For example −. The product is put in operand-1. cesseur). The address is calculated from x2+d2 and the byte value from operand-1. instruction cycles with the second cycle executed as an NOP. However, memory-to-memory operations are not possible. When the BXLE instruction is executed the incrementing value specified by operand-3 is added to operand-1. Solarisx86AssemblyLanguageSyntax ThischapterdocumentsthesyntaxoftheSolarisx86assemblylanguage. instructions Assembleur. For additional information about SIMOTIME Services or Technologies please send an e-mail to: helpdesk@simotime.com or call 415 883-6565. The register specified by operand-2 (r2) is compared to the the register specified by operand-1 (r1). These instructions load and store the value of R0 to the specified address. BNE only supports the Relative addressing mode, as shown in the table at right.In the assembler formats listed, nn is a one-byte (8-bit) relative address. Used to avoid two processors from updating the same data location. The data string located at the storage address specified by operand-2 (b2+d2) is subtracted from the data string located at the storage address specified by operand-1 (b1+d1). The operands may be different lengths with a maximum length of 16 bytes (or 31 digits since this is packed) for each operand. Annie Briet Notice biobiblio : Annie Briet a vécu son enfance et son. On appelle saut (ou branchement) en assembleur le fait de passer à une instruction autre que celle qui suit celle en cours en mémoire. The documentation and software were developed and tested on systems that are configured for a SIMOTIME environment based on the hardware, operating systems, user requirements and security requirements. The data string located at the storage address specified by operand-1 (b1+d1) is AND'ed with the data string located at the storage address specified by operand-2 (b2+d2). The function delivered in this version is based upon the enhancement requests from a specific group of users. Elle n'est pas transformée en une instruction en langage machine. The results of the AND'ing process is put into operand-1. x86 and amd64 instruction reference. Because I couldn't find any I created my own cheat sheet: includes most instructions (transfer, arithmetic, logic, jumps, .) The first operand in all the cases could be either in register or in memory. AVR Assembler Tutorial 1: I have decided to write a series of tutorials on how to write assembly language programs for the Atmega328p which is the microcontroller used in the Arduino. Operand-3 (r3) may be a single register or a register pair. It returns 0, if both the bits are zero. Année scolaire 2015/2016 . The bitwise AND operation returns 1, if the matching bits from both the operands are 1, otherwise it returns 0. Assembler is a program for converting instructions written in low-level assembly code into relocatable machine code and generating along information for the loader. Assuming the number is in AL register, we can write −, When the above code is compiled and executed, it produces the following result −, Change the value in the ax register with an odd digit, like −. Example Below is the lods[b|d|w] Description. Assembly language uses a mnemonic to represent each low-level machine instruction or opcode, typically also each architectural register, flag, etc.Many operations require one or more operands in order to form a complete instruction. Trouvé à l'intérieur – Page 257Le vrai problème est celui de la « puissance expressive » d'une instruction écrite dans un langage de ... Dans notre cas, la référence la plus naturelle est l'équivalent instructions assembleur, toutes les machines étant des clones très ... • The following example code performs 64-bit subtraction. Most if not all of these instructions are available in 32-bit mode; they just operate on 32-bit registers (eax, ebx, etc.) Trouvé à l'intérieur – Page 175Pour accéder au registre dont la lecture n'est possible que dans l'espace noyau , on peut définir la macro suivante qui exécute une instruction en assembleur « move from coprocessor 0 » 1 : #define rdtscl ( dest ) asm_ _volatile _ ( ". The 3rd column (Hex) is the one-bye OpCode that is generated and used at execution time. The results of the OR'ing process is put into operand-1. Université de la Méditerranée L3 Informatique - Compilation. INT is an assembly language instruction for x86 processors that generates a software interrupt.It takes the interrupt number formatted as a byte value.. Except for the instructions that define constants, and the instruction used to generate no-operation instructions for . The following links may be to the current server or to the Internet. This document and the links to other documents are intended to provide a greater awareness of the Data Management and Application Processing alternatives. Explore the RX Format of the Subtract Instruction. The full word (4 bytes) located at the storage address specified by operand-2 (x2+b2+d2) is subtracted from the register specified by operand-1 (r1). Trouvé à l'intérieur – Page 190le mnémonique de l'instruction et devant le premier opérande . ... les pseudo - instructions de commande , qui sont des instructions générales pour l'assembleur et les pseudoinstructions de génération , qui réservent ou agissent des ... The result is posted in the condition code. Références. Trouvé à l'intérieur – Page 198Dans le cas particulier exposé ci-dessus concernant le chargement d'une valeur immédiate via une zone de literal pool, le codage de l'instruction est exact et définitif. En effet, l'assembleur détermine la zone où sera stockée la valeur ... Trouvé à l'intérieur... c'est un programme appelé assembleur qui opère la transformation. Dans le sens inverse, c'est un programme appelé désassembleur. La traduction d'une forme à l'autre est une opération simple et mécanique : chaque nom d'instruction ou ... If operand-3 is odd a single register is used as both the increment and the compare value. This instruction was introduced for use with 31-bit addressing and also works with 24-bit addressing mode. A short summary of this paper. The length specified is actually the length-1 or x'00' through x'FF'. with a SimoTime Enterprise License. Only the rightmost 24 bits (bits 8-31) of the full word are used when branching or linking. Principles of Operation Page: 7-163. The condition code is set as shown below. More specifically, we can say, assembler directives are the commands or instructions that control the operation of the assembler. Trouvé à l'intérieur – Page 147En effet, l'utilisation d'une fonction produit une instruction assembleur de type CALL à l'appel, et de type RET au ... 30 % de temps de calcul supplémentaire pour un opérateur de Kirsh à 4 directions, mentionné au $ 5.2.6 page 126. The second register of each operand needs to be loaded with the length of each operand. Note: The following table shows the Condition Code to Instruction-Mask relationship. If a user has a SimoTime Enterprise License the Documents and Program Suites may be available on a local server and accessed using the icon. Operand-2 (the immediate data that is the second byte of the instruction itself) is used as a mask to test bits of the byte at the storage address specifed by operand-1 (b1+d1). Operand-2 (r2) is put into operand-1 (r1). The 1st colum (Instruction) is the full name. The data string located at the storage address specified by operand-1 (b1+d1) is AND'ed with operand-2 (i2 is immediate data included as the second byte of the instruction itself). The condition code is set as shown below. The SP Stack Pointer. The rightmost two bytes or halfword (bits 16-31) of the register specified by operand-1 (r1) are stored at the storage address specified by operand-2 (x2+b2+d2). For example, a CLC instruction would have a label of I@CLC. This document is intended to be used as a quick reference for the IBM Mainframe Assembler programmer using HLASM (High Level Assembler) or Assembler/H. Explore The ASCII and EBCDIC Translation Tables. If you have any questions, suggestions, comments or feedback please use the following contact information. Most assemblers permit named constants, registers, and labels for program and memory locations, and can calculate expressions for operands. Definition: Assembler directives are the instructions used by the assembler at the time of assembling a source program. The first register of each operand needs to be loaded with the storage addresses of the data strings. The 286 always asserts lock during an XCHG with memory operands. And other miscellaneous instructions Section 06 — Conditional Branches. The Micro Focus Web Site Let's take up another example. Trouvé à l'intérieur – Page 145145 instruction injurieux adj deleterious ; harmful : slanderous inopérant adj not executed ; impossible ; inoperative ... arithmétique arithmetic instruction ; assembleur assembly - language instruction ; composée compound statement ... The operands may be different lengths with a maximum length of 16 bytes (or 31 digits since this is packed) for each operand. Trouvé à l'intérieur – Page 17La plupart du temps l'assembleur se contente de traduire mécaniquement les instructions écrites sous forme de mnémoniques (mov, add, jmp, etc.) en leur représentation binaire. Certains assembleurs sont néanmoins plus sophistiqués et ... The data string located at the storage address specified by operand-2 (b2+d2) is changed from zoned-decimal to packed and the result is put into the storage address specified by operand-1 (b1+d1). Trouvé à l'intérieur – Page 109Chaque instruction de contrôle de flux est analysée de telle sorte à déterminer les transitions possibles entre le bloc ... une vue de la trace d'exécution est crée qui présente les instructions assembleur utilisées, la fonction auquel ... The first register of each operand needs to be loaded with the storage addresses of the data strings to be compared. Our customers include small businesses using Internet technologies to corporations using very large mainframe systems. 80x86 instructions, of course, are assembler mnemonics that correspond to the actual 80x86 instructions introduced in Chapter Six. The data string located at the storage address specified by operand-2 (b2+d2) is shifted left four bits and put into the storage address specified by operand-1 (b1+d1). The length field applies to the edit word or pattern (the first operand). SIMOTIME Services has experience in moving or sharing data or application processing across a variety of systems. The first group of documents may be available from a local system or via an internet connection, the second group of documents will require an internet connection. Explore the Extended Mnemonic Opcodes included in the IBM Mainframe Assembler Language. A branch is performed and the addressing mode is also set by this instruction. The length of each operand is the same. Example Below is the XORing an operand with itself changes the operand to 0. Operand-1 (r1) is an even/odd pair of registers (dividend) that is divided by the value at the storage location specified by operand-2 (x2+b2+d2). For example, let us assume the AL register contains 0011 1010, you need to set the four low-order bits, you can OR it with a value 0000 1111, i.e., FH. Voici une liste (non exhaustive) des principales instructions en assembleur des processeurs 80x86, ainsi que du code machine qui leur est associé et de leur taille en mémoire. Trouvé à l'intérieur – Page 282L'assembleur Redcode était composé seulement de dix opérations, mais ce jeu d'instructions, RISC avant l'heure, suffisait pour ... Dans la pratique, cela revenait à exécuter une instruction de chaque programme à chaque itération du ... Operand-2 remains unchanged. : Assembleur - Langages: Livres. The lower 32 bits are subtracted first, setting the Carry Non-Confidential PDF versionARM DUI0379H ARM® Compiler v5.06 for µVision® armasm User GuideVersion 5Home > ARM and Thumb Instructions > SDIV 10.98 SDIV Signed Divide. The number of bytes compared is determined by the length specified in the 2nd byte of the CLC instruction. Trouvé à l'intérieur – Page 166L'instruction RAPPEL2 est à utiliser pour le rappel des traducteurs quand l'appel précédent concernait une demande de discrimination . P1 on se 4. ASSEMBLEUR DU NOUVEAU LANGAGE DE COMMUTATION . corLa traduction du nouveau langage de ... Both operands are register-pairs. The doubleword product is put in operand-1. It sets EDX:EAX to 0000000100000000h and subtracts 1 from this value. The data string located at the storage address specified by operand-2 (b2+d2) is moved to the storage address specified by operand-1 (b1+d1). Langage assembleur. The 31-bit numeric part (bit-0 is the sign and bits 1-31 are the numerics) of operand-1 (r1) is shifted right the number of bits specified by operand-2 (b2+d2). Otherwise, the next sequential instruction is executed. Instructions supplémentaires. Articles Related . La dernière instruction met à jour les marques en ajoutant 10. Operand-2 remains unchanged. It generates instructions by evaluating the mnemonics (symbols) in operation field and find the value of symbol and literals to produce machine code. The results are posted in the condition code. For word loads, Rt can be the PC. If a conditional test is true or the program counter is changed as a result of an instruction, the instruction execution time is 2 µs. The stack is a Last In First Out (LIFO) structure in memory at a particular location, and the stack pointer register points. A mnemonic is a name that groups different Instruction - operation code (opcode) that have the same purpose. ASSEMBLEUR 8051 PDF - The MOVC instruction moves a byte from the code or program memory to the accumulator See Also: MOV, MOVX MOVC A, @A+DPTR C AC F0 RS1 RS0 OV P. Let us store the value 5 and 3 in the AL and the BL registers, respectively, then the instruction. The SimoTime name or Logo may not be used in any advertising or publicity pertaining to the use of the software without the written permission of SimoTime Technologies. The SimoTime Home Page Bits 8-15 of operand-1 and bits 24-31 of operand-1 are OR'ed together. If it's 1, 3 or 4 on all versions of Windows, or 5 on . This link requires an Internet Connection. Syntax LODS m8 Load byte at address DS:(E)SI into AL LODS m16 Load word at address DS:(E)SI into AX LODS m32 Load doubleword at address DS:(E)SI into EAX If bit 'b' is '1', then the next instruction is discarded and a NOP is executed instead, making this a 2 T CY (instruction cycle) instruction. The following is an instruction list that is sequenced by the Mnemonic Opcode. Trouvé à l'intérieur – Page 88Un programme exécutable est simplement une liste d'instructions (de commandes) qui sont exécutées les unes après les ... concept est exprimé en une seule ligne de ce langage alors qu'il pourrait en être des dizaines en assembleur. Operand-2 remains unchanged. These instructions compare or match bits of the operands and set the CF, OF, PF, SF and ZF flags. Otherwise, the data string located at the address specified by operand-2 (b2+d2) is loaded into operand-1 (r1). Operand-2 remains unchanged. The second register of each operand needs to be loaded with the length of each operand. x86 integer instructions. Trouvé à l'intérieur – Page 36Outre la table des codes de la machine , le traducteur , appelé aussi assembleur ( 1 ) , dispose d'une table des symboles ... Cette table fait correspondre à une macro - instruction une liste d'instructions en langage - machine où des ... Operand-2 remains unchanged. The results of the exclusive OR'ing process is put into operand-1. The results are posted in the condition code. Les instructions du langage d'assembleur sont cryptiques. The intent is to provide changes as the need arises and in a timeframe that is dependent upon the availability of resources. Le livre d'Or PC, Martin Althaus, 1992, ISBN: 2-7361-0934-1, page 812 AMD64 Architecture Programmer's Manual Volume 3: General-Purpose and System Instructions, Edition Advanced Micro Devices, Revision 3.14, September 2007, Publication No. Trouvé à l'intérieur – Page 24uniquement de 1 et de 0, le seul langage qu'admet in fine l'ordinateur) a alors fait place à l'écriture en langage assembleur. En langage assembleur, tous les champs d'une instruction d'un programme, essentiellement le rôle de ... En effet, en temps normal (c'est-à-dire sans instruction . instructions Assembleur. Operand-2 (b2+d2) remains unchanged. INT 2D. In ARMv4, bits [1:0] of the address loaded must be 0b00. The results are posted in the condition code. Syntax CBZ Rn, label CBNZ Rn, label where: Rn is the register holding the operand. Pour cela, il faudra être familiarisé avec le code assembleur et la. The half word (2 bytes) located at the storage address specified by operand-2 (x2+b2+d2) is added to the register specified by operand-1 (r1). Operand-1 (r1) is compared with operand-2 (r2). 5.4 Clock cycles, Length of Instruction 5-8 5.4.1 Format I Instructions 5-8 5.4.2 Format II Instructions 5-9 5.4.3 Format III Instructions 5-9 5.4.4 Miscellanous Instructions or Operators 5-9 Tables Table Title Page 5.1 Symbols and Abbreviations used in the Instruction Set Summary 5-4 5.2 Addressing Modes 5-5 5.3 MSP430 Family Instruction Set . The following links will require an internet connection. SimoTime Technologies shall not be liable for any direct, indirect, special or consequential damages resulting from the loss of use, data or projects, whether in an action of contract or tort, arising out of or in connection with the use or performance of this software, documentation or training material. The NOT instruction implements the bitwise NOT operation. Explore the SS Format of the Translate Instruction. x, y and z . Manipulation des données . Operand-1 is then compared with the compare value specified by operand-3 and if operand-1 is low or equal then a branch is performed. Below is the full 8086/8088 instruction set of Intel (81 instructions total). the second register of the pair) of operand-1 (r1). Bit Test F, Skip if Set. There are 9 different opcodes for the TEST instruction depending on the type and size of the operands.It can compare 8-bit, 16-bit, 32-bit or 64-bit values. The full word (4 bytes) located at the storage address specified by operand-2 (X2+B2+D2} is subtracted from a value that is stored in the register specified by operand-1(R1). The rightmost 4-bits of each byte of the data string located at the storage address specified by operand-2 (b2+d2) are put into the storage address specified by operand-1 (b1+d1). If the condition-code (cc) has a "bit-ON" match with the instruction-mask (m1) then branch to the address specified by operand-2 (r2) else do the next sequential instruction. Preview: Page1.gif, Page2.gif. This document is intended to be used as a quick reference for the IBM Mainframe Assembler programmer using HLASM (High Level Assembler) or Assembler/H. This link requires an Internet Connection. The data string located at the storage address specified by operand-1 (b1+d1) is OR'ed with the data string located at the storage address specified by operand-2 (b2+d2). The OR operation can be used for setting one or more bits. The length is determined by the value in the 2nd byte of the MVZ instruction. Trouvé à l'intérieur – Page 14... où sout preseniées les instructions sur la manière de conduire toutes les affaires , tani civiles que judiciaires ... DU RELIEUR DANS TOUTES SES PART ES , Arts de l'assembleur , du brocheur , du tarbreur , du du et du stiu précede ... The high-order byte of the second register of operand-2 is treated as the padding character if the operands or different lengths. This chapter describes, in detail, the syntax and usage rules of each assembler instruction. The operands are 32 bits. The basic LOOP instruction has the following syntax −. The content of operand-1 (r1) is exclusively OR'ed with the data string located at the storage address specified by operand-2 (x2+b2+d2). Branchements . Otherwise, the data string located at the address specified by operand-2 (b2+d2) is loaded into operand-1 (r1). Pour ex´ecuter un programme, le processeur lit les instructions en m´emoire, une par une. THIS REFERENCE IS NOT PERFECT. All rights reserved. Trouvé à l'intérieur – Page 153Il exécute un certain nombre d'instructions similaires au démarrage de Linux, afin de gérer plus ou moins complètement la carte. ... En réalité, les registres sp, pc et lr sont gérés par l'instruction assembleur d'appel de procédure bl. The length is determined by the length specified in the 2nd byte of the Edit instruction. Operand-1 remains unchanged. The set of registers starting with operand-1 (r1) and ending with (r3) are stored at the storage location specified by operand-2 (b2+d2). Copyright © 2005-2019 Arm Limited (or its affiliates). For example, if x'FF' is specified as the length then operand-1 would be 256 bytes and operand-2 would be 256 bytes. If the CLCL results in and equal condition then the length registers should be zero with one exception. In the world of programming there are many ways to solve a problem. The data string located at the storage address specified by operand-1 (b1+d1) is divided by the data string located at the storage address specified by operand-2 (b2+d2). It's been mechanically separated into distinct files by a dumb script. The value of operand-2 (r2) is put into operand-1 (r1). Operand-2 remains unchanged. We reserve the right to make changes without notice at any time. A one is subtracted from operand 1 (r1). This paper. The DB statement initializes memory with one or more byte values. SimoTime Technologies makes no warranty or representations about the suitability of the software, documentation or learning material for any purpose. Assembly language uses a mnemonic to represent each low-level machine instruction or opcode, typically also each architectural register, flag, etc.Many operations require one or more operands in order to form a complete instruction. If S is specified, the condition flags are updated on the result of the operation. Derived from the May 2019 version of the Intel® 64 and IA-32 Architectures Software Developer's Manual.Last updated 2019-05-30. The following example demonstrates the OR instruction. The condition code is set as shown below. and values instead of their 16-bit (ax, bx, etc.) Le livre d'Or PC, Martin Althaus, 1992, ISBN: 2-7361-0934-1, page 803 Assembleur Facile . If you need to clear the high-order bits to zero, you AND it with 0FH. The XOR instruction implements the bitwise XOR operation. The data string located at the storage address specified by operand-1 (b1+d1) is exclusively OR'ed with the data string located at the storage address specified by operand-2 (b2+d2). Operand-2 remains unchanged. 2. The first 8 bits (bits 0-7) are not used as part of the address. Section 01 — Getting Started. label is a symbol that is assigned the current memory address. Precisely, a mnemonic is a reserved name for a class of Instruction - operation code (opcode) which have the same function. b. The data will need to be transferred between the systems and may need to be converted and validated at various stages within the process. The register specified by operand-1 (r1) is stored at the storage address specified by operand-2 (x2+b2+d2). for more information about products and services available from Micro Focus. It's been mechanically separated into distinct files by a dumb script. The programs may be compiled and executed on an IBM Mainframe System or a Windows System with Micro Focus Enterprise Developer. The instruction is identical to ED (or Edit) instruction, except for the additional function of inserting a byte address in general register 1. The AND operation can be used for clearing one or more bits. Similarly to clear the entire register you can AND it with 00H. The 31-bit numeric part (bit-0 is the sign and bits 1-31 are the numerics) of operand-1 (r1) is shifted left the number of bits specified by operand-2 (b2+d2). Références. The data string identified by operand-2 (R2) is moved to the storage location identified by operand-1 (R1). When the BXH instruction is executed the incrementing value specified by operand-3 is added to operand-1. label is the branch destination. We also look at other similar instructions too. An assembler instruction is a request to the assembler to do certain operations during the assembly of a source module; for example, defining data constants, reserving storage areas, and defining the end of the source module. Programmation en assembleur cours informatique industrielle I - Google Books. counterparts.See also x86 assembly language for a quick tutorial for this processor family. One instruction cycle consists of four oscillator periods. Trouvé à l'intérieur – Page 6Le premier assembleur fut écrit par Nathaniel Rochester pour l'IBM 701 (1954). Rappelons que les instructions en langage machine, appelé aussi code machine ou rarement code dur (hard code (Bell 1973)), est une suite d'instructions en ... Operand-2 remains unchanged. Trouvé à l'intérieur – Page 63Lorsqu'une instruction fait réfé - rence à une adresse , cette adresse est comparée successivement à d et f . ... d'interprétation , ce qui est très lourd , soit en reconnaissant un repère mis par l'assembleur ou le compilateur . The operand could be either in a register or in the memory. Instruction assembleur 80x86 - Instruction NOT Instruction assembleur 80x86 - Instruction NEG Instruction assembleur 80x86 - Instruction TEST Instruction assembleur 80x86 - Instruction XOR Mathématique - Algèbre de Boole - Table de vérité. The condition code is set as shown below. Operand-1 (r1) is the index value that will be incremented. The content of operand-1 (r1) is OR'ed with the content of operand-2 (r2). Instructions. This site uses cookies to store information on your computer. Assembly - Logical Instructions. Trouvé à l'intérieur – Page 218L'assembleur assigne des emplacements mémoire aux instructions successives , et remplace les adresses symboliques par ... bits de chaque instruction , le langage d'assemblage permet également de s'affranchir des adresses en binaire . d'être capable de concevoir un programme simple basé sur des interruptions. The conditions can all be the same, or some can be the logical inverse of others. This instruction causes a supervisor-call interrupt. There is also information about assembly instructions on Conditional assembly instructions. Références. By continuing to use our site, you consent to our cookies. The value located at the storage address specified by operand-2 (x2+b2+d2) is multiplied with the 2nd-word (i.e. Assembler instruction statements. or If the condition-code (cc) has a "bit-ON" match with the instruction-mask (m1) then branch to the address specified by operand-2 (x2+b2+d2) else do the next sequential instruction. The set of registers starting with operand-1 (r1) and ending with (r3) are loaded from the storage location specified by operand-2 (b2+d2). The focus is on the 360 and 370 problem-state, non-floating point instructions running in an MVS or ZOS environment. Used to avoid two processors from updating the same data location. Overview of instructions. Description. Jeu d'instructions . The 32-bits of operand-1 (r1) is shifted left the number of bits specified by operand-2 (b2+d2). Most assemblers permit named constants, registers, and labels for program and memory locations, and can calculate expressions for operands. The number of bytes moved is determined by the length specified in the 2nd byte of the MVC instruction. Operand-2 remains unchanged. Explore the SS Format of the Edit and Mark Instruction. Section 01 — Getting Started. The 64-bits of operand-1 (r1 is an EVEN/ODD pair of registers) is shifted left the number of bits specified by operand-2 (b2+d2). The results of the exclusive OR'ing process is put into operand-1. Ces instructions (dont l'ensemble compose le langage d'assemblage, ou assembleur) sont tr`es simples mais n'en permettent pas moins, en les combinant, de r´ealiser n'importe quelle op´eration programmable. The TEST instruction works same as the AND operation, but unlike AND instruction, it does not change the first operand. Operand-1 (r1) and operand-2 (b2+d2) are compared. But with INT2D, Windows uses the EIP register as an exception address and then increments the EIP register value. Operand-1 (r1) and operand-2 (b2+d2) are compared. The condition code is set as shown below. Elle n'ajoute donc aucun octet au programme compilé. Rm is a register holding the divisor. The 4th column (Format) is the format of the instruction as it would be written within an HLASM program. Trouvé à l'intérieur – Page 144Une macro instruction est un symbole qui pour l'assembleur remplace un groupe défini d'instructions . La macro instruction possède un nom et une définition qui est une séquence d'instructions . Elle est utilisée en insérant son nom à ... Assembler directives are the instructions provided to the assembler, not the processor as the processor has nothing to do with these instructions. The format for these instructions −. With this instruction operand-2 (b2+d2) does not address storage. The instruction at the address specified by operand-2 (x2+b2+d2) is modified then executed using the contents of operand-1 (r1). We appreciate hearing from you. The value located at the storage address specified by operand-2 (x2+b2+d2) is multiplied with operand-1 (r1). The bytes at the storage address specified by operand-1 (b1+d1) are used as arguments to select function-bytes from a list designated by operand-2 (b2+d2). Trouvé à l'intérieur – Page 130Elle est constituée de la manière suivante : en utilisant la pseudo-instruction correspondante de l'Assembleur, on donne « l'équivalence » entre le symbole affecté à l'objet et les éléments matériels associés *. Tableau 2.2.