emu8086

I have to build a Base Converter in 8086 assembly . The user has to choose his based and then put a number, after then , the program will show him his number in 3 more bases[he bring a decimal number, and after this he will see his number in hex, oct, and bin. This first question is, how can I convert the number he gave me, from string, to a number? the sec question is, how can i convert? by RCR, and then adc some variable? Here is my code: data segment N=8 ERROR_STRING_BASE DB ,10,13, " THIS IS NOT A BASE!",10,13, " TRY AGINE" ,10,13," $" OPENSTRING DB " Welcome, to the Base Convertor",10,13,

I am new to assembly and would like to know how to write a program in EMU8086 that prints a different random number in every run of it. Is it possible to do it without using interrupts? If you were using a real version of DOS (not EMU8086) @fuz method is the way you can do it, and it doesn't require interrupts. You just read the lower 16-bits of the 32-bit value at memory address 0x46c (0x00040:0x006c) in the BIOS Data Area (BDA). The value at that location is a 32-bit value representing the number of timer ticks since midnight. Unfortunately EMU8086 doesn't support this method. To get a

I am trying to assign variable to register here is the code: ORG 100h var1 DB 10 ; var2 DB 20 ; MOV BX,var1 ; error : operands do not match: 16 bit register and 8 bit address RET END But if swap the 4th line with: MOV BL, var1; it works. So my question is why can’t I move 8 bit variable into much larger 16 bit register ? I have already referred this , this and this OP but it does not answer my question. NOTE: I am using emu8086 assembler I am new to assembly language so I apologise if it's a stupid question. why can’t I move 8 bit variable into much larger 16 bit register? Becase the machine

I need help with strings in emu8086. I have initialized a string: str1 db "0neWord" And I have an empty string: str2 db ? Now I need to check all letters in str1 and copy to str2 , but if the letter in str1 is 0, I need to replace it with O. If not, I need to just copy the letter. How can I do this? str2 db ? is not an empty string. db stands for "define byte" , and that ? means single uninitialized byte. The db "0neWord" is assembler's convenience, it will compile into series of bytes defined as '0', 'n', 'e', ..., 'd' . There's no such thing as "string" type in assembler, everything is