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Program Memory

Program Memory. MIPS memory operations Getting Variable Addresses Advanced structures. Registers vs Memory. Registers are memory Everything residing in a register has a real home Variables live in memory and are brought into registers

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Intro to Computer Org.

Intro to Computer Org. MIPS Architecture & Assembly: More Instructions. MIPS Assembly Instructions. All MIPS instructions are one of these three types. R-type All the data is in registers I-type Only way to load from/store to memory Uses registers + hardcoded data J-type

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CS/COE0447 Computer Organization & Assembly Language

CS/COE0447 Computer Organization & Assembly Language. Chapter 2 Part 2. Topics. More types of instructions Translation into machine code How they work (execution) Understanding the technical documentation (green card) Immediate values Sign and Zero extension of immediates

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Exam 1 Review

CprE 381 Computer Organization and Assembly Level Programming, Fall 2013. Exam 1 Review. Dr. Zhao Zhang Iowa State University. What We H ave Learned. Ch. 1: Computer Abstraction and Technology Technology Trends CPU Performance Instruction count, CPI, and cycle time

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CS/COE0447 Computer Organization & Assembly Language

CS/COE0447 Computer Organization & Assembly Language. Chapter 2 Part 1. Topics to cover in Chapter 2. MIPS operations and operands MIPS registers Memory view Instruction encoding Arithmetic operations Logic operations Memory transfer operations. MIPS Operations/Operands.

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Lecture 4: MIPS Instruction Set

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ECE 15B Computer Organization Spring 2010 Dmitri Strukov

ECE 15B Computer Organization Spring 2010 Dmitri Strukov. Lecture 5: Data Transfer Instructions / Control Flow Instructions. Partially adapted from Computer Organization and Design, 4 th edition, Patterson and Hennessy, and classes taught by Ryan Kastner at UCSB.

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Assembly Language

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MIPS I/O and Interrupt

MIPS I/O and Interrupt. SPIM I/O and MIPS Interrupts. The materials of this lecture can be found in A7-A8 (3 rd Edition) and B7-B8 (4 th Edition). The MIPS memory. Actually, everything above 0x7fffffff is used by the system. What is in there?. Special operating system functions

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MIPS Interrupts

MIPS Interrupts. MIPS interrupts. The materials of this lecture can be found in A7-A8. Also, the slides are developed with the help of http://jjc.hydrus.net/cs61c/handouts/interrupts1.pdf. The MIPS memory. Actually, everything above 0x7fffffff is used by the system. What is in there?.

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Writing an Embedded Controller

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CS/COE0447 Computer Organization & Assembly Language

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Computer Organization CS224

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MIPS Coding

MIPS Coding. Review. Everything is stored in the computer as sequences of 0s and 1s Each assembly instruction is uniquely mapped to a unique sequence of 0s and 1s There are three types of instruction types in MIPS: R-Types: opcode, rs, rt, rd, shamt, funt I-Types: opcode, rs, rt, immediate

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Writing an Embedded Controller

Writing an Embedded Controller. Writing an Embedded Controller. It usually consists of two parts Initialization A main loop Experience :

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More on Assembly

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CS/COE0447 Computer Organization & Assembly Language

CS/COE0447 Computer Organization & Assembly Language. Chapter 3 Part 3. Floating Point Instructions in MIPS. . data nums: .float 0.75,15.25,7.625 .text la $t0,nums lwc1 $f0,0($t0) lwc1 $f1,4($t0) add.s $f2,$f0,$f1

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Solution 2 nd Exam

Solution 2 nd Exam. f = f+A [2]; LW $ t0, 8($s6) ADD $s0, $s0, $ t0 B[8] = A[ i ] + A[j]; SLL $t0, $s3, 2 ADD $t0, $s6, $t0 LW $t0, 0($t0) SLL $t1, $s4, 2 ADD $t1, $s6, $t1 LW $t1, 0($t1) ADD $t2, $t0, $t1 SW $t2, 32($s7). for (i = 0; i < 10 ; i++)

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Quiz

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MIPS coding

MIPS coding. SPIM syscalls. http://www.inf.pucrs.br/~eduardob/disciplinas/arqi/mips/syscall_codes.html. .data msg_hello: .asciiz "Hello! This is CDA3100! " msg_empty: .space 400 msg_done: .asciiz "done! " .text .globl main main: done: li $v0,1 li $a0,100 syscall

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