CSCI 240 - Assembly Language Programming - MASM & Intel Docs

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Filename: LMARFC02.DOC Project: Template: MSGRIDA1.DOT Author: Mike Eddy Last Saved By: Launi Lockard Revision #: 24 Page: 25 of 5 Printed: 10/02/00 04:14 PM Directives 25 Directives name = expression Assigns the numeric value of expression to name. The symbol may be redefined later. .186 Enables assembly of instructions for the 80186 processor; disables assembly of instructions introduced with later processors. Also enables 8087 instructions. .286 Enables assembly of nonprivileged instructions for the 80286 processor; disables assembly of instructions introduced with later processors. Also enables 80287 instructions. .286P Enables assembly of all instructions (including privileged) for the 80286 processor; disables assembly of instructions introduced with later processors. Also enables 80287 instructions. .287 Enables assembly of instructions for the 80287 coprocessor; disables assembly of instructions introduced with later coprocessors. .386 Enables assembly of nonprivileged instructions for the 80386 processor; disables assembly of instructions introduced with later processors. Also enables 80387 instructions. .386P Enables assembly of all instructions (including privileged) for the 80386 processor; disables assembly of instructions introduced with later processors. Also enables 80387 instructions. .387 Enables assembly of instructions for the 80387 coprocessor. .486 Enables assembly of nonprivileged instructions for the 80486 processor. .486P Enables assembly of all instructions (including privileged) for the 80486 processor. .8086 Enables assembly of 8086 instructions (and the identical 8088 instructions); disables assembly of instructions introduced with later processors. Also enables 8087 instructions. This is the default mode for processors.
26 Reference .8087 Enables assembly of 8087 instructions; disables assembly of instructions introduced with later coprocessors. This is the default mode for coprocessors. ALIGN [[number]] Aligns the next variable or instruction on a byte that is a multiple of number. .ALPHA Orders segments alphabetically. ASSUME segregister:name [[, segregister:name]]... ASSUME dataregister:type [[, dataregister:type]]... ASSUME register:ERROR [[, register:ERROR]]... ASSUME [[register:]] NOTHING [[, register:NOTHING]]... Enables error-checking for register values. After an ASSUME is put into effect, the assembler watches for changes to the values of the given registers. ERROR generates an error if the register is used. NOTHING removes register error-checking. You can combine different kinds of assumptions in one statement. .BREAK [[.IF condition]] Generates code to terminate a .WHILE or .REPEAT block if condition is true. [[name]] BYTE initializer [[, initializer]] ... Allocates and optionally initializes a byte of storage for each initializer. Can also be used as a type specifier anywhere a type is legal. name CATSTR [[textitem1 [[, textitem2]] ...]] Concatenates text items. Each text item can be a literal string, a constant preceded by a %, or the string returned by a macro function. .CODE [[name]] When used with .MODEL, indicates the start of a code segment called name (the default segment name is _TEXT for tiny, small, compact, and flat models, or module_TEXT for other models). COMM definition [[, definition]] ... Creates a communal variable with the attributes specified in definition. Each definition has the following form: [[langtype]] [[NEAR | FAR]] label:type[[:count]] The label is the name of the variable. The type can be any type specifier (BYTE, WORD, and so on) or an integer specifying the number of bytes. The count specifies the number of data objects (one is the default). COMMENT delimiter [[text]] [[text]] [[text]] delimiter [[text]] Treats all text between or on the same line as the delimiters as a comment. Filename: LMARFC02.DOC Project: Template: MSGRIDA1.DOT Author: Mike Eddy Last Saved By: Launi Lockard Revision #: 24 Page: 26 of 6 Printed: 10/02/00 04:14 PM
Page 1 and 2: CSCI 240 - Assembly Language Progra
Page 3 and 4: Information in this document is sub
Page 5 and 6: iv Contents Clock Speeds ..........
Page 7 and 8: vi Contents OR Inclusive OR .......
Page 9 and 10: viii Contents FSINCOS Sine and Cosi
Page 11 and 12: x Reference Document Conventions Th
Page 13 and 14: 2 Reference Microsoft® CodeView®
Page 15 and 16: 4 EXP EXP Syntax Options HELPMAKE S
Page 17 and 18: 6 H2INC H2INC Syntax Options Enviro
Page 19 and 20: 8 LINK Commands LINK Syntax Options
Page 21 and 22: 10 LINK Environment Variables Optio
Page 23 and 24: 12 ML Environment Variables ML Synt
Page 25 and 26: 14 NMAKE QuickAssembler Support Env
Page 27 and 28: 16 PWB (Programmer’s WorkBench) P
Page 29 and 30: 18 QuickHelp QuickHelp Syntax Optio
Page 31 and 32: 20 UNDEL UNDEL Syntax Options The U
Page 33 and 34: 22 Reference Topical Cross-referenc
Page 35: 24 Reference Segment .ALPHA ASSUME
Page 39 and 40: 28 Reference ECHO message Displays
Page 41 and 42: 30 Reference EXTRN See EXTERN. .FAR
Page 43 and 44: 32 Reference Filename: LMARFC02.DOC
Page 45 and 46: 34 Reference name MACRO [[parameter
Page 47 and 48: 36 Reference recordname RECORD fiel
Page 49 and 50: 38 Reference name UNION [[alignment
Page 51 and 52: CHAPTER 3 Symbols and Operators Fil
Page 53 and 54: Topical Cross-reference for Operato
Page 55 and 56: Predefined Symbols $ The current va
Page 57 and 58: Filename: LMARFC03.DOC Project: Tem
Page 63 and 64: 50 Reference Topical Cross-referenc
Page 65 and 66: 52 Reference Process Control ARPL
Page 67 and 68: 54 Reference Syntax Each encoding v
Page 69 and 70: 56 Reference Components EA Clocks E
Page 71 and 72: 58 Reference r/m Register/memory. T
Page 73 and 74: 60 Reference 16-Bit Encoding 32-Bit
Page 75 and 76: 62 Reference 11 8 index Index Regis
Page 77 and 78: 64 Reference Instructions registers
Page 79 and 80: 66 AAM ASCII Adjust After Multiply
Page 81 and 82: 68 ADD Add ADD Add Flags Encoding E
Page 83 and 84: 70 ARPL Adjust Requested Privilege
Page 85 and 86: 72 BSWAP Byte Swap Encoding 0000111
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74 CALL Call Procedure Syntax Examp
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76 CDQ Convert Double to Quad CDQ C
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78 CMC Complement Carry Flag Flags
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80 CMPS/CMPSB/CMPSW/CMPSD Compare S
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82 CWDE Convert Word to Extended Do
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84 DIV Unsigned Divide Encoding 010
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86 HLT Halt Encoding 11110100 Synta
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88 IMUL Signed Multiply Flags Encod
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90 IN Input from Port Encoding Synt
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92 INS/INSB/INSW/INSD Input from Po
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94 INVD Invalidate Data Cache INVD
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96 Jcondition Jump Conditionally En
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98 JMP Jump Unconditionally Flags E
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100 LDS/LES/LFS/LGS/LSS Load Far Po
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102 LEAVE High Level Procedure Exit
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104 LOCK Lock the Bus LOCK Lock the
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106 LSL Load Segment Limit Flags En
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108 MOV Move Data MOV Move Data Fla
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110 MOV Move to/from Special Regist
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112 MOVZX Move with Zero-Extend Syn
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114 NOP No Operation NOP No Operati
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116 OUT Output to Port OUT Output t
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118 POPA/POPAD Pop All Encoding Enc
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120 PUSHA/PUSHAD Push All Encoding
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122 RCL/RCR/ROL/ROR Rotate Flags En
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124 REP Repeat String Encoding Enco
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126 RET/RETN/RETF Return from Proce
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128 SAL/SAR Shift SAL/SAR Shift See
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130 SETcondition Set Conditionally
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132 SHL/SHR/SAL/SAR Shift Encoding
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134 SHLD/SHRD Double Precision Shif
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136 SMSW Store Machine Status Word
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138 STOS/STOSB/STOSW/STOSD Store St
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140 TEST Logical Compare Encoding E
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142 WAIT Wait Encoding Encoding WAI
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144 XCHG Exchange XCHG Exchange Fla
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146 XOR Exclusive OR Encoding Encod
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CHAPTER 5 Coprocessor Filename: LMA
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Filename: LMARFC05.DOC Project: Tem
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FADD/FADDP/FIADD Add FBLD Load BCD
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FLD/FILD/FBLD Load Filename: LMARFC
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FLDCW Load Control Word Filename: L
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FNOP No Operation Filename: LMARFC0
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FPTAN Partial Tangent Filename: LMA
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FSCALE Scale Filename: LMARFC05.DOC
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FSQRT Square Root Filename: LMARFC0
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FTST Test for Zero Filename: LMARFC
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FXAM Examine Filename: LMARFC05.DOC
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FYL2XP1 Y log 2(X+1) Filename: LMAR
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CHAPTER 6 Macros Filename: LMARFC06
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callcrt MACRO funcname cBegin MACRO
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MS-DOS.INC sEnd MACRO name Filename
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PROLOGUE.INC WIN.INC Filename: LMAR
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CHAPTER 7 Tables Filename: LMARFC07
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Color Display Attributes Background
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