sage
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Posts posted by sage
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haha this is a pic of the "easter egg" battlezone 2000 .... thats great!
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there is keyboards which works over cartridge slot, what else do you want?
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Ah, that is easily fixable in the rom.
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On 2/20/2022 at 11:34 AM, laoo said:
@Nop90 Long story short - at the moment Felix does not have working comlynx emulation. But I hope it can be said that "does not have yet".
In some early version I've experimented with two instances of emulator in one executable and there was serial emulation that even worked for code that I've wrote (both instances could exchange information and it worked on real hardware too) but when it comes to official games it failed miserably. There is literal chaos on the wire when RedEye is talking. I must devise something smart to handle it. And I'll try to communicate two emulator instances through shared memory. I don't think that it will be possible to play multiplayer in official games through network, although new games obeying some constraints could do it.
i was able to run 8 emulator cores with comlynx. but you have to play dirty tricks to get around the timeouts within each instance to keep them in sync.
f.e. stop emulation after to avoid timeout; handshake with a comlynx-lock instance to avoid collisions due to different running speed of emulation threds etc.
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16 hours ago, laoo said:
Maybe it's time to allocate some spare bits in LNX header to define banking scheme?
I think we did.
handy core (e.g. the one in retroarch) supports it.
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hehe, god that i already have it implemented
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20 minutes ago, karri said:
Obviously I have been a nice guy as I will shortly get a bunch of brand new Lynx carts
It is a small tinkerers cart with two eeproms on it (128 bytes and 64 k).
It also has a massive 2MB flash chip for those extra animations and sound tracks.
Plus a small external interface for attaching small extra peripherals.
You configure it by soldering in small blobs for "write protect/programming" and "no eeprom/128/64k".
Cool stuff?
Technical details.
CART0 strobe for address pin 19 == 0
CART1 strobe for address pin 19 == 1
AUDIN for address pin 20
And it fits in the same space as my 512k cart.
amazing
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no, i didnt want to invest the time for another demo. and clearly i wont put the final binary fro download.
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Again, this one didnt make it for physical release this year even so the rom is complete (but not the cases/packaging)
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2 hours ago, 42bs said:
TP1 via button to GND => RESET (quicker as power off/on and maybe healthier).
good idea
with the mcwill mod, I noticed a glitch for games which have a very fast boot process, that the buttons are not read correctly. i guess this is also an effect of different power consumption and behaviour
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7 hours ago, Fadest said:
Edit: emulator side:
Seems like Handy does not manage stereo, but Felyx does it well, do I would recommend to use Felyx on a computer.only the versions I patched, like thd code used in mednafen or retroarch
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3 hours ago, laoo said:
BTW. I can be reached from tomorrow till sunday in Gdańsk on Silly Venture demo party, so see you there.
I am jealous.
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41 minutes ago, Igor said:
I think it's scary because I have no idea what I'm doing when I play it ?
free download but requires a printed manual. well. here you are.
you need to find pairs which can be connected by a straight line with max two 90degree turns.
currently only identical matches, no groups (actually L Y N X should form a group, but i forgot to reactivate this feature).
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17 minutes ago, Ninjabba said:
wow, those animations behind opt-1 are something else!
cheater!
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Sry I didnt had time for the game jam. But too many other open projects. So I just disqualify again. But here some work-in-progress shot. Unluckily, the theme doesnt fit ?
I had to removed the music as it is a plain copy and the graphics is still a place-holder and looks bad on original displays. Dont complain, you have been warned.
Two player is a pure co-op.
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1 hour ago, karri said:
I assume that we only need to provide the bootloader, initialize Suzy and Mikey and have double buffering with a simple draw sprite. Most of the TGI library is useless.
indeed. but that is more the "basic" approach to initialize everything ?
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1 hour ago, laoo said:
About libraries there is a repository with SDK with preliminary CRT implementation for Atari and C64. I can say that if someone from this community won't add implementation for Lynx, probably no one else will do it.
correct
but it is "a bit" more than just some jsr $FFxx
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16 minutes ago, 42bs said:
You are right. To long ago. Anyway, $fff7 will do (just checked). Actually any address from should do $fe00 to $fff7.
i dont remember that the loader was clearing the memory
my dear, long time ago that i checked the rom code.
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only for BLL assember
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19 hours ago, laoo said:
@sage There is an old saying that if something seems stupid, but it works, then it's not stupid... But I saw the logs what RedEye was doing to comlynx wire and it was anything but pleasing view
single wire protocol, what do you expect
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11 minutes ago, laoo said:
When I was writing support for comlynx I was terrorized by the RedEye misbehave and I don't know how it manages to work...
We all come to the point to believe that. But actually it is not misbehaving
If properly done, it can even be emulated properly enough to run most of the games.
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15 hours ago, karri said:
A valid point.
upload takes a second
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Early Xmas, indeed
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5 hours ago, peekb said:
Which microcontroller are you using for this? I've toyed with this idea for various systems but wasn't sure any uC would be able to toggle GPIO pins fast enough to actually emulate (EP)ROM speeds.
Teensy 4.0 board with 600MHz and 512kb RAM, that is fast enough, has enough memory and plenty of IO pins
Unluckily, it is not even 5V tolerant, otherwise you just could wire it as it is
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No april fools this year
in Atari Lynx Programming
Posted
How disappointing ?