Posts for Alyosha
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Posted: 2/27/2020 9:56 PM
(Edited: 3/10/2020 1:28 AM)
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Alyosha
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Editor, Experienced Forum User, Published Author, Expert player (3602)
Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
Thanks to Shonumi's documentation, the 4x adapter now functions in the current dev build. You can now play 4 player GB games in BizHawk. I tested f1-race, rc pro am, and wave race and 4 player functionality works for them. I tested 2 player on micro machines and it works. I tested 2 player on Yoshi's cookie and it does not work, not sure why yet. EDIT: Yoshi's Cookie is not responding to the four player adapter pings. I'm guessing it's not really compatible with it. I was testing Yoshi not Yoshi's cookie oops. As you can see from the screen shot, it doesn't quite run at 60 fps on my laptop, I'll try to do some optimizations to get the speed up, but for now if anyone is interested feel free to play around with it and let me know of any bugs. This should still be considered WIP. EDIT: the 4 player adapter is the default connection setting in 4x mode. You don't have to press anything to get into the 4 player adapter. This is the last major peripheral I wanted to implement personally in GBHawk. It probably doesn't have any TAS potential, I just thought it was cool. I'm not really 100% certain about the networking algorithm, I just did what made sense and followed Shonumi's documentation and it seems to work pretty well, although almost certainly not hardware accurate. I know there are a lot of other peripherals in the gameboy domain, but I'm not super interested in them. Some of them are probably TAS worthy, If anyone feels inspired to implement more of them I can help along the way.
Posted: 2/27/2020 2:34 PM
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Alyosha
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Editor, Experienced Forum User, Published Author, Expert player (3602)
Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
The missing DLL error seems to have been sorted out (Thanks to zeromus and TIKevin83.) Download and run the updated prereq installer and it should work now hopefully.
Posted: 2/25/2020 4:34 PM
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Alyosha
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Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
Nice work and research, yes vote.
Posted: 2/24/2020 11:13 PM
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Alyosha
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Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
adelikat wrote:
Do you have any docs on mappers? I haven’t been able to find much.
Nope. Which games specifically are you referring to? I should be able to guess at a mapper implementation with trace logger. Also do you know of any US games that don't work? I see the above list consists mostly of EU (videopac) games which technically aren't implemented yet but is next on the lsit.
Posted: 2/24/2020 10:47 PM
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Alyosha
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Joined: 11/30/2014
Posts: 2752
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GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
Thanks for testing, I'll start looking into those bugs and mappers too. And yeah work on this has been slow and inconsistent, I'm trying to knock things off my todo list so I can focus a bit more.
Posted: 2/23/2020 3:03 PM
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Alyosha
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Joined: 11/30/2014
Posts: 2752
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GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
SubGBHawk is here! Subframe inputs and resets are supported. By necessity, it works a little different then SubNESHawk. Every 'frame' has an input validity time. Any buttons pushed during that time are registered. Power button is also registered during this same time. If a frame end event happens, the validity time is truncated. This will be registered as a lag frame, however input will still be processed during time. So it's not actually lag, it's just a visual representation of where GBHawk is ending the frame (it's actually an audio frame strictly speaking.) So by example, lets say you pick a validity time of 200 Then you will have: (end of current frame, shown as lag frame) 200 *some inputs* 200 *some inputs* . . . 200 *some inputs* (another 'lag' frame 70224 cycles later.) you can change validity time whenever you want, it can be anywhere from one to 70224 (a normal frame time) with default of 70224. When power is pressed, it will act as pressed until the current frame ends. This is new so some testing is required, but it seems to be working correctly. This was one of my goals when first starting GBHawk, so it's nice to have it almost done.
Posted: 2/22/2020 12:40 PM
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Alyosha
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Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
Good idea. I don't have time right now to bot it up though. Are you going to give it a try? If not I'll look into once I have finished a few of the other things higher up on my TODO list maybe in a couple months.
Posted: 2/21/2020 10:01 PM
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Alyosha
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Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
Wow I'm dumb, I didn't even realize that I was looking at the completely wrong set of values. I just tried 8,0,0,2 in GBC and indeed it makes it to the end. So I guess GBC version can be submitted since it's faster. Too bad good values are so much slower in the GBC in GBA version. Here's a file: http://tasvideos.org/userfiles/info/61505883417763093
Posted: 2/18/2020 12:12 AM
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Alyosha
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Joined: 11/30/2014
Posts: 2752
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GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
Cool, I'll try to look at savestates this weekend if they aren't fixed by then. I vaguely remember working through them before so hopefully tracking down errors wont be too bad.
Posted: 2/17/2020 5:30 PM
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Alyosha
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Editor, Experienced Forum User, Published Author, Expert player (3602)
Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
if (!prefetched_) { PC_READ(opcode); } ^ comment out that read in cpu.cpp line 544. You already read the opcode above with pc_read_first. I'm not 100% sure of the intent so you might want another solution. But it runs fine after I commented that out. EDIT: well, it runs but savestates are broken and cause a crash. It's a start though.
Posted: 2/16/2020 9:45 PM
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Alyosha
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Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
Odyssey 2 emulation is almost ready for release. Anyone interested in TASing please test the dev build for bugs, particularly commercial games (I'm aware of some homebrew bugs but not as concerned right now.)
Posted: 2/16/2020 1:00 AM
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Alyosha
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Editor, Experienced Forum User, Published Author, Expert player (3602)
Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
I fixed a collision detection bug so more games should be functional now. Games I tested included UFO and KC Munchkin.
Posted: 2/12/2020 10:31 PM
(Edited: 5/8/2020 8:08 PM)
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Alyosha
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Editor, Experienced Forum User, Published Author, Expert player (3602)
Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
http://tasvideos.org/userfiles/info/61309991900386543 Alright here is a better WIP that incorporates all of the improvements in the nico video TAS. So far I only saved additional frames in 2 places: 4 frames in Pirate panic collect the stars and ~15 frames in hothead hop by not turning back into dixie after the first bonus (you can turn into dixie for free going into the cannon.) I'm not completely certain I didn't gain/lose frames elsewhere by only comparing to the video, but I'm going to go over everything again anyway.
Posted: 2/12/2020 9:35 PM
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Alyosha
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Joined: 11/30/2014
Posts: 2752
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GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
Interesting, how do you measure something like this? Do you know how BizHawk compares to other emulators that RTA people use for practice?
Posted: 2/12/2020 12:27 AM
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Alyosha
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Editor, Experienced Forum User, Published Author, Expert player (3602)
Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
Cool nice work. You seem to be really talented at optimizing stuff, I hope you can stay motivated to the end of this.
Posted: 2/10/2020 1:20 AM
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Alyosha
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Editor, Experienced Forum User, Published Author, Expert player (3602)
Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
Wow I'm not even close to that, thanks for the link. Well whatever my first step as always is just to have a file that beats the game.
Posted: 2/9/2020 10:44 PM
(Edited: 2/12/2020 10:26 PM)
Post subject: Donkey Kong Land 2
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Alyosha
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Editor, Experienced Forum User, Published Author, Expert player (3602)
Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
http://tasvideos.org/userfiles/info/61239989505386084 I've started on updating DKL2 100%. This is a more long term side project, something easy to work on without RNG troubles. I decided to use GB instead of SGB so I can use GBHawk, it doesn't seem to add much anyway. I'm using the existing run as a baseline file. Loading times are between 40 and 50 frames longer per instance though, so the resulting run will be very significantly longer then the current publication indicates. In terms of actual gmeplay, this is about 15 seconds faster.
Posted: 2/9/2020 6:17 PM
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Alyosha
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Joined: 11/30/2014
Posts: 2752
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GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
The publication description says that the run starts from a save state but this is not correct, it only starts from sram.
Posted: 2/7/2020 9:27 PM
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Alyosha
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Editor, Experienced Forum User, Published Author, Expert player (3602)
Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
I fixed several more bugs in AtariHawk recently and also added the keyboard controller, so the dozen or so games that needed that can now be played / tased.
Posted: 2/7/2020 8:29 PM
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Alyosha
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Editor, Experienced Forum User, Published Author, Expert player (3602)
Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
Yeah all i can suggest now is to ask on IRC. Maybe people actually familiar with windows development can help you.
Posted: 2/7/2020 12:41 PM
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Alyosha
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Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
ThunderAxe31 wrote:
Looks like the site parser identifies GBCHawk movies as GB platform, probably because the header doesn't include the IsCGBMode flag that Gambatte movies have. So we either need to implement this flag for GBCHawk or add more logic into the site code.
Fixed in master. But might still be wrong for linked versions since mixing GB and GBC is allowed.
Posted: 2/7/2020 1:31 AM
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Alyosha
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Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
Try moving the dll outside of the dll folder (so that it's just in the bizhawk folder.) Maybe your system isn't looking for it in the folder for some reason.
Posted: 2/7/2020 12:39 AM
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Alyosha
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Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
Al82 wrote:
Removed the other bioses and just have bios_test_ext: can confirm it works! The audio seems to be very quiet and only plays out of the left channel - not really familiar with the system, so not sure if this is by design or not.
Great that's a start. At least things are starting to make sense. I can fix minor bugs later. Now I just need to figure out why it's not working for Sonia.
Posted: 2/6/2020 6:20 PM
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Alyosha
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Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
Asnivor wrote:
I have everything except bios_test and see no dll error (although I do see black screen on whatever rom i open)
Can you remove the jp bios from your folder and try with just bios_test_ext?
Posted: 2/6/2020 5:51 PM
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Alyosha
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Editor, Experienced Forum User, Published Author, Expert player (3602)
Joined: 11/30/2014
Posts: 2752
Location: US
GBA TASer of 2023 Homebrew TAS of 2023 Gameboy TASer of 2022 NES TASer of 2015
In the current dev build that file is not even used. Only bios_test_ext is used, which you have. Can anyone else confirm a missing dll error? I can't reproduce this error without deleting the dll from the dll folder so I don't know how to go about tracking down this error.
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