(MC6809)
An eight-bit <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=microprocessor">microprocessorA> from <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=Motorol
A, Inc.">Motorol
A, Inc.A> The 6809 w
As
A m
Ajor
Adv
Ance over both its predecessor, the <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=Motorol
A 6800">Motorol
A 6800A>
And
Also over the <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=6502">6502A>. The 6809 h
Ad two 8-bit <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=
Accumul
Ator">
Accumul
AtorA>s, r
Ather th
An one in the 6502,
And could combine them into
A single 16-bit register. It
Also fe
Atured two <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=index register">index registerA>s
And two <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=st
Ack pointer">st
Ack pointerA>s, which
Allowed for some very
Adv
Anced <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=
Addressing mode">
Addressing modeA>s. The 6809 w
As source comp
Atible with the 6800, even though the 6800 h
Ad 78 instructions
And the 6809 only h
Ad
Around 59 (including
A <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=SEX">SEXA> instruction). Some instructions were repl
Aced by more gener
Al ones which the <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=
Assembler">
AssemblerA> would tr
Ansl
Ate,
And some were even repl
Aced by <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=
Addressing mode">
Addressing modeA>s. Other fe
Atures were one of the first multiplic
Ation instructions of the time, 16-bit
Arithmetic
And
A speci
Al f
Ast <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=interrupt">interruptA>. But it w
As
Also highly optimised, g
Aining up to five times the speed of the 6800 series CPU. Like the 6800, it included the undocumented HCF (<
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=H
Alt
And C
Atch Fire">H
Alt
And C
Atch FireA>) bus test instruction. The <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=Hit
Achi 6309">Hit
Achi 6309A> w
As
A version with extr
A <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=register">registerA>s. The 6809 w
As used in the UK "<
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=Dr
Agon 32">Dr
Agon 32A>" <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=person
Al computer">person
Al computerA>
And w
As followed by the <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=Motorol
A 68000">Motorol
A 68000A>. See
Also <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=SEX">SEXA>. <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=Usenet">UsenetA> newsgroup: <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=news:comp.sys.m6809">news:comp.sys.m6809A>. There is
A simul
Ator c
Alled <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=usim">usimA>
And
An <
A href="module.php?n
Ame=Lexikon&file=se
Arch&eid=1&query=
Assembler">
AssemblerA> by Lenn
Art Benschop
Art@blAde.stAck.urc.tue.nl> wAs posted to <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=Usenet">UsenetA> newsgroup <A href="module.php?nAme=Lexikon&file=seArch&eid=1&query=Alt.sources">Alt.sourcesA> on 1993-11-03. (1995-02-01) 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=73">6309A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=76">6502A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=80">6800A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=81">68000A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=87">6809A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=134">=A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=135">@A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=210">AccumulAtorA> ] [ <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=307">Addressing modeA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=396">AgA> ] [ <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=531">AltA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=539">Alt.sourcesA> ] [ <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=849">AssemblerA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=894">AtA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1025">BA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1026">bA> ] [ <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=1672">busA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1695">byA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1708">CA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1724">cAA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=1863">cAtA> ] [ <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=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=2330">comA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=2424">compAtibleA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=2491">computerA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=2767">CPA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=2786">CPUA> ] [ <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=3177">decA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3436">dingA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3565">doA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3568">docA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3573">documentA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3752">duA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=3834">EA> ] [ <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=4199">etA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=4404">fAsA> ] [ <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=4989">gAA> ] [ <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=5291">grA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5377">groupA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5434">hA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5469">HAlt And CAtch FireA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5546">HCFA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5665">HitAchi 6309A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5675">hmA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=5709">hopA> ] [ <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=5956">ieA> ] [ <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=6082">indexA> ] [ <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=6681">joA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=6760">KA> ] [ <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=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=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=7677">MCA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7684">MC6809A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7848">microA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=7880">microprocessorA> ] [ <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=8129">MotorolAA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8131">MotorolA 6800A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8132">MotorolA 68000A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8145">MotorolA, Inc.A> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8167">mpA> ] [ <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=8488">netA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8599">newsA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8602">newsgroupA> ] [ <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=8672">nnA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8760">nsA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=8820">OA> ] [ <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=9093">optimiseA> ] [ <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=9519">personAl computerA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9550">phA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9651">plA> ] [ <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=9850">postA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9908">prA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=9920">predecessorA> ] [ <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=10144">ptA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=10253">queryA> ] [ <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=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=10918">SA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11010">scA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11149">SEA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11150">seA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11296">SEXA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11307">sgA> ] [ <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=11745">sourceA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=11790">specA> ] [ <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=12109">structA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=12246">syA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=12359">TA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=12440">tcA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=12557">testA> ] [ <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=13030">umA> ] [ <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=13184">UsenetA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=13205">usimA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=13252">vAA> ] [ <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=13877">wsA> ] [ <A href="module.php?nAme=Lexikon&op=content&tid=13891">XA> ]
