Webwithout using string instruction. data segment arr1 db 05h,06h,07h,09h,02h data ends extra segment arr2 db 10 dup(0) extra ends code segment assume ds:data,cs:code,es:extra ... WebConsider the following instruction. cmp AL, BL AL and BL contain unsigned integers. After executing the instruction, you can read the flags as, CF = 1, OF = 0, ZF = 0, PF= 1 Which of the following is TRUE? (1 …
assembly - Understanding cmp instruction - Stack Overflow
WebXCHG BL, CH Exchange byte in BL with byte in CH XCHG AL, PRICES [BX] Exchange byte in AL with byte in memory at EA = PRICE [BX] in DS. LEA – LEA Register, Source This instruction determines the offset of the variable or memory location named as the source and puts this offset in the indicated 16-bit register. WebConsider the following assembly instruction sequence CMP DL, 0 JB x_label CMP DL, 9 JA a_label ADD DL, 30h JMP x_label a_label: CMP DL, 0Fh JA x_label ADD DL, 37h x_label: MOV AL, DL watch point: ... Choose correct value of AL register at watch point for different value of DL? DL=10 38h. DL=8 41h. DL=55h 55h. DL=0FFh 0FFh mary stone reihenfolge
IMPLEMENTING ARITHMETIC INSTRUCTIONS IN EMU 8086
WebCMP and TEST instructions affect flags only and do not store a result (these instruction are used to make decisions during program execution). These instructions affect these flags only: CF, ZF , SF, OF, PF, AF. ADD - add second operand to first. SUB - Subtract second operand to first. CMP - Subtract second operand from first for flags only . WebMOV AL, 0FEh MOV BL, 0CDh ADD AL, BL CMOVNO AL, CL AL=[1] CB or 1 or CD 16. What is the equivalent arithmetic operation of MOV AH,4 SHL AH,2 add ah, 12 or SAL QUIZ 2 Question Answer 1. Use operands 4FCAH and C237H to perform AND 4202 (wala daw H ata, king ina) 2. SUB CX, BX SUB DH, OEEH SUB SI, DI SUB EBP, 3322H SUB CH, … WebWith signed operands, the CMP instruction makes the Sign flag equal to the Overflow flag when the destination operand is greater than the source operand. True In the following instruction sequence, show the changed values of AL where indicated, in binary: mov al,11001111b and al,00101011b 00001011 mary stone properties for sale