Search found 436 matches

by Orion_
Sun Jun 13, 2004 7:42 am
Forum: Coding
Topic: The Atari Forum Demo
Replies: 153
Views: 59014

I hope it's not too late ^^
just sended a last minute modification, optimised the pixel routine so now it really doesn't run out of the vbl anymore :)
(was not true in the previous version)
by Orion_
Sun May 23, 2004 2:54 pm
Forum: 680x0
Topic: [CODE] How to create your own bootsectors
Replies: 9
Views: 3878

where is the bootblock parameter ?
I had a lots of problems running a boot sector without this If I remember well.
by Orion_
Wed May 05, 2004 6:14 pm
Forum: MJJ-Prod [FR]
Topic: La branche occulte de MJJ...
Replies: 56
Views: 16671

Strider wrote: Que dites-vous de "Delta Farce" ? ;-)
pt1 trop bon ça Image
faut que je le note quelque part ^^
by Orion_
Tue May 04, 2004 8:10 am
Forum: Coding
Topic: The Atari Forum Demo
Replies: 153
Views: 59014

perfect :) I needed some times to optimize more my scrolling rout ^^
by Orion_
Fri Apr 30, 2004 7:41 pm
Forum: Coding
Topic: The Atari Forum Demo
Replies: 153
Views: 59014

sent !
by Orion_
Mon Apr 19, 2004 4:50 pm
Forum: Coding
Topic: The Atari Forum Demo
Replies: 153
Views: 59014

is there any restriction like no bss section ?
by Orion_
Sun Apr 18, 2004 3:19 pm
Forum: MJJ-Prod [FR]
Topic: FelX en Greve ! ! !
Replies: 5
Views: 2570

capricieux le boss ? ^^
by Orion_
Sun Apr 18, 2004 2:40 pm
Forum: Coding
Topic: The Atari Forum Demo
Replies: 153
Views: 59014

hahaha, 100KB down to 32KB, thanks Icepak :)

I've just a little problem, my scroller is too fast cos for low CPU cost I scroll 16 pixels each vbl. I tried to skip scrolling for example each 3 vbl, but it flicker and it's not very readable :(
by Orion_
Wed Apr 14, 2004 5:14 pm
Forum: MJJ-Prod [FR]
Topic: la OUTLINE C'est ce week-end !!
Replies: 29
Views: 8069

c klr qu'il dechire pas mal le chip de DmaSc :)
by Orion_
Wed Apr 14, 2004 1:03 pm
Forum: 680x0
Topic: about VBL and registers
Replies: 11
Views: 3478

it depend of what sort of routine there are in the VBL.
in most case all registers are saved when an interrupt occur.
by Orion_
Sun Apr 11, 2004 7:49 pm
Forum: Coding
Topic: The Atari Forum Demo
Replies: 153
Views: 59014

*phew*, still the scroller to finish, then my screen will be done :)
by Orion_
Fri Apr 09, 2004 7:17 pm
Forum: 680x0
Topic: about the blitter ^^
Replies: 27
Views: 20396

about the blitter ^^

hehe, after playing a little with raster I was wondering If I could speed up my routine with the blitter :) I saw that it can do a lot of thing like shift, and/or operation and all at 16MHz ! I tried to use it but nothing apears on screen :( here is what I do: 32 bits address of the image in $FF8A24...
by Orion_
Fri Apr 09, 2004 5:24 pm
Forum: Coding
Topic: about Raster/Timer B
Replies: 6
Views: 3102

anyway timer B + palette playing rulez 8) I made a picture converter that allow me to show any 24bits picture on my STe with a maximum of 3000 colors ^_^ the converter as not a very good convertion algorythm :? but it's a work of an afternoon of coding, I will maybe improve it later. again, thank yo...
by Orion_
Mon Apr 05, 2004 2:40 pm
Forum: Chat forum [FR]
Topic: Je m'ennuis (un tout petit peu !)
Replies: 78
Views: 19501

tiens, faudrat que je me renseigne aussi sur le blitter un de ces jours, j'ai pas encore totalement compris sont utilité :D
(m'enfin si il est la c'est que ça doit etre bien pratique)
by Orion_
Mon Apr 05, 2004 12:46 pm
Forum: Chat forum [FR]
Topic: Je m'ennuis (un tout petit peu !)
Replies: 78
Views: 19501

Re: Et zoup !!

Zorro 2 wrote: Tiens ! V'la mister Vbl :P
? :?
En fait c'est la routine d'effacement qui manquait d'optimisation...
ça repond pas a ma question :D
by Orion_
Sun Apr 04, 2004 3:22 pm
Forum: Coding
Topic: about Raster/Timer B
Replies: 6
Views: 3102

about Raster/Timer B

I had a revelation, by reading a post that was about the timer B and raster. suddenly I (perhaps) understand how you could show more than 16 colors at one time. so I find what was the timer, and I found that it has "data" ($FFFA21) and "control" ($FFFA1B). what this data correspond to ? and what is ...
by Orion_
Sun Apr 04, 2004 8:14 am
Forum: 680x0
Topic: Bootsector CRC calculation
Replies: 2
Views: 2030

you simply have to add the first 255 words of your boot sector in a word (so with an automatic and $FFFF) then subtract the result to $1234, and store the crc to the last word (256) of your boot sector. here is an example: movea.l #boot,a0 moveq #0,d0 move.w #510/2-1,d1 chksum add.w (a0)+,d0 dbf d1,...
by Orion_
Sat Apr 03, 2004 8:06 pm
Forum: Chat forum [FR]
Topic: Je m'ennuis (un tout petit peu !)
Replies: 78
Views: 19501

Re: Et zoup !!

Zorro 2 wrote: T'as de la chance David, la mienne est presque a ras-la-gueule ! Un champ d'etoile 320*200 bouffe bcp de cpu avec 50 etoiles seulement...
3D ou 2D ? differentiel ?
by Orion_
Tue Mar 30, 2004 2:26 pm
Forum: Coding
Topic: Relocatable code.
Replies: 16
Views: 7716

tobe wrote:C is a very good coding langage !
yes, but not on an atari at only 8MHz trying to do realtime effect ;)
by Orion_
Tue Mar 30, 2004 2:24 pm
Forum: Coding
Topic: Relocatable code.
Replies: 16
Views: 7716

thanks Grazey :)
that work very well :wink:

raaaahhhhh no more tweaking .... :P
by Orion_
Mon Mar 29, 2004 5:12 pm
Forum: Coding
Topic: Relocatable code.
Replies: 16
Views: 7716

If you can send me the relocation code it would help me a lot, thanks :)
or at least, explain me how work exactly the relocation table.
because actually this is a real nightmare to run code after my boot strap :cry:
by Orion_
Mon Mar 29, 2004 3:18 pm
Forum: Coding
Topic: Relocatable code.
Replies: 16
Views: 7716

I've a lot of problem with relocation. when I try to start a program from my bootstrap I've to load it at a defined memory location (I use ORG) and I must not use any absolute instruction :( that's hard, I've a lot of error because of that. can I use the relocation code of IcePack ? e.g: loading the...
by Orion_
Mon Mar 29, 2004 3:13 pm
Forum: Coding
Topic: The Atari Forum Demo
Replies: 153
Views: 59014

^^

since 2 month that I started to code on atari st I made one or two cool effect, maybe I will try to make a screen too :)
by Orion_
Fri Jan 16, 2004 8:50 am
Forum: Chat forum [ENG]
Topic: Sony-Ericsson Stay Atari! Theme
Replies: 7
Views: 2630

thanks a lot for this beautiful theme :wink:
I have a T610 an I'm an atarian too :)
by Orion_
Wed Jan 14, 2004 7:33 am
Forum: 680x0
Topic: about bootstrap and code/data loading ...
Replies: 21
Views: 7225

hehe, It work :D 8)

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