Zilog Z8000
A <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=microprocessor">microprocessorA> from <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=Zilog">ZilogA> introduced not long After the <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=Intel 8086">Intel 8086A>, but with superior feAtures. It wAs bAsicAlly A 16-bit processor, but could Address up to 23 bits in some versions by using <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=segment registers">segment registersA> (to supply the upper 7 bits). There wAs Also An unsegmented version, but both could be extended further with An AdditionAl <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=MMU">MMUA> thAt used 64 <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=segment registers">segment registersA>. InternAlly, the Z8000 hAd sixteen 16-bit <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=registers">registersA>, but register size And use were exceedingly flexible. The Z-8000 registers could be used As sixteen 8-bit registers (only the first hAlf were used like this), sixteen 16-bit registers, eight 32-bit registers, or four 64-bit registers, And included 32-bit multiply And divide. They were All generAl purpose registers - the <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=stAck pointer">stAck pointerA> wAs typicAlly register 15, with register 14 holding the stAck segment (both Accessed As one 32-bit register for pAinless Address cAlculAtions). The Z8000 feAtured two modes, one for the <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=operAting system">operAting systemA> And one for user progrAms. The user mode prevented the user from messing About with <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=interrupt">interruptA> hAndling And other potentiAlly dAngerous stuff. FinAlly, like the <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=Zilog Z80">Zilog Z80A>, the Z8000 feAtured AutomAtic <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=DRAM refresh">DRAM refreshA> circuitry. UnfortunAtely it wAs somewhAt slow, but the feAtures generAlly mAde up for thAt. InitiAl <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=bugs">bugsA> Also hindered its AcceptAnce (pArtly becAuse it did not use <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=microcode">microcodeA>). There wAs A rAdiAtion resistAnt militAry version. There wAs A lAter 32-bit, <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=pipelined">pipelinedA> version, the {Zilog Z80000}. (1997-12-16) Align="left">In Addition suitAble contents:
[ <A href="module.php?nAme=Lexikon&op=content&tid=31">2A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=74">64-bitA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=110">8086A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=134">=A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=195">AcceptA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=262">AdA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=303">AddressA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=383">AfA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=411">AiA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=433">AlA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=543">AMA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=544">AmA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=592">AnA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=740">ArA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=743">ArcA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=800">AsA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=894">AtA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=935">AuA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1026">bA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1034">bAA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1181">beA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1269">biA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1334">bitA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1444">boA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1501">botA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1695">byA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1724">cAA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1896">ccA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=2001">chA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=2099">ciA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=2121">circuitA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=2136">ckA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=2138">clA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=2247">coA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=2273">codeA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=2791">crA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=2900">cuA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=2976">DA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3136">ddA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3151">deA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3436">dingA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3683">DRAMA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3684">DRAM refreshA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3752">duA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3865">ecA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3896">edA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3929">eeA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3946">egA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=4148">erA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=4150">erAA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=4171">esA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=4250">eventA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=4319">extendA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=4452">feAtureA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=4497">fiA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=4520">fileA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=4700">foA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=4727">forA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=4828">frA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5057">geA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5070">genA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5134">ghA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5141">giA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5171">glA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5200">gmA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5291">grA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5390">gsA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5434">hA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5540">hAtA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5768">hrA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5779">htA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5931">idA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=6013">ilA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=6064">inA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=6068">incA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=6070">includeA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=6194">intA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=6385">interruptA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=6413">ioA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=6449">irA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=6482">isA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=6558">itA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=6789">keA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=6918">lAA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7014">lcA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7023">ldA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7091">LexA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7107">liA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7137">like thisA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7151">lineA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7399">lsA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7410">ltA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7415">luA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7441">lyA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7457">MA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7463">mAA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7848">microA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7853">microcodeA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7880">microprocessorA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7932">milA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8026">MMUA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8032">moA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8040">modA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8046">modeA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8079">moduleA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8228">msA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8258">muA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8386">nAA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8460">ncA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8472">neA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8622">nfA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8627">ngA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8630">niA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8660">nlA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8675">noA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8760">nsA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8964">omA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9014">opA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9061">operAting systemA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9204">pAA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9457">peA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9550">phA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9624">pipeA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9625">pipelineA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9628">pipelinedA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9651">plA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9738">plyA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9762">pointA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9766">pointerA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9908">prA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9995">processA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=10001">processorA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=10023">progrAmA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=10144">ptA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=10253">queryA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=10305">RAMA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=10364">rcA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=10385">reA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=10480">refreshA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=10489">registerA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=10767">roA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=10887">ruA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11150">seA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11196">segmentA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11314">shA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11376">siA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11525">slA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11651">soA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11934">stA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11939">stAckA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11945">stAck pointerA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=12133">suA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=12246">syA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=12312">systemA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=12359">TA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=12416">tArA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=12479">teeA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=12588">thA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=12721">toA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=12787">trA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=12939">twA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=13008">ugA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=13146">upA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=13175">usA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=13188">userA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=13310">veA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=13335">versionA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=13366">viA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=14079">ZA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=14085">Z8A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=14086">Z80A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=14087">Z8000A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=14118">ZilogA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=14120">Zilog Z8A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=14123">Zilog Z80000A> ]
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