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Search: Posts Made By: robinsonb5
Forum: Nostalgia & memories 08 December 2017, 14:22
Replies: 147
Views: 10,730
Posted By robinsonb5
It's just a question of bandwidth. The...

It's just a question of bandwidth. The "unshackling" was done by making the Chip RAM bus 32-bits wide instead of 16-bits wide, and by doubling the transfer rate between the Chip RAM and chipset,...
Forum: Nostalgia & memories 08 December 2017, 02:40
Replies: 147
Views: 10,730
Posted By robinsonb5
Not strictly true once you consider that PC...

Not strictly true once you consider that PC graphics cards have their own video memory, which could be considered roughly equivalent to the Amiga's chip memory. (OK, in more recent years onboard...
Forum: Amiga scene 03 December 2017, 00:14
Replies: 53
Views: 2,608
Posted By robinsonb5
Impressive! Nice going!

Impressive! Nice going!
Forum: Retrogaming General Discussion 02 December 2017, 15:15
Replies: 42
Views: 1,170
Posted By robinsonb5
Yes, absolutely - but in most cases the cpu had...

Yes, absolutely - but in most cases the cpu had to feed the sound registers with a constant stream of data, so could do little else at the same time.

Again, the point - if I understood correctly...
Forum: Retrogaming General Discussion 01 December 2017, 02:15
Replies: 42
Views: 1,170
Posted By robinsonb5
So wasn't dlfrsilver's point that the CPC+ can do...

So wasn't dlfrsilver's point that the CPC+ can do just that - i.e. replay PCM sounds via DMA? I'm assuming the sound on that Shadow of the Beast demo was coming from a CPC+ as well as the visuals? ...
Forum: Coders. General 20 November 2017, 22:57
Replies: 39
Views: 2,804
Posted By robinsonb5
The same 256-colour bitmap image is, certainly. ...

The same 256-colour bitmap image is, certainly. A 32-colour image in chunky format, though, would either wastefully allocate 1 byte for each 5-bit pixel, thus increasing the required storage space...
Forum: Coders. General 14 November 2017, 01:02
Replies: 158
Views: 8,454
Posted By robinsonb5
Imitating Shadow of the Beast on 8-bit machines...

Imitating Shadow of the Beast on 8-bit machines seems to be the in thing at the moment. I stumbled across this yesterday:
https://www.youtube.com/watch?v=VHmkvWwNq8s
On a BBC micro? Really? ...
Forum: Hardware mods 13 November 2017, 01:06
Replies: 6
Views: 498
Posted By robinsonb5
Good plan - it'll be interesting to see how it...

Good plan - it'll be interesting to see how it works out. Good luck! :great
Forum: Hardware mods 12 November 2017, 17:38
Replies: 6
Views: 498
Posted By robinsonb5
That should do it - just make sure the MUX...

That should do it - just make sure the MUX doesn't respond beyond DC0000 or you'll clash with the custom chips </captain obvious>
Forum: Hardware mods 12 November 2017, 00:31
Replies: 6
Views: 498
Posted By robinsonb5
I think the Amiga detects slow RAM the same way...

I think the Amiga detects slow RAM the same way it detects Chip RAM - throwing data at it and seeing if it sticks.
Forum: support.Hardware 03 November 2017, 14:39
Replies: 6
Views: 214
Posted By robinsonb5
I think NewMouse 1.2 might be what you're looking...

I think NewMouse 1.2 might be what you're looking for.
http://aminet.net/package/driver/input/NewMouse12
Again, I've not tried it, so no guarantee that it will work with your particular mouse, but...
Forum: support.Hardware 03 November 2017, 00:42
Replies: 6
Views: 214
Posted By robinsonb5
Freewheel isn't a mouse driver at all - what it...

Freewheel isn't a mouse driver at all - what it does is listen for "NewMouse" style wheel events in the input stream and scrolls the nearest scrollbar.

I've never used NewMouse itself - I just had...
Forum: Retrogaming General Discussion 27 October 2017, 01:08
Replies: 30
Views: 1,127
Posted By robinsonb5
I remember getting it on a coverdisk -...

I remember getting it on a coverdisk - interesting game but I wasn't sure what was going on back then. I picked it up again about a year ago and realised that there's a lot more to it than I...
Forum: News 17 October 2017, 15:16
Replies: 56
Views: 5,163
Posted By robinsonb5
Welcome - and nice work!

Welcome - and nice work!
Forum: Amiga scene 12 October 2017, 14:38
Replies: 93
Views: 8,099
Posted By robinsonb5
That is looking superb - very polished!

That is looking superb - very polished!
Forum: OT - Technical 12 October 2017, 11:37
Replies: 8
Views: 394
Posted By robinsonb5
Ah - thanks for that everyone - makes sense! I...

Ah - thanks for that everyone - makes sense!
I never had a 1084 or similar monitor so now I'm wondering how I came to have this cable! Must have been in amongst a box of random Amiga stuff I was...
Forum: OT - Technical 11 October 2017, 20:08
Replies: 8
Views: 394
Posted By robinsonb5
Mystery cable? 6-pin DIN to 23pin DSub?

In among my collection of retro stuff I've come across this cable, and I don't remember acquring it, and I'm not sure what it's for!

One end is a male 6-pin DIN male, as found on C64 disk drive...
Forum: News 09 October 2017, 17:03
Replies: 56
Views: 5,163
Posted By robinsonb5
You can do a lot better than PWM with an FPGA -...

You can do a lot better than PWM with an FPGA - both the Minimig and MIST use a resistor/capacitor filter fed from a GPIO pin for audio, and most cores use a sigma/delta modulator rather than PWM to...
Forum: support.Hardware 06 October 2017, 14:09
Replies: 17
Views: 349
Posted By robinsonb5
Is this a stock CD32 or do you have any...

Is this a stock CD32 or do you have any expansions?
Forum: Retrogaming General Discussion 05 October 2017, 02:06
Replies: 30
Views: 1,127
Posted By robinsonb5
Anyone played Smash Hit on tablets / phones? ...

Anyone played Smash Hit on tablets / phones? When I first played it, I was immediately reminded of Vaxine! I keep promising myself that when free time eventually allows I will try and construct an...
Forum: Retrogaming General Discussion 01 October 2017, 15:02
Replies: 30
Views: 1,127
Posted By robinsonb5
No idea - I never really played E-Motion but I'm...

No idea - I never really played E-Motion but I'm a big fan of Vaxine - that and Zeewolf 2 are my goto games if I've got a random 15 minutes to burn!
Forum: Coders. General 28 September 2017, 11:19
Replies: 404
Views: 22,772
Posted By robinsonb5
More likely using bitplane pointers and scroll...

More likely using bitplane pointers and scroll registers to select a specific line and horizontal offset in a set of pre-scaled road textures.
Forum: support.Hardware 16 September 2017, 02:00
Replies: 2
Views: 133
Posted By robinsonb5
If it's working fine once warmed up it could just...

If it's working fine once warmed up it could just be a dry or cracked solder joint.
What does the noise "look" like on the sample?
Do you noticably lose bass when it's noisy?
Forum: support.Hardware 06 September 2017, 02:35
Replies: 41
Views: 10,182
Posted By robinsonb5
I think the version you have is the latest one,...

I think the version you have is the latest one, but I couldn't swear to it now. I know I changed the button mapping after your initial feedback, but I think I sent you an updated version with that...
Forum: support.Hardware 04 September 2017, 16:09
Replies: 41
Views: 10,182
Posted By robinsonb5
I built an adapter using a PSOC4 prototype board...

I built an adapter using a PSOC4 prototype board -
Background information here:

http://retroramblings.net/?p=853

Wiring details: http://retroramblings.net/?p=912
Project on Github: ...
Forum: Amiga scene 02 September 2017, 19:51
Replies: 27
Views: 2,968
Posted By robinsonb5
Would be there, but alas once again life's...

Would be there, but alas once again life's getting in the way. Hope it goes well!
Forum: support.Hardware 29 August 2017, 00:38
Replies: 54
Views: 1,515
Posted By robinsonb5
I don't think you can read anything into the...

I don't think you can read anything into the sound circuit still working - the buzzer is driven from the Amiga's step signal, and would still work if the rest of the Gotek was missing.
Forum: Coders. C/C++ 19 August 2017, 00:55
Replies: 10
Views: 536
Posted By robinsonb5
It's been a while, so I'm not sure about this -...

It's been a while, so I'm not sure about this - but doesn't "avail flush" do just that, provided no applications currently have the library open?
Forum: support.Hardware 16 August 2017, 01:59
Replies: 15
Views: 559
Posted By robinsonb5
Nice going! :) You're probably already...

Nice going! :)



You're probably already doing this if you're using interrupts, but when you drive the middle mouse button pin high, do it by putting the arduino in input mode with pullup...
Forum: support.Hardware 11 August 2017, 11:28
Replies: 15
Views: 559
Posted By robinsonb5
Yeah, it doesn't discard the LSBs, it simply...

Yeah, it doesn't discard the LSBs, it simply briefly re-uses them for wheel signals, during a vblank interrupt, and resets them again long before the system reads the mouse counters again during the...
Forum: support.Hardware 10 August 2017, 19:39
Replies: 15
Views: 559
Posted By robinsonb5
I think the Cocolino is an evolution of Eyetech's...

I think the Cocolino is an evolution of Eyetech's EZMouse, which was originally my design. What I did was have the microcontroller use PotX as a select signal, similar to how a Megadrive joypad...
Forum: Coders. Asm / Hardware 09 August 2017, 12:22
Replies: 32
Views: 2,212
Posted By robinsonb5
I'll definitely take a look when time allows -...

I'll definitely take a look when time allows - nice work!
Forum: Coders. Asm / Hardware 04 August 2017, 17:46
Replies: 48
Views: 4,442
Posted By robinsonb5
Yup, the 3-button pads are really easy to...

Yup, the 3-button pads are really easy to support: pin 7 high = buttons B & C on pins 6 and 9. Pin 7 low = buttons A and Start on pins 6 & 9. So yeah, it still needs software support. (The six...
Forum: Coders. Asm / Hardware 04 August 2017, 13:51
Replies: 48
Views: 4,442
Posted By robinsonb5
Good point - so the troublesome games may in fact...

Good point - so the troublesome games may in fact be those that aren't writing to POTGO at all.
Forum: Coders. Asm / Hardware 04 August 2017, 11:39
Replies: 48
Views: 4,442
Posted By robinsonb5
You can read two buttons of a megadrive pad...

You can read two buttons of a megadrive pad without modifications. Technically it will be drawing a small amount of power from a signal pin rather than the power pin to run its multiplexing...
Forum: Coders. Asm / Hardware 03 August 2017, 02:55
Replies: 48
Views: 4,442
Posted By robinsonb5
Look for writes to POTGO ($dff034). Normally to...

Look for writes to POTGO ($dff034).
Normally to have the middle and right mouse buttons (or two extra joystick buttons on pins 5 and 9) readable on each port, you'd write $ff00 to POTGO - if bits 8,...
Forum: support.Games 29 July 2017, 02:33
Replies: 9
Views: 503
Posted By robinsonb5
The version I've been testing with is the Quartex...

The version I've been testing with is the Quartex crack.
MD5 5b8b0e7b8586779f54d74eb9928599c5 if you want to be sure it's the same one.
Forum: support.Games 28 July 2017, 14:40
Replies: 9
Views: 503
Posted By robinsonb5
If memory serves, Zeewolf 2 will benefit greatly...

If memory serves, Zeewolf 2 will benefit greatly from fast RAM, but Zeewolf won't. Zeewolf 2 runs pretty well on a fast RAM equipped Minimig core and absolutely flies when you allow the CPU to...
Forum: support.Games 28 July 2017, 01:50
Replies: 9
Views: 503
Posted By robinsonb5
Zeewolf 2 can make use of Fast RAM, and runs much...

Zeewolf 2 can make use of Fast RAM, and runs much better when it does. I don't know much about the Furia - does it have (autoconfiguring) Fast RAM?
Forum: Nostalgia & memories 19 July 2017, 14:17
Replies: 147
Views: 10,730
Posted By robinsonb5
Now that's an interesting point - was the ST...

Now that's an interesting point - was the ST significantly better in that regard?
Showing results 1 to 40 of 524

 
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