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Search: Posts Made By: sandruzzo
Forum: Coders. Asm / Hardware Yesterday, 19:51
Replies: 35
Views: 1,625
Posted By sandruzzo
I think I wasn't able to explain this way well....

I think I wasn't able to explain this way well. Think about a piece of paper which is our prefilled area. Now, think about having scissor to cut our triangle and put it into screen.

I hope this...
Forum: Coders. Asm / Hardware Yesterday, 19:11
Replies: 35
Views: 1,625
Posted By sandruzzo
Thanks for your Questions, I'll think on them. ...

Thanks for your Questions, I'll think on them.


Yes, is better to write directly on screen if you don't have so much colors on screen, but if you have to handle multiply bit-plane, or tringles...
Forum: Coders. Asm / Hardware Yesterday, 17:18
Replies: 35
Views: 1,625
Posted By sandruzzo
I think that with a bunch of precomputated...

I think that with a bunch of precomputated masks(16*16 pixel), and knowing lines' slope, we can build that edge mask very fast.
Forum: Coders. Asm / Hardware Yesterday, 17:09
Replies: 35
Views: 1,625
Posted By sandruzzo
You'we got it, cpu draws that mask patter, and...

You'we got it, cpu draws that mask patter, and then with blitter we can draw this chunk into buffer. This way should free cpu do fill the whole triangle since it's prefilled
Forum: Coders. Asm / Hardware Yesterday, 16:52
Replies: 35
Views: 1,625
Posted By sandruzzo
I have no figures. Like I said, was just an idea...

I have no figures. Like I said, was just an idea that'll try :blased
Forum: Coders. Asm / Hardware Yesterday, 11:23
Replies: 35
Views: 1,625
Posted By sandruzzo
About filling, I've an idea. Instead of fill a...

About filling, I've an idea. Instead of fill a triangle, we can use a mask that cut unwanted pixels outside triangle edges(some sort of inverted mask)on a prefilled bitmap, and then, with blitter,...
Forum: Coders. Asm / Hardware 22 September 2018, 15:15
Replies: 35
Views: 1,625
Posted By sandruzzo
I just wanted to see if line filling with blitter...

I just wanted to see if line filling with blitter is fast. Now I have to do better test, just need time. Like I said, I'm interested on line filling
Forum: Coders. Asm / Hardware 21 September 2018, 16:00
Replies: 35
Views: 1,625
Posted By sandruzzo
I'll do in the future, now I wanted to test...

I'll do in the future, now I wanted to test blitter line filling with simple d=a. Since you don't need to setup a lot of register, i could help a lot the cpu.
Forum: Coders. Asm / Hardware 21 September 2018, 15:34
Replies: 35
Views: 1,625
Posted By sandruzzo
I did a simple test and blitter, on A500 seems to...

I did a simple test and blitter, on A500 seems to be more than 2 time faster

https://ibb.co/eeCN4z


https://ibb.co/eeCN4z
Forum: Coders. Asm / Hardware 20 September 2018, 15:18
Replies: 35
Views: 1,625
Posted By sandruzzo
@deimos Thanks for your reply. you've been...

@deimos

Thanks for your reply. you've been doing a hell of job!


I could try to put on some simple test to see which is faster. Some sort of best case scenario with well aligned quand, and...
Forum: Coders. Asm / Hardware 20 September 2018, 08:41
Replies: 35
Views: 1,625
Posted By sandruzzo
Since @deimos have all code done we can ask him...

Since @deimos have all code done we can ask him to implement this way: blitter line filling + cpu
Forum: Coders. Asm / Hardware 19 September 2018, 14:18
Replies: 35
Views: 1,625
Posted By sandruzzo
what about doing line setup with cpu and filling...

what about doing line setup with cpu and filling the line with blitter using D=A? in this way we have to setup only 2 blitter register, and masking first word and last word with cpu, or blitter...
Forum: Coders. Tutorials 14 September 2018, 14:46
Replies: 11
Views: 795
Posted By sandruzzo
Since blitter has a barrel schift, is it possible...

Since blitter has a barrel schift, is it possible to do the same thing with it?
Forum: Coders. Asm / Hardware 14 September 2018, 14:25
Replies: 35
Views: 1,625
Posted By sandruzzo
68000 vs Blitter on filling

Reading this post: How did games like Starglider 2 get such a high frame rate?, it seems that 68k on ocs/ecs is faster than blitter on polygons filling. It is that true? It is possible that blitter...
Forum: Coders. General 08 September 2018, 19:32
Replies: 118
Views: 6,502
Posted By sandruzzo
Some ideas, 01) use only 8 colors 02)...

Some ideas,

01) use only 8 colors
02) have less bigger area: 288px*240, 256*240 px and on
03) instead using big numbers for your c alculation, like from +32768 to - 32768, you could use thigt...
Forum: Coders. General 25 July 2018, 18:54
Replies: 60
Views: 6,309
Posted By sandruzzo
Would be great to do race game with these tricks...

Would be great to do race game with these tricks and a game Like elf mania!!!
Forum: Coders. General 19 July 2018, 17:39
Replies: 60
Views: 6,309
Posted By sandruzzo
ElfMania used a trick very good. They slide first...

ElfMania used a trick very good. They slide first 10 pixel with either cpu or blitter, were player are placed, and the other lines, only copper slide since no player will act there!

About Lotus,...
Forum: Retrogaming General Discussion 13 July 2018, 18:22
Replies: 145
Views: 7,037
Posted By sandruzzo
I'm doing another project, no porting: ...

I'm doing another project, no porting:

http://www.generationamiga.com/2017/11/12/upcoming-amiga-game-proxima-3-red-dwarf-star/

Like I said about rygar. If we want do an open project and use my...
Forum: Retrogaming General Discussion 13 July 2018, 18:20
Replies: 145
Views: 7,037
Posted By sandruzzo
If we want do an open project work together and...

If we want do an open project work together and use my experience on current rygar, I'm very willing to do :great
Forum: Retrogaming General Discussion 13 July 2018, 17:42
Replies: 145
Views: 7,037
Posted By sandruzzo
@mcgeezer Yes, so far no source code...

@mcgeezer

Yes, so far no source code release. Btw it's nothig special and still work in progress, with a lot of tests and bugs
Forum: Retrogaming General Discussion 13 July 2018, 17:31
Replies: 145
Views: 7,037
Posted By sandruzzo
It's not money per se. I was here begging for...

It's not money per se. I was here begging for help for months, and nothig did happened! See the point?
Forum: Retrogaming General Discussion 13 July 2018, 16:04
Replies: 145
Views: 7,037
Posted By sandruzzo
I did in the past, and it hurt me, and a lot! No...

I did in the past, and it hurt me, and a lot! No way I'll do it again. Sorry, only sharing gfx thecnique
Forum: Retrogaming General Discussion 13 July 2018, 14:30
Replies: 145
Views: 7,037
Posted By sandruzzo
Yes only tech demo. How can we do a full game...

Yes only tech demo. How can we do a full game with allmost no market?
Forum: Nostalgia & memories 10 July 2018, 15:36
Replies: 106
Views: 10,977
Posted By sandruzzo
32bit copper, with 32 bit blitter both at 14mhz...

32bit copper, with 32 bit blitter both at 14mhz would have been great! But a little bit memory bandwidth whould have been great too! Even a little 128-256k of fast mem will suffice!
Forum: Coders. General 10 July 2018, 11:27
Replies: 587
Views: 45,534
Posted By sandruzzo
Just a little bit off, but is it possible to...

Just a little bit off, but is it possible to overclock amiga chip set?
Forum: Coders. General 10 July 2018, 11:19
Replies: 587
Views: 45,534
Posted By sandruzzo
Even on ECS you can have "1mb" on chip...

Even on ECS you can have "1mb" on chip mem?
Forum: Coders. General 06 July 2018, 16:30
Replies: 587
Views: 45,534
Posted By sandruzzo
Street Fighter II with less big sprites, why not?

Street Fighter II with less big sprites, why not?
Forum: Coders. General 06 July 2018, 15:23
Replies: 587
Views: 45,534
Posted By sandruzzo
We have only to try!:great

We have only to try!:great
Forum: Coders. General 06 July 2018, 15:16
Replies: 587
Views: 45,534
Posted By sandruzzo
We can evena have the whole level with 16/32...

We can evena have the whole level with 16/32 colors, and switch to dual playfield when boss come:great
Forum: Coders. General 06 July 2018, 10:57
Replies: 587
Views: 45,534
Posted By sandruzzo
With a1200 + 1-2mb of fast you can do it...

With a1200 + 1-2mb of fast you can do it...
Forum: Coders. General 05 July 2018, 08:32
Replies: 587
Views: 45,534
Posted By sandruzzo
What kind of game? In my opinion all it's...

What kind of game? In my opinion all it's possible it's only a teach demo, to do a whole game is another pair of shoes:guru
Forum: Coders. General 04 July 2018, 11:04
Replies: 587
Views: 45,534
Posted By sandruzzo
Dunny got the point: market is too limited

Dunny got the point: market is too limited
Forum: Coders. General 04 July 2018, 08:53
Replies: 587
Views: 45,534
Posted By sandruzzo
I think the problem is money end time to invest....

I think the problem is money end time to invest. Doing a good game conversion require a lot of them...
Forum: Coders. General 22 June 2018, 08:05
Replies: 42
Views: 2,372
Posted By sandruzzo
Line of Fire Amiga version use prescaled...

Line of Fire Amiga version use prescaled "bob"?
Forum: Coders. Contest 21 June 2018, 18:24
Replies: 432
Views: 72,678
Posted By sandruzzo
what about doing some fixed games' categories...

what about doing some fixed games' categories like: 3d, shooter, and on? Or even doing some conversion?
Forum: Coders. General 21 June 2018, 11:29
Replies: 42
Views: 2,372
Posted By sandruzzo
I think if you scale well the entire bitmap you...

I think if you scale well the entire bitmap you can archive a good scaling effect in y direction, the problem is x direction
Forum: Coders. General 20 June 2018, 14:41
Replies: 42
Views: 2,372
Posted By sandruzzo
So isnt' real time?

So isnt' real time?
Forum: Coders. General 20 June 2018, 11:25
Replies: 42
Views: 2,372
Posted By sandruzzo
Line of Fire Question

Can someone know how did they were able to do zooming on Amiga?:banghead
Forum: Retrogaming General Discussion 11 June 2018, 18:03
Replies: 145
Views: 7,037
Posted By sandruzzo
To finish projects?

To finish projects?
Forum: Retrogaming General Discussion 11 June 2018, 16:55
Replies: 145
Views: 7,037
Posted By sandruzzo
We could coiche some conversiont that worth...

We could coiche some conversiont that worth doing, and work on them, maybe founding via Kickstarter
Showing results 1 to 40 of 1234

 
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