z00m's speccy knowledge base https://wiki.darkbyte.sk/ 2026-04-17T23:41:17+00:00 z00m's speccy knowledge base https://wiki.darkbyte.sk/ https://wiki.darkbyte.sk/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2024-03-23T14:47:04+00:00 darkbyte (darkbyte@undisclosed.example.com) qemu_libvirt https://wiki.darkbyte.sk/doku.php?id=qemu_libvirt&rev=1711205224&do=diff qemu / libvirt / vbox tricks ---------- Get Windows 10/11 activation key from BIOS If you are unable to activate Windows in the virtual machine, but you have the activation key in the BIOS, it can be extracted using the following command: strings /sys/firmware/acpi/tables/MSDM text/html 2024-03-23T14:40:14+00:00 darkbyte (darkbyte@undisclosed.example.com) linux https://wiki.darkbyte.sk/doku.php?id=linux&rev=1711204814&do=diff Linux tips & tricks ---------- * keyb-layout (how to switch keyb layouts in X) * keyb-indicator (xxkb - simple keyboard layout indicator) * no-icons-gtk2 (missing icons in gtk2 applications) * disable-f10 (disable F10 key binding in terminal) * SLiM (get rid of “failed to execute login command text/html 2022-07-24T15:05:42+00:00 darkbyte (darkbyte@undisclosed.example.com) space-saving-numbers https://wiki.darkbyte.sk/doku.php?id=space-saving-numbers&rev=1658675142&do=diff Space saving numbers in BASIC ---------- Int Real Basic === ==== ===== -5 -4.9 TAN SQR PI -3 -3.1 -PI -2 -1.5 TAN COS PI -1 -1 COS PI -1 -.990 COS INT PI -1 -.912 SIN EXP PI -1 -.862 COS PEEK PI -1 -.506 SIN PEEK PI 0 -.409 COS EXP PI 0 -.043 EXP -PI 0 -7.3e-10 SIN -PI 0 0 NOT PI, SIN PI, TAN PI 0 7.3e-10 TAN -PI 0 0.14 SIN INT PI 0 0.36 EXP COS… text/html 2020-04-09T20:42:01+00:00 darkbyte (darkbyte@undisclosed.example.com) sqplayerplus - created https://wiki.darkbyte.sk/doku.php?id=sqplayerplus&rev=1586464921&do=diff SQ-Tracker player, enhanced ---------- device zxspectrum128 org $8000 DEMOPLAY di ld sp,DEMOPLAY call SQ_INIT .loop ei halt ld a,1 out (254),a call SQ_PLAY xor a out (254),a jr .loop ; Povodny player generovany SQ-Linkerom doplneny o GLOBVOL, ; tj. moznost globalneho utlmenia ~ © 2009 mborik/RM-TEAM. ; Upravene na prehravanie SQT suborov, ktorym je potrebne ; na zaciatku relokovat absolutne adresy, dalej bol doplneny ; stavovy bajt podobny aky ma moj PT3 player, ci… text/html 2020-04-09T20:39:31+00:00 darkbyte (darkbyte@undisclosed.example.com) sound https://wiki.darkbyte.sk/doku.php?id=sound&rev=1586464771&do=diff Sound subroutines ---------- * sqplayer (sk) * sqplayerplus (sk) * pt3player * pt3player-asl * p3xplayer * p3xplayer-sjasmplus * p3xtraplayer * zx10 (sk) ---------- Navigation: general . math . graphic . system . other . back to start text/html 2018-05-15T17:52:39+00:00 darkbyte (darkbyte@undisclosed.example.com) upx - created https://wiki.darkbyte.sk/doku.php?id=upx&rev=1526406759&do=diff UPX executable packer ---------- Useful directives Applies to Windows OS only To make .exe file without overlay, try this command: upx.exe --best -vk --overlay=skip --compress-icons=0 your-executable.exe ---------- Navigation: asm . compilation . linux . windows . mac . back to text/html 2018-05-15T17:49:15+00:00 darkbyte (darkbyte@undisclosed.example.com) windows https://wiki.darkbyte.sk/doku.php?id=windows&rev=1526406555&do=diff Windows tips & tricks ---------- * VirtualBox (issues with VBox) * upx (executable packer directives) ---------- Navigation: asm . compilation . linux . windows . mac . back to start text/html 2018-02-02T09:05:56+00:00 darkbyte (darkbyte@undisclosed.example.com) dosbox https://wiki.darkbyte.sk/doku.php?id=dosbox&rev=1517562356&do=diff dosbox issues ---------- Mouse If mouse jumps all over the screen, or it is locked in the corner, or does not allow to have a good control, it is caused probably by autolock function. So try setting it to the opposite of whatever it currently is. text/html 2018-02-02T08:54:43+00:00 darkbyte (darkbyte@undisclosed.example.com) virtualbox https://wiki.darkbyte.sk/doku.php?id=virtualbox&rev=1517561683&do=diff Virtual Box issues ---------- USB not working at all in guest Applies to Windows OS only After I changed computer, I had problems with passing through USB devices from Windows host to guest, which I used before without problems on old computer. The behaviour was wierd - all devices were visible from guest dropdown menu, but when I tried to connect them, nothing happened, and on second try there was an error: text/html 2018-01-23T17:22:48+00:00 darkbyte (darkbyte@undisclosed.example.com) padsp - created https://wiki.darkbyte.sk/doku.php?id=padsp&rev=1516728168&do=diff /dev/dsp not found? ---------- Do you have some older program which uses /dev/dsp device? It no longer works with ALSA or PulseAudio, without further configuration. But if you use PulseAudio there is simple solution - padsp. padsp starts the specified program and redirects its access to text/html 2017-11-25T16:42:48+00:00 darkbyte (darkbyte@undisclosed.example.com) bin-to-db https://wiki.darkbyte.sk/doku.php?id=bin-to-db&rev=1511628168&do=diff Convert binary file to defb for source ---------- Run this command in linux console: hexdump -ve '"\t""\t""db""\t" 7/1 "#%02X, " 1/1 " #%02X" "\n"' $1 | sed -r 's/(, # )+$/\n/' where $1 is your binary file. ---------- Navigation: asm . compilation . linux . windows .