START+SELECT, A just results in "Error Load: Failed"

running under TWilight Menu++

most other things seem to work

I just installed uxnds037 onto a 2022 R4 card.

I copied the following files to the root directory of the card:

• uxn/
• uxnds_debug.nds
• uxnds.nds
• uxnds_profile.nds

When launching any of the uxnds programs I see the uxn launcher and can load and run uxn roms (such as catclock, calc, etc.). However, when I reset (start+select followed by A) I get an error:

Resetting...
Error Load: Failed

I get this no matter which of the 3 uxn programs I run. I'm using the default launcher for this card (it shows up on the main DS screen as "deep labyrinth"). I'd rather not overwrite the launcher (I'm not very experienced with DS hacking) but am willing to do so to help test if you think that nds-hb-menu would fix the issue.

Using DevKitProPacman in either macos (and getting pacman installed on macos is a whole thing that is not accurately described in the wiki but that's an issue for devkit) or Windows 10 to Makefile.nds results in the following fatal error:
C:/Users/Wouldn'tYouLikeToKnow/Documents/GitHub/uxnds/arm9/source/nds_keyboard.c:8:10: fatal error: gfx_keyboard.h:
No such file or directory
8 | #include "gfx_keyboard.h"
| ^~~~~~~~~~~~~~~~
compilation terminated.
make[2]: *** [/opt/devkitpro/devkitARM/base_rules:39: nds_keyboard.o] Error 1
make[1]: *** [Makefile:124: build] Error 2
make[1]: Leaving directory '/home/Wouldn'tYouLikeToKnow/Documents/GitHub/uxnds/arm9'
make: *** [Makefile.nds:35: checkarm9] Error 2

Make will not complete.

Would it be possible to use https://github.com/SBRK/dsmi for MIDI over Wifi support in the NDS?

how do i actually install this on my 3ds? i have no idea how to do that but I really want to.

I have confirmed the rom does exist its just not finding it.
the path to the rom is (root/Apps/unxDS/unx/boot.rom)

I have booted up with hbmenu, put launcher.rom as uxn/boot.rom on my sdcard in a DSONE clone flash cart.

I get a nice debug display that keeps updating on one screen and the character logo + "0/0" and "Empty Folder" on the other screen. I placed many .rom files in uxn/ on the sdcard.

I tried moving the rom files to uxn/uxn/ and also the root, /, out of curiosity but that didn't change the behavior.

I tried booting the uxnds_debug directly instead of with hbmenu, same behavior.

I copied piano.rom from uxn build to uxn/boot.rom and that starts and works, makes noise etc 👍

Seems like this might be a bug in uxnds file system implementation? Since the roms basically work just can't see the rom files in uxn/

I think this is where the message comes from:
https://git.sr.ht/~rabbits/uxn/tree/main/item/projects/software/launcher.tal#L307

Usually, when homebrew is installed in the 3ds, it goes to the /3ds folder, which is the one that the homebrew launcher has assigned by default, but when trying to start it from there, the screen stays black and the bottom screen shows an error message, then if you do not press start to return to homebrew launcher the console crashes and creates an error code, and then it turns off.

• My solution was to take the executable "uxnds.3dsx" to the root of the sd card and paste it next to the "unx" rom folder in this way when executed it goes directly to the launcher as expected and from a very uneducated opinion it seems that everything works as it should from that point on.

The 3ds build fails to boot when the uxn directory is relative (not /uxn).
It seems to look for boot.rom (in uxn subdirectory or in /uxn) or launcher.rom (only /uxn), which fails in the default installation.

Crashes with Halted: Working-stack underflow#0038, at 0x05c3 when loading launcher.rom on DSi hardware

launcher.rom on uxnds 0.3.4:

launcher.rom on uxnds 0.3.5:

This change was added to help with the drop/roll/pick microcode implementation and as to follow the machineforth order:

The only thing that changes is the order of the opcodes, the uxngba port uses a very similar uxn.c file to yours, I'm not sure if it's just a matter of copy/pasting it.

This is possibly the last change to the uxn core, ever.

(I am using a dsi xl with twilightmenu++ and unlaunch)

first program that does this is BOOT.rom

second program that does this is turye.rom

asma.rom doesn't work at all

the next rom is left.rom

the next rom is nasu.rom

The possibility to save and perform other necessary actions to control all the roms is disabled, as the CTRL button on the keyboard doesn't allow for shortcuts

The datetime device gets the correct time when the program starts, but then doesn't update the time afterwards.

Running on melonDS produces the following status message on boot:

RTC INTERRUPT ON: 41

libdns ties the real time clock update to the network interrupt handler. Is it possible that that's being overwritten/disabled somewhere in your code?

Playing with https://git.sr.ht/~rabbits/left I notice that keys don't auto-repeat on the uxnds keyboard and that I can't seem to do any control sequences like c-o, c-r or c-s to rename/save a file.

Works great otherwise, just need a pen! :O

The new uxn specs is making use of the 3 free opcodes (0x20, 0x40 and 0x60), see refs to basically addsrelative immediate jumps.

case 0x20: /* JCI */ POP8(b) if(!b) { pc += 2; break; }
case 0x40: /* JMI */ PEEK16(a, pc) pc += a + 2; break;
case 0x60: /* JSI */ PUSH16(u->rst, pc + 2) PEEK16(a, pc) pc += a + 2; break;

See example implementation. There aren't many roms that make use of this yet, it'll roll out slowly during the next few months. But left.rom does use the new opcodes, so if anything shows up then it's a good sign.

In the boot rom I am unable to select some options because a press of the d-pad (or movement on joystick) moves two spaces in the list, one on button down and one on button up. Same problem in orca.

Just tested and it's the same for the NDS or 3DS versions. (I'm running both on a N3DSXL if that matters)

It seems there is no right-clic support.
Some uxn apps require this :)

Using latest 0.3.5 release with DS One loader (not sure about this exactly, which version and such).

Previously graphics were working mostly, just file select was broken I think.

With this version the graphics seems mostly blank with just a few pixels drawn.

On start I get Halted: Working-stack underflow#0030, at 0x053b and not much more can be done.

This is using uxnds_debug.nds.

If I use the uxnds.nds I get a bit more of the screen drawn and see some changes when tapping on the touchscreen device.

I did reload the uxn roms from https://rabbits.srht.site/uxn/uxn-essentials-mac64.zip just now and that didn't seem to change things, thought maybe there was some API change or something causing the stack problem.

https://wiki.xxiivv.com/site/varvara.html

I installed Delta from the altsore to get a nintendo DS emulator running on my non jailbroken iphone. I'm trying to test uxnds and after running the uxnds_debug I get Error FAT init: Failed