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Forum: Coders. Asm / Hardware 13 November 2019, 13:43
Replies: 12
Views: 452
Posted By alexh
I thought it was an interesting thing because...

I thought it was an interesting thing because I've never knowingly seen "unlk sp" in any disassembly I've come across (but then I've not seen a lot and I wasn't actively looking).

But potentially...
Forum: Coders. Asm / Hardware 13 November 2019, 00:16
Replies: 12
Views: 452
Posted By alexh
FX68K a SystemVerilog open source synthesisable...

FX68K a SystemVerilog open source synthesisable cycle accurate 68000 reimplementation. Used originally in FXCast a cycle accurate Atari ST reimplementation for FPGA but now in lots of other...
Forum: Coders. Asm / Hardware 12 November 2019, 11:41
Replies: 12
Views: 452
Posted By alexh
unlk sp

Just something which I came across today, a 68000 re-implementation which fails Toni's cputest with opcode 0x4e5f (unlk SP)

Is that a valid operation?

I've only ever used this instruction...
Forum: Retrogaming General Discussion 28 October 2019, 21:43
Replies: 23
Views: 1,023
Posted By alexh
It's what someone is willing to pay for them. I...

It's what someone is willing to pay for them. I wouldn't pay £50 for an A500 as they made millions of them and they are very common. But people do....
Forum: support.Hardware 22 October 2019, 23:58
Replies: 26
Views: 1,791
Posted By alexh
There's nothing after 2.04 but people ripped the...

There's nothing after 2.04 but people ripped the bonus code from the existing soft kick-starts and made several flavours of KS 3.1 but they use the 2.x partition and you sacrifice the use of 2.04 (no...
Forum: support.Hardware 22 October 2019, 16:04
Replies: 58
Views: 1,592
Posted By alexh
I'm sure that the PIO2 mod works fine with...

I'm sure that the PIO2 mod works fine with A3640@25MHz and A3660@50MHz.

Perhaps your A3640 is overclocked? Even then I think it works fine.

I think you should talk to Cosmos and maybe he can...
Forum: Coders. Asm / Hardware 03 October 2019, 18:45
Replies: 31
Views: 2,082
Posted By alexh
I think he was implying that some systems with a...

I think he was implying that some systems with a "6502" series CPU lacked the RAM of later systems like C64 which in turn limited the programmers need to always get the best out of the 6502.

This...
Forum: Coders. Asm / Hardware 03 October 2019, 08:44
Replies: 31
Views: 2,082
Posted By alexh
Surely the "best" 68000 coders were on the Atari...

Surely the "best" 68000 coders were on the Atari ST platform,? They had to do much more with the CPU than other platforms to make up for the lack of custom chips and count cycles all the time to work...
Forum: support.Hardware 27 September 2019, 17:19
Replies: 5
Views: 253
Posted By alexh
Use a dual-CF->IDE adapter and use the Wifi-CF...

Use a dual-CF->IDE adapter and use the Wifi-CF card in the non-boot card slot formatted Fat32?

You'll need a way to install fat95 in Workbench first.

http://aminet.net/package/disk/misc/fat95
...
Forum: support.Hardware 26 September 2019, 23:13
Replies: 5
Views: 251
Posted By alexh
Some A600s have an issue where they get sound...

Some A600s have an issue where they get sound distortion when using PCMCIA, it's more common so perhaps Google that? Stuff like an ethernet card, RAM or Compact Flash adapter. It also makes the...
Forum: Nostalgia & memories 23 September 2019, 13:11
Replies: 6
Views: 829
Posted By alexh
The credits say it was "Implemented" by Allister...

The credits say it was "Implemented" by Allister Brimble rather than composed presumably because the music was composed by the original film musicians?
Forum: support.Hardware 19 September 2019, 17:40
Replies: 140
Views: 18,835
Posted By alexh
As with all Zorro things, if in doubt, whip out...

As with all Zorro things, if in doubt, whip out all the other cards. If the ZZ9000 is your only Zorro card then never mind.

My P4 never worked well in the Video Slot Zorro if other cards were in a...
Forum: support.Hardware 16 September 2019, 19:09
Replies: 24
Views: 1,170
Posted By alexh
As an A3000 user definitely worth familiarising...

As an A3000 user definitely worth familiarising yourself with the work of user SpeedGeek, he's done the most work to improve the performance of stock and accelerated A3000s.

Whatever accelerator...
Forum: Retrogaming General Discussion 16 September 2019, 18:38
Replies: 12
Views: 1,014
Posted By alexh
As already discussed it requires a PPC and a true...

As already discussed it requires a PPC and a true 3D GFX card. No way AmiCraft is coming to a CD32 near you ever.
Forum: Retrogaming General Discussion 11 September 2019, 12:21
Replies: 15
Views: 735
Posted By alexh
If you have a Wii U then surely install the...

If you have a Wii U then surely install the WiiUBru Homebrew Launcher and Appstore?

The CPU in the WiiU is more powerfull than the Wii and has Retr0Arch
Forum: Retrogaming General Discussion 10 September 2019, 10:20
Replies: 36
Views: 2,115
Posted By alexh
Yeah. ...

Yeah.

http://www..com/file/eqlgx1t0vsl0r6n/z80_to_6809_15.c.zip/file
Forum: Retrogaming General Discussion 09 September 2019, 18:28
Replies: 36
Views: 2,115
Posted By alexh
A guy called Glen Hewlett re-sourced the PacMan...

A guy called Glen Hewlett re-sourced the PacMan Z80 code into to 6809 (which I believe is a variant of the 6502?) in an attempt to faithfully bring PacMan to the CoCo3 (unlike the link above which is...
Forum: HOL data problems 28 August 2019, 15:53
Replies: 1
Views: 380
Posted By alexh
I didn't know this. Off topic I've always wanted...

I didn't know this. Off topic I've always wanted to know who compiled the Thalion CD32 games for Unique (aka Grandslam). It certainly wasn't any of the normal Thalion team.
Forum: Amiga scene 14 August 2019, 15:05
Replies: 28
Views: 2,841
Posted By alexh
Wow. I can't believe anyone could pull this off...

Wow. I can't believe anyone could pull this off for 10 years!! The guy who did the endtro to Jesus was a regular at our computer club back in the day. We weren't friends but I told other scene people...
Forum: support.Hardware 04 July 2019, 09:29
Replies: 12
Views: 601
Posted By alexh
The cheapest ROM switcher for A2000 is without a...

The cheapest ROM switcher for A2000 is without a doubt no switcher at all... just a 27C800 oversized EPROM and then connect 3-wires to 3 legs of the chip and a 3-way switch.
...
Forum: HOL data problems 16 June 2019, 21:15
Replies: 3
Views: 917
Posted By alexh
The crack intro says that the disk(s) came from...

The crack intro says that the disk(s) came from BRUME the coordinator of Atari Legend and extreme collector of anything ST like. But an STX of the original disks would have been nice
Forum: Retrogaming General Discussion 16 June 2019, 21:00
Replies: 34
Views: 2,292
Posted By alexh
Shadow of the Beast 1 was my favourite. It had...

Shadow of the Beast 1 was my favourite. It had that WOW factor over everything else when you walked into the shops and saw it playing in attract mode. The David Whittaker music is amazing (not to say...
Forum: support.Hardware 10 June 2019, 10:28
Replies: 40
Views: 2,572
Posted By alexh
It was in the OP that he already did that

It was in the OP that he already did that
Forum: Retrogaming General Discussion 22 May 2019, 16:43
Replies: 47
Views: 2,580
Posted By alexh
Other good RPGs Legends of Valour...

Other good RPGs

Legends of Valour (http://hol.abime.net/866)
Captive (http://hol.abime.net/2927)
Liberation (Captive II) (http://hol.abime.net/883)
Forum: Retrogaming General Discussion 22 May 2019, 13:29
Replies: 47
Views: 2,580
Posted By alexh
No. The WHDload version is IMO a waste of time....

No. The WHDload version is IMO a waste of time. WHDload installs are to add HD install capability and to make it work with faster processors, fix bugs. But the original v1.07 (English) had a built in...
Forum: Retrogaming General Discussion 22 May 2019, 11:58
Replies: 47
Views: 2,580
Posted By alexh
Dungeon Master would be my preferred game to play...

Dungeon Master would be my preferred game to play first. The game is so immersive and fun and the benchmark for all other dungeon crawling RPG games.

You should definitely play Amberstar before...
Forum: Hardware mods 15 May 2019, 16:42
Replies: 6
Views: 956
Posted By alexh
Cool. I bought mine from Nicolas Welt long time...

Cool. I bought mine from Nicolas Welt long time ago

http://vic-20.de/x1541/hardware/a570ram.html
Forum: OT - General 03 May 2019, 13:08
Replies: 5
Views: 933
Posted By alexh
Sponsorship for old skool retr0geek

This is really off topic but as a regular contributor to the forum I thought it might be ok.

Being the super typical hw hacker dude in his bedroom I've always been a bit chunky but in 2009 I...
Forum: Hardware mods 26 April 2019, 16:57
Replies: 79
Views: 10,318
Posted By alexh
The SX1/SX32 riser did not have logic chips on...

The SX1/SX32 riser did not have logic chips on the riser they had them on the SX1/SX32 main board plugged in.

Possibly using unused or not needed (for SX1/SX32) I/O on the riser connector?
...
Forum: Hardware mods 25 April 2019, 15:25
Replies: 79
Views: 10,318
Posted By alexh
ZorroIII? Is that a typo? Surely? It will be...

ZorroIII? Is that a typo? Surely? It will be FastRAM not ZorroIII
Forum: Hardware mods 24 April 2019, 13:21
Replies: 79
Views: 10,318
Posted By alexh
It will be faster due to the nature it is PIO and...

It will be faster due to the nature it is PIO and a faster CPU means faster IDE.

I imagine they could implement PIO2 if they are not already.
Forum: Retrogaming General Discussion 10 April 2019, 12:26
Replies: 17
Views: 908
Posted By alexh
I'd say bootblock viruses must have been...

I'd say bootblock viruses must have been considerably more prevalent on the AtariST scene. Mainly because of the way they did their cracks. The "menu" disks were (most of the time) normal OS disks...
Forum: support.Apps 02 April 2019, 18:56
Replies: 25
Views: 2,176
Posted By alexh
I am not an AmigaOS 3.1.4 user so I am wondering...

I am not an AmigaOS 3.1.4 user so I am wondering did they fix any of the performance issues of FFS in 3.1.4?

PFS3 and SFS offer a huge performance increase over FFS from 3.1
Forum: MarketPlace 02 April 2019, 11:33
Replies: 22
Views: 2,063
Posted By alexh
It's the same card without a heatsink so...

It's the same card without a heatsink so underclocked to 333MHz vs 400MHz for M1.

333MHz is better than 0MHz?

It still works on Amiga.
Forum: project.CD32 Conversion 02 April 2019, 11:27
Replies: 39
Views: 3,135
Posted By alexh
I think the majority of CD32 users would really...

I think the majority of CD32 users would really want Turrican(2) more than any other title?

If you wanted to do something different perhaps some of the "placeholder" CDDA music could be from...
Forum: MarketPlace 01 April 2019, 20:54
Replies: 22
Views: 2,063
Posted By alexh
Not mine but : ...

Not mine but :

https://www.ebay.co.uk/itm/Killer-K1-Network-adapter/312514441881
Forum: project.CD32 Conversion 01 April 2019, 20:40
Replies: 39
Views: 3,135
Posted By alexh
Nice work. Out of curiosity where did the...

Nice work.

Out of curiosity where did the CDDA come from?

If the CD32 version was the ECS disk version converted to run from CD presumably it had no CDDA?

Sampled from an Amiga playing the...
Forum: support.Hardware 25 March 2019, 13:16
Replies: 41
Views: 7,477
Posted By alexh
It's quite easy (albeit not cheap) to find...

It's quite easy (albeit not cheap) to find A3000/A4000 040 accelerators which you can convert into 060 accelerators using the numerous adapters that have been made over the last few years.

Not to...
Forum: support.Hardware 25 March 2019, 12:56
Replies: 41
Views: 7,477
Posted By alexh
Typically the later the revision of DDR the...

Typically the later the revision of DDR the higher the bandwidth but the much higher the latency.

I guess it really depends on the RAM traffic profile of the Amiga (I imagine it is not...
Forum: Retrogaming General Discussion 15 March 2019, 16:04
Replies: 35
Views: 2,005
Posted By alexh
https://www.amedia-computer.com/fr/cdrom/42-battle...

https://www.amedia-computer.com/fr/cdrom/42-battle-squadron-version-collector-deluxe.html

The port is done by Daniel 'Daytona675x' Muessener who did the OS4 port of Tower-57
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