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Search: Posts Made By: Rotareneg
Forum: HOL suggestions and feedback 24 September 2020, 16:32
Replies: 5
Views: 4,000
Posted By Rotareneg
They claim the BattleTech "VR" game pods were the...

They claim the BattleTech "VR" game pods were the first commercial 3D computer game, which is so wrong it's baffling to me that someone in their right mind would make such a specific claim, until I...
Forum: support.WinUAE 08 September 2020, 04:14
Replies: 1
Views: 363
Posted By Rotareneg
The full compatibility A500 quickstart, which...

The full compatibility A500 quickstart, which enables cycle-exact mode, doesn't have wait for blitter set (and can't use immedate blitter.) If you turn the comparability slider down it turns off...
Forum: support.Hardware 29 August 2020, 15:24
Replies: 25
Views: 1,058
Posted By Rotareneg
Coolant spray (or upside down duster) would let...

Coolant spray (or upside down duster) would let you figure out which chip is heat sensitive if it isn't obviously overheating to the touch.
Forum: support.WinUAE 29 August 2020, 08:12
Replies: 21
Views: 4,309
Posted By Rotareneg
I'm sure that's next on the list after leaking...

I'm sure that's next on the list after leaking capacitor simulation. ;)
Forum: support.WinUAE 26 August 2020, 17:07
Replies: 21
Views: 4,309
Posted By Rotareneg
Literally the next line says: "JIT Compiler for...

Literally the next line says: "JIT Compiler for CPU and FPU". The MMU isn't included in the JIT compiler.

680x0 caches aren't part of JIT mode because recompiles the 680x0 instructions into x86...
Forum: Retrogaming General Discussion 26 August 2020, 16:21
Replies: 197
Views: 9,233
Posted By Rotareneg
I don't remember being bothered by the scrolling...

I don't remember being bothered by the scrolling way back when I played it on a real Amiga, but now I find it annoying enough to kinda ruin the game for me.
Forum: Coders. General 23 August 2020, 21:58
Replies: 14
Views: 910
Posted By Rotareneg
It does it while playing too, the screenshots in...

It does it while playing too, the screenshots in the post above are from the free flight mode. Programmer oversight aka bug sounds good to me. :D
Forum: Coders. General 23 August 2020, 15:27
Replies: 14
Views: 910
Posted By Rotareneg
The first screenshots were with some fast RAM to...

The first screenshots were with some fast RAM to reduce CPU "noise" in the DMA debugger, here it is with only chip RAM:

https://i.imgur.com/5bhvSRw.png

https://i.imgur.com/etwjoTU.png

Both...
Forum: Coders. General 22 August 2020, 23:33
Replies: 14
Views: 910
Posted By Rotareneg
The only evidence I can see for the 5th bit plane...

The only evidence I can see for the 5th bit plane being used at all is on the title screen. Everywhere else I just get a blank screen if I isolate only 5 and no visible difference if only 1-4 are...
Forum: Coders. General 22 August 2020, 20:28
Replies: 14
Views: 910
Posted By Rotareneg
F-18 interceptor alternating between 5 and 4 bitplanes

I was just playing around with the visual DMA debugger and I noticed something I can't figure out: F-18 interceptor alternates between using 4 and 5 bitplanes every other rendered frame (not video...
Forum: Coders. General 22 August 2020, 20:19
Replies: 99
Views: 5,179
Posted By Rotareneg
VladR, in case you didn't know, WinUAE has a...

VladR, in case you didn't know, WinUAE has a handy visual DMA debugger that will nicely visualize this stuff. Use shift-F12 to open the debugger, use v -2 for visual DMA debugging, and then x to exit...
Forum: Coders. General 18 August 2020, 07:11
Replies: 3
Views: 468
Posted By Rotareneg
The sprite data registers are loaded before...

The sprite data registers are loaded before bit-plane DMA starts. You can lose a few sprites if you use overscan and/or horizontal scrolling.
Forum: support.Hardware 09 August 2020, 23:38
Replies: 6
Views: 250
Posted By Rotareneg
The A1200 keyboard is terrible with multi key...

The A1200 keyboard is terrible with multi key combos, so it might just be normal, but someone with a real A1200 would have to confirm if that particular combo should work or not.
Forum: request.Apps 05 August 2020, 14:20
Replies: 10
Views: 825
Posted By Rotareneg
Sculpt 4D too.

Sculpt 4D too.
Forum: support.Hardware 05 August 2020, 01:44
Replies: 19
Views: 930
Posted By Rotareneg
They're 1MX4 chips, meaning 4194304 bits per...

They're 1MX4 chips, meaning 4194304 bits per chip. Multiply by 8 chips and you get 4 megabytes.

*edit* And since I can't count apparently... there's SIXTEEN chips, so it should be 8 megabytes.
Forum: Amiga scene 02 August 2020, 19:40
Replies: 4
Views: 513
Posted By Rotareneg
tl;dr version: Dual playfield and sprites.

tl;dr version: Dual playfield and sprites.
Forum: support.Hardware 31 July 2020, 23:52
Replies: 25
Views: 1,058
Posted By Rotareneg
That was a tantalum cap which are notorious for...

That was a tantalum cap which are notorious for failing shorted, as seen by how it got hot enough to melt it's own lead. I'd check voltages first, it may have damaged the power supply or other...
Forum: support.Hardware 24 July 2020, 07:55
Replies: 15
Views: 783
Posted By Rotareneg
Since you were concerned about the cable, did you...

Since you were concerned about the cable, did you try using the composite video connection instead, just to test?
Forum: support.Hardware 22 July 2020, 04:19
Replies: 15
Views: 783
Posted By Rotareneg
Try a pure red, blue, or green image. If there...

Try a pure red, blue, or green image. If there are colors besides the correct one, things aren't looking very good for the monitor. Could be the purity controls are way out of wack on the tube, or...
Forum: support.Hardware 22 July 2020, 03:56
Replies: 15
Views: 783
Posted By Rotareneg
I'd try turning the sharpness down first just to...

I'd try turning the sharpness down first just to see if it helps.
Forum: support.Hardware 14 July 2020, 08:35
Replies: 43
Views: 2,009
Posted By Rotareneg
The A600 and A500 use the same rom, you must be...

The A600 and A500 use the same rom, you must be looking at the wrong spot.
Forum: support.Hardware 12 July 2020, 22:24
Replies: 4
Views: 339
Posted By Rotareneg
Also, those are supposed to be 22µF...

Also, those are supposed to be 22µF electrolytics, not puny little ceramic caps.
Forum: Nostalgia & memories 10 July 2020, 22:23
Replies: 2,682
Views: 418,915
Posted By Rotareneg
The AGA chipset doesn't support 8 MB of chip ram....

The AGA chipset doesn't support 8 MB of chip ram. I'm not clear on if they originally expected the AA chips to support 8 megs or if the later AAA chips were to be drop-in replacements to allow the...
Forum: Nostalgia & memories 01 July 2020, 00:24
Replies: 2,682
Views: 418,915
Posted By Rotareneg
Just looked it up and the CM8833 has a dot pitch...

Just looked it up and the CM8833 has a dot pitch of 0.42 mm. That's approximately 677 pixels horizontal with that 14" CRT. If you account for the smaller visible area on the tube, it's even worse.
Forum: Nostalgia & memories 27 June 2020, 22:45
Replies: 2,682
Views: 418,915
Posted By Rotareneg
Yeah, DRAM power off retention is typically a lot...

Yeah, DRAM power off retention is typically a lot longer than people expect, especially at low temperatures, and can even lead to security issues: https://en.m.wikipedia.org/wiki/Cold_boot_attack
Forum: Retrogaming General Discussion 07 June 2020, 00:52
Replies: 8
Views: 865
Posted By Rotareneg
The term "passthrough" may have been poorly...

The term "passthrough" may have been poorly chosen on my part as it doesn't literally pass an analog video signal from the Pi through the NES, but rather does so digitally by loading a simple program...
Forum: Retrogaming General Discussion 06 June 2020, 20:52
Replies: 8
Views: 865
Posted By Rotareneg
Not sure why you'd want to turn your Amiga into a...

Not sure why you'd want to turn your Amiga into a video passthrough for a device that already has a video output of its own, but to each his own, I guess? :confused
Forum: support.WinUAE 15 May 2020, 20:18
Replies: 5
Views: 635
Posted By Rotareneg
The cycle-exact overhead doesn't go away with...

The cycle-exact overhead doesn't go away with turbo on.
Forum: Nostalgia & memories 10 May 2020, 15:52
Replies: 50
Views: 5,558
Posted By Rotareneg
And it's not like everything was actually beige...

And it's not like everything was actually beige back then, it's just that all the photos have faded to that color. For example, Space:1999 clearly could not have been as depressingly beige as this...
Forum: support.WinUAE 05 May 2020, 18:51
Replies: 4
Views: 667
Posted By Rotareneg
The lagless vsync modes will always have some...

The lagless vsync modes will always have some tearing near the top edge of the monitor due to the way they work. You'll need to scale the image down a bit so it doesn't reach all the way to the edges...
Forum: Amiga scene 05 May 2020, 18:24
Replies: 10
Views: 750
Posted By Rotareneg
Llamatron supports both dual stick and "hold the...

Llamatron supports both dual stick and "hold the fire button to lock firing direction" modes.
Forum: Amiga scene 27 April 2020, 05:48
Replies: 90
Views: 6,600
Posted By Rotareneg
The ZX Next and Mega65 are both FPGA based, just...

The ZX Next and Mega65 are both FPGA based, just like the Vampire. The X16 at the very least uses a real 6502 CPU, although still tied to a FPGA.
Forum: Amiga scene 24 April 2020, 21:58
Replies: 90
Views: 6,600
Posted By Rotareneg
Ah, I see a slight flaw in your idea...

Ah, I see a slight flaw in your idea already...:banghead
Forum: Amiga scene 24 April 2020, 13:59
Replies: 90
Views: 6,600
Posted By Rotareneg
AKA "Just toss a few FPGAs on a board, how hard...

AKA "Just toss a few FPGAs on a board, how hard could it be?
Forum: support.Hardware 12 April 2020, 16:31
Replies: 12
Views: 860
Posted By Rotareneg
Yes, Amiga motherboards could have factory...

Yes, Amiga motherboards could have factory installed mods. Here's an example of a factory installed mod on an A1200 board: https://imgur.com/a/DW0GPda
Forum: support.Hardware 30 March 2020, 21:58
Replies: 30
Views: 2,332
Posted By Rotareneg
Check R203, located on the bottom of the PCB...

Check R203, located on the bottom of the PCB between the IDE connector and the side of the PCB, near the edge of the board.

A 0 ohm jumper on R203 tells Alice to default to NTSC, if it's...
Forum: Coders. Asm / Hardware 11 March 2020, 08:27
Replies: 8
Views: 796
Posted By Rotareneg
The horizontal comparator is armed by ANY write...

The horizontal comparator is armed by ANY write to DATA: CPU, DMA, copper, it doesn't matter. Likewise, any write to CTL from any source disarms the comparator.
Forum: Retrogaming General Discussion 13 February 2020, 20:17
Replies: 57
Views: 3,558
Posted By Rotareneg
And for a slightly more productive post: The...

And for a slightly more productive post:

The only way to get the emulated software running anywhere near the speed you're looking for is by turning on JIT mode set to fastest possible. That...
Forum: Retrogaming General Discussion 13 February 2020, 20:04
Replies: 57
Views: 3,558
Posted By Rotareneg
What computer do you plan on running UAE on that...

What computer do you plan on running UAE on that you expect a chess program running on the emulated 68000 CPU to be as fast as a chess program running directly on an i9 9900K?
Forum: Retrogaming General Discussion 07 February 2020, 01:13
Replies: 57
Views: 4,930
Posted By Rotareneg
Super Skidmarks used super highres sprites.

Super Skidmarks used super highres sprites.
Showing results 1 to 40 of 153

 
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