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Forum: Coders. Tutorials Today, 01:44
Replies: 26
Views: 8,456
Posted By Photon
Yes, this is the oldest routine then, modify as...

Yes, this is the oldest routine then, modify as you like. It was mostly because I couldn't quickly see a runnable routine with Rawkey LUT linked.

I did a search through my later source backups...
Forum: Coders. Asm / Hardware Yesterday, 18:04
Replies: 12
Views: 268
Posted By Photon
Yes, if BLTPRI is off, control will return to the...

Yes, if BLTPRI is off, control will return to the CPU after a few cycles (and will then execute the instructions that measure the blit time prematurely).

Blitwaits must always precede a blit. For...
Forum: Coders. Tutorials Yesterday, 17:55
Replies: 26
Views: 8,456
Posted By Photon
#ChkKey.S here...

#ChkKey.S here (http://coppershade.org/asmskool/SOURCES/Photon-old-snippets/) is a keyboard routine with a RawKey LUT, if it helps someone.

I'm not 100% sure this routine is compatible with A2000...
Forum: support.Apps Yesterday, 15:50
Replies: 5
Views: 109
Posted By Photon
Welcome :) 192.168.178.1 - is that the...

Welcome :)

192.168.178.1 - is that the gateway/router? (Just it's normally .0.1 or .1.1 or .2.1)

If that gives no timeout then you should be able to ping the host PC (cmd > ipconfig /all).
...
Forum: Hardware mods Yesterday, 15:41
Replies: 11
Views: 1,213
Posted By Photon
This is brilliant. :) I don't have an A500+...

This is brilliant. :) I don't have an A500+ because of the "no internal fastmem possible*" problem. Not even Jens' ACE2 solves that. But you did! So I might get one and one of these. How do I order?...
Forum: Coders. Asm / Hardware Yesterday, 15:17
Replies: 12
Views: 268
Posted By Photon
First, check that BLTPRI is on. (It must be on in...

First, check that BLTPRI is on. (It must be on in order to fit as many blits as possible in a frame.)

And if it's on, chances are you are not waiting for the Blitter. I.e. the CPU doesn't get...
Forum: Retrogaming General Discussion Yesterday, 02:52
Replies: 22
Views: 546
Posted By Photon
The options are planned so that devs may tally...

The options are planned so that devs may tally options 1, 2 and 4 later to decide whether to invest the time. There are 3 options for NTSC and only 1 for PAL because an NTSC game doesn't need to be...
Forum: support.WinUAE 21 September 2018, 19:59
Replies: 3
Views: 162
Posted By Photon
5.1 = surround sound. Possibly WinUAE can't open...

5.1 = surround sound. Possibly WinUAE can't open the sound card for its desired output, or there's an issue between the sound card and the HDMI, i.e. not necessarily WinUAE related. (I would try some...
Forum: Retrogaming General Discussion 21 September 2018, 19:20
Replies: 22
Views: 546
Posted By Photon
Hehe. I would say nationality-wise it's a Global...

Hehe. I would say nationality-wise it's a Global Amiga Board, and language-wise, the board is 100% English. So now I'm curious to see a pie chart :) But then I'd need another poll, gah... I think I...
Forum: support.Hardware 21 September 2018, 19:11
Replies: 4
Views: 110
Posted By Photon
Yeah I used to put vinyl stickers from eBay (fits...

Yeah I used to put vinyl stickers from eBay (fits both Amiga and PC) on the keys that differ. Nowadays I've apparently stopped bothering and just set US keymap :)

If you swap keyboard outright...
Forum: Retrogaming General Discussion 21 September 2018, 17:53
Replies: 22
Views: 546
Posted By Photon
I can share some results from Facebook: PAL:...

I can share some results from Facebook:

PAL: 125
NTSC: 20
EMU: 16
Converter: 3
Other:2

It's interesting that there are so few NTSC gamers on EAB! (1:26 compared to 1:6 on Facebook)
Forum: Coders. Asm / Hardware 21 September 2018, 16:20
Replies: 3
Views: 337
Posted By Photon
Be sure to check subtle differences, f.ex. with...

Be sure to check subtle differences, f.ex. with regard to status flags, and default size for individual instructions. If your Assembler supports 020+ it must also support the newer EA syntax, and...
Forum: Coders. Asm / Hardware 21 September 2018, 16:03
Replies: 4
Views: 304
Posted By Photon
That's not a conditional, though, you'd have to...

That's not a conditional, though, you'd have to poke the destination address with code calculating it from the condition.

There's the SKIP instruction, but it's of limited use.
Forum: Retrogaming General Discussion 21 September 2018, 15:36
Replies: 28
Views: 537
Posted By Photon
Lotus 2. There's just too big a penalty for...

Lotus 2. There's just too big a penalty for falling off, and too easy to fall off, in SCR. The farther you get the easier to get that 1 single miss, causing frustration.
Forum: support.Hardware 21 September 2018, 15:33
Replies: 4
Views: 110
Posted By Photon
Jope said it all, just a tip: You can make your...

Jope said it all, just a tip: You can make your own keymap with SetKey. A truly powerful tool. :great

I've made my own with some programming strings on the F-keys, etc. Very handy! But the normal...
Forum: Retrogaming General Discussion 19 September 2018, 21:18
Replies: 22
Views: 546
Posted By Photon
This is why I put Other. There are quite a few...

This is why I put Other. There are quite a few combos, f.ex. I just found out on my same poll on Facebook that someone runs a PAL Amiga in an NTSC country, with Indivision 60Hz display.

But this...
Forum: Retrogaming General Discussion 19 September 2018, 20:35
Replies: 22
Views: 546
Posted By Photon
That's excellent, and even with emulators it's...

That's excellent, and even with emulators it's still up to which games got ports - but some PAL-only games (especially non-action-intense games) could play smoothly at 60 FPS in WHDLoad with an...
Forum: Retrogaming General Discussion 19 September 2018, 19:33
Replies: 22
Views: 546
Posted By Photon
POLL: What Amigas do you game on?

We began talking in another thread (http://eab.abime.net/showthread.php?t=93607) about NTSC ports and vice versa back in the day. Or at least I started thinking and got curious. How many American...
Forum: Retrogaming General Discussion 19 September 2018, 19:25
Replies: 43
Views: 2,592
Posted By Photon
Well I do see the Amiga making a bit of a...

Well I do see the Amiga making a bit of a comeback in the USA now, whether those are NTSC Amigas or PAL Amigas on a converter to get access to all the ROMz :great I don't know. Meaning that maybe it...
Forum: support.Hardware 17 September 2018, 22:17
Replies: 7
Views: 149
Posted By Photon
Nothing. I would rub my eyes, then replace the...

Nothing. I would rub my eyes, then replace the voltmeter post haste. But I wouldn't measure voltage on the serial port, I would measure it on the PSU plinth.
Forum: Coders. Asm / Hardware 17 September 2018, 22:14
Replies: 7
Views: 500
Posted By Photon
Note that when you use the timers, your code may...

Note that when you use the timers, your code may be running so fast that the value doesn't have time to change (accelerators). And if you solve it by running them once a frame, obviously it won't be...
Forum: support.Hardware 17 September 2018, 22:09
Replies: 7
Views: 149
Posted By Photon
You don't need a heavy load like a harddisk to...

You don't need a heavy load like a harddisk to test the voltages. The +/- 12V can be 13V or so without issue, but the 5V must be within +/- 0.25V for the logic.

To me it looks like you have the...
Forum: Retrogaming General Discussion 17 September 2018, 18:13
Replies: 43
Views: 2,592
Posted By Photon
Well, as Galahad pointed out, Psygnosis is a...

Well, as Galahad pointed out, Psygnosis is a publisher. Reflections developed Shadow of the Beast, maybe also The Killing Show runs 50 FPS, don't remember.

But the point is, it's not enough to...
Forum: Retrogaming General Discussion 16 September 2018, 21:55
Replies: 43
Views: 2,592
Posted By Photon
No, I mean it's a real challenge to make an...

No, I mean it's a real challenge to make an arcade style game without slowdowns run 50 FPS, 60 FPS is that much harder. By choosing half framerate, you can release the same game for both NTSC and...
Forum: Retrogaming General Discussion 16 September 2018, 18:44
Replies: 43
Views: 2,592
Posted By Photon
That Graftgold were going in the wrong direction...

That Graftgold were going in the wrong direction and that Factor 5 could get their games to run at full framerate. :) That's why they visited.


Probably that no, triple buffering isn't always...
Forum: Retrogaming General Discussion 16 September 2018, 17:37
Replies: 6
Views: 267
Posted By Photon
Penguin Adventure on MSX(1986?) You dropped down...

Penguin Adventure on MSX(1986?) You dropped down a hole and could play a slot machine to win fish :) which you bartered for powerups.

https://www.youtube.com/watch?v=05kTZArlAtI
Forum: Coders. Asm / Hardware 15 September 2018, 20:19
Replies: 27
Views: 1,399
Posted By Photon
It can be faster for very small polygons, if the...

It can be faster for very small polygons, if the code is very optimized. But the same is true for any small blit; I think Mega Typhoon and likely other shooters use the CPU to plot bullets and...
Forum: Coders. General 15 September 2018, 20:01
Replies: 8
Views: 428
Posted By Photon
Hehe. Yes, this is asking for trouble and there...

Hehe. Yes, this is asking for trouble and there is an issue on 1.3. I think you should go by the game's requirements: if you need to load more than 2 disks of resources and if so go harddisk only.
Forum: Coders. Asm / Hardware 15 September 2018, 17:37
Replies: 22
Views: 1,641
Posted By Photon
Yes, the pics are interleaved. The rest is an...

Yes, the pics are interleaved. The rest is an example of how to incorporate ConvPCHG in your demo. (Side note: HAMLab doesn't seem to output dual copperlists, i.e. pseudo-15 bit color palette...
Forum: Retrogaming General Discussion 13 August 2018, 01:18
Replies: 42
Views: 2,078
Posted By Photon
It just doesn't ring true for me. Do what you...

It just doesn't ring true for me. Do what you want, review the ones you like even though they're not super famous. Warhead, Globulus, Jupiter's Masterdrive, lots of 3D/sim/strategy/adventure games,...
Forum: support.Hardware 12 August 2018, 22:09
Replies: 12
Views: 392
Posted By Photon
Excellent :great Then I think it will work fine...

Excellent :great Then I think it will work fine with a new PSU. If I see a random color on boot, but I can get it running after restart ("problem? there was no problem!"), then that is the symptom I...
Forum: project.Amiga Game Factory 12 August 2018, 22:01
Replies: 26
Views: 1,693
Posted By Photon
Hehe, his diary is what made me play it :) I...

Hehe, his diary is what made me play it :) I remember it as a quite difficult game. Also, a mere mention of Gribbly's Special Day Out was what made me play that. Tons of fun, and difficult towards...
Forum: support.Hardware 12 August 2018, 21:38
Replies: 36
Views: 2,411
Posted By Photon
I have only tried Cortex and HxC. My main problem...

I have only tried Cortex and HxC. My main problem with Gotek is that they're not made for Amigas; buttons, USB port and display are covered.

I like the idea of assigning favorites, but the Cortex...
Forum: support.Hardware 12 August 2018, 21:30
Replies: 12
Views: 392
Posted By Photon
I saw just the title and immediately thought,...

I saw just the title and immediately thought, "PSU". If you have another PSU, you could try it, but then I read it was an A500+ and you could very well have battery acid eating traces by the Chip RAM...
Forum: project.Amiga Game Factory 12 August 2018, 21:27
Replies: 26
Views: 1,693
Posted By Photon
Loved gamedev diaries in Zzap etc back in the day...

Loved gamedev diaries in Zzap etc back in the day :)
Forum: HOL data problems 12 August 2018, 21:26
Replies: 7
Views: 1,331
Posted By Photon
I admire the dedication to come back 1 year later...

I admire the dedication to come back 1 year later :)

There's sort of 3 platforms that cover all but a "handful" games: OCS 1MB, Stock A1200, Accelerated AGA (incl just fastmem cards). And pure...
Forum: HOL data problems 12 August 2018, 21:19
Replies: 15
Views: 799
Posted By Photon
This triggers an ancient memory... OT: the author...

This triggers an ancient memory... OT: the author ripped off someone? The musician? Coder?

Also, some demo entries have the wrong chipset requirements. We'll just have to keep reporting.

Game...
Forum: Coders. General 12 August 2018, 20:59
Replies: 117
Views: 6,403
Posted By Photon
This is what I was looking for from the question...

This is what I was looking for from the question in OP. :) Generally when you write a new routine, optimization is a process of iteration and verifying that the code change in fact reduced processing...
Forum: Retrogaming General Discussion 12 August 2018, 20:11
Replies: 42
Views: 2,078
Posted By Photon
I wouldn't mind it, but if I had ever played it I...

I wouldn't mind it, but if I had ever played it I wouldn't read the review, ofc. Probably I'd just find a gameplay video on Youtube and not read reviews. There's just a big gap between a description...
Forum: support.Games 31 July 2018, 01:36
Replies: 4
Views: 420
Posted By Photon
Good initiative :great and yes, certainly when it...

Good initiative :great and yes, certainly when it comes to ports. :)

Before Amiga, hits got ports across all the hot platforms. Some 16-bit devs defaulted to port from ST to Amiga (and this gave...
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