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Converted GX4000 .cpr - The topic (repository link in first post)

Started by remax, 22:14, 04 May 15

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RockRiver

About lightgun games...and "new" LCD screens

(*Wiituka develop is stop nowadays and it lightgun emulation support only has Gunstick. But maybe we could patch games from others lightguns to Gunstick[wiimote] control. )

*The other way... using CPC/GX4000, old school lightgun and LCD like in this NES project. ( CPC would need patch games code too )
http://neslcdmod.com/


What do you think about?

RockRiver

And lightgun on CRT side...


To patch Magnum games (Operation Wolf...) to Trojan GX4000 lightgun would be difficult ??

dragon

I'm not sure. There is not much info how it  works. I take a look one time but I don't understand it to much :p.

iXien

Quote from: dragon on 16:01, 30 January 21
I'm not sure. There is not much info how it  works. I take a look one time but I don't understand it to much :p.
Honestly, I think that the first step would be to search for the gun compatible games and patch the ones that have not been patched yet (games for Lightphaser, westphaser, trojan and Gunstick) to work properly using a modified gun connected in the RJ connector. Once we had a nice list of games to make us want to modify guns to work on GX-4000, we could get a feel for player motivation. If so, we could then look into the idea of offering an alternative to use them on flat screens. IMO of course  :D
http://homebrew.amstradtoday.com, the only website dedicated to CPC homebrew games.

GUNHED

So, what would you suggest as new standard for Lightguns?
http://futureos.de --> Get the revolutionary FutureOS (Update: 2023.11.30)
http://futureos.cpc-live.com/files/LambdaSpeak_RSX_by_TFM.zip --> Get the RSX-ROM for LambdaSpeak :-) (Updated: 2021.12.26)

iXien

Quote from: GUNHED on 17:53, 01 February 21
So, what would you suggest as new standard for Lightguns?
We can't really talk about a new standard, just patch games to work on GX-4000 connected on RJ connector and using an already existing standard used on GX-4000 like trojan pinout for ie (skeetshoot and Enforcer).

Now you're right I can't talk about the difficulties to do so. But I'm sure that Magnum Lightphaser games can be patched (Operation Wolf, Rookie, Robot Attack, Bull's Eye, Solar Invasion, Missile Ground Zero). After that, maybe games for other guns connected on joystick port can be patched like Westphaser (Westphaser from Loriciels aka Steve Mc Queen Westphaser) and Gunstick (Bestial Warrior, Solo, Mike Gunner, Space Smuggler, Target+, Tripper, Guillaume Tell).

It's an idea of course, nothing more ;)

http://homebrew.amstradtoday.com, the only website dedicated to CPC homebrew games.


GUNHED

Quote from: iXien on 18:40, 01 February 21
We can't really talk about a new standard, just patch games to work on GX-4000 connected on RJ connector and using an already existing standard used on GX-4000 like trojan pinout for ie (skeetshoot and Enforcer).

Now you're right I can't talk about the difficulties to do so. But I'm sure that Magnum Lightphaser games can be patched (Operation Wolf, Rookie, Robot Attack, Bull's Eye, Solar Invasion, Missile Ground Zero). After that, maybe games for other guns connected on joystick port can be patched like Westphaser (Westphaser from Loriciels aka Steve Mc Queen Westphaser) and Gunstick (Bestial Warrior, Solo, Mike Gunner, Space Smuggler, Target+, Tripper, Guillaume Tell).

It's an idea of course, nothing more ;)


You got two good points here:
- It should work with the GX/Plus LightGun connector
- It would be desirable to be able to use a majority of games without patching.


In the perfect case there is some lightgun out there and we can work out a cheap (less than 20 bucks) adapter.
http://futureos.de --> Get the revolutionary FutureOS (Update: 2023.11.30)
http://futureos.cpc-live.com/files/LambdaSpeak_RSX_by_TFM.zip --> Get the RSX-ROM for LambdaSpeak :-) (Updated: 2021.12.26)

iXien

http://homebrew.amstradtoday.com, the only website dedicated to CPC homebrew games.

iXien

Quote from: GUNHED on 19:06, 01 February 21

You got two good points here:
- It should work with the GX/Plus LightGun connector
- It would be desirable to be able to use a majority of games without patching.

In the perfect case there is some lightgun out there and we can work out a cheap (less than 20 bucks) adapter.
Yep I think it's not really difficult to modify pinout or create adapter for cheap Master System Light Phaser or Magnum Light phaser and connect them to RJ connector like the Trojan gun. I also saw schematics to modify an old Atari XE Light Gun X-1.

The problem is more the need to patch the games. Because I suppose that a lot of games would need to be patched. Maybe the Magnum Lightphaser games would be easy to patch as it already uses the Trojan standard.

@dragon could certainly tell us more because he has already dissected all these old guns in another topic  ;D
http://homebrew.amstradtoday.com, the only website dedicated to CPC homebrew games.

RockRiver

Quote from: iXien on 20:08, 01 February 21
Maybe the Magnum Lightphaser games would be easy to patch as it already uses the Trojan standard.


This is the way  8)  same hardware, diferent trigger IN/OUT

iXien

Quote from: RockRiver on 00:50, 02 February 21
This is the way  8)  same hardware, diferent trigger IN/OUT
Those guns are so simple. When I think about the price the Magnum Light Phaser was sold, it sounds like a joke  :D
http://homebrew.amstradtoday.com, the only website dedicated to CPC homebrew games.

dthrone

 Where I'm up to with the gun hardware -

dthrone

I wrote the attached little .cpr in 2017 for testing homebrew GX light guns.  Feel free to use for testing if it's helpful to anyone.


It cycles through increasing intensity of white (000-fff) and displays the current CRTC R16/R17 output.  This is just to see at which light intensity the gun starts to produce a signal.  The output itself is meaningless so you can use it with an LCD TV etc.


It tests the trigger by flashing up a 'T' if you press fire 2.




dragon

I think remember only java cpc? Support the light gun?.


Have you try the program there?.


The big problem anyway are undestand the game subroutines. Nothing to do with the theory.

dthrone

Quote from: dragon on 12:19, 02 February 21
I think remember only java cpc? Support the light gun?.


Have you try the program there?.


The big problem anyway are undestand the game subroutines. Nothing to do with the theory.




It's not for testing the theory.  It's for testing the light gun hardware to check the light sensitivity.


I know the program works because it works with my own homemade light gun, it's only a loop reading the CRTC registers, what can go wrong  ;)

Phantomz

I'm not really doing cpr's at the moment, however here is another as I wanted to play it.  ;D


California Games


You can use both Joypads on the Menu.


Enter names by, press console pause button for P, Joypad 2 UP = 1, LEFT =2, RIGHT = 3, DOWN = 4.
Therefore can enter names as P1, P2, P3, P4.
Use Joypad 2 Button 1 to confirm, Button 2 is delete if make a mistake.
Press Joypad 2 Button 1 when you have enough player/s (on name entry).
Joypad UP and DOWN to change " Is this correct? ", Button 1 to confirm.


Controls are remapped to controllers by default, so no need to " Define Controls ".
Only option 7 load will work on the GX4000 obviously.








Davor Vitief

Quote from: Phantomz on 18:33, 02 February 21
I'm not really doing cpr's at the moment, however here is another as I wanted to play it.  ;D


California Games


You can use both Joypads on the Menu.


Enter names by, press console pause button for P, Joypad 2 UP = 1, LEFT =2, RIGHT = 3, DOWN = 4.
Therefore can enter names as P1, P2, P3, P4.
Use Joypad 2 Button 1 to confirm, Button 2 is delete if make a mistake.
Press Joypad 2 Button 1 when you have enough player/s (on name entry).
Joypad UP and DOWN to change " Is this correct? ", Button 1 to confirm.


Controls are remapped to controllers by default, so no need to " Define Controls ".
Only option 7 load will work on the GX4000 obviously.
One of my childhood games, thank you! back in the day i could spend hours surfing and juggling  :D

iXien

Quote from: Phantomz on 18:33, 02 February 21
I'm not really doing cpr's at the moment, however here is another as I wanted to play it.  ;D


California Games


You can use both Joypads on the Menu.


Enter names by, press console pause button for P, Joypad 2 UP = 1, LEFT =2, RIGHT = 3, DOWN = 4.
Therefore can enter names as P1, P2, P3, P4.
Use Joypad 2 Button 1 to confirm, Button 2 is delete if make a mistake.
Press Joypad 2 Button 1 when you have enough player/s (on name entry).
Joypad UP and DOWN to change " Is this correct? ", Button 1 to confirm.


Controls are remapped to controllers by default, so no need to " Define Controls ".
Only option 7 load will work on the GX4000 obviously.


I've had totally forgotten this one, pure classic! Well done!
http://homebrew.amstradtoday.com, the only website dedicated to CPC homebrew games.

iXien

@Phantomz  If you think about patching other multi-sport games, it would be great  :P
http://homebrew.amstradtoday.com, the only website dedicated to CPC homebrew games.

Phantomz

Quote from: iXien on 14:29, 04 February 21
@Phantomz  If you think about patching other multi-sport games, it would be great  :P


Might look into them in the future, can't seem to download from cpc-power at the moment for some reason.  ???

GUNHED

Most of these multi sports games are converted very shitty on the CPC. The only good one - actually really good one - is... yes, it's Wintergames.
http://futureos.de --> Get the revolutionary FutureOS (Update: 2023.11.30)
http://futureos.cpc-live.com/files/LambdaSpeak_RSX_by_TFM.zip --> Get the RSX-ROM for LambdaSpeak :-) (Updated: 2021.12.26)

iXien

Quote from: GUNHED on 16:31, 04 February 21
Most of these multi sports games are converted very shitty on the CPC. The only good one - actually really good one - is... yes, it's Wintergames.
The main problem is to have all the files on a CPR as Winter Games is a two sided games while California Games have been compressed on one side without needing 128Kb in some cracked version. Personally, I like World Games very much. But same problem.
I'm afraid about the gameplay too. Some disciplines need to shake the joystick... it's more difficult to shake a joypad  :P
http://homebrew.amstradtoday.com, the only website dedicated to CPC homebrew games.

GUNHED

Quote from: iXien on 21:31, 04 February 21
The main problem is to have all the files on a CPR as Winter Games is a two sided games while California Games have been compressed on one side without needing 128Kb in some cracked version. Personally, I like World Games very much. But same problem.
I'm afraid about the gameplay too. Some disciplines need to shake the joystick... it's more difficult to shake a joypad  :P
True this, but the GX / Plus can use joysticks too.  :)  About the mulit-loading - let's hope to find a solution for this one day too.  :)
http://futureos.de --> Get the revolutionary FutureOS (Update: 2023.11.30)
http://futureos.cpc-live.com/files/LambdaSpeak_RSX_by_TFM.zip --> Get the RSX-ROM for LambdaSpeak :-) (Updated: 2021.12.26)

Shaun M. Neary

#3024
Quote from: GUNHED on 02:11, 05 February 21
True this, but the GX / Plus can use joysticks too.  :)  About the mulit-loading - let's hope to find a solution for this one day too.  :)

Not sure how convenient this is, but the cassette version of Winter Games was split into 4 parts which could easily be split across 4 CPR's
I could probably convert it over using the Bonzo utilities to dsk images.

It wouldn't be elegant, but it's better than not having it at all?


Edit: CPC-Power has a one sided dsk crack of Winter Games, it's the first one listed here: https://www.cpc-power.com/index.php?page=detail&onglet=dumps&num=1743
Currently playing on: 2xCPC464, 1xCPC6128, 1x464Plus, 1x6128Plus, 2xGX4000. M4 board, ZMem 1MB and still forever playing Bruce Lee.
No cheats, snapshots or emulation. I play my games as they're intended to be played. What about you?

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