Author Topic: ROYAL ORDNANCE Fuze Setter Logic Unit L1A1 Teardown  (Read 460 times)

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Offline TheEPROM9

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ROYAL ORDNANCE Fuze Setter Logic Unit L1A1 Teardown
« on: May 08, 2021, 04:14:29 pm »
I have also included dumps from the EPROM's
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Offline bsdphk

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Re: ROYAL ORDNANCE Fuze Setter Logic Unit L1A1 Teardown
« Reply #1 on: May 09, 2021, 05:52:48 pm »
The CDP1802 is a wonderful chip.

It has 16 registers 16 bit each, and then it has a 4 bit register which tells you which register is the program counter right now
 

Offline bsdphk

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Re: ROYAL ORDNANCE Fuze Setter Logic Unit L1A1 Teardown
« Reply #2 on: May 09, 2021, 08:45:30 pm »
I have added the proms as an example to my PyReveng3 archaeology disassembler:

https://github.com/bsdphk/PyReveng3/tree/master/examples/L1A1_Fuze_Setter

 

Offline TheEPROM9

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Re: ROYAL ORDNANCE Fuze Setter Logic Unit L1A1 Teardown
« Reply #3 on: May 10, 2021, 09:15:56 am »
Nice & I see it's Python. I will have a play with that one.
TheEPROM9 (The Husky Hunter Collectors inc.)
Knowledge should be sheared freely to those who want it.
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Offline TheEPROM9

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Re: ROYAL ORDNANCE Fuze Setter Logic Unit L1A1 Teardown
« Reply #4 on: May 10, 2021, 09:17:41 am »
The CDP1802 is a wonderful chip.

It has 16 registers 16 bit each, and then it has a 4 bit register which tells you which register is the program counter right now

I am discovering these have a bit of a following in the retro computer comuity. I wonder if I should pillage it from the device & use it in a project. Seems a little mnore advanced than the usual 8-bit CPU's like the Z80 or the 6502.
TheEPROM9 (The Husky Hunter Collectors inc.)
Knowledge should be sheared freely to those who want it.
https://www.flickr.com/photos/146977913@N06/ https://www.youtube.com/channel/UC4vOnjz1G-aM8LddSbrK1Vg https://www.facebook.com/groups/118910608126229/
 

Offline coppercone2

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Re: ROYAL ORDNANCE Fuze Setter Logic Unit L1A1 Teardown
« Reply #5 on: May 23, 2021, 08:18:57 am »
i like how they drew a little moon and sun on it. i wonder if the version for nuclear rounds has something like this

 


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