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Search: Posts Made By: AmigaHope
Forum: support.Hardware Yesterday, 00:17
Replies: 6
Views: 138
Posted By AmigaHope
Yeah, bad flyback. Clean and change caps to save...

Yeah, bad flyback. Clean and change caps to save it.
Forum: Amiga scene 07 April 2020, 18:49
Replies: 1,140
Views: 76,172
Posted By AmigaHope
When Brian photographed the Ranger it seems he...

When Brian photographed the Ranger it seems he only got good photos of the backplane and of the "Garganturam" card (presumably a large fast ram expansion). There were two other cards plugged into the...
Forum: support.Hardware 07 April 2020, 18:24
Replies: 15
Views: 1,041
Posted By AmigaHope
Best way to play these low-latency serial-link...

Best way to play these low-latency serial-link games over the internet would be going more of a Shadowplay/Stadia route and run both instances on the same machine. To make it fair to both players you...
Forum: Amiga scene 06 April 2020, 23:47
Replies: 1,140
Views: 76,172
Posted By AmigaHope
It amazed me how many early developers jumped...

It amazed me how many early developers jumped willy-nilly into the 1.2 ROM even though they already knew that changes had already happened from 1.0 and 1.1. I guess they just never even considered...
Forum: Amiga scene 06 April 2020, 08:01
Replies: 1,140
Views: 76,172
Posted By AmigaHope
2 years is too short a cycle, 4-5 years is much...

2 years is too short a cycle, 4-5 years is much more reasonable. 7 years is way too long.



That has a lot to do with the crappy all-over-the-place design of IBM upgrades/clones in the...
Forum: support.Demos 06 April 2020, 06:30
Replies: 9
Views: 876
Posted By AmigaHope
...but the best trackmo will always be One Finger...

...but the best trackmo will always be One Finger by Reality =D

https://youtu.be/tJLBOzITn_c?t=7
Forum: support.Demos 04 April 2020, 11:36
Replies: 9
Views: 876
Posted By AmigaHope
True but they were mostly short loops of...

True but they were mostly short loops of RLE-encoded 1-bpp animations, or very simple vector figures.

People dissed on State of the Art because it had only one real effect (vectorized video...
Forum: support.Games 04 April 2020, 11:12
Replies: 20
Tfx
Views: 1,010
Posted By AmigaHope
In general for best performance if you have to...

In general for best performance if you have to choose between something compiled for 68040/68060 FPU and 68882, pick 68882 as the workarounds for unimplemented instructions for 68040+ will run slower...
Forum: Nostalgia & memories 02 April 2020, 01:17
Replies: 100
Views: 11,627
Posted By AmigaHope
Oh yeah! The included novellas! I think the best...

Oh yeah! The included novellas! I think the best ones were in Hired Guns and Xenomorph.
Forum: Amiga scene 02 April 2020, 00:35
Replies: 1,140
Views: 76,172
Posted By AmigaHope
SKILL script to replace like-for-like with...

SKILL script to replace like-for-like with equivalent logic. You'd get some extra cruft and nonoptimal solutions but you could fix that up with some hand-editing.

EDIT: Should point out that I am...
Forum: Retrogaming General Discussion 02 April 2020, 00:29
Replies: 43
Views: 2,551
Posted By AmigaHope
Yes, this would be doable, though to get the...

Yes, this would be doable, though to get the level of animation of say, One Finger Death Punch, it would still eat a lot of memory. It's obviously completely unoptimized for space, but OFDP is still...
Forum: Retrogaming General Discussion 01 April 2020, 20:36
Replies: 43
Views: 2,551
Posted By AmigaHope
This? https://www.youtube.com/watch?v=DkTusCSLrNU...

This? https://www.youtube.com/watch?v=DkTusCSLrNU

A) Entirely premodeled (no dynamic geometry)

B) Rendered at quarter resolution.

C) Framerate not playable for an action game.
Forum: New to Emulation or Amiga scene 01 April 2020, 19:56
Replies: 34
Views: 2,454
Posted By AmigaHope
Yeah that just executes the program and opens a...

Yeah that just executes the program and opens a bare-bones CON: if needed for standard output.

As you build more complex software you'll get to know the Amiga HUNK executable format (equivalent to...
Forum: support.Hardware 01 April 2020, 19:45
Replies: 9
Views: 339
Posted By AmigaHope
Check that MaxTransfer on your IDE partitions are...

Check that MaxTransfer on your IDE partitions are 0xFE00, most hard drives work fine with 0x1FE00 (255x512), but many flash cards only work with 0xFE00 (127x512) transfer sizes.

Also be aware that...
Forum: Amiga scene 01 April 2020, 19:31
Replies: 1,140
Views: 76,172
Posted By AmigaHope
By 1990 the conversion could already be done...

By 1990 the conversion could already be done automatically in Cadence probably some other software packages too. Not even monkey work, just clicking a button and then doing some hand optimizations to...
Forum: Retrogaming General Discussion 01 April 2020, 19:05
Replies: 34
Views: 991
Posted By AmigaHope
My favorite game mechanic in shmups is that you...

My favorite game mechanic in shmups is that you lose your powerups if destroyed, but your dead ship spits out the powerups across the screen and gives you a chance to collect them again. You...
Forum: Retrogaming General Discussion 01 April 2020, 19:03
Replies: 14
Views: 452
Posted By AmigaHope
I used the Golden Image mouse for about a decade...

I used the Golden Image mouse for about a decade before it broke and I switched to an image-sensing optical mouse. The GI mouse was great.

A lot of people don't realize that optical mice were a...
Forum: support.Demos 01 April 2020, 19:00
Replies: 9
Views: 876
Posted By AmigaHope
Amiga basically invented the Bad Apple demo with...

Amiga basically invented the Bad Apple demo with State of the Art. =P
Forum: support.Hardware 01 April 2020, 18:52
Replies: 20
Views: 1,042
Posted By AmigaHope
By the way I highly recommend you read my thread...

By the way I highly recommend you read my thread here:

http://eab.abime.net/showthread.php?t=101222

The A3000 SCSI controller is basically the best-case scenario for system-level write caching...
Forum: support.Hardware 01 April 2020, 17:50
Replies: 20
Views: 1,042
Posted By AmigaHope
I wouldn't call matching exactly 7 memory...

I wouldn't call matching exactly 7 memory addresses an "alignment issue". xD

I suppose you could do 0xE0FFFFFC to exclude accelerator memory and rely on memory allocation priority to pick Z3...
Forum: support.Hardware 01 April 2020, 16:57
Replies: 9
Views: 270
Posted By AmigaHope
This is more of a cover-your-ass blanket...

This is more of a cover-your-ass blanket statement rather than 100% accurate.

In practice the Megachip will work fine with any well-behaved expansion. It only fails to work properly with...
Forum: Retrogaming General Discussion 01 April 2020, 16:32
Replies: 43
Views: 2,551
Posted By AmigaHope
This depends on whether the "dance" is only...

This depends on whether the "dance" is only displaying individual frames of the model or if there are multiple motion vectors being calculated for the body parts.

Any static physical "object"...
Forum: Amiga scene 29 March 2020, 14:12
Replies: 1,140
Views: 76,172
Posted By AmigaHope
Obsolete fabs still have a lifetime, after which...

Obsolete fabs still have a lifetime, after which they're competing with other obsolete-but-newer fabs that are also paid off and essentially have the same operating costs to produce a much better...
Forum: Nostalgia & memories 29 March 2020, 12:35
Replies: 76
Views: 3,741
Posted By AmigaHope
There were always flaws/exploits in various...

There were always flaws/exploits in various systems. Old ones would be patched, new ones would become available. There were hundreds of ways you could do it and points all along the chain you could...
Forum: New to Emulation or Amiga scene 29 March 2020, 11:56
Replies: 34
Views: 2,454
Posted By AmigaHope
Boot to workbench, open main workbench folder,...

Boot to workbench, open main workbench folder, double click on shell to get a shell.

Amiga shells work as terminal emulator devices. The "Shell" icon you doubleclicked opens a terminal emulator to...
Forum: Amiga scene 27 March 2020, 08:27
Replies: 1,140
Views: 76,172
Posted By AmigaHope
The CD32 didn't even need 2M of fast RAM. just a...

The CD32 didn't even need 2M of fast RAM. just a *SINGLE MEG* of fast RAM would have given plenty of room for code to run in. Make the CPU 28Mhz (an inexpensive part as another poster has mentioned),...
Forum: Amiga scene 27 March 2020, 08:13
Replies: 17
Views: 1,050
Posted By AmigaHope
This. A good disk cache steps out of the way in...

This. A good disk cache steps out of the way in low memory situations but ensures that memory that is just sitting there gets used for other useful purposes. AmigaOS's flat memory model means you...
Forum: Retrogaming General Discussion 25 March 2020, 15:23
Replies: 43
Views: 2,551
Posted By AmigaHope
Vertex calculation *is* tons of multiplication,...

Vertex calculation *is* tons of multiplication, unless you're using just lookup tables. You can store all "frames of animation" of a 3D fighter in tables and perform one set of vertex calculations...
Forum: support.Games 23 March 2020, 04:25
Replies: 63
Views: 2,268
Posted By AmigaHope
The key is to twiddle the bits on the MFM level....

The key is to twiddle the bits on the MFM level. There can only be a run of 3 flux levels in a row, and a bad spot on the disk will usually show up as a spot with a flux level out of character with...
Forum: support.Games 22 March 2020, 20:00
Replies: 63
Views: 2,268
Posted By AmigaHope
If the errors aren't too bad you can even brute...

If the errors aren't too bad you can even brute force CRC collisions to try to recover the original sector (flip all bits in area with bad flux until you get a valid sector). Unless the track was...
Forum: support.Hardware 22 March 2020, 14:57
Replies: 15
Views: 502
Posted By AmigaHope
Wow a Rev 3. That's a rare bird.

Wow a Rev 3. That's a rare bird.
Forum: Retrogaming General Discussion 22 March 2020, 14:54
Replies: 8
Views: 456
Posted By AmigaHope
You'd have the same problem with the Doom engine....

You'd have the same problem with the Doom engine. Just importing flat textures would look butt ugly compared to the angle/distance specific tilemapping in the original games.
Forum: Retrogaming General Discussion 22 March 2020, 02:17
Replies: 43
Views: 2,551
Posted By AmigaHope
Well, yeah, the power of the hardware doesn't...

Well, yeah, the power of the hardware doesn't mean a port isn't DOABLE, but, well...

https://www.youtube.com/watch?v=pmP2VjHwzEI
Forum: Retrogaming General Discussion 22 March 2020, 00:41
Replies: 43
Views: 2,551
Posted By AmigaHope
There's a fundamental bandwidth limitation using...

There's a fundamental bandwidth limitation using the Amiga chipset though that eats a huge chunk of your CPU time when you're trying to render fullscreen 3D.



This would actually be fairly...
Forum: Retrogaming General Discussion 22 March 2020, 00:08
Replies: 8
Views: 456
Posted By AmigaHope
Grimrock engine doesn't use voxels, so you'd have...

Grimrock engine doesn't use voxels, so you'd have to make the textures into 3D objects. All the drawn 3D elements would have to be converted into 3D and at that point using the original texture for...
Forum: Amiga scene 21 March 2020, 21:03
Replies: 42
Views: 1,433
Posted By AmigaHope
You could make sound emulation on the ST stupidly...

You could make sound emulation on the ST stupidly fast with a limited form of JIT that just handled sound code and directly translated the AY register banging.
Forum: Amiga scene 21 March 2020, 13:46
Replies: 42
Views: 1,433
Posted By AmigaHope
Actually, on further thought, you would have to...

Actually, on further thought, you would have to do copper tricks anyway because the Speccy's bitmap layout is weird (scanlines are staggered in memory).

...but thinking even further, there could...
Forum: Amiga scene 21 March 2020, 10:52
Replies: 42
Views: 1,433
Posted By AmigaHope
You could probably get a pretty good emulation...

You could probably get a pretty good emulation going if you had the emulated CPU just write to a monochrome bitmap and completely ignored the Speccy's color map. I don't know what happens if you tell...
Forum: Retrogaming General Discussion 21 March 2020, 10:41
Replies: 76
Views: 3,728
Posted By AmigaHope
Elite: Dangerous is great, but I'd argue its...

Elite: Dangerous is great, but I'd argue its combat is more arcadey than Frontier. The main reason is that E: D enforces local speed limits whereas Frontier keeps things real. They did this because...
Forum: Retrogaming General Discussion 21 March 2020, 10:30
Replies: 8
Views: 456
Posted By AmigaHope
You could, but they wouldn't look very good....

You could, but they wouldn't look very good. Grimrock's dungeon walls are 3D objects. Dungeon Master uses different tiles depending on the angle you're looking at (straight-on, or 90 degrees, +...
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