comparison Instructions. AND Instruction. Bitwise AND (result placed in destination) Mov al, 00001111b And al, 00111011b al = ? al = 00001011b (0Bh) Mov al, 6Dh And al, 4Ah al = ? al = 48h AND with a 0 to clear bits AND with a 1 to preserve bits (bit extraction)

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ECT 464

232 views • 11 slides