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Hi All

I need a SC-3000 Basic Level ROM cartridge, I see I can download the ROM file but I don't know if it's as simple as re-programming a game cartridge. I have no idea if a games cartridge has the required RAM and maybe other chips that are required for the BASIC ROM.

I have a YENO SC-3000H, which I haven't even plugged in and tried yet.

Any help would be appreciated.

BASIC cartridges all have RAM and apart from The Castle the only SG-1000/SC-3000 cartridges to embed RAM (and hopefully you don't want to kill a beautiful The Castle!)

Since your statement appears to be "I need a SC-3000 Basic" why not buying one? It will definitively be faster and cheaper to buy a Basic (they aren't particularly expensive) than make one. If you are trying to learn the skills or interesting in the electronic hackery it's a whole different story and interesting thing to pursue.. Some people here will be able to help.

(PS: I will move this topic to the Development forum shortly, don't worry if you don't see it in the Main forum any more!)

Bock wrote

BASIC cartridges all have RAM and apart from The Castle the only SG-1000/SC-3000 cartridges to embed RAM (and hopefully you don't want to kill a beautiful The Castle!)

Since your statement appears to be "I need a SC-3000 Basic" why not buying one? It will definitively be faster and cheaper to buy a Basic (they aren't particularly expensive) than make one. If you are trying to learn the skills or interesting in the electronic hackery it's a whole different story and interesting thing to pursue.. Some people here will be able to help.

(PS: I will move this topic to the Development forum shortly, don't worry if you don't see it in the Main forum any more!)

Thanks for the reply. I assumed that a BASIC cartridge would be hard to find and expensive, do you know what you would normally pay for one?

I don't know what's a normal price, I bought most of mine a long time ago and many directly from Japan or Australia/New Zealand.

Now.. I've checked ebay and in my optimism I had forgot about ebay sellers driving price up with buy it now. The buy it now are all quite expensive unfortunately. :(

https://www.ebay.com/itm/Vintage-Sega-SC-3000-BASIC-Level-IIIA-cartridge-box/273...
https://www.ebay.com/itm/SEGA-SC-3000-BASIC-Level-IIIB-3B-Cart-Only-Japan-Import...

I think it's too expensive but still probably cheaper than figuring out how to make one unless you are already experienced with electronics.

If you wait some more decently priced auctions will probably appear.

If you are serious about using BASIC prefer a Level III A or B which have 16 KB / 32 KB of RAM. (12k/26k left for user). Level II A is barely usable almost useless

I built a couple from scratch a while ago.. ill have a look later on tonight and see if i have a spare board still.

There’s $20 one listed today

https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2...

Found one of the ones i built. I can build another for you if you get stuck. Youd just need an old game to steel the cart casing from.

20180130_222020.jpg (83.63 KB)

20180130_222037.jpg (79.43 KB)

Bock wrote

There’s $20 one listed today

$20 + $20 shipping :(

wasup wrote

Found one of the ones i built. I can build another for you if you get stuck. Youd just need an old game to steel the cart casing from.

That would be good, I think I'll buy a cheap game first, just to make sure the machine works.

Bock wrote

BASIC cartridges all have RAM and apart from The Castle the only SG-1000/SC-3000 cartridges to embed RAM (and hopefully you don't want to kill a beautiful The Castle!)

Is "The castle" really the only game that had ram built into the cartridge?

Actually Othello also has RAM but only 2 KB.
The Castle has 8 KB of RAM.

Hi guys,

What was the.outcome here. I need a new rom as well, and everything on Ebay is ridiculously priced! Wasup, are you still able to build these? Happy to buy one from you if you are

Should be able to dig out a board. It wont have a case tho.. you got something you can pinch that from?

Yep! Got an old copy of Flipper somewhere I think! Thanks. Let me know the details, cheers, Artie

Author	Message
RetroByte Joined: 29 Jan 2018 Posts: 23 Location: UK	I need a SC-3000 BASIC Level ROM, can I make one? Posted: Mon Jan 29, 2018 10:37 am
RetroByte Joined: 29 Jan 2018 Posts: 23 Location: UK	Hi All I need a SC-3000 Basic Level ROM cartridge, I see I can download the ROM file but I don't know if it's as simple as re-programming a game cartridge. I have no idea if a games cartridge has the required RAM and maybe other chips that are required for the BASIC ROM. I have a YENO SC-3000H, which I haven't even plugged in and tried yet. Any help would be appreciated.

Bock Site Admin Joined: 08 Jul 2001 Posts: 8648 Location: Paris, France	Posted: Mon Jan 29, 2018 10:43 am
	BASIC cartridges all have RAM and apart from The Castle the only SG-1000/SC-3000 cartridges to embed RAM (and hopefully you don't want to kill a beautiful The Castle!) Since your statement appears to be "I need a SC-3000 Basic" why not buying one? It will definitively be faster and cheaper to buy a Basic (they aren't particularly expensive) than make one. If you are trying to learn the skills or interesting in the electronic hackery it's a whole different story and interesting thing to pursue.. Some people here will be able to help. (PS: I will move this topic to the Development forum shortly, don't worry if you don't see it in the Main forum any more!)

RetroByte Joined: 29 Jan 2018 Posts: 23 Location: UK	Posted: Mon Jan 29, 2018 10:59 am
RetroByte Joined: 29 Jan 2018 Posts: 23 Location: UK	Bock wrote BASIC cartridges all have RAM and apart from The Castle the only SG-1000/SC-3000 cartridges to embed RAM (and hopefully you don't want to kill a beautiful The Castle!) Since your statement appears to be "I need a SC-3000 Basic" why not buying one? It will definitively be faster and cheaper to buy a Basic (they aren't particularly expensive) than make one. If you are trying to learn the skills or interesting in the electronic hackery it's a whole different story and interesting thing to pursue.. Some people here will be able to help. (PS: I will move this topic to the Development forum shortly, don't worry if you don't see it in the Main forum any more!) Thanks for the reply. I assumed that a BASIC cartridge would be hard to find and expensive, do you know what you would normally pay for one?

Bock Site Admin Joined: 08 Jul 2001 Posts: 8648 Location: Paris, France	Posted: Mon Jan 29, 2018 11:52 am
	I don't know what's a normal price, I bought most of mine a long time ago and many directly from Japan or Australia/New Zealand. Now.. I've checked ebay and in my optimism I had forgot about ebay sellers driving price up with buy it now. The buy it now are all quite expensive unfortunately. :( https://www.ebay.com/itm/Vintage-Sega-SC-3000-BASIC-Level-IIIA-cartridge-box/273... https://www.ebay.com/itm/SEGA-SC-3000-BASIC-Level-IIIB-3B-Cart-Only-Japan-Import... I think it's too expensive but still probably cheaper than figuring out how to make one unless you are already experienced with electronics. If you wait some more decently priced auctions will probably appear. If you are serious about using BASIC prefer a Level III A or B which have 16 KB / 32 KB of RAM. (12k/26k left for user). Level II A is barely usable almost useless

wasup Joined: 05 Nov 2014 Posts: 435 Location: Auckland - NZ	Posted: Tue Jan 30, 2018 6:05 am
	I built a couple from scratch a while ago.. ill have a look later on tonight and see if i have a spare board still.

Bock Site Admin Joined: 08 Jul 2001 Posts: 8648 Location: Paris, France	Posted: Tue Jan 30, 2018 8:32 am
	There’s $20 one listed today https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2...

wasup Joined: 05 Nov 2014 Posts: 435 Location: Auckland - NZ	Posted: Tue Jan 30, 2018 9:35 am
	Found one of the ones i built. I can build another for you if you get stuck. Youd just need an old game to steel the cart casing from. 20180130_222020.jpg (83.63 KB) 20180130_222037.jpg (79.43 KB)

RetroByte Joined: 29 Jan 2018 Posts: 23 Location: UK	Posted: Tue Jan 30, 2018 9:44 am
RetroByte Joined: 29 Jan 2018 Posts: 23 Location: UK	Bock wrote There’s $20 one listed today $20 + $20 shipping :( wasup wrote Found one of the ones i built. I can build another for you if you get stuck. Youd just need an old game to steel the cart casing from. That would be good, I think I'll buy a cheap game first, just to make sure the machine works.

wasup Joined: 05 Nov 2014 Posts: 435 Location: Auckland - NZ	Posted: Tue Jan 30, 2018 10:29 am
	Bock wrote BASIC cartridges all have RAM and apart from The Castle the only SG-1000/SC-3000 cartridges to embed RAM (and hopefully you don't want to kill a beautiful The Castle!) Is "The castle" really the only game that had ram built into the cartridge?

Bock Site Admin Joined: 08 Jul 2001 Posts: 8648 Location: Paris, France	Posted: Tue Jan 30, 2018 10:34 am
	Actually Othello also has RAM but only 2 KB. The Castle has 8 KB of RAM.

Artiek Joined: 04 Jul 2019 Posts: 2	Basic Level III rom Posted: Thu Jul 04, 2019 5:53 am
Artiek Joined: 04 Jul 2019 Posts: 2	Hi guys, What was the.outcome here. I need a new rom as well, and everything on Ebay is ridiculously priced! Wasup, are you still able to build these? Happy to buy one from you if you are

wasup Joined: 05 Nov 2014 Posts: 435 Location: Auckland - NZ	Posted: Thu Jul 04, 2019 6:42 am
	Should be able to dig out a board. It wont have a case tho.. you got something you can pinch that from?

Artiek Joined: 04 Jul 2019 Posts: 2	Posted: Fri Jul 05, 2019 10:06 am
Artiek Joined: 04 Jul 2019 Posts: 2	Yep! Got an old copy of Flipper somewhere I think! Thanks. Let me know the details, cheers, Artie

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