2008年12月1日 · Instruction input uses modified GRI-909 basic assembler syntax. There are thirteen different instruction formats. Operators, functions, and tests may be octal or symbolic; jump conditions and bus operators are always symbolic.

Initial memory size is 32K. The default configuration is a GRI-909 with AO, EAO, and GPR. CPU registers include the visible state of the processor as well as the control registers for the interrupt system. The paper tape reader (HSR) reads data from or a disk file. The POS register specifies the number of the next data item to be read.

GRI-909 computer. Catalog Number 102638721. Type Document. Date 1969 Publisher GRI Computer Corporation Category Promotional Material Subject Digital computer Collection Title Company Collection Lot Number X3067.2005. Hours and Direction. Hours & Direction. 1401 N Shoreline Blvd ...

2024年12月15日 · It is in excellent cosmetic condition with some light dust. Please see all the photos. It is large and heavy and will be packed accordingly. We have an excellent record of shipping items of similar size and fragility.” Welcome to our eBay store - preserving the past for the future - serving the Pacific Northwest and beyond.

2008年12月1日 · The GRI-909 simulator implements the following unique stop conditions: An unimplemented operator is referenced, and register STOP_OPR is set. An invalid interrupt request is made. The LOAD command has an optional argument to specify the load address:

2020年8月8日 · Introduced in 1969, the GRI-909 was the first system from the newly formed GRI Computer Corporation. Targetted for embedded and process control applications, the machine was very spare, with only one instruction format. The GRI-99 was a follow-on product with expanded capabilities (notably an index register).

From the bitsavers.org collection, a scanned-in computer-related document.gri :: gri909 :: GRI909 RefMan. Skip to main content. Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building façade. ...

2005年9月15日 · Does anyone have/know where I can get hold of a GRI-909 (or 919, or -99) computer from the early/mid 1970s ? They were Saul Dinman's brainchild, and (I, think, narrowly) lost the DEC-internal competition to become the PDP-11. A very early RISC machine of great elegance and limited utility, but ...

1999年12月9日 · Interesting reading... The GRI-909 is ALSO an interesting 16 bit machine. There is mention of it in Korn's minicomputer book, and Allen Baum has a little information on it. It would be interesting to find out if Saul has any information on it in his archives. Received on Thu Dec 09 1999 - 19:10:57 GMT

SIMH is a highly portable, multi-system simulator. Download the latest sources and documentation for SIMH V3.12-5, updated 16-Jul-2024. Older releases can be found here. Download the latest sources, documentation, and software kits for Dave Bryan's HP simulators. Download PDF copies of the documentation here.