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Forum: Retrogaming General Discussion 14 May 2018, 16:53
Replies: 13
Views: 475
Posted By drHirudo
Previous is just the Hatari emulator in disguise....

Previous is just the Hatari emulator in disguise. NeXT step is pretty easy to emulate, if not easier than the mediocre Atari ST hardware.
I didn't code and port stuff to the Amiga for a long time,...
Forum: Coders. Asm / Hardware 24 April 2018, 18:12
Replies: 8
Views: 330
Posted By drHirudo
I've used AHX for many games on the Amiga, that I...

I've used AHX for many games on the Amiga, that I later ported with ease to other platforms (PC, Mac). I even used the AHX for sound effects etc..
One example of the AHX player used in Amiga game:...
Forum: Retrogaming General Discussion 16 April 2018, 15:09
Replies: 3,786
Views: 551,947
Posted By drHirudo
I am playing right now Lode Runner for the...

I am playing right now Lode Runner for the classic B&W Macintosh. The Macintosh port even if crappier than the other ports, still have than 16-bit feel of the game. Currently at level 104. Only 46...
Forum: Retrogaming General Discussion 02 April 2018, 12:53
Replies: 3,786
Views: 551,947
Posted By drHirudo
Just finished Defender of the Crown for ... Apple...

Just finished Defender of the Crown for ... Apple Macintosh. Mostly very crappy black and white graphics (dithered from the Amiga originals I guess), and horrible music (sounds), but there are also...
Forum: Retrogaming General Discussion 29 March 2018, 09:24
Replies: 18
Views: 721
Posted By drHirudo
For the record probably the worst Tetris clone...

For the record probably the worst Tetris clone for Amiga was done by me back in 2002. It's called Colorix - http://www.mobygames.com/game/colorix_ and it is written in 100% OS friendly code. It...
Forum: Retrogaming General Discussion 29 March 2018, 09:19
Replies: 3,786
Views: 551,947
Posted By drHirudo
Just completed Defender of The Crown for ......

Just completed Defender of The Crown for ... Apple IIGS. Much crappier graphics and music, but I saw there was no longplay on YouTube, so I will make one and upload it soon.
Edit: Link to the...
Forum: Nostalgia & memories 22 March 2018, 10:40
Replies: 1,857
Views: 243,140
Posted By drHirudo
There is a whole thread on EAB regarding the...

There is a whole thread on EAB regarding the kickstart image, that includes answer from Sheryl Knowles herself. Go read it here -> http://eab.abime.net/showthread.php?t=33145&page=3
Forum: Nostalgia & memories 02 March 2018, 13:52
Replies: 1,857
Views: 243,140
Posted By drHirudo
There is also the .adz format, which is better...

There is also the .adz format, which is better than DMS and more portable.

From Wikipedia on Amiga Disk File (https://en.wikipedia.org/wiki/Amiga_Disk_File)

I remember being able to directly...
Forum: Coders. System 16 February 2018, 16:25
Replies: 14
Views: 1,454
Posted By drHirudo
Thanks for the links. I used Pascal only on...

Thanks for the links. I used Pascal only on 8-bits, but can try to compile it on Amiga. I hope HiSoft Pascal would do the job.

If CP/M is ported naively to Amiga, it would mean all 68K CP/M...
Forum: Nostalgia & memories 02 February 2018, 16:04
Replies: 1,857
Views: 243,140
Posted By drHirudo
Does compression of data on Amiga DD disks gives...

Does compression of data on Amiga DD disks gives loading speed advance versus the same data written uncompressed on disk?


For example what is the difference between 128 KB data loaded, vs 64 KB...
Forum: Retrogaming General Discussion 08 January 2018, 08:21
Replies: 47
Views: 1,845
Posted By drHirudo
Retro Computer Enthusiast.

Retro Computer Enthusiast.
Forum: request.Music 22 December 2017, 10:47
Replies: 4
Views: 548
Posted By drHirudo
You can even import and edit .xm modules on Amiga...

You can even import and edit .xm modules on Amiga with Digi Booster. Requires fast processor though if you use more than 8 channels.
Forum: Nostalgia & memories 08 December 2017, 14:12
Replies: 147
Views: 13,013
Posted By drHirudo
This happened in the Atari land with the ST (The...

This happened in the Atari land with the ST (The Jackintosh). Both Macs and Atari's used mostly off the shelf parts - one of them succeeded, the other miserably failed.
Forum: Coders. System 08 December 2017, 14:04
Replies: 14
Views: 1,454
Posted By drHirudo
Yes, CP/M (Z80) games exist. But 68K CP/M games...

Yes, CP/M (Z80) games exist. But 68K CP/M games are another story. I am not sure if you can find many. On this note, here is a game that I wrote many years ago for CP/M:
...
Forum: Coders. System 08 December 2017, 12:51
Replies: 14
Views: 1,454
Posted By drHirudo
CP/M 68K games? Please give me :D

CP/M 68K games? Please give me :D
Forum: Coders. System 08 December 2017, 12:50
Replies: 14
Views: 1,454
Posted By drHirudo
That's what I was thinking too. Use the AmigaOS...

That's what I was thinking too. Use the AmigaOS for the Disk I/O and the Amiga shell for the console output. There are already VT52 emulators available for Amiga -...
Forum: Coders. System 08 December 2017, 11:07
Replies: 14
Views: 1,454
Posted By drHirudo
Porting CP/M to Amiga?

The sources of CP/M 68K were released long time ago - http://www.cpm.z80.de/source.html

As a long time fan of CP/M (since 1991) it will be nice having it on the Amiga How feasible it is to port it...
Forum: Coders. General 08 December 2017, 08:37
Replies: 40
Views: 4,456
Posted By drHirudo
Chunky modes were possible on Amiga with the...

Chunky modes were possible on Amiga with the custom chips, but they were very low-res (lower than 8 bit computers).

Ambermoon used hybrid chunky mode for the floor/ceilings.
There is also a...
Forum: Amiga scene 07 December 2017, 13:01
Replies: 545
Views: 53,140
Posted By drHirudo
I saw some of the new Amstrad CPC games and I see...

I saw some of the new Amstrad CPC games and I see they are good candidates for Amiga ports, and since the authors are easily contactable, it's also easy to get hold of the source codes. When I ported...
Forum: Amiga scene 07 December 2017, 12:55
Replies: 545
Views: 53,140
Posted By drHirudo
Thumbs up I like the idea of the game. Graphics are okay,...

I like the idea of the game. Graphics are okay, music fits the theme and the scrolling is good.

Regarding the YouTube comments. Don't be mad bro. I've released much worse games before and...
Forum: Coders. Blitz Basic 07 December 2017, 12:24
Replies: 46
Views: 6,588
Posted By drHirudo
Streets of Rage to run properly on Amiga 500, I...

Streets of Rage to run properly on Amiga 500, I think the Sega Mega Drive version is way too high to achieve enjoyable gameplay conversion.
Better aim for the Game Gear version of the game, that is...
Forum: Nostalgia & memories 07 December 2017, 09:05
Replies: 147
Views: 13,013
Posted By drHirudo
Amiga with 32 MB RAM in 1985 would be even...

Amiga with 32 MB RAM in 1985 would be even hotter. But according to memory prices in 1985 from http://jcmit.net/memoryprice.htm it would have costed 32*300 = 9600$ for the memory alone (Not that...
Forum: Retrogaming General Discussion 06 December 2017, 08:21
Replies: 12
Views: 500
Posted By drHirudo
Defender of the Crown - Horse. Superfrog -...

Defender of the Crown - Horse.
Superfrog - small green buddy.
Forum: Retrogaming General Discussion 01 December 2017, 15:22
Replies: 42
Views: 1,695
Posted By drHirudo
Yes, I also remember TFMX being 7 channels, but...

Yes, I also remember TFMX being 7 channels, but then I looked into this screenshot
https://de.wikipedia.org/wiki/TFMX#/media/File:TFMX-Trackstep.png
And there are 8 channels.
Forum: Nostalgia & memories 01 December 2017, 09:27
Replies: 1,857
Views: 243,140
Posted By drHirudo
Thanks everyone for the explanation. Really...

Thanks everyone for the explanation. Really useful and in depth. As I was understanding it and especially why it's called sub pixel and not half-pixel for example is: The picture is scrolled 25...
Forum: Retrogaming General Discussion 30 November 2017, 21:32
Replies: 42
Views: 1,695
Posted By drHirudo
With lots of CPU power even the 1-bit DAC PC...

With lots of CPU power even the 1-bit DAC PC speaker can do wonders. And the Amiga with the good old Paula can replay Second Reality demo music with ease. DigiBooster was doing real time 32 channel...
Forum: support.Games 30 November 2017, 09:16
Replies: 46
Views: 3,538
Posted By drHirudo
Galahad - but it was an intended piracy...

Galahad - but it was an intended piracy protection that made the game unbeatable if you pirated it. There was a platform where you can't jump over it if you didn't play from original.
Pang - no...
Forum: Retrogaming General Discussion 30 November 2017, 08:29
Replies: 42
Views: 1,695
Posted By drHirudo
The SAM Coupe has the best sound of all these and...

The SAM Coupe has the best sound of all these and it's not the crappy AY. The SAM Coupe sound chip is even better than the C64 SID - Philips SAA1099 (https://en.wikipedia.org/wiki/Philips_SAA1099)....
Forum: Nostalgia & memories 29 November 2017, 14:00
Replies: 1,857
Views: 243,140
Posted By drHirudo
How is sub-pixel scrolling on Amiga achieved?...

How is sub-pixel scrolling on Amiga achieved? Does it really exist or it's just an urban myth?
Forum: Retrogaming General Discussion 29 November 2017, 08:36
Replies: 42
Views: 1,695
Posted By drHirudo
The Amstrad CPC can replay up to 9 channels music...

The Amstrad CPC can replay up to 9 channels music
https://www.youtube.com/watch?v=0F1FDDwgJxY

Is this the ultra super duper utilized DMA? To send data from 9 memory spots to the audio chip that...
Forum: Retrogaming General Discussion 22 November 2017, 14:39
Replies: 20
Views: 2,471
Posted By drHirudo
The Amstrad CPC is a very nice machine. One of...

The Amstrad CPC is a very nice machine. One of the best 8-bits - even better than the C64, but not better than the Sam Coupe. And the GX 4000 is even nicer, but as game console is didn't succeed well...
Forum: Nostalgia & memories 21 November 2017, 16:09
Replies: 147
Views: 13,013
Posted By drHirudo
Basic A500 config gives you the widest audience....

Basic A500 config gives you the widest audience. If something works for A500, it will work on A600, A1200, A2000, A3000, A4000. While if you make the game for Amiga A1200, it will not work on A600,...
Forum: support.WinUAE 21 November 2017, 10:26
Replies: 28
Views: 1,491
Posted By drHirudo
You can try ShapeShifter or Fusion on WinUAE. I...

You can try ShapeShifter or Fusion on WinUAE. I guess it may perform better than some of the Mac emulators out there. After all there was never 68060 based Macintosh, but there is 68060 ShapeShifted...
Forum: Nostalgia & memories 17 November 2017, 11:31
Replies: 30
Views: 1,940
Posted By drHirudo
Obsession Pinball is also very good, even if it...

Obsession Pinball is also very good, even if it is an Atari STE game port. I remember playing the demo from Amiga Power for hours. That demo was working only with 1MB chip RAM, so I had to obtain...
Forum: Nostalgia & memories 13 November 2017, 13:51
Replies: 1,857
Views: 243,140
Posted By drHirudo
Why Amiga 1000 CPU clock rate is only 7.14 MHz,...

Why Amiga 1000 CPU clock rate is only 7.14 MHz, while the Atari ST managed to get it to 8 MHz. What prevented the Amiga starting at 8 MHz? Did C= save another 0.5$ on quartz generator for the TV...
Forum: support.Apps 06 November 2017, 22:05
Replies: 2
Views: 280
Posted By drHirudo
I was doing something similar and I did it with...

I was doing something similar and I did it with Personal Paint.
Forum: Amiga scene 06 November 2017, 09:24
Replies: 4
Views: 729
Posted By drHirudo
WLA-DX is the best SNES assembler on Amiga. I've...

WLA-DX is the best SNES assembler on Amiga. I've coded a SNES game with it. It also supports many other architectures, so you can easily get used with it and program for different platform with same...
Forum: Amiga scene 27 October 2017, 15:49
Replies: 79
Views: 12,333
Posted By drHirudo
For porting it depends really of how much the...

For porting it depends really of how much the games are using specific hardware. Only the 680x0 processors are shared between the machines, so you can use the code (main logic) to some extend, but...
Forum: News 26 October 2017, 18:48
Replies: 9
Views: 1,612
Posted By drHirudo
Yes, and this post is a continuation of my post...

Yes, and this post is a continuation of my post that Amiga still have the most impressive homebrew scene. Now, all the people who said they can't code/paint/compose/write docs, still can contribute...
Forum: News 26 October 2017, 16:51
Replies: 9
Views: 1,612
Posted By drHirudo
impsbru - A impossible shapes logic game for Amiga

impsbru - A impossible shapes logic game for Amiga
https://www.youtube.com/watch?v=NkOGg6DzgIs

Released at RetroKomp / LOAD ERROR 2017 where it came second.
Download -...
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