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View topic - SG-1000 to/from ColecoVision ports

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Post Posted: Fri Oct 29, 2021 4:54 am
Still doing more CV2SG conversions. Right here is another one of my Pac-Man WIPs. You still have to struggle with the thing by using the pause / start button.
Pac-Man (COL2SG).zip (16.43 KB)

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Post Posted: Wed Nov 03, 2021 6:20 pm
Here's a neat demo. Death Race. It's hard to get the people in this game, but try to at least get them.
Death Race.zip (7.86 KB)

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Post Posted: Wed Nov 03, 2021 9:53 pm
Here's another neat game from the man who created Space Invasion. Killer Instinct. One version has the messed up control, the other one is fixed.
Killer Instinct.zip (18.63 KB)

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Post Posted: Thu Nov 04, 2021 12:25 am
Here's a Snake game from Bruce Tomlin, Hustle.

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Post Posted: Thu Nov 04, 2021 11:39 pm
Here's Bruce Tomlin's RPG demo.

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Post Posted: Fri Nov 05, 2021 12:25 am
Here's a scrolling demo from an unknown author.

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Post Posted: Fri Nov 05, 2021 3:16 am
Here's a scrolling demo from Daniel Bienvenu.

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Post Posted: Fri Nov 05, 2021 11:03 pm
Here's Facemaker.

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Post Posted: Sat Nov 06, 2021 2:27 am
I managed to get Mr. Do working somewhat successfully. If you want to see for yourself, then here.
Mr. Do! (CV2SG).zip (19.04 KB)

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Post Posted: Sat Nov 06, 2021 3:59 pm
Here's Antarctic Adventure. The graphics seem to be garbage, and the music is out of sync, but still works fine.

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Post Posted: Sun Nov 07, 2021 12:07 am
Here are two games from Daniel Bienvenu that are similar to Killer Instinct.

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BurgerTime for SC-3000/SG-1000
Post Posted: Mon Jan 03, 2022 8:39 am
BurgerTime for SC-3000/SG-1000 converted from CV.

You can change the extension to .SG if you prefer.

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Post Posted: Mon Jan 03, 2022 1:28 pm
siriokds wrote
BurgerTime for SC-3000/SG-1000 converted from CV.

You can change the extension to .SG if you prefer.

Is this from that ColecoVision emulator for the SG-1000 / SC-3000 / SF-7000? I have to try this out.
Edit: Oh. It's just a regular conversion. Was expecting the one from the other topic.
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Post Posted: Mon Jan 03, 2022 3:03 pm
Stokes wrote
siriokds wrote
BurgerTime for SC-3000/SG-1000 converted from CV.

You can change the extension to .SG if you prefer.

Is this from that ColecoVision emulator for the SG-1000 / SC-3000 / SF-7000? I have to try this out.
Edit: Oh. It's just a regular conversion. Was expecting the one from the other topic.


Nope, I didn't used my 8KB patched BIOS used in SF-7000. Do you need it ?

I used the bios provided me by Revo. I added the correct initialization for SC-3000 and disassembled the rom + made all required changes.
I will try to remap it to another memory space to let it fit into 32KB rom size.
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Post Posted: Mon Jan 03, 2022 3:41 pm
siriokds wrote
Stokes wrote
siriokds wrote
BurgerTime for SC-3000/SG-1000 converted from CV.

You can change the extension to .SG if you prefer.

Is this from that ColecoVision emulator for the SG-1000 / SC-3000 / SF-7000? I have to try this out.
Edit: Oh. It's just a regular conversion. Was expecting the one from the other topic.


Nope, I didn't used my 8KB patched BIOS used in SF-7000. Do you need it ?

I used the bios provided me by Revo. I added the correct initialization for SC-3000 and disassembled the rom + made all required changes.
I will try to remap it to another memory space to let it fit into 32KB rom size.

I mean, sure.
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Mountain King and Keysone Capers
Post Posted: Sun Feb 20, 2022 7:56 pm
Please call covert these from coleco to sg
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Post Posted: Mon Feb 21, 2022 3:31 pm
csatech31 wrote
Please call covert these from coleco to sg


Hi,
try this and tell me if it works.

S.

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Post Posted: Mon Feb 21, 2022 5:37 pm
siriokds wrote
csatech31 wrote
Please call covert these from coleco to sg


Hi,
try this and tell me if it works.

S.

Apparently, it does work. I also might do Keystone Kapers too.
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Post Posted: Sat Mar 05, 2022 6:52 am
game works....thanks
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Post Posted: Sat Mar 05, 2022 7:38 am
csatech31 wrote
game works....thanks


No problem 👍
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Astrododge
Post Posted: Thu Mar 24, 2022 3:59 am
can you convert astrododge to SG1000 from colecovision
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Post Posted: Thu Mar 24, 2022 9:44 am
csatech31 wrote
can you convert astrododge to SG1000 from colecovision

Well, there is an SG-1000 port of this already.
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Astrododge
Post Posted: Thu Mar 24, 2022 6:21 pm
Yea, I know. I dont have it. I do have the coleco version though
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Post Posted: Wed Mar 30, 2022 10:11 pm
csatech31 wrote
Astrododge

Sheesh, this is 32kB, it might be impossible, but I might try it anyway.
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Post Posted: Sat Apr 02, 2022 8:02 am
I would like to rewrite my game from Sg-1000 to ColecoVision and I have a problem with specific information about wram memory. I know there is 1024 bytes of WRAM and it starts at $ 6000-63FF. Does the BIOS use any part of the WRAM? I noticed using Stack Pointer on values such as 73BE (WRAM byte 958) - it is often quite early in memory and I wonder why not at the end of WRAM e.g. $ 73FE? Is anything between the beginning of the "bottom" of the Stack and the end of WRAM used by the BIOS? Address $ 7xxx I guess WRAM MIRROR used?

Overall, what range of ColecoVision WRAM is safe to use?

Any helpful information needed because I don't know the Coleco architecture completely.
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Post Posted: Sun Apr 03, 2022 10:33 pm
Feel free to go over to the Atari Age Colecovision forum where the Coleco community is active:

https://atariage.com/forums/forum/115-colecovision-adam/

I've attached the document I've used as a reference for my ColecoVision ports.

To answer your question, the ColecoVision has 1K from $7000 to $7400, which is mirrored from $6000. I believe most games use $7000, but that's just convention.

I use the entire memory range from $7000 to $7400 for my games, since I don't use the BIOS at all.

The BIOS uses 42 bytes at the start and 71 bytes at the end. I completely ignore the BIOS, since I have my own all my own routines from my SG-1000 libraries, and I just use them (at different ports). You can specify your own NMI at the start of the cartridge, so the BIOS isn't needed, past bootup

You only have 32K of ROM for ColecoVision games, any more and you'll need the MegaCart.

Another difference from the SG-1000 is the Coleco use the NMI (at address $66) for it's vdu interrupt, so it can't be disabled. I use a flag in the interrupt instead to disable reading the vdu status when I need to set the vdu address.
col.txt (14.99 KB)

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Post Posted: Sun Apr 17, 2022 1:48 pm
Saw this elsewhere - An unlicensed 1991 Korean Dr. Mario knockoff called "Dr. Hello," originally for MSX and ported to the Sega Master System in SG-1000 mode.


Could presumably be ported to Colecovision.
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Post Posted: Fri Apr 29, 2022 10:36 pm
Could Super Boy be ported to Colecovision?
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Post Posted: Fri Apr 29, 2022 10:37 pm
tygerbug wrote
Saw this elsewhere - An unlicensed 1991 Korean Dr. Mario knockoff called "Dr. Hello," originally for MSX and ported to the Sega Master System in SG-1000 mode.


Could presumably be ported to Colecovision.


Interesting. I'll have to try the game sometime.
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Burgertime CV 2 SMS
Post Posted: Mon Jul 25, 2022 11:31 pm
I test this Burgertime from Colecovision in Emulicious emulator and rename .sc to .sg but don´t work.
Whtat i do wrong?

Thanks for all!

Burgertime and Bump n Jump Colecovision is good idea conversion to SG1000 and SMS port. Gratitude!
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Post Posted: Thu Aug 04, 2022 7:41 pm
Blank wrote
I test this Burgertime from Colecovision in Emulicious emulator and rename .sc to .sg but don´t work.
Whtat i do wrong?

Thanks for all!

Burgertime and Bump n Jump Colecovision is good idea conversion to SG1000 and SMS port. Gratitude!


I´m test in my Everdrive Made in China for Master System, and Burgertime it´s work perfectly!!!!

But, Time Pilot (Colecovision 2 Sg) when I press lower diagonal + button 1 it goes into pause mode playing music and black screen, having to press a few times again lower diagonal + button 1 on the joystick to go back. Similar to the intellivision pause mode, which is done by pressing the intellivision joystick buttons 1 and 9, or 3 and 7 simultaneously.
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Post Posted: Thu Aug 04, 2022 7:43 pm
siriokds wrote
BurgerTime for SC-3000/SG-1000 converted from CV.

You can change the extension to .SG if you prefer.


Ok perfectly on Everdrive Master System, gratitude!!!!

Bump n Jump, Jungle Hunt, and Moon Patrol it´s possible convert to SMS?
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Post Posted: Thu Jul 20, 2023 2:04 pm
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Post Posted: Mon Jul 24, 2023 12:51 pm
Last edited by Stokes on Fri Jul 28, 2023 5:30 am; edited 1 time in total
I converted Fraction Fever and it plays without any problems. The only thing is that I need to fix is the sound since it doesn't play.

Edit: FIXED!

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SMS Donkey Kong COL2SG - SiRioKD Bios - Patched Palette
Post Posted: Tue Jul 25, 2023 7:27 am
Here's a Donkey Kong converted from CV with my custom BIOS. Patched Palette for SMS.

Thanks to Révo.

Tested on: Emulicious, Master Everdrive

Enjoy.
DK_Title.png (2.72 KB)
DK_Title.png
DK_Game.png (3.06 KB)
DK_Game.png

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Post Posted: Tue Jul 25, 2023 3:33 pm
siriokds wrote
Here's a Donkey Kong converted from CV with my custom BIOS. Patched Palette for SMS.

Thanks to Révo.

Tested on: Emulicious, Master Everdrive

Enjoy.


Bro! This is next level Donkey Kong! Nice job you two. I always imagined having an opening screen instead of the Coleco BIOS.
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Post Posted: Tue Jul 25, 2023 3:52 pm
How incredible donkey kong works on master system, hopefully they can adapt these wonders to gamegear.
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Post Posted: Tue Jul 25, 2023 3:57 pm
Nekketsu wrote
How incredible donkey kong works on master system, hopefully they can adapt these wonders to gamegear.


Easy peasy, the GG has a SMS compatibility mode.

Or would you be referring to something else beyond that?
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Post Posted: Wed Jul 26, 2023 12:03 pm
Stokes wrote
siriokds wrote
Here's a Donkey Kong converted from CV with my custom BIOS. Patched Palette for SMS.

Thanks to Révo.

Tested on: Emulicious, Master Everdrive

Enjoy.


Bro! This is next level Donkey Kong! Nice job you two. I always imagined having an opening screen instead of the Coleco BIOS.


Mate! Thanks!
I rewrote the entire bios in order to avoid that way to choose the difficult level.
Now the game seems like a native one.
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Post Posted: Wed Jul 26, 2023 1:41 pm
haroldoop wrote
Nekketsu wrote
How incredible donkey kong works on master system, hopefully they can adapt these wonders to gamegear.


Easy peasy, the GG has a SMS compatibility mode.

Or would you be referring to something else beyond that?


Really? It stretch the screen "for free"?
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Post Posted: Wed Jul 26, 2023 1:58 pm
siriokds wrote
haroldoop wrote
Nekketsu wrote
How incredible donkey kong works on master system, hopefully they can adapt these wonders to gamegear.


Easy peasy, the GG has a SMS compatibility mode.

Or would you be referring to something else beyond that?


Really? It stretch the screen "for free"?


Yes, that's how the MasterGear converter works, and there were even some commercial GG games that use that mode directly, like Castle of Illusion and Dizzy, for example.
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Post Posted: Wed Jul 26, 2023 2:53 pm
haroldoop wrote
siriokds wrote
haroldoop wrote
Nekketsu wrote
How incredible donkey kong works on master system, hopefully they can adapt these wonders to gamegear.


Easy peasy, the GG has a SMS compatibility mode.

Or would you be referring to something else beyond that?


Really? It stretch the screen "for free"?


Yes, that's how the MasterGear converter works, and there were even some commercial GG games that use that mode directly, like Castle of Illusion and Dizzy, for example.



Is there some VDP config to be set or it works magically?
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Post Posted: Wed Jul 26, 2023 3:20 pm
siriokds wrote
haroldoop wrote
siriokds wrote
haroldoop wrote
Nekketsu wrote
How incredible donkey kong works on master system, hopefully they can adapt these wonders to gamegear.


Easy peasy, the GG has a SMS compatibility mode.

Or would you be referring to something else beyond that?


Really? It stretch the screen "for free"?


Yes, that's how the MasterGear converter works, and there were even some commercial GG games that use that mode directly, like Castle of Illusion and Dizzy, for example.



Is there some VDP config to be set or it works magically?


Not a VDP setting, but a pin on the cartridge.
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Post Posted: Wed Jul 26, 2023 3:32 pm
haroldoop wrote
siriokds wrote
haroldoop wrote
siriokds wrote
haroldoop wrote
Nekketsu wrote
How incredible donkey kong works on master system, hopefully they can adapt these wonders to gamegear.


Easy peasy, the GG has a SMS compatibility mode.

Or would you be referring to something else beyond that?


Really? It stretch the screen "for free"?


Yes, that's how the MasterGear converter works, and there were even some commercial GG games that use that mode directly, like Castle of Illusion and Dizzy, for example.



Is there some VDP config to be set or it works magically?


Not a VDP setting, but a pin on the cartridge.


Ok, thanks.
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Post Posted: Fri Jul 28, 2023 5:03 am
Hi. I did Mouse Trap, and it works well. Only problem is the sprites for the in-game. The characters seem to be all bunched up in the top left of the screen. If anyone would like to volunteer to fix it, go ahead.

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Post Posted: Fri Jul 28, 2023 6:39 am
Stokes wrote
Hi. I did Mouse Trap, and it works well. Only problem is the sprites for the in-game. The characters seem to be all bunched up in the top left of the screen. If anyone would like to volunteer to fix it, go ahead.


Hi mate,
I have this game on Colecovision and it requires some keys of the keypad. How did you handle it?
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Post Posted: Fri Jul 28, 2023 12:45 pm
siriokds wrote
Stokes wrote
Hi. I did Mouse Trap, and it works well. Only problem is the sprites for the in-game. The characters seem to be all bunched up in the top left of the screen. If anyone would like to volunteer to fix it, go ahead.


Hi mate,
I have this game on Colecovision and it requires some keys of the keypad. How did you handle it?


Yeah, the keypad is mapped on the D-pad and it's pretty hard to control sometimes. The character on the other hand seems like he's moving perfectly fine. To be honest, I might have to use your BIOS since it actually requires a keyboard and such.
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Post Posted: Fri Jul 28, 2023 2:16 pm
Here's Strike It. Works perfectly.
strikeit-1.png (1.87 KB)
strikeit-1.png
strikeit-2.png (1.39 KB)
strikeit-2.png
strikeit.png (1.42 KB)
strikeit.png
strikeit-3.png (1.97 KB)
strikeit-3.png
Strike It!.zip (11.58 KB)

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SMS Donkey Kong Jr. COL2SG - SiRioKD Bios - Patched Palette
Post Posted: Fri Jul 28, 2023 3:34 pm
Last edited by siriokds on Fri Jul 28, 2023 3:43 pm; edited 1 time in total
Dropping new release: Donkey Kong Jr. converted from CV with my custom BIOS modified to let this game runs. Patched Palette for SMS. Stack routines handled.
Reverse engineered the graphics encoding routines.

This time was more difficult.

Tested on: Emulicious, Master Everdrive

Enjoy.
DKJr_Title.png (2.73 KB)
DKJr_Title.png
DKJr_Game.png (3.59 KB)
DKJr_Game.png

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Post Posted: Fri Jul 28, 2023 3:36 pm
Stokes wrote
siriokds wrote
Stokes wrote
Hi. I did Mouse Trap, and it works well. Only problem is the sprites for the in-game. The characters seem to be all bunched up in the top left of the screen. If anyone would like to volunteer to fix it, go ahead.


Hi mate,
I have this game on Colecovision and it requires some keys of the keypad. How did you handle it?


Yeah, the keypad is mapped on the D-pad and it's pretty hard to control sometimes. The character on the other hand seems like he's moving perfectly fine. To be honest, I might have to use your BIOS since it actually requires a keyboard and such.


It's not a generic BIOS. I customize it for every game. The reverse engineering process requires effort to inject BIOS menu into the game.
Actually I use it for my SG-1000 releases. Probably I will make an SMS specific version to release on GitHub.
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