CSCI2510 Computer Organization Tutorial 02: MASM Basic .
CSCI2510 Computer OrganizationTutorial 02: MASM BasicStructs and OperationsBentian Jiangbtjiang@cse.cuhk.edu.hk
Review You can use the video demo for tuto 1 to revisit howto setup basic MASM environment and how to seeregister windows step by step:– http://www.cse.cuhk.edu.hk/ mcyang/csci2510.html Please create a new file for each program. If youwant to have two assembly file in one project, pleaseexclude all assembly file until only one included, andrebuild it.– [Right Click] the .asm file [Exclude From Project].– You can include it again in [Project] [Show All Files]CSCI2510 Tut02: MASM Basic Structs and Operations2
Program structureCSCI2510 Tut02: MASM Basic Structs and Operations3
Assembler Directives Telling the assembler what to do:– Option, configuration, syntax etc .386– Use 80386 instruction set (intel 1985’s architecture, mostcommon supported) .model flat– Memory model of the assembly program– Only flat model is supported under Win32 program (.model) stdcall– Function calling convention, parameter passed from right toleft (stack)CSCI2510 Tut02: MASM Basic Structs and Operations4
Includes Files casemap:none– The assembly is case insensitive– i.e. Label label IAbEl include windows.inc include kerner32.inc– Include the files, which handles the system calls– E.g. invoke ExitProcess, 0 (valid after include files) include user32.inc– Graphical User Interface (GUI) elements in windowsCSCI2510 Tut02: MASM Basic Structs and Operations5
Data Segment & Datatypes “.data” is also assembly directives– Declare and apply some memory space in primary memory(e.g. RAM) Datatypes: integer DB, DW, DWORD, DQ– SINGLEBYTE DB, 8-bits– TWOBYTE DW, 16-bits– FOURBYTE DWORD, 32-bits– EIGHTBYTE DQ, 64-bitsCSCI2510 Tut02: MASM Basic Structs and Operations6
Data Segment & DatatypesCSCI2510 Tut02: MASM Basic Structs and Operations7
Code Segment “.code” is also assembly directives– State the following segment is the program assembly code start:– Label that indicates where should the program begins– End function with “end start” Comment in masm: “;”– It will directly comment the whole lineCSCI2510 Tut02: MASM Basic Structs and Operations8
I/O (Console) C style function to input/output information– crt printf: print like a C program (like printf() in C)– crt scanf: read the input (like scanf() in C)– console application Example:CSCI2510 Tut02: MASM Basic Structs and Operations9
I/O (Console) Download the new library:– In Blackboard - CSCI2510 - course content - msvcrt.zip Open VS community, click [New] [Project] [VisualC ] [Windows Desktop] [Windows DesktopWizard] [Console application] only choose [Emptyproject].CSCI2510 Tut02: MASM Basic Structs and Operations10
I/O (Console) Configure the project setting like the previous program– Left the Subsystem be [Console] instead of [Windows] In the [Project] [Property], add the newly downloaded libraryto [Linker] [General] [Additional Library Directories]– e.g. D:\csci2510\libCSCI2510 Tut02: MASM Basic Structs and Operations11
Reference for Programming ex1.386.model flat, stdcalloption casemap:noneinclude windows.incinclude kernel32.incinclude msvcrt.incincludelib msvcrt.lib.dataAPrompt db "CSCI2510 Tutorial 2", 10, 0.codestart:invoke crt printf, addr APromptinvoke ExitProcess, NULLend start; press Ctrl F5 to prevent instant quit after program executionCSCI2510 Tut02: MASM Basic Structs and Operations12
Hints for HW1 For question 1, you can find corresponding conceptsin lecture 01, please answer the questions in yourown words. For question 2, you can find corresponding conceptsin lecture 02. For question 3, you can find corresponding conceptsin lecture 03.CSCI2510 Tut02: MASM Basic Structs and Operations13
Extended ASCII for HW1 Q2CSCI2510 Tut02: MASM Basic Structs and Operations14
Hint for Q2 Example to translate a 16-bits word into string ofcharacters:– E641h, find the corresponding hex in extended ASCII table E6h 230 E6h µ 41h 65 41h A So the result is “µA”. You can find how to interpret a word in other methodsin slide of lecture 02.CSCI2510 Tut02: MASM Basic Structs and Operations15
Summary Reference for programming exercise 1 Hints for HW1 Q1-Q3CSCI2510 Tut02: MASM Basic Structs and Operations16
option casemap:none include windows.inc include kernel32.inc include msvcrt.inc includelib msvcrt.lib .data APrompt db "CSCI2510 Tutorial 2", 10, 0 .code start: invoke crt_printf, addr APrompt invoke ExitProcess, NULL end start; press Ctrl F5 to prevent instant quit after program execution CSCI2510 Tut
Tutorial 09:Associative mapping in MASM Yuhong LIANG yhliang@cse.cuhk.edu.hk. Outline LRU Algorithm First-In-First-Out Algorithm CSCI2510 Tut09: Associative mapping implementation 2. LRU Algorithm . jmp check. LRU Algorithm CSCI2510 Tut09: Associative mapping in MASM 10 4 3 2 1
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Tutorial Process The AVID tutorial process has been divided into three partsÑ before the tutorial, during the tutorial and after the tutorial. These three parts provide a framework for the 10 steps that need to take place to create effective, rigorous and collaborative tutorials. Read and note the key components of each step of the tutorial .
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Tutorial 1: Basic Concepts 10 Tutorial 1: Basic Concepts The goal of this tutorial is to provide you with a quick but successful experience creating and streaming a presentation using Wirecast. This tutorial requires that you open the tutorial document in Wirecast. To do this, select Create Document for Tutorial from the Help menu in Wirecast.
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