Scan string using SCASB : Assembly code

include irvine32.inc .datasource byte “my name is usman”,0 msg1 byte “String to b compare : “,0 msg3 byte “Latter is Found : “,0msg4 byte “Latter Not Found : “,0 .codeMain proccall clrscrcall crlfmov edx,offset msg1call writestringcall crlf call crlfmov edx,offset sourcecall writestringcall crlf ;————————— mov edi,offset sourcemov al,’g’mov ecx,lengthof sourcecldrepne scasbje L1jne L2;———————- L1:call crlfmov

Compare string using CMPSB : Assembly Code

include irvine32.inc .datasource byte “i my name is usman”,0dest   byte “i am not a khan….”,0 msg1 byte “1st String: “,0msg2 byte “2nd string: “,0 msg3 byte “String name Dest is Large : “,0msg4 byte “String name Dest is Small : “,0msg5 byte “String :both sorce & Dest are Equal : “,0 .codeMain proccall clrscrcall

Copy using Movsb : Assembly Code

include irvine32.inc .datasource byte ”    my name is usman”,0dest   byte ”    I am not a khan.”,0msg3 byte “After Copy: Copy source in dest String:  “,0msg1 byte “String Named Source: “,0msg2 byte “String Named Dest: “,0 .codeMain proccall clrscrcall crlfmov edx,offset msg1call writestringcall crlf call crlfmov edx,offset sourcecall writestringcall crlf call crlfmov edx,offset

Push & Pop in Assembly :: Stack

include irvine32.inc .data msg3 byte “Push character one by one in stack and moves ESP(32-bit-stack-pointer-register) downward:”,0msg byte ”              Push: “,0msg4 byte “Pop character one by one from stack and moves ESP(32-bit-stack-pointer-register) upward:”,0msg1 byte ”              Pop: “,0arr byte “usman siddique”,0asiz = ($-arr)-1msg2 byte “—————————————————————“,0msg5

Str_Trim Function in Assembly

include irvine32.inc .datasource byte “my name is usman and i am not A KHAN”,0msg   byte “After Invoking Str_trim function: “,0msg1 byte “Lenght of source = “,0 .codeMain proccall clrscrcall crlfmov edx,offset msg1call writestringcall crlf call crlfmov edx,offset sourcecall writestringcall crlf call crlfmov edx,offset msgcall writestringcall crlf invoke str_trim , addr source , ‘N’ call

Str_Length Function in Assembly

include irvine32.inc .datasource byte “my name is usman and i am not A KHAN”,0msg   byte “After Iviking Str_Length function: “,0msg1 byte “Lenght of source = “,0 .codeMain proccall clrscrcall crlfmov edx,offset msg1call writestringcall crlf call crlfmov edx,offset sourcecall writestringcall crlf call crlfmov edx,offset msgcall writestringcall crlf invoke str_length , addr source call crlfmov edx,offset

U_Case Function in Assembly

include irvine32.inc .datasource byte “my name is usman and i am not A KHAN”,0msg   byte “After Iviking U-Case function: “,0msg1 byte “String Source is = “,0 .codeMain proccall clrscrcall crlfmov edx,offset msg1call writestringcall crlf call crlfmov edx,offset sourcecall writestringcall crlf call crlfmov edx,offset msgcall writestringcall crlf invoke str_ucase , addr source call crlfmov edx,offset

Str_Compare Function in Assembly

include irvine32.inc .datasource byte “i  my name is usman”,0dest   byte “i am not a khan….”,0 msg1 byte “1st String: “,0msg2 byte “2nd string: “,0 msg3 byte “String name Dest is Large : “,0msg4 byte “String name Dest is Small : “,0msg5 byte “String :both sorce & Dest are Equal : “,0 .codeMain proccall clrscrcall

Str_Copy Function in Assembly

include irvine32.inc .datasource byte “my name is usman”,0dest   byte “i am not a khan.”,0 msg1 byte “1st String: “,0msg2 byte “2nd string: “,0msg3 byte “after Copy :: copy source string into dest : “,0 .codeMain proccall clrscrcall crlfmov edx,offset msg1call writestringcall crlf call crlfmov edx,offset sourcecall writestringcall crlf call crlfmov edx,offset msg2call writestringcall crlf

Shift And Rotate Instructions in Assembly Language

Shift And Rotate Instructions in Assembly Language … Code by Programming SeekerzZZZ…Using Commands SHL ,SHR ,SAL ,SAR ,ROR ,ROL ,RCR ,RCL include irvine32.inc.datamsg byte  ”  Actual No is:                             “,0msg1 byte ” No After 2 Arthmatic Right Shift (SAR):    “,0,13h,10hmsg2 byte