Add Variables Of Different Sizes In The Assembly Language Assignment Solution

Instructions

Objective

Write an Assembly language assignment to add variables of different sizes.

Screenshots of output

Source Code

Add sub movies

INCLUDE Irvine32.inc .data bNum01 SBYTE 127 bNum02 SBYTE -80 bNum03 SBYTE 32 bResult SBYTE ? wNum01 SWORD 32000 wNum02 SWORD -4096 wNum03 SWORD 256 wResult SWORD ? dwNum01 SDWORD 2000000 ; 2million dwNum02 SDWORD -1600000 ; -1.6million dwNum03 SDWORD 6000 dwResult SDWORD ? .code main PROC movsx eax, [bNum01] ; load first byte value, extend to dword movsx ebx, [bNum02] ; load second byte value, extend to dword add eax, ebx ; add second to first movsx ebx, [bNum03] ; load third byte value, extend to dword sub eax, ebx ; subtract third from sum mov [bResult],al ; save result as byte mov esi, OFFSET bResult ; starting offset of result mov ecx, 1 ; number of units mov ebx, TYPE BYTE ; byte format call DumpMem ; display result movsx eax, [wNum01] ; load first word value, extend to dword movsx ebx, [wNum02] ; load second word value, extend to dword add eax, ebx ; add second to first movsx ebx, [wNum03] ; load third word value, extend to dword sub eax, ebx ; subtract third from sum mov [wResult],ax ; save result as word mov esi, OFFSET wResult ; starting offset of result mov ecx, 1 ; number of units mov ebx, TYPE WORD ; word format call DumpMem ; display result mov eax, [dwNum01] ; load first dword value add eax, [dwNum02] ; add second dword value sub eax, [dwNum03] ; subtract third from sum mov [dwResult],eax ; save result as dword mov esi, OFFSET dwResult ; starting offset of result mov ecx, 1 ; number of units mov ebx, TYPE DWORD ; dword format call DumpMem ; display result mov ax, 60000 ; load 60000 sub ax, [wNum01] ; subtract 60000 - first word add ax, 8092 ; add 8092 to difference sub ax, [wNum03] ; subtract third word from previous result mov [wResult],ax ; save result as word mov esi, OFFSET wResult ; starting offset of result mov ecx, 1 ; number of units mov ebx, TYPE WORD ; word format call DumpMem ; display result mov ax, [wNum02] ; load second word value dec ax ; subtract 1 from second sub ax, [wNum03] ; subtract third word from previous result add ax, 2400 ; add 2400 to previous result mov [wResult],ax ; save result as word mov esi, OFFSET wResult ; starting offset of result mov ecx, 1 ; number of units mov ebx, TYPE WORD ; word format call DumpMem ; display result movsx eax, [bNum02] ; load second byte value, extend to dword movsx ebx, [wNum03] ; load third word value, extend to dword add eax, ebx ; add second byte to third word movsx ebx, [bNum01] ; load first byte value, extend to dword sub eax, ebx ; subtract first byte from previous result inc eax ; add 1 to result mov [dwResult],eax ; save result as dword mov esi, OFFSET dwResult ; starting offset of result mov ecx, 1 ; number of units mov ebx, TYPE DWORD ; dword format call DumpMem ; display result movsx eax, [bNum01] ; load first byte value, extend to dword neg eax ; convert to negative add eax, [dwNum03] ; add third dword value movsx ebx, [wNum01] ; load first word value, extend to dword sub eax, ebx ; subtract first word from previous result add eax, 1024 ; add 1024 to result mov [dwResult],eax ; save result as dword mov esi, OFFSET dwResult ; starting offset of result mov ecx, 1 ; number of units mov ebx, TYPE DWORD ; dword format call DumpMem ; display result call CrLf call WaitMsg exit ; terminate the program main ENDP END main

Tax infos

INCLUDE Irvine32.inc .data promptFirst BYTE ' First name: ', 0 promptMiddle BYTE ' Middle: ', 0 promptLast BYTE ' Last name: ', 0 promptDepend BYTE ' Dependents: ', 0 printName BYTE ' Name: ', 0 printDeduct BYTE '=Deductions= ', 0 printStd BYTE ' Standard $ ', 0 printDep BYTE ' Dependent $ ', 0 printTotal BYTE ' Total $ ', 0 comma BYTE ', ', 0 firstName BYTE 16 DUP(0) middleName BYTE 16 DUP(0) lastName BYTE 21 DUP(0) stdDeduct DWORD 12400 depDeduct DWORD 4050 total DWORD ? dependents DWORD ? .code main PROC call ClrScr ; clear the screen mov edx, OFFSET promptFirst ; load address of prompt call WriteString ; print prompt on screen mov edx, OFFSET firstName ; load address of name array mov ecx, 16 ; size of array call ReadString ; read the string and save as first name call CrLf ; leave empty line mov edx, OFFSET promptMiddle ; load address of prompt call WriteString ; print prompt on screen mov edx, OFFSET middleName ; load address of middle array mov ecx, 16 ; size of array call ReadString ; read the string and save in middle name call CrLf ; leave empty line mov edx, OFFSET promptLast ; load address of prompt call WriteString ; print prompt on screen mov edx, OFFSET lastName ; load address of name array mov ecx, 16 ; size of array call ReadString ; read the string and save as last name call CrLf ; leave empty line mov edx, OFFSET promptDepend ; load address of prompt call WriteString ; print prompt on screen call ReadDec ; read dependents mov [dependents],eax ; save dependents in variable call CrLf ; leave empty line mov edx, OFFSET printName ; load address of name message call WriteString ; print message for name on screen mov edx, OFFSET lastName ; load address of last name call WriteString ; print last name on screen mov edx, OFFSET comma ; load address comma string call WriteString ; print separating comma on screen mov edx, OFFSET firstName ; load address of first name call WriteString ; print first name on screen mov al, ' ' ; load space character in al call WriteChar ; print space on screen mov edx, OFFSET middleName ; load address of middle name call WriteString ; print middle name on screen call CrLf ; jump to next line call CrLf ; leave empty line mov edx, OFFSET printDeduct ; load address of deductions message call WriteString ; print message for deductions on screen call CrLf ; jump to next line call CrLf ; leave empty line mov edx, OFFSET printStd ; load address of standard message call WriteString ; print message for standard on screen mov eax, [stdDeduct] ; load standard deduction amount call WriteDec ; print standard deduction amount on screen call CrLf ; jump to next line call CrLf ; leave empty line mov edx, OFFSET printDep ; load address of dependent message call WriteString ; print message for dependent on screen mov eax, [depDeduct] ; load dependent deduction amount mul [dependents] ; multiply by number of dependents mov [total], eax ; save multiplication result in total call WriteDec ; print dependent deduction amount on screen call CrLf ; jump to next line call CrLf ; leave empty line mov edx, OFFSET printTotal ; load address of total message call WriteString ; print message for total on screen mov eax, [stdDeduct] ; load standard deduction add eax, [total] ; add to dependent total call WriteDec ; print total deduction amount on screen call CrLf ; jump to next line call CrLf call WaitMsg exit ; terminate program main ENDP END main