it means Microsoft Macro Assembler
The Microsoft Macro Assembler (abbreviated MASM) is an x86 high-level assembler for DOS and Microsoft Windows.Microsoft Assembeler for MS DosM As MToday, MASM is still the most popular assembler,[1] despite competition from new products such as NASM and Yasm, FASM, and HLA.
http://www.masm32.com/masmdl.htm
I use masm32 x86 compiler with Windows7 x64. It works. No problems.
its 16 bit it wont work without emulator.i dont recommend it for win xp check MASM its good
Clear direction flag (CLD) means that index registers will be incremented when looping through a string. Opposite of STD (set direction flag), which means the index registers of the string will be decremented when looping.
MASM (Microsoft Macro Assembler) offers several advantages, including powerful macro capabilities that facilitate code reuse and simplification, as well as robust support for Windows API development. It allows fine-grained control over hardware and system resources, making it suitable for performance-critical applications. However, its disadvantages include a steep learning curve for beginners and potential complexity when managing large codebases. Additionally, being primarily Windows-focused, it may not be ideal for cross-platform development.
There are several examples of assemblers: GAS - the GNU Assembler MASM - Microsoft Macro Assembler NASM - Netwide Assembler The assembler is the program which converts assembly code into machine code - a necessary step to prepare a program for execution.
push eax ;put eax on the stack so you loose nothing already in it. Invoke lstrcat, Addr string1, Addr string2 mov Result, OFFSET eax ; The return of the function is stored in EAX ;do whatever you want with Result pop eax ;bring back from the stack
Programs that can translate mnemonic codes are typically called assemblers. Assemblers convert assembly language, which uses mnemonic codes for instructions, into machine code that computers can execute. Some popular assemblers include NASM (Netwide Assembler), MASM (Microsoft Macro Assembler), and GAS (GNU Assembler). These tools are essential for low-level programming and system software development.
Take the mid value of the no. of inputs. If the key is greater than the mid value then add the mid value and the last value; then divide by two. Again check the middle value for the key and keep repeating this until you find the key. If key is smaller than the mid value. Add the first value to the mid value and divide by two. You will find the new mid value to compare and check for the key. Loop it until you get the key location.
LDA A //Load first number STA TMP LDA B //Load second number STA A LDA TMP STA B HLT IMPROVED: You can visit the link below to see the source code of the program. Make sure you have required library installed in MASM to run the program else you can see the logic and coding. http://infinityloopers.com/swapping-two-numbers-in-assembly-programming/
A macro is a group of repetitive instructions in a program which are codified only once and can be used as many timesas necessary.The main difference between a macro and a procedure is that in the macro the passage of parameters is possible and in theprocedure it is not, this is only applicable for the MASM - there are other programming languages which do allow it.At the moment the macro is executed each parameter is substituted by the name or value specified at the time of the call.We can say then that a procedure is an extension of a determined program, while the macro is a module with specificfunctions which can be used by different programs.Another difference between a macro and a procedure is the way of calling each one, to call a procedure the use of adirective is required, on the other hand the call of macrosis done as if it were an assembler instruction.Example of procedure:For example, if we want a routine which adds two bytes stored in AH and AL each one, and keep the addition in the BX register:Adding Proc Near ; Declaration of the procedureMov Bx, 0 ; Content of the procedureMov B1, AhMov Ah, 00Add Bx, AxRet ; Return directiveAdd Endp ; End of procedure declarationand an example of Macro:Position MACRO Row, ColumnPUSH AXPUSH BXPUSH DXMOV AH, 02HMOV DH, RowMOV DL, ColumnMOV BH, 0INT 10HPOP DXPOP BXPOP AXENDM