FPP8/A Floating Point Processor - Revision history

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2019-11-22T20:25:58Z

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Jnc: Created page with " The '''FPP8/A''' was a floating point processor, nominally for the PDP-8/A, but it can operate on any OMNIBUS PDP-8. it was not part of the Central Proces..."

2018-09-19T23:52:46Z

Created page with " The '''FPP8/A''' was a floating point processor, nominally for the PDP-8/A, but it can operate on any OMNIBUS PDP-8. it was not part of the Central Proces..."

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The '''FPP8/A''' was a [[floating point processor]], nominally for the [[PDP-8/A]], but it can operate on any [[OMNIBUS]] [[PDP-8]].

it was not part of the [[Central Processing Unit|CPU]], but used [[Direct Memory Access|DMA]] for its [[instruction]]s and data. Its [[floating point]] format provided three and six [[word]] formats, with 12 bits of exponent; it also supported double-word integers.

It used two [[DEC card form factor|hex]] boards, so to fit it into a machine that normally only holds quad boards (such as a [[PDP-8/M]]), one of the fans has to be removed. It has been observed to operate in a PDP-8/M, though.

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[[Category: PDP-8s]]

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−	The '''FPP8/A''' was a [[floating point processor]], nominally for the [[PDP-8/A]], but it can operate on any [[OMNIBUS]] [[PDP-8]]. it was not part of the [[Central Processing Unit\|CPU]], but used [[Direct Memory Access\|DMA]] for its [[instruction]]s and data.	+	The '''FPP8/A''' was a [[floating point processor]], nominally for the [[PDP-8/A]], but it can operate in any [[OMNIBUS]] [[PDP-8 family\|PDP-8]]. it was not part of the [[Central Processing Unit\|CPU]], but used [[Direct Memory Access\|DMA]] for its [[instruction]]s and data.

	Its [[floating point]] format provided three and six [[word]] formats, with 12 bits of exponent; it also supported double-word integers.		Its [[floating point]] format provided three and six [[word]] formats, with 12 bits of exponent; it also supported double-word integers.

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-The '''FPP8/A''' was a [[floating point processor]], nominally for the [[PDP-8/A]], but it can operate on any [[OMNIBUS]] [[PDP-8]].
+The '''FPP8/A''' was a [[floating point processor]], nominally for the [[PDP-8/A]], but it can operate on any [[OMNIBUS]] [[PDP-8]]. it was not part of the [[Central Processing Unit|CPU]], but used [[Direct Memory Access|DMA]] for its [[instruction]]s and data.
-it was not part of the [[Central Processing Unit|CPU]], but used [[Direct Memory Access|DMA]] for its [[instruction]]s and data. Its [[floating point]] format provided three and six [[word]] formats, with 12 bits of exponent; it also supported double-word integers.
+Its [[floating point]] format provided three and six [[word]] formats, with 12 bits of exponent; it also supported double-word integers.
 It used two [[DEC card form factor|hex]] boards, so to fit it into a machine that normally only holds quad boards (such as a [[PDP-8/M]]), one of the fans has to be removed. It has been observed to operate in a PDP-8/M, though.