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Forum: Retrogaming General Discussion 06 June 2019, 03:33
Replies: 277
Views: 16,960
Posted By ReadOnlyCat
This looks quite nice! The Ninja Spirit...

This looks quite nice! The Ninja Spirit background indeed lends itself well to the sprite approach.



No doubt. ;)
You could also disable the parts of the sprite background which are not...
Forum: Coders. Asm / Hardware 06 June 2019, 03:21
Replies: 28
Views: 3,037
Posted By ReadOnlyCat
Hum, nifty (using the two copper lists for...

Hum, nifty (using the two copper lists for different tasks).
If I understand correctly, Copper1 waits on scanlines and changes colors then switches to Copper2 which waits on Blitter Finished but how...
Forum: Coders. General 06 June 2019, 03:07
Replies: 152
Views: 11,437
Posted By ReadOnlyCat
Frankly, I think these kittens should be whipped...

Frankly, I think these kittens should be whipped until they buy a proper modern controller rather than suffer with these stupid one button ones.
There was no reason to limit oneself to one button...
Forum: Coders. Asm / Hardware 06 June 2019, 02:45
Replies: 95
Views: 6,389
Posted By ReadOnlyCat
;) Obviously, one should only remove the...

;)
Obviously, one should only remove the unnecessary collision tests.



(yup, clearly not hierarchical, not sure why I categorized it as such :confused)
That does not surprise me, grids are...
Forum: support.Hardware 06 June 2019, 02:35
Replies: 1,150
Views: 399,103
Posted By ReadOnlyCat
I have a few yellowed and damaged Amiga cases...

I have a few yellowed and damaged Amiga cases that I can test the sun-whitening method on, will do so when I find them. ;)



Any picture with natural light is indeed by definition to suffer from...
Forum: Retrogaming General Discussion 06 June 2019, 02:28
Replies: 282
Views: 36,211
Posted By ReadOnlyCat
This is actually not so rare: a few games scroll...

This is actually not so rare: a few games scroll and move sprites at 50Hz but redraw Blitter objects at 25Hz.

Assassin from Team 17 does that for example...
Forum: support.Hardware 06 June 2019, 02:12
Replies: 7
Views: 933
Posted By ReadOnlyCat
Thanks, I had since indeed already purchased...

Thanks, I had since indeed already purchased replacement switches which work great. ;)
Forum: New to Emulation or Amiga scene 06 June 2019, 01:49
Replies: 12
Views: 1,469
Posted By ReadOnlyCat
Are you sure? I use mine with a straight...

Are you sure? I use mine with a straight inverter, no wires crossed and it works just fine.

For reference, this is the one I got:...
Forum: Retrogaming General Discussion 06 June 2019, 01:38
Replies: 32
Views: 1,243
Posted By ReadOnlyCat
There is no reason for the serial link to slow...

There is no reason for the serial link to slow down frame rate.

The only data to transmit between machines are essentially controller state and some game state every few frames and that should...
Forum: support.FS-UAE 05 June 2019, 04:08
Replies: 103
Views: 20,020
Posted By ReadOnlyCat
I realize that this would be pile even more work...

I realize that this would be pile even more work on Frode's shoulders but on macOS there may be a chance that the Metal API exposes these kind of things?
I am not familiar with it so I have no clue...
Forum: support.FS-UAE 05 June 2019, 04:01
Replies: 227
Views: 42,881
Posted By ReadOnlyCat
Has anyone managed to make these shaders work...

Has anyone managed to make these shaders work with FS UAE on Macs (latest Mojave)?

If I attempt to use them, FS UAE crashes miserably upon launching the game. :(
Forum: support.FS-UAE 05 June 2019, 03:59
Replies: 23
Views: 1,864
Posted By ReadOnlyCat
I like these bezels as well, however, I would...

I like these bezels as well, however, I would probably prefer if the grey background and reflections were omitted. I think these really are two aspects of a 1084 that do not need to be reproduced. ;)...
Forum: support.FS-UAE 05 June 2019, 03:32
Replies: 10
Views: 1,632
Posted By ReadOnlyCat
Low bitrate is precisely why doubling/tripling...

Low bitrate is precisely why doubling/tripling pixels increases quality: it doubles/triples the effective bitrate per pixel. No need for a discussion, this is now over. ;)
Forum: support.FS-UAE 05 June 2019, 02:40
Replies: 10
Views: 1,632
Posted By ReadOnlyCat
Actually, YouTube can be used with good results...

Actually, YouTube can be used with good results but one must increase the video's resolution to a much higher definition than the emulated machine.
I.e., if you are recording an Amiga, record it at...
Forum: support.Hardware 04 June 2019, 01:29
Replies: 7
Views: 933
Posted By ReadOnlyCat
Oops, completely forgot that thread. My 1200 has...

Oops, completely forgot that thread. My 1200 has been in its box since (moving) and I have not had a chance to look into it any further but I indeed suspect caps issues. I stored it upside down so...
Forum: Coders. Asm / Hardware 01 June 2019, 20:01
Replies: 30
Views: 3,284
Posted By ReadOnlyCat
It all depends on whether you compare it to the...

It all depends on whether you compare it to the C64 original. ;)
An A1200 with 4MB Fast RAM is a pretty steep requirement from the 64k of a C64.

Of course it is much improved graphically but that...
Forum: Coders. Asm / Hardware 01 June 2019, 19:16
Replies: 30
Views: 3,284
Posted By ReadOnlyCat
Oh, thanks for the information Damien. I...

Oh, thanks for the information Damien.
I suppose that this is not actual texture mapping then and the memory requirement is probably to store many pre-scaled versions of the tiles.
Forum: Games images which need to be WHDified 01 June 2019, 19:07
Replies: 9
Views: 1,224
Posted By ReadOnlyCat
Every coder started at the same place you are...

Every coder started at the same place you are now.

You can become a coder yourself but for that to happen you need to:
1) start
2) continue even upon failure

This is your decision to make but...
Forum: Coders. Asm / Hardware 01 June 2019, 19:04
Replies: 30
Views: 3,284
Posted By ReadOnlyCat
Depends. ;) The algorithm would definitely be...

Depends. ;)
The algorithm would definitely be simpler with chunky pixels.
Now, the small screen surface probably allows for a direct bitplane approach but frankly why bother?





No way in...
Forum: Retrogaming General Discussion 01 June 2019, 18:44
Replies: 32
Views: 1,243
Posted By ReadOnlyCat
Any game with two players support would benefit...

Any game with two players support would benefit from it, really.

If only controller data gets transmitted between the two computers, the size of that data is all enough that there would be no...
Forum: Coders. General 08 April 2019, 04:14
Replies: 152
Views: 11,437
Posted By ReadOnlyCat
The PNG was only 16 colors and compression...

The PNG was only 16 colors and compression usually takes very well care of unused bits per pixel so I doubt this would diminish that much.
Moreover, compression also likely eliminates redundancies...
Forum: Coders. Asm / Hardware 08 April 2019, 03:26
Replies: 28
Views: 3,037
Posted By ReadOnlyCat
My previous post about color changes interleaving...

My previous post about color changes interleaving made me think that since nasty-mode Blitter timings are fairly computable/predictable it should be doable to organize the Copper list in a way which...
Forum: Coders. Asm / Hardware 08 April 2019, 03:01
Replies: 28
Views: 3,037
Posted By ReadOnlyCat
I think it may be within the realm of...

I think it may be within the realm of possibilities to build a Copper list capable of managing both duties assuming some constraints are set to reduce the required complexity.

Since the Blitter...
Forum: Coders. Asm / Hardware 08 April 2019, 01:58
Replies: 95
Views: 6,389
Posted By ReadOnlyCat
The fastest collision tests are the ones you do...

The fastest collision tests are the ones you do not do. ;)

Organizing your objects hierarchically allows to avoid unnecessary tests.
The grid approach is just an example of that which is quite...
Forum: Coders. General 08 April 2019, 00:41
Replies: 61
Views: 10,122
Posted By ReadOnlyCat
Even OCS already had enough DMA bandwidth to...

Even OCS already had enough DMA bandwidth to fetch 8 bits per pixel (640 x 4bits = 320 x 8bits).

If the OCS chipset had had 256 color registers we would have had a chunky mode for very little...
Forum: New to Emulation or Amiga scene 07 April 2019, 22:28
Replies: 12
Views: 1,469
Posted By ReadOnlyCat
Hello ;) First things first: it has...

Hello ;)



First things first: it has not blown up yet but its capacitors are definitely leaking and possibly damaging it so you should definitely get them replaced.
I got two of these kittens...
Forum: Coders. General 07 April 2019, 21:14
Replies: 152
Views: 11,437
Posted By ReadOnlyCat
The raw memory size of the arcade data is not...

The raw memory size of the arcade data is not exactly representative of how much memory would be needed on the Amiga.

Taking the Chun-Li sprite sheet from the MegaDrive version as reference (cf...
Forum: Coders. Asm / Hardware 04 April 2019, 05:26
Replies: 234
Views: 26,907
Posted By ReadOnlyCat
Being used a lot does not mean it is alone. Phx...

Being used a lot does not mean it is alone.
Phx said that ABI was commonly used and active Gcc usage supports it. He never said that this was the only one in use so why are you responding that?
Forum: Retrogaming General Discussion 04 April 2019, 04:59
Replies: 277
Views: 16,960
Posted By ReadOnlyCat
That is a question worth asking! There is no...

That is a question worth asking! There is no shame to be had in not knowing the technical details if that is not your field of expertise. ;)
Lionheart uses the Dual Playfield mode which allows for...
Forum: Coders. General 04 April 2019, 04:37
Replies: 152
Views: 11,437
Posted By ReadOnlyCat
Street Fighter II is perfectly within the...

Street Fighter II is perfectly within the capabilities of the OCS chipset.
Sure, there would be less colors and less background animations but characters sizes and animations can be identical to the...
Forum: Retrogaming General Discussion 04 April 2019, 04:32
Replies: 30
Views: 1,867
Posted By ReadOnlyCat
The comparison with the C64 version may be more...

The comparison with the C64 version may be more appropriate since the two machines use graphic modes with similar bandwidth (160x200, 16 colors) and the same CPU, although the BBC's is clocked twice...
Forum: Retrogaming General Discussion 04 April 2019, 02:48
Replies: 282
Views: 36,211
Posted By ReadOnlyCat
For the record, I completely agree. Scrolling...

For the record, I completely agree.
Scrolling at half a pixel per second is a thing, it is just not perceptible on machines with an integer scroll step. Scrolling speed (number of pixels moved per...
Forum: Retrogaming General Discussion 25 March 2019, 04:46
Replies: 75
Views: 6,594
Posted By ReadOnlyCat
Holy kitty, what an abomination. Tile rendering...

Holy kitty, what an abomination.
Tile rendering must have taken at least 2/3rd of the rendering time if they did redraw everything for each frame. They could at least have used a background buffer...
Forum: project.Amiga Game Factory 25 March 2019, 04:26
Replies: 328
Views: 72,407
Posted By ReadOnlyCat
I received both games a few weeks back and the...

I received both games a few weeks back and the boxes + manual are gorgeous!
Unfortunately I have not had a single second to play them on my Amiga yet. :(
Forum: Retrogaming General Discussion 25 March 2019, 04:14
Replies: 30
Views: 1,867
Posted By ReadOnlyCat
You should have created a "Z80 vs C6502" thread....

You should have created a "Z80 vs C6502" thread. ;) (Probably already exists. :D )

This said, I have no opinion on that topic since I know nothing about the Z80 instruction set (other than it is...
Forum: Retrogaming General Discussion 25 March 2019, 03:49
Replies: 277
Views: 16,960
Posted By ReadOnlyCat
The reason these were never (re)converted to the...

The reason these were never (re)converted to the 1200 is simply that the market for A1200-only games was too small.

Amiga sales had fallen down a cliff starting in 1992, the year of the...
Forum: Retrogaming General Discussion 25 March 2019, 03:43
Replies: 282
Views: 36,211
Posted By ReadOnlyCat
Are there mods of Gods which fix that? I would be...

Are there mods of Gods which fix that? I would be curious to see the result. ;)
Forum: Retrogaming General Discussion 25 March 2019, 03:40
Replies: 282
Views: 36,211
Posted By ReadOnlyCat
Hum... you got me thinking. I have worked on...

Hum... you got me thinking.

I have worked on games where some parts of the game logic were updated at higher rates than the actual frame rate in order to produce a more realistic feel (the physics...
Forum: Coders. Contest 25 March 2019, 02:41
Replies: 1,374
Views: 98,387
Posted By ReadOnlyCat
Moreover, low resolution videos have horribly...

Moreover, low resolution videos have horribly blurry pixels. It looks like YouTube compresses them with much lower quality than higher resolution ones.
Even if your capture resolution is 240p, the...
Forum: Coders. General 25 March 2019, 02:29
Replies: 2,210
Views: 339,872
Posted By ReadOnlyCat
Well, if the point was to make arcade perfect...

Well, if the point was to make arcade perfect conversions on the Amiga the only conversions that would have been commercially available back then would have been arcade games from the 70s and a...
Showing results 1 to 40 of 1143

 
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