User:RHansen - Revision history

RHansen: /* ND-100x Emulator */

2025-11-12T19:34:47Z

ND-100x Emulator

← Older revision		Revision as of 19:34, 12 November 2025
Line 114:		Line 114:
	** Floppy (PIO and DMA) for 8" and 5.25" formats		** Floppy (PIO and DMA) for 8" and 5.25" formats
	** SMD Hard Disk (75MB; multi-drive support in progress)		** SMD Hard Disk (75MB; multi-drive support in progress)
			* Planned IO devices
			** Serial ports
			** HDLC
			** SCSI
			** ND500 Bus Interface
	* Codebase Modernization		* Codebase Modernization
	* Tested on multiple host systems		* Tested on multiple host systems

RHansen: Added more info on host systems nd100x works on

2025-11-12T19:32:55Z

Added more info on host systems nd100x works on

← Older revision		Revision as of 19:32, 12 November 2025
Line 115:		Line 115:
	** SMD Hard Disk (75MB; multi-drive support in progress)		** SMD Hard Disk (75MB; multi-drive support in progress)
	* Codebase Modernization		* Codebase Modernization
			* Tested on multiple host systems
			** Ubuntu 22.04 LTS (x64)
			** FreeBSD 14.2 (x64)
			** WebAssembly (in the browser)
			** Risc-V (runs on tiny chips costing ~5 USD)
			** Raspberry PI 3B (probably works on all Raspberry PI models 2-5)
			** Read more here https://github.com/HackerCorpLabs/nd100x/blob/main/docs/SYSTEMS.md

	Source code in GitHub: https://github.com/HackerCorpLabs/nd100x		Source code in GitHub: https://github.com/HackerCorpLabs/nd100x

RHansen: /* ND-110 MircroCode Emulator */

2025-11-12T19:20:03Z

ND-110 MircroCode Emulator

← Older revision		Revision as of 19:20, 12 November 2025
Line 243:		Line 243:
	** I just found out that there exists and ND-100 emulator in OPEN-SIMH written in C by "Ragge". It is not 100% complete, lacking some opcodes, complete MMU and some devices - so you cannot boot Sintran (yet..) - https://github.com/open-simh/simh/tree/master/ND100		** I just found out that there exists and ND-100 emulator in OPEN-SIMH written in C by "Ragge". It is not 100% complete, lacking some opcodes, complete MMU and some devices - so you cannot boot Sintran (yet..) - https://github.com/open-simh/simh/tree/master/ND100

	==ND-110 ~~MircroCode~~ Emulator==		==ND-110 MicroCode Emulator==
	[[File:ND-110-UC.png\|200px\|thumb\|right\|MicroCode with syntax highlighting]]		[[File:ND-110-UC.png\|200px\|thumb\|right\|MicroCode with syntax highlighting]]

RHansen: Added information on the nd100x emulator

2025-11-12T19:13:02Z

Added information on the nd100x emulator

@@ Line 81: / Line 81: @@
 ** Working on making the emulator(s) working in the browser by compiling '''C# to WebAssembly'''
 ** CPU is running nicely, working on giving access to IO devices
-** You can test by going to [https://retrocore.hackercorp.no/ https://retrocore.hackercorp.no/] and selecting machine=ND100 then powering on the Emulator.
+** You can test by going to (https://retrocore.hackercorp.no/ https://retrocore.hackercorp.no/) and selecting machine=ND100 then powering on the Emulator.
 ** Feedback, comments, and help is much appreciated
 *** I am able to mount HDD for code running in the browser, but booting and running SINTRAN is painfully slow. So maybe not so good idea to do that..
@@ Line 88: / Line 88: @@
 Compiling the C based nd100x emulator to WebAssembly was a better solution - see below
 </pre>
 === I am looking for the following ===

RHansen: /* ND-110 Emulator */

2025-11-12T18:47:28Z

ND-110 Emulator

← Older revision		Revision as of 18:47, 12 November 2025
Line 210:		Line 210:
	** I just found out that there exists and ND-100 emulator in OPEN-SIMH written in C by "Ragge". It is not 100% complete, lacking some opcodes, complete MMU and some devices - so you cannot boot Sintran (yet..) - https://github.com/open-simh/simh/tree/master/ND100		** I just found out that there exists and ND-100 emulator in OPEN-SIMH written in C by "Ragge". It is not 100% complete, lacking some opcodes, complete MMU and some devices - so you cannot boot Sintran (yet..) - https://github.com/open-simh/simh/tree/master/ND100

	==ND-110 Emulator==		==ND-110 MircroCode Emulator==
	[[File:ND-110-UC.png\|200px\|thumb\|right\|MicroCode with syntax highlighting]]		[[File:ND-110-UC.png\|200px\|thumb\|right\|MicroCode with syntax highlighting]]

RHansen: /* Core CPU and Instruction Set details I am working on */

2025-11-12T18:46:37Z

Core CPU and Instruction Set details I am working on

RHansen: /* ND-100 Emulator */

2025-11-12T18:45:33Z

ND-100 Emulator

← Older revision		Revision as of 18:45, 12 November 2025
Line 21:		Line 21:
	These days I am a Cloud Architect, Developer and Geek - and the last years I have been spending an unhealthy amount of time writing emulators. You can read how this crazy journey started here [https://www.linkedin.com/pulse/wow-i-didnt-expect-so-much-fun-ronny-hansen/]		These days I am a Cloud Architect, Developer and Geek - and the last years I have been spending an unhealthy amount of time writing emulators. You can read how this crazy journey started here [https://www.linkedin.com/pulse/wow-i-didnt-expect-so-much-fun-ronny-hansen/]

	== ND-100 Emulator ==		=== ND-100 Emulator ===
	I have successfully (with some help) created an ND-100 emulator in .NET/C# with peripherals such as TeleType, Serial Ports, Floppy and HardDrive.		I have successfully (with some help) created an ND-100 emulator in .NET/C# with peripherals such as TeleType, Serial Ports, Floppy and HardDrive.

RHansen: /* Core CPU and Instruction Set details I am working on */

2025-11-12T18:45:02Z

Core CPU and Instruction Set details I am working on

← Older revision		Revision as of 18:45, 12 November 2025
Line 40:		Line 40:
	[[File:Paging-test.png\|200px\|thumb\|right\|Results from PAGING:TEST]]		[[File:Paging-test.png\|200px\|thumb\|right\|Results from PAGING:TEST]]

	=== Core CPU and Instruction Set details I am working on ===		== Core CPU and Instruction Set details I am working on ==

	* Validate CE (Commercial Extended) opcodes. They are confirmed working using "INSTRUCTION" test program, but it doesn't test all variants.		* Validate CE (Commercial Extended) opcodes. They are confirmed working using "INSTRUCTION" test program, but it doesn't test all variants.
Line 49:		Line 49:
	*** However, these are mostly performance extensions, so full implementation may not be necessary.		*** However, these are mostly performance extensions, so full implementation may not be necessary.
	*** CX (Segment) opcodes are included in this group.		*** CX (Segment) opcodes are included in this group.


	=== What's working in the ND-100 emulator ===		=== What's working in the ND-100 emulator ===

RHansen: /* What's NOT working in the ND-100 emulator */

2025-11-12T18:43:17Z

What's NOT working in the ND-100 emulator

← Older revision		Revision as of 18:43, 12 November 2025
Line 78:		Line 78:

	* Copying file from papertape driver to SINTRAN H disk with "COPY 'FILE:BPUN' PT1' fails after 129 bytes. It just stops, and I have to cancel the copy with ESC key.		* Copying file from papertape driver to SINTRAN H disk with "COPY 'FILE:BPUN' PT1' fails after 129 bytes. It just stops, and I have to cancel the copy with ESC key.

			=== ND-100 Running in the browser===
			** Working on making the emulator(s) working in the browser by compiling '''C# to WebAssembly'''
			** CPU is running nicely, working on giving access to IO devices
			** You can test by going to [https://retrocore.hackercorp.no/ https://retrocore.hackercorp.no/] and selecting machine=ND100 then powering on the Emulator.
			** Feedback, comments, and help is much appreciated
			*** I am able to mount HDD for code running in the browser, but booting and running SINTRAN is painfully slow. So maybe not so good idea to do that..

			<pre>
			Compiling the C based nd100x emulator to WebAssembly was a better solution - see below
			</pre>

	===I am looking for the following===		===I am looking for the following===

RHansen: /* ND-100 Running in the browser */

2025-11-12T18:41:18Z

ND-100 Running in the browser

← Older revision		Revision as of 18:41, 12 November 2025
Line 166:		Line 166:
	* I found documentation on this controller in the Reference Manuals for ND-500/ND-5000 and are slowly working on the details.		* I found documentation on this controller in the Reference Manuals for ND-500/ND-5000 and are slowly working on the details.
	* Analysis and documentation using AI - https://github.com/HackerCorpLabs/NDInsight/tree/main/SINTRAN/ND500		* Analysis and documentation using AI - https://github.com/HackerCorpLabs/NDInsight/tree/main/SINTRAN/ND500

	~~===ND-100 Running in the browser===~~
	** Working on making the emulator(s) working in the browser by compiling C# to WebAssembly
	** CPU is running nicely, working on giving access to IO devices
	** You can test by going to [https://retrocore.hackercorp.no/ https://retrocore.hackercorp.no/] and selecting machine=ND100 then powering on the Emulator.
	** Feedback, comments, and help is much appreciated
	*** I am able to mount HDD for code running in the browser, but booting and running SINTRAN is painfully slow. So maybe not so good idea to do that..

	== ND-500 Emulator ==		== ND-500 Emulator ==

← Older revision		Revision as of 18:46, 12 November 2025
Line 40:		Line 40:
	[[File:Paging-test.png\|200px\|thumb\|right\|Results from PAGING:TEST]]		[[File:Paging-test.png\|200px\|thumb\|right\|Results from PAGING:TEST]]

	== Core CPU and Instruction Set details I am working on ==		==== Core CPU and Instruction Set details I am working on ====

	* Validate CE (Commercial Extended) opcodes. They are confirmed working using "INSTRUCTION" test program, but it doesn't test all variants.		* Validate CE (Commercial Extended) opcodes. They are confirmed working using "INSTRUCTION" test program, but it doesn't test all variants.
Line 50:		Line 50:
	*** CX (Segment) opcodes are included in this group.		*** CX (Segment) opcodes are included in this group.

	=== What's working in the ND-100 emulator ===		==== What's working in the ND-100 emulator ====
	* SINTRAN H boots and runs (with a minor hardcode in the emulator to fix ABSTR bug (?))		* SINTRAN H boots and runs (with a minor hardcode in the emulator to fix ABSTR bug (?))
	* SINTRAN K,L and M boots and runs. XMSG starts in L and M		* SINTRAN K,L and M boots and runs. XMSG starts in L and M
Line 69:		Line 69:
	[[File:Conf.png\|200px\|thumb\|right\|CONFIGURATION test tool]]		[[File:Conf.png\|200px\|thumb\|right\|CONFIGURATION test tool]]

	=== What's NOT working in the ND-100 emulator ===		==== What's NOT working in the ND-100 emulator ====
	* Bug found!!!! '''SINTRAN K,L and M triggers a "Memory protection" after a "Page-not-in-memory". This happens to just one specific page, so at the moment "Memory protection" is disabled while I am trying to identify the reason.'''		* Bug found!!!! '''SINTRAN K,L and M triggers a "Memory protection" after a "Page-not-in-memory". This happens to just one specific page, so at the moment "Memory protection" is disabled while I am trying to identify the reason.'''
	** Found the bug after 18 months debugging, and many hundred-thousands of log-lines read... It was related to reading Indirect Data in memory with READ_FETCH properties, and the indirect data was on a page that was "NOT IN MEMORY" (ie it had to be paged in to be able to be read).		** Found the bug after 18 months debugging, and many hundred-thousands of log-lines read... It was related to reading Indirect Data in memory with READ_FETCH properties, and the indirect data was on a page that was "NOT IN MEMORY" (ie it had to be paged in to be able to be read).
Line 78:		Line 78:
	* Copying file from papertape driver to SINTRAN H disk with "COPY 'FILE:BPUN' PT1' fails after 129 bytes. It just stops, and I have to cancel the copy with ESC key.		* Copying file from papertape driver to SINTRAN H disk with "COPY 'FILE:BPUN' PT1' fails after 129 bytes. It just stops, and I have to cancel the copy with ESC key.

	=== ND-100 Running in the browser===		==== ND-100 Running in the browser ====
	** Working on making the emulator(s) working in the browser by compiling '''C# to WebAssembly'''		** Working on making the emulator(s) working in the browser by compiling '''C# to WebAssembly'''
	** CPU is running nicely, working on giving access to IO devices		** CPU is running nicely, working on giving access to IO devices
Line 89:		Line 89:
	</pre>		</pre>

	===I am looking for the following===		=== I am looking for the following ===
	* COSMOS software: Ethernet drivers, TCP drivers, TELNET, FTP, NFS, X.21, X.25		* COSMOS software: Ethernet drivers, TCP drivers, TELNET, FTP, NFS, X.21, X.25
	* SINTRAN N (the newest version of SINTRAN) and patch files for Y2K.		* SINTRAN N (the newest version of SINTRAN) and patch files for Y2K.