[game_preservation] PDP-5 Emulation

[Andrew Armstrong]

I checked out the NMOC - the expert there on PDP's said he saw the 
message in the other list actually, but in any case, PDP-5's are 
rare-as, and there's not one at the musuem, but suggested trying it on a 
PDP-8 emulator anyway.

I am not sure actually if there is a scope display on any of the PDP 
machines there but could take the program and see if it will run, 
probably easier to try it in an emulator however :) looks like some 
progress on that front. If it all works and whatnot, I could try it on a 
PDP machine if I can find a scope.

Andrew

On 11/04/2010 15:24, Devin Monnens wrote:

> Marty,

>

> Well, there's a slight possibility this might run on a PDP-8 emulator. 

> This overview says that the Type 34 works on the PDP-8:

>

> http://www.faqs.org/faqs/dec-faq/pdp8-models/

>

> This is the operator's manual for the Type 34 oscilliscope (should 

> work on both the 5 and 8). The game also uses the AS33 teletype, but 

> this was standard on the PDP-8 and PDP-5.

>

> http://www.bitsavers.org/pdf/dec/pdp8/pdp8/DEC-08-I6AA-D_34D_Oscilloscope_Display_Control_Nov67.pdf

>

> This catalog has the Type 34 instructions on pages 64 and 66.

>

> http://research.microsoft.com/en-us/um/people/gbell/Digital/PDP%205%20Manual%201964.pdf

>

> I also know it's a 5" display with 1024x1024 resolution (addressable 

> points). Wow, that's small! (but high resolution!)

>

> I'm not sure about the assembly set information. Are you looking for a 

> set of code?

>

> As ICBM is the only program I know that runs on an oscilliscope that I 

> actually have code for, this will have to be the test software - so 

> you should document your expression when it gets running :P I wasn't 

> sure which file extension to use to save as a program, so it's in .rtf 

> which should be easy to convert. Bolded text is code I am unsure of.

>

> www.metroid-database.com/files/DEC-5-266-ICBM.rtf 

> <http://www.metroid-database.com/files/DEC-5-266-ICBM.rtf>

>

> Here is the original (yes, I just realized I entered the program's 

> name incorrectly).

>

> http://pdp-8.org/scans/an/decus-5/decus-5-277.pdf

>

>

>

> On Sun, Apr 11, 2010 at 12:02 AM, Martin Goldberg <wgungfu at gmail.com 

> <mailto:wgungfu at gmail.com>> wrote:

>

>     Not sure, I just know the 8 uses the 5's instruction set.

>

>     If you can get me a listing of the assembly set information on the

>     visual display interface, I can write up a Flash based emulator for

>     the PDP-5 for you.

>

>

>     Marty

>

>     On Sat, Apr 10, 2010 at 5:21 PM, Devin Monnens <dmonnens at gmail.com

>     <mailto:dmonnens at gmail.com>> wrote:

>     > Well, these are some interesting emulators (I downloaded another

>     PDP-8 for

>     > the Mac that runs in OS9). But I don't think these support a

>     visual display

>     > - just a teletype. The thing is, I thought if the software ran

>     for both

>     > PDP-5 and 8, the DECUS number would begin PDP-5/8.

>     >

>     > On Sat, Apr 10, 2010 at 1:22 PM, Martin Goldberg

>     <wgungfu at gmail.com <mailto:wgungfu at gmail.com>> wrote:

>     >>

>     >> Just doing some further research, you should be able to get code

>     >> running with the multi-mainframe/mini simulator SIMH -

>     >>

>     >> http://simh.trailing-edge.com/

>     >>

>     >> It does the PDP-8, which is essentially the next step up from the

>     >> PDP-5 (12 bit machines that used the same instruction set - the

>     12 bit

>     >> PDP's were the 5, 8, and 12).

>     >>

>     >>

>     >> There's also:

>     >>

>     >> http://www.vandermark.ch/pdp8/index.php?n=PDP8.Emulator

>     >>

>     >>

>     >>

>     >> Marty

>     >> _______________________________________________

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>     >

>     >

>     >

>     > --

>     > Devin Monnens

>     > www.deserthat.com <http://www.deserthat.com>

>     >

>     > The sleep of Reason produces monsters.

>     >

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>     >

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>

>

>

> -- 

> Devin Monnens

> www.deserthat.com <http://www.deserthat.com>

>

> The sleep of Reason produces monsters.

>

>

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