1:ADC : 擴展加法指令ADC

.386
.model flat,stdcall.stack 4096
ExitProcess PROTO,dwExitCode:DWORD.code
main PROCmov dl,0mov al,0FFhadd al,0FFh  ;AL=FEhadc dl,0     ;DL:AL = 01FEhmov edx,0mov eax,0FFFFFFFFhadd eax,0FFFFFFFFh  ;EAX = FFFFFFFEhadc edx,0           ;EDX:EAX = 00000001FFFFFFFEhINVOKE ExitProcess,0
main ENDP
END main

2:擴展加法指令應用，計算兩個以字節數組存放的擴展整數之和

include Irvine32.inc.stack 4096
ExitProcess PROTO,dwExitCode:DWORD.data
op1 BYTE 34h,12h,98h,74h,06h,0A4h,0B2h,0A2h
op2 BYTE 02h,45h,23h,00h,00h,86h,10h,80h
sum BYTE 9 DUP(0).code
main PROCmov esi,OFFSET op1  ;第一個操作數mov edi,OFFSET op2  ;第二個操作數mov ebx,OFFSET sum  ;和數mov ecx,LENGTHOF op1;字節數call Extended_Addmov esi,OFFSET summov ecx,LENGTHOF sumcall Display_Sumcall CrlfINVOKE ExitProcess,0
main ENDP;計算兩個以字節數組存放的擴展整數之和
;接收:ESI和EDI 為兩個加數的指針
;     EBX為和數變量指針，ECX為相加的字節數
;和數存儲區必須比輸入的操作數多一個字節
;返回：無
Extended_Add PROCpushadclc
L1:mov al,[esi]   ;取第一個數adc al,[edi]   ;與第二個數相加pushfd         ;保存進位標志mov [ebx],al   ;保存部分和add esi,1add edi,1add ebx,1popfd           ;恢復進位標志loop L1mov BYTE PTR[ebx],0   ;清除和數高字節adc BYTE PTR[ebx],0   ;加上其他的進位popadret
Extended_Add ENDPDisplay_Sum PROCpushad;指向最后一個元素add esi,ecxsub esi,TYPE BYTEmov ebx,TYPE BYTE
L1:mov al,[esi]  call WriteHexB  ;顯示該字節sub esi,TYPE BYTEloop L1popadret
Display_Sum ENDPEND main

3:SBB : 帶借位減法指令SBB

.386
.model flat,stdcall.stack 4096
ExitProcess PROTO,dwExitCode:DWORD.code
main PROC;32位操作數實現64位減法;EDX:EAX = 0000000700000001h - 2mov edx,7   ;高32位mov eax,1   ;低32位sub eax,2   sbb edx,0   ;EDX:EAX = 00000006FFFFFFFEhINVOKE ExitProcess,0main ENDP
END main

4:AAA : 執行加法后進行ASCII調整指令

.386
.model flat,stdcall.stack 4096
ExitProcess PROTO,dwExitCode:DWORD.code
main PROCmov ah,0      ;清空AHmov al,'8'    ;AX = 0038hadd al,'2'    ;AX = 006Ahaaa           ;AX=0100h(結果進行ASCII調整)or ax,3030h   ;AX = 3130='10'(轉換為ASCII碼)INVOKE ExitProcess,0
main ENDP
END main

5:AAA指令應用，多字節加法（ASCII碼方式的），有隱含固定小數點的串執行ASCII運算

include Irvine32.incDECIMAL_OFFSET = 5  ;距離串右側的偏移量
.data
decimal_one BYTE "100123456789765"  ;1001234567.89765
decimal_two BYTE "900402076502015"  ;9004020765.02015
sum BYTE (SIZEOF decimal_one + 1) DUP(0),0.code
main PROC;從最后一個數字位開始mov esi,SIZEOF decimal_one - 1mov edi,SIZEOF decimal_onemov ecx,SIZEOF decimal_onemov bh,0  ;進位值清零
L1:mov ah,0    ;執行加法前清除AHmov al,decimal_one[esi] ;取第一個數字add al,bh   ;加上之前的進位值aaa         ;調整和數AH=進位值mov bh,ah   ;將進位值保存到BHor bh,30h  ;轉換為ASCII碼add al,decimal_two[esi]  ;加第二個數字aaa          ;AH = 進位值or bh,ah     ;保存的進位值與現在進位值oror bh,30h    ;轉成ASCII碼or al,30h    ;將al轉成ASCII碼mov sum[edi],al  ;保存到sumdec esidec ediloop L1mov sum[edi],bh  ;保存最后進位值 ;顯示和數字符串mov edx,OFFSET sumcall WriteStringcall Crlfexit
main ENDP
END main

6:AAS : 執行減法后且進行ASCII調整指令

.386
.model flat,stdcall.stack 4096
ExitProcess PROTO,dwExitCode:DWORD.data
val1 BYTE '8'
val2 BYTE '9'.code
main PROCmov ah,0mov al,val1  ;AX =0038sub al,val2  ;AX = 00FFhaas          ;AX = FF09hpushf        ;保存進位標志or al,30h    ;AX = FF39hpopf         ;恢復進位INVOKE ExitProcess,0
main ENDP
END main

7:AAM : 執行乘法后執行的ASCII調整

.386
.model flat,stdcall.stack 4096
ExitProcess PROTO,dwExitCode:DWORD.data
AscVal BYTE 05h,06h.code
main PROCmov bl,AscValmov al,[AscVal+1]mul bl  ;AX = 001Ehaam     ;AX = 0300hINVOKE ExitProcess,0
main ENDP
END main

8:AAD : 執行除法前執行的ASCII調整

.386
.model flat,stdcall.stack 4096
ExitProcess PROTO,dwExitCode:DWORD.data
quotient BYTE ?
remainder BYTE ?.code
main PROCmov ax,0307h   ;被除數aad            ;AX = 0025hmov bl,5       ;除數div bl         ;AX = 0207hmov quotient,almov remainder,ahINVOKE ExitProcess,0
main ENDP
END main

9:DAA : 壓縮十進制數相加后，DAA指令將和數轉成壓縮十進制格式,ADD或ADC指令在AL中生成二進制和數，DAA在加法后執行

.386
.model flat,stdcall.stack 4096
ExitProcess PROTO,dwExitCode:DWORD.code
main PROC;計算35+48mov al,35hadd al,48h  ;AL = 7Dhdaa         ;AL = 83h(調整后的結果)INVOKE ExitProcess,0
main ENDP
END main

10:DAA應用，將兩個16位壓縮十進制整數加法，和數保存在一個壓縮的雙字

include Irvine32.inc.data
packed_1 WORD 4536h
packed_2 WORD 7207h
sum DWORD ?.code
main PROC;初始化和數與索引mov sum,0mov esi,0;低字節相加mov al,BYTE PTR packed_1[esi]add al,BYTE PTR packed_2[esi]daamov BYTE PTR sum[esi],al;高字節相加,包括進位標志位inc esimov al,BYTE PTR packed_1[esi]adc al,BYTE PTR packed_2[esi]daamov BYTE PTR sum[esi],al;若還有進位,則加上該進位值inc esimov al,0adc al,0mov BYTE PTR sum[esi],al;用十進制顯示和數mov eax,sumcall WriteHexcall Crlfexit
main ENDP
END main