Subhobhai943/SUB-OS
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feat: Smooth Snake game rendering and expand kernel subsystems

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- Implement flicker-free atomic double-buffered frame rendering and sub-tick input polling in userland/lazybox/snake.c
- Add multi-input support (PS/2 keyboard scancodes and serial ANSI arrow escape sequences)
- Add sound effects (food beep, game over chime) and live speed scaling (+/- keys, P to pause)
- Add POSIX /dev/shm shared memory subsystem in ipc/shm_posix.c and include/ipc/shm_posix.h
- Add DNS resolver cache with TTL tracking in net/ipv4/dns_cache.c and include/net/dns_cache.h
- Add audio tone and jingle synthesizer in sound/beep.c and include/sound/beep.h
- Add %o octal formatting support in lib/vsprintf.c
- Add LazyBox applets: 'shm', 'dnscache', and 'beep'
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subhobhai943 committed 2026-08-21 01:47:37 +05:30
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commit 6f7f60bf53
13 files changed
+495 -56
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README.md
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@@ -203,10 +203,10 @@ make run-gui
|---|---|
| **Core & Shell** | `lazybox`, `sh`, `echo`, `env`, `export`, `whoami`, `id`, `date`, `cal`, `jsonquery`, `subi` |
| **Filesystem & Search** | `nano`, `ls`, `cat`, `touch`, `mkdir`, `rm`, `cp`, `pwd`, `cd`, `tree`, `find`, `wc`, `head`, `tail`, `stat`, `df`, `mkfs.vfat`, `grep`, `hexdump`, `dcache` |
| **Networking & Routing** | `ifconfig`, `ping`, `traceroute`, `arp`, `dhclient`, `nslookup`, `netstat`, `iptables`, `rfilter`, `httpd`, `sshd`, `curl`, `wget`, `ssh` |
| **Hardware & Storage** | `lspci`, `lsdev`, `lsblk`, `fdisk`, `hdparm`, `sensors`, `speaker`, `mouse`, `alsamixer`, `tts`, `virtinfo` |
| **Networking & Routing** | `ifconfig`, `ping`, `traceroute`, `arp`, `dhclient`, `nslookup`, `dnscache`, `netstat`, `iptables`, `rfilter`, `httpd`, `sshd`, `curl`, `wget`, `ssh` |
| **Hardware & Storage** | `lspci`, `lsdev`, `lsblk`, `fdisk`, `hdparm`, `sensors`, `speaker`, `beep`, `mouse`, `alsamixer`, `tts`, `virtinfo` |
| **Security & Cryptography** | `su`, `passwd`, `useradd`, `certcheck`, `capsh`, `ipcs`, `chacha20`, `sha3sum`, `base64`, `cryptobench` |
| **SUB Language & System** | `subinfo`, `subpower`, `subbench`, `subquote`, `pstree`, `kill`, `systemctl`, `service`, `crontab`, `logger`, `logread`, `watchdog`, `rustinfo`, `cppinfo`, `cpptest` |
| **SUB Language & System** | `subinfo`, `subpower`, `subbench`, `subquote`, `pstree`, `kill`, `shm`, `systemctl`, `service`, `crontab`, `logger`, `logread`, `watchdog`, `rustinfo`, `cppinfo`, `cpptest` |
| **Entertainment & Games** | `snake`, `matrix`, `calc` |
| **Kernel & Tracing** | `lsmod`, `insmod`, `rmmod`, `slabinfo`, `trace`, `unshare`, `io_uring_test` |
| **Diagnostics & Metrics**| `neofetch`, `uname`, `free`, `uptime`, `top`, `htop`, `ps`, `dmesg`, `vmstat`, `iostat` |