Search found 137 matches

by Zarchos
Mon Jul 24, 2017 5:03 pm
Forum: Chat forum [ENG]
Topic: Something positive, for change
Replies: 47
Views: 840

Re: Something positive, for change

well known amiga fanboy from http://eab.abime.net/ I guess this is another dlfrsilver fake account. dlfrsilver was so annoying that I made SPECIAL web page for his GEMs: http://milan.kovac.cc/atari/dlfrsilver/ and I add Miggy4Eva ridicules quote... I will continue to add these nonsense just so peop...
by Zarchos
Mon Jul 24, 2017 12:46 pm
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

@Zarchos I change "claim" to "believe" - I think it is more accurate (since english is not my main language, I choose wrong word). So I can not write what I believe that happen? What law prohibit this? (Beside, what I wrote is already processed and stored somewhere (probably ill...
by Zarchos
Mon Jul 24, 2017 7:41 am
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

@Calimero : remove ASAP your comments, I advise you. You have too much to lose with your assertions. Law works on the Net, as you should know. You can discuss only what has been proven or cite others's sayings, and only to a certain extent ... That is not me saying this, it is the Law, and if you do...
by Zarchos
Sun Jul 23, 2017 5:13 pm
Forum: Chat forum [ENG]
Topic: Something positive, for change
Replies: 47
Views: 840

Re: Something positive, for change

The same idiot I had to face on Gamopat, but there are a few others, even worse.
I am French and I can witness they really don't behave well.
The less they know, the less they behave themselves.
I won't tell you what I have received with my videos about the Archies ...
by Zarchos
Sun Jul 23, 2017 11:44 am
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

You get the idea for 'on one foot' or 'on one leg' ... The Falcon is amazing, to me. It's not without its short falls, but I believe it's the best/most interesting of the old school 'all in one box' home computers. I do agree... I'd love to own one, and have a teacher next door to understand how to...
by Zarchos
Sun Jul 23, 2017 10:56 am
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

fingers in the nose, on one foot. fingers, nose, foot ??? WTH The Archimedes is a cool machine. i would have got it if I did not dabble into Atari. I mean I had been using Acorn computers at school, so I know they made good computers. The CPU is way faster than the 68000 so it all better hardware. ...
by Zarchos
Sun Jul 23, 2017 9:00 am
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

As I deal daily on my job with Cortex-M core devices, it is a pleasure to get the constant positive reminder of the Archie :) Talking about lowlevel assembler and what the IAR compiler produces, I can only tell that I would be unable to produce that tight assembly code myself. IIRC the Acorn C comp...
by Zarchos
Sun Jul 23, 2017 1:16 am
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

Acorn Risc Machine in the beginning, someway around 92 or 93 (Zarchos, correct me), it was renamed to Advanced RISC Machine. 1990 for the spin-off. In 1998 there's been the floatation, and I was ready to have the most serious argument ever with my father, telling him that he had to buy some shares....
by Zarchos
Sun Jul 23, 2017 1:07 am
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

wongck wrote:
Zarchos wrote:Ever heard of Starfighter 3000 ?
https://youtu.be/gKEaX4RjWkk


No... where to find for Atari falcon ?


The Falcon would do it even better and fingers in the nose, on one foot.
by Zarchos
Sun Jul 23, 2017 1:03 am
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

wongck wrote:Very technical now.
But the bottom line is that
I can play Wing Commander on an Intel 286 computer and while we are stuck on Elite.


Ever heard of Starfighter 3000 ?
https://youtu.be/gKEaX4RjWkk
by Zarchos
Sat Jul 22, 2017 11:49 pm
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

The ARM lacks support for some useful stuff like BCD. The 6502 supports that. It's ultra useful for game high scores when you have no divide instruction :D I think there some clever algos listed in the ARM VLSI manual to do exactly that (BCD) ... I'll list that here. Same thing to divide by any val...
by Zarchos
Sat Jul 22, 2017 8:13 pm
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

Yes. It can clash with the DMA on 68k machines. The result is a black screen and lots of buzzing noises. ;-) Sound and picture with a Guru flashing :mrgreen: the Amiga was the 1st multimedia machine, for sure :lol: Oh no. It's worse than that. It literally fuxxors the display. The whole machine fal...
by Zarchos
Sat Jul 22, 2017 7:59 pm
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

Why is TAS not usable on the Amiga ? Because of the DMA oriented architecture ? Yes. It can clash with the DMA on 68k machines. The result is a black screen and lots of buzzing noises. ;-) Sound and picture with a Guru flashing :mrgreen: the Amiga was the 1st multimedia machine, for sure :lol:
by Zarchos
Sat Jul 22, 2017 7:52 pm
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

ARM2 has no instruction, uninterruptible, to do synchronisation (you are speaking about an instruction allowing to easily implement semaphores, right ?) But it is available from the ARM3, and then in the ARM250. It is why I 'fight' when people say the CPU inside an ARM250 is an ARM2 : it is not. Th...
by Zarchos
Sat Jul 22, 2017 7:43 pm
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

ARM2 has no instruction, uninterruptible, to do synchronisation (you are speaking about an instruction allowing to easily implement semaphores, right ?) But it is available from the ARM3, and then in the ARM250. It is why I 'fight' when people say the CPU inside an ARM250 is an ARM2 : it is not. The...
by Zarchos
Sat Jul 22, 2017 7:06 pm
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

I'll answer tomorrow morning but I think there is no need of 10 steps ... thanks to the power of the barrel shifter applied to the 3rd operand (with a constant it costs 0 extra cycle, 1 if it is a register) Yes most intructions have 3 operands, and the barrel shifter alters the content of the last o...
by Zarchos
Sat Jul 22, 2017 3:38 pm
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

[SNIP] And if all this is beginning to be off-topic, please complain gently and not with harsh phrasing : the teacher/student behaviour is sthing I do not stand anymore, and I mean it has been like that for several decades. I am not sbdy's inferior, in any way. I didn't think I was being harsh or i...
by Zarchos
Sat Jul 22, 2017 9:24 am
Forum: Coding
Topic: Inquiry about 'generated sprites' techniques used on the ST and the Falcon
Replies: 9
Views: 257

Re: Inquiry about 'generated sprites' techniques used on the ST and the Falcon

Anima wrote:Cho Ren Sha for the Atari Falcon 030 uses the DSP to support the sprite drawing to reduce the bandwidth needed to clear (restore) the screen.


Thanks, it is going to be an interesting read for sure.
by Zarchos
Sat Jul 22, 2017 9:01 am
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

Acorn Risc Machine in the beginning, someway around 92 or 93 (Zarchos, correct me), it was renamed to Advanced RISC Machine. 1st ARM1 (working prototype from day 1) working in 1985, available as an add-on and development expansion for the Acorn 8 bits machines, and also as the CPU for standalone Ar...
by Zarchos
Sat Jul 22, 2017 9:00 am
Forum: Coding
Topic: Inquiry about 'generated sprites' techniques used on the ST and the Falcon
Replies: 9
Views: 257

Re: Inquiry about 'generated sprites' techniques used on the ST and the Falcon

simonsunnyboy wrote:The Thadoss technique for Falcon was explained here: viewtopic.php?f=68&t=24462


Thanks for the link provided. Will read with interest.
by Zarchos
Sat Jul 22, 2017 8:23 am
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

Well, in that case I don't see the point of discussions 68K vs. ARM. One is history, retro, other is still developing. Wait, people who works on that Amiga GHz 68000 based beast will not agree ... Ah, I even don't remember how they named it :D ??? I need my litre of coffee, I really don't understan...
by Zarchos
Sat Jul 22, 2017 8:07 am
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

One question: is that old basic architecture and command set of ARM what is base for nowadays, widely used, multi core CPUs - used in smartphones, Raspberry Pi, etc. I had some 600 MHz ARM, manufactured by Intel in palmtop, some 10 years ago. From latest comments of Sophie Wilson, who created the A...
by Zarchos
Sat Jul 22, 2017 8:06 am
Forum: Coding
Topic: Inquiry about 'generated sprites' techniques used on the ST and the Falcon
Replies: 9
Views: 257

Re: Inquiry about 'generated sprites' techniques used on the ST and the Falcon

Please moderator delete the multiple copies.
The site kept saying me that there was an issue with the page, so I resent many times.
by Zarchos
Sat Jul 22, 2017 7:59 am
Forum: Coding
Topic: Inquiry about 'generated sprites' techniques used on the ST and the Falcon
Replies: 9
Views: 257

Inquiry about 'generated sprites' techniques used on the ST and the Falcon

As a (lazy) ARM coder I have developed what I believe is a good 'generated code sprites' generator. I would like to know which solutions you chose on the ST and later machine with faster CPUs, and the Falcon (with its chunky modes). My technique and ideas for the Archies are described here : http://...
by Zarchos
Sat Jul 22, 2017 7:30 am
Forum: Non Atari Platforms
Topic: Processor comparisons
Replies: 118
Views: 3825

Re: Processor comparisons

No horizontal blank interrupt? And I remember so many great demos on the A3000 with raster bars.....Brothers In Arm come to mind *oh the memories* :) None hardware indeed. So everything has to be done by the CPU. Now RasterMan changes everything, we have the software, stable and precise solution, b...

Go to advanced search