8x300 design guide - Al Kossow's Bitsavers - Trailing-Edge
8x300 design guide - Al Kossow's Bitsavers - Trailing-Edge
8x300 design guide - Al Kossow's Bitsavers - Trailing-Edge
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MERGE<br />
lOGIC<br />
~IVO<br />
~IVl<br />
_.~IV2<br />
(Nole.lnternal<br />
Working Reg.ste,.<br />
Cannot be U •• ked)<br />
INPUT /OUTPUT<br />
LATCHES<br />
N<br />
I<br />
N<br />
ADDRESS<br />
REGISTER<br />
(AR)<br />
PROGRAM eTA<br />
(PC)<br />
R 1 - Genera. Working Regilt.,<br />
R2 - Generol Workl"9 R"lIloler<br />
Rl - Gen ..... Working Reo'e'"<br />
R4 - Gene,eI Working R~.t ...<br />
RS - General Working R.I_<br />
R6 - Generol WorklOil R"lIioler<br />
R 11 - General WorklOil R"lIioler<br />
AUX - G_.I WorklOil Regloler<br />
ImpHed Operand 'or Arithmetic or<br />
L09k:oI Operatlono.<br />
OVF - Thel ••• t-Signi'6cant Bit 0' Thil Regiat.,<br />
i, Used to Aeneel Overflow Status R.lulling<br />
From the MOlt Recent ADO Operation<br />
INSTRUCTION REGISTER (IR)<br />
- HokH the l6·Bit In"ruction Word<br />
Currently aeing Execute
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