Do you think EasyRPG can be ported to Amiga 68k?

xboxown · 11 September 2018, 00:01

Hey guys,

They have EasyRPG ported to AmigaOS 4.x and MorphOS and it allows any games been made by RPG Maker 2000 or RPG Maker 2003 to play it very well. I am wondering if this get ported to Amiga 68k do you think there is enough power to run it smoothly? https://easyrpg.org/player/media/

BSzili · 11 September 2018, 16:39

Maybe it could run on the Vampire if they made an accelerated Pixman for it.

kgc210 · 11 September 2018, 18:29

I am not a programmer, but had a quick look and ideally it needs SDL 2. It has some support for SDL 1.2 left in.

Last time I looked there wasn't any working SDL2 for Classic Amiga, unless I am wrong?

https://github.com/EasyRPG/Player

Couldn't RedPill be used for an RPG game?
Although I guess the idea with EasyRPG is you can play the same game on PC, Linux, Amiga etc etc Like OpenBOR

BSzili · 11 September 2018, 19:10

SDL 1.2 is still perfectly functional in EasyRPG. I used it in my ports, because the SDL2 for MorphOS is still incomplete. You are going to have trouble with Pixman, which is used for all the internal drawing (SDL only acts as a framebuffer).

Samurai_Crow · 11 September 2018, 21:43

Is it this one? https://github.com/servo/pixman

BSzili · 12 September 2018, 08:20

That looks like an ancient repo, this one is the official:
https://cgit.freedesktop.org/pixman/

Samurai_Crow · 12 September 2018, 15:13

After looking at the PixMan source briefly, it looks like it has Intel MMX support. The trick would be getting the inline Assembly to work in GCC since only VAsm seems to have AMMX support.

Locutus · 12 September 2018, 17:45

AMMX has nothing to do with Intel MMX....

xboxown · 13 September 2018, 02:14

Do you guys think AMMX have something to do with Intel MMX?

thellier · 13 September 2018, 09:24

AMMX is supposed to be an enhanced MMX
But AMMX got also new more powerfull instructions so cant be a 1:1 recompilation

IMHO would be better to have the OS4 Composition function (=CompositeTags) ported to OS3+AMMX and then only modify SDL2,Pixman,etc... to use Composition

Samurai_Crow · 13 September 2018, 11:18

AMMX is 3 operand encoding while the original MMX is 2 operand encoding. In that sense it's a cross between MMX and Altivec.

commodorejohn · 13 September 2018, 14:47

Man, now I'm just thinking how I should get back to work on my own RPG engine...

11 September 2018, 00:01	#1
xboxown Registered User Join Date: Dec 2012 Location: Vancouver/Canada Posts: 675	Do you think EasyRPG can be ported to Amiga 68k? Hey guys, They have EasyRPG ported to AmigaOS 4.x and MorphOS and it allows any games been made by RPG Maker 2000 or RPG Maker 2003 to play it very well. I am wondering if this get ported to Amiga 68k do you think there is enough power to run it smoothly? https://easyrpg.org/player/media/

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11 September 2018, 16:39	#2
BSzili old chunk of coal Join Date: Nov 2011 Location: Hungary Posts: 1,289	Maybe it could run on the Vampire if they made an accelerated Pixman for it.

11 September 2018, 18:29	#3
kgc210 Registered User Join Date: Jun 2016 Location: Stoke-On-Trent, England Posts: 450	I am not a programmer, but had a quick look and ideally it needs SDL 2. It has some support for SDL 1.2 left in. Last time I looked there wasn't any working SDL2 for Classic Amiga, unless I am wrong? https://github.com/EasyRPG/Player Couldn't RedPill be used for an RPG game? Although I guess the idea with EasyRPG is you can play the same game on PC, Linux, Amiga etc etc Like OpenBOR

11 September 2018, 19:10	#4
BSzili old chunk of coal Join Date: Nov 2011 Location: Hungary Posts: 1,289	SDL 1.2 is still perfectly functional in EasyRPG. I used it in my ports, because the SDL2 for MorphOS is still incomplete. You are going to have trouble with Pixman, which is used for all the internal drawing (SDL only acts as a framebuffer).

11 September 2018, 21:43	#5
Samurai_Crow Total Chaos forever! Join Date: Aug 2007 Location: Waterville, MN, USA Age: 49 Posts: 2,186	Is it this one? https://github.com/servo/pixman

12 September 2018, 08:20	#6
BSzili old chunk of coal Join Date: Nov 2011 Location: Hungary Posts: 1,289	That looks like an ancient repo, this one is the official: https://cgit.freedesktop.org/pixman/

12 September 2018, 15:13	#7
Samurai_Crow Total Chaos forever! Join Date: Aug 2007 Location: Waterville, MN, USA Age: 49 Posts: 2,186	After looking at the PixMan source briefly, it looks like it has Intel MMX support. The trick would be getting the inline Assembly to work in GCC since only VAsm seems to have AMMX support.

12 September 2018, 17:45	#8
Locutus Registered User Join Date: Jul 2014 Location: Finland Posts: 1,175	AMMX has nothing to do with Intel MMX....

13 September 2018, 02:14	#9
xboxown Registered User Join Date: Dec 2012 Location: Vancouver/Canada Posts: 675	Do you guys think AMMX have something to do with Intel MMX?

13 September 2018, 09:24	#10
thellier Registered User Join Date: Sep 2011 Location: Paris/France Posts: 274	AMMX is supposed to be an enhanced MMX But AMMX got also new more powerfull instructions so cant be a 1:1 recompilation IMHO would be better to have the OS4 Composition function (=CompositeTags) ported to OS3+AMMX and then only modify SDL2,Pixman,etc... to use Composition

13 September 2018, 11:18	#11
Samurai_Crow Total Chaos forever! Join Date: Aug 2007 Location: Waterville, MN, USA Age: 49 Posts: 2,186	AMMX is 3 operand encoding while the original MMX is 2 operand encoding. In that sense it's a cross between MMX and Altivec.

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13 September 2018, 14:47	#12
commodorejohn Shameless recidivist Join Date: Jun 2012 Location: Duluth, Minnesota (USA) Age: 38 Posts: 260	Man, now I'm just thinking how I should get back to work on my own RPG engine...