Search found 179 matches

by bioloid
Tue Oct 09, 2018 5:58 pm
Forum: Megadrive/Genesis
Topic: simple 68k loop
Replies: 21
Views: 21697

Re: simple 68k loop

Ok I give up, I've added the repo here https://github.com/skarab/megadrive-512
maybe use it later.. or not.
by bioloid
Tue Oct 09, 2018 5:11 pm
Forum: Megadrive/Genesis
Topic: simple 68k loop
Replies: 21
Views: 21697

Re: simple 68k loop

maybe I should port this to asm : typedef unsigned short u16; typedef unsigned long u32; typedef volatile u16 vu16; typedef volatile u32 vu32; #define GFX_DATA_PORT 0xC00000 #define GFX_CTRL_PORT 0xC00004 #define GFX_WRITE_CRAM_ADDR(adr) ((0xC000 + ((adr) & 0x3FFF)) << 16) + (((adr) >> 14) | 0x00) v...
by bioloid
Tue Oct 09, 2018 5:07 pm
Forum: Megadrive/Genesis
Topic: simple 68k loop
Replies: 21
Views: 21697

Re: simple 68k loop

any idea to reduce the size ?
by bioloid
Tue Oct 09, 2018 5:06 pm
Forum: Megadrive/Genesis
Topic: simple 68k loop
Replies: 21
Views: 21697

Re: simple 68k loop

shit, thanks.
by bioloid
Tue Oct 09, 2018 5:04 pm
Forum: Megadrive/Genesis
Topic: simple 68k loop
Replies: 21
Views: 21697

Re: simple 68k loop

well I try to reduce the init code of megadrive : from : .section .text.keepboot .org 0x00000000 _Start_Of_Rom: _Vecteurs_68K: dc.l 0x00FFFE00 /* Stack address */ dc.l main /* Program start address */ dc.l _INT dc.l _INT dc.l _INT dc.l _INT dc.l _INT dc.l _INT dc.l _INT dc.l _INT dc.l _INT dc.l _INT...
by bioloid
Tue Oct 09, 2018 4:51 pm
Forum: Megadrive/Genesis
Topic: simple 68k loop
Replies: 21
Views: 21697

simple 68k loop

Hello, first time I try to do asm on the 68k, something is wrong with this code:

mov.b #62, d0
L1:
dc.l _INT
dbeq d0,L1

so, what is wrong ? I try to call it a init.
Thanks
by bioloid
Sun Jun 24, 2018 8:59 am
Forum: SGDK
Topic: Tube effect
Replies: 1
Views: 3766

Tube effect

Hello,
I made a little demo featuring the tube effect, I cleaned the code a bit an put it on github :
http://kstorm.org/index.php/41-hack-the-internet
by bioloid
Sat Jun 02, 2018 10:28 pm
Forum: Demos
Topic: vampires
Replies: 1
Views: 5458

vampires

Hello, here is my new demo : https://www.pouet.net/prod.php?which=76329

There are some recycled effects and little new one synched with my own music,
I've had hard time to begin demomaking on my new gentoo based system.
Thanks to Steph and Kubilus/gendev.
by bioloid
Sat Jun 02, 2018 6:22 pm
Forum: Demos
Topic: Mangangá
Replies: 9
Views: 9609

Re: Mangangá

Nice first stage, but possible to make the background scroll a bit ? it seems to static.
Great design!
by bioloid
Sat Jun 02, 2018 4:37 pm
Forum: Demos
Topic: OVERDRIVE II
Replies: 29
Views: 49558

Re: OVERDRIVE II

Best demo ever.
by bioloid
Sat Jun 02, 2018 4:36 pm
Forum: Demos
Topic: Zombie
Replies: 27
Views: 25887

Re: Zombie

I'm not glad to post ugly code like that, I'll clean it with the new version, add controller support and post it into the sgdk subforum.
by bioloid
Thu May 31, 2018 4:52 pm
Forum: Megadrive/Genesis
Topic: SGDK showcase?
Replies: 3
Views: 5336

Re: SGDK showcase?

It would be nice to have this list pinned in sgdk subforum I guess.
There are a bunch of demos but I would like to pick the games as well, its a bit sparsed between forums and so.
by bioloid
Wed May 30, 2018 12:18 pm
Forum: Megadrive/Genesis
Topic: Loop Unrolling - Optimal Unrolling Factor?
Replies: 7
Views: 7075

Re: Loop Unrolling - Optimal Unrolling Factor?

I don't unroll, cause I'm a lamer.
by bioloid
Tue May 29, 2018 11:20 am
Forum: Demos
Topic: Masiaka by Resistance, released at Evoke 2017, Koeln, Germany
Replies: 17
Views: 17519

Re: Masiaka by Resistance, released at Evoke 2017, Koeln, Germany

Ok this blitter run at 60fps, but I really fail to see how it works how to use it lol.

edit: its linear but doesnt work with gendev