Question
D. For each of the following instructions, give the new destination contents and the new settings of CF,SF,ZF,PF, and OF. Suppose that the flags are
D. For each of the following instructions, give the new destination contents and the new settings of CF,SF,ZF,PF, and OF. Suppose that the flags are initially 0 in each part of this question. (Note: need not show AF)
* ADD AX,BX where AX contains 7FFFh and BX contains 0001h. * SUB AL,BL where AL contains 01h and BL contains FFh. * DEC AL where AL contains 00h. * NEG AL where AL contains 7Fh. * XCHG AX,BX where AX contains 1ABCh and BX contains 712Ah. * ADD AL,BL where AL contains 80h and BL contains FFh. * SUB AX,BX where AX contains 0000h and BX contains 8000h. * NEG AX where AX contains 0001h.
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