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Ãëàâíàÿ -> Ïîÿâëåíèå ïåðâîãî ìèêðîïðîöåññîðà 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 [18] 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 ;ÏÐÎÂÅÐÊÀ ÇÍÀÊÀ ÌÍÎÆÈÌÎÃÎ
Âìåñòî ïîäïðîãðàììû Ó88Á ìîæíî èñïîëüçîâàòü ïîäïðîãðàììó Ó88Á1, åñëè ïðåäâàðèòåëüíî ïåðåäàòü ÌÍ èç ðåãèñòðà (Ñ) â àêêóìóëÿòîð è íå ñòàâèòü çàäà÷ó ñîõðàíåíèÿ ÌÍ ïîñëå âûïîëíåíèÿ ÓÄ88. Ãëóáèíà ñòåêà â ïðîãðàììå ðàâíà 2 áàéòàì. Òåñòîâûå äàííûå äëÿ ïðîãðàììû ÓÄ88 ïðèâåäåíû â òàáë. 1.8. Òàáë. Òåñòû óìíîæåíèÿ ôîðìàòà 8-8=16 (öåëûå äâîè÷íûå ÷èñëà â äîïîëíèòåëüíîì êîäå) Ïðåäñòàâ.1åíèå ÷èñåë øåñòíàäöàòåðè÷íîå äåñÿòè÷íîå FF-FF=0001 FF-01 =FFFF F0-0F=FF10 55-ÀÀ=Å372 80-80 =4000 7F-7F =3F01 -1)-(-1) = + 1 -1)-(+1) = -1 -16)-(+15)=-240 +85)-(-86) = -7310 -128)-(-128)=-f 16384 + 127)-(-Ì27)= + 16129 1.3.3.2. Ôîðìàò 8 • 16= 24 Ïðîãðàììà ÓÄ24 âûïîëíÿåò óìíîæåíèå, îáðàùàÿñü ê ïîäïðîãðàììå Ó24: 0680 05Á0 ORG 680Í Ó24 SET ÇÂÎÍ ÓÄ24ã ãÏÎÄÏÐÎÃÐÀÌÌÀ ÓÌÍÎÆÅÍÈß «ÅËÛÕ ÄÞÈ×ÍÛÕ ×ÈÑÅË Â ÄÎÏÎË-ãÍÈÒÅËÜÍÎÌ ÊÎÄÅ ÔÎÐÌÀÒÀ 16*8=24. 1ÂÕ0ÄÍÛÅ ÏÀÐÀÌÅÒÐÛ". (Ñ)-ÌÍÎÆÈÒÅËÜ, (DrE)-ÌÍÎÆÈÌÎÅ.ÂÛÕÎÄ-?ÍÛÅ ÏÀÐÀÌÅÒÐÛ! (ÁÆi.L)~ÏP0ÈÇÁEÄEHÈE.ÈCÏ0ËÜÇÓÞTCß ÂÑÅ ãÐÅÃÈÑÒÐÛ.ÑÎÕÐÀÍßÞÒÑß (Ñ).(Ï,Å).ÈÑÏÎËÜÇÓÅÒÑß ÏÎÉÏÐÎÃ-SPAMMA *Ó24». SÎÖÅÍÊÀ:ÄËÈÍÀ-25 (+25 *Ó24*) ÁÀÉÒ,ÂÐÅÌß-ÍÅ ÁÎËÅÅ 630 ÏÀÊÒΠ(Ñ Ó×ÅÒÎÌ *Ó24«). ?ÂÛÏÎËÍÅÍÈÅ ÁÅÇÇÍÀÊÎÂÎÃÎ ÓÌÍÎÆÅÍÈß 16*8=24
Ãëóáèíà ñòåêà - 2. Òåñòîâûå äàííûå äëÿ ïðîãðàììû ÓÄ24 ïðèâåäåíû â òàáë. 1.9. Òàáë. 1.9. Òåñòû óìíîæåíèÿ ôîðìàòà 8-16=24 (öåëûå äâîè÷íûå ÷èñëà â äîïîëíèòåëüíîì êîäå) Ïðåäñòàâ.1åíèå ÷èñåë øåñòíàäöàòåðè÷íîå FF-FFFF=000 001 01-FFFF=FFFFFF 0F-F000=FF1000 FF-FFOO=000100 AA-5555=:E35 572 7F-07FF=03F781 (-l)-(-l) = + l (+l)-(-l)=-l (-l-15)-(-4096)=-61440 (-l>(-256)=-1-256 (- 86) - (-1- 21845) = - 1878670 (-fl 27) • (-1- 2047) = + 259969 1.3.3.3. Ôîðìàò 16 • 16 = 32 Ïðîãðàììà ÓÄ32 âûïîëíÿåò óìíîæåíèå, îáðàùàÿñü ê ïîäïðîãðàììå Ó32Á: 06D0 0630 ORG áÏÎÍ ÓÇàÁ SET 630Í ÓÄ32: SÏÎÄÏÐÎÃÐÀÌÌÀ ÓÌÍÎÆÅÍÈß ÖÅÄÛÕ ÄÂÎÈ×ÍÛÕ ×ÈÑÅË Á ÄÎÏÎË-ãÍÈÒÅËÜÍÎÌ ÊÎÄÅ ÔÎÐÌÀÒÀ 16)È6=32. ãÂÕÎÄÍÛÅ ÏÀÐÀÌÅÒÐÛ:(Á,Ñ)-ÌÍÎÆÈÒÅËÜ,(»Å)-ÌÍÎÆÈÌÎÅ.ÂÛ-ãÕÎÄÍÍÅ ÏÀÐÀÌÅÒÐÛ: (ÁòÑ,H.L)-ÏÐÎÈÇÂÅÄÅÍÈÅ.ÈÑÏÎËÜÇÓÞÒÑß JBCE ÐÅÃÈÑÒÐÛ.ÑÎÕÐÀÍßÅÒÑß (Â.Å) .ÃËÓÁÈÍÀ ÑÒÅÊÀ-Þ.ÈÑ-;ÏÎËÜÇÓÅÒÑß ïîäïðîãðàììà *Ó32Á*. !ÎÖÅÍÊÀ!ÄËÈÍÀ-41 Ñ(+42 •Ó32Á*)+18 *Ó24À*),ÂÐÅÌß-ÍÅ ?ÁÎËÅÅ 1340 òàêòîâ (ñ Ó×ÅÒÎÌ *Ó32Å*). ;ÂÛÏÎËÍÅÍÈÅ ÁÅÇÇÍÀÊÎÂÎÃÎ ÓÌÍÎÆÅÍÈß 16*16=32
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 [18] 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 0.0092 |
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