WebMicroprocessor 8086 old question’s solutio n Prepared by: Er. Hari Aryal, HCOE, [email protected].model small.stack 100h.data string db 50 dup('$');Hold entered string sin db "Enter the string:",0ah,0dh,'$' sout db "Separate words are:",0ah,0dh,'$'.code main proc far mov ax,@data mov ds,ax mov es,ax mov bl,00h;String length mov dx,offset sin;massage "Enter … WebJul 18, 2005 · push ax ;save tens (al) & units (ah) of month or al,30h ;tens of month to ascii mov dl,al mov ah,02h int 21h pop ax or ah,30h ;units of month to ascii mov dl,ah mov ah,02h int 21h call do_slash pop ax ;year mov dx,0 ;clr ms byte of dividend
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Webin al, 21h ; mov bl, al ; store for later restore mov al, 11111101b ; disable all IRQ's except IRQ 1 (kb) out 21h, al . hlt . out 21h, bl ; restore all IRQ's sti . BUT, the processor just walks through this code and doesn't wait for a keystike. Does anyone knows what is … WebAug 3, 2024 · Get the address of the end of the string, DI. Load the starting address of the string, SI. Compare the value stored at the address. Increment the pointer, SI. Decrements the pointer, DI. Compare again the value stored at si and di. Repeat the steps until SI<=DI. If all the characters match print string is palindrome else print not palindrome. devitt office
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WebApr 24, 2024 · int 21h means, call the interrupt handler 0x21 which is the DOS Function dispatcher. the "mov ah,01h" is setting AH with 0x01, which is the Keyboard Input with … WebJun 6, 2024 · INT 21H MAIN ENDP REVERSE PROC ; load the offset of ; the string MOV SI, OFFSET STRING ; count of characters of the; ;string MOV CX, 0H LOOP1: ; compare if this is; ;the last character MOV AX, [SI] CMP AL, '$' JE LABEL1 ; else push it in the; ;stack PUSH [SI] ; increment the pointer; ;and count INC SI INC CX JMP LOOP1 LABEL1: WebDescription ¶. Copies the value from the I/O port specified with the second operand (source operand) to the destination operand (first operand). The source operand can be a byte … devitt online chat