[Simh] IBM 650 Simulator Release 4

[Sergio Pedraja]

Awesome, Roberto. My sincere congrats for this beautiful work.

Cordiales saludos / Best Regards / Salutations / Freundliche Grüße
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Sergio Pedraja
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Senior Technician in Computer Science, Systems Administration, and
Information Security. MBA. Qualified occupational trainer.

El sáb., 16 may. 2020 12:36, Sancho Villa, Roberto <rsancho at minsait.com>
escribió:

> Hi All
>
>
>
> The Release 4 of the IBM 650 computer simulator is available from the
> Computer History Simulation Project (SIMH) site:
> https://github.com/simh/simh
>
>
>
> This release is focused on Disk and Tape devices.
>
> I’ve recovered some interesting software, ready to test in SW/ directory
>
>
>
> ·         Donald Knuth SuperSoap: the most advanced assembler IMHO, full
> of nice programming tricks like a subroutine computing return address!
>
> ·         Regional Assembler from Missile Systems Division Lockheed
> Aircraft Corporation: Seems to be very similar to IBM 701 Regional
> Assembler: no mnemonics!, just regions to allow code to be at non-absolute
> addresses
>
>
>
> On the hardware side, still unimplemented the inquiry stations, as I’ve
> spotted no sw at all that use them. Any help is welcome.
>
>
>
> Any comment/suggestion is also very welcome.
>
> Best regards
>
> Roberto
>
>
>
> This is a summary of what’s new
>
> o    New Hardware support:
>
> §  IBM 650 Model 4 with 4000 words drum memory.
>
> §  IBM 652 Control Unit: provides up to 6 tape units IBM 727
>
> §  Table LookUp on equal feature (provides TLE opcode)
>
> §  IBM 355 RAMAC Disk Storage
>
> o    New Software included:
>
> §  SOAP IIA-4000 multipass assembler
>
> §  SOAP IIA-4000 Tape Librarian
>
> §  Regional Assembler
>
> §  SuperSoap
>
> o    New features:
>
> §  CARDDECK SPLIT command now allows to split availability table deck and
> condensed 5-word-per-load-card deck.
>
> o    The usual bug correction pack
>
>
>
>
>
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