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3 dayskernel: CGB double-speed mode - 2x everything (1.99x measured)user4-6/+31
3 daysterm: latch SCY in VBlank - fix ring-scroll shear on live displaysuser3-5/+25
3 daysterm: SCY ring-scroll - scroll writes ONE map row; OSK toggle is 212 cyclesuser2-77/+112
3 daysterm: 3 more renderer wins - 10.9x scroll, 2.7x putc vs pre-cacheuser1-101/+141
3 daysterm: cache tile attrs in COL_BUF's spare stride bytes (3.5x scroll)user1-28/+38
3 daysterm: 7-color terminal (per-glyph fg+bg) + ANSI escapes; colorize ircuser4-29/+549
4 dayskernel: a real timer source (64 Hz tick IRQ) + uptime(1)user7-6/+70
4 dayskernel: dmesg-style boot spew before init spawnsuser5-2/+330
4 daysrefactor: c/ -> usr/, compiled program blobs out of the source treeuser1-31/+31
4 daysnet: reject out-of-order TCP segments (accept only seq == rcv_nxt, re-ACK dups)user1-0/+46
4 daysterm: dark mode - black background, white text (OSK highlight inverts to match)user2-12/+17
4 daysirc: a bitchx/irssi-style IRC clientuser1-0/+7
4 daysnet: SYS_POLLCON + larger console ring for link-injected inputuser3-3/+19
4 daysnet: fix truncated TCP field offsets corrupting multi-segment recvuser1-4/+10
4 daysnet: unbreak ping against hosts that intermittently drop ICMPuser1-3/+54
4 daysnet: pump the network from the console wait (answer pings at the prompt)user3-42/+85
4 daysnet: DHCP client - lease the IP at boot instead of hardcoding ituser2-29/+75
5 dayskernel: sys_sleep - a cooperative delay off the DIV timer (+ ping pacing)user2-0/+44
5 daysnet: keep network packets out of the console (fixes shell garbage on netboot)user2-0/+24
5 daysnet: TCP sockets in the kernel - a Game Boy fetches HTTP over real TCPuser1-8/+678
5 daysnet: UDP sockets in the kernel + a DNS resolver (real hostname lookups)user2-21/+328
5 daysnet: proper socket API in the kernel (SYS_NET) - no more SLIP in userlanduser3-0/+756
5 daysnet: ping - GB-originated ICMP echo (a Game Boy pings the real internet)user1-0/+7
5 daysnet: real IP stack, milestone A - ICMP echo (you can ping a Game Boy)user1-0/+7
5 daysnet: chat client - async receive + OSK send over the link portuser3-0/+31
5 daysnet: wget - real HTTP over the link port via the gatewayuser1-0/+7
5 daysnet: SLIP framing over the link port + a host gateway (echo round-trip)user3-0/+50
5 dayspipe: PIPE_MAX 2->4 (5-stage pipelines) + fix cross-yield byte corruptionuser1-9/+22
5 dayskernel+sh: real anonymous pipes (concurrent, streaming, SIGPIPE)user5-1/+256
5 daysterm: compute the OSK view offset from the cursor row (keep input visible)user2-17/+33
5 daysterm/osk: view-offset scroll region (lossless backlog on OSK toggle)user2-62/+35
5 daysterm/osk: scroll region so the OSK never hides the input lineuser3-12/+69
5 daysosk: bind START to Enter (CR)user1-0/+7
5 dayssh: handle backspace in readline; prompt is now '#'user1-1/+14
5 daysosk: wrap the cursor around all four edgesuser1-19/+27
5 daysosk: toggle-able on-screen keyboard on the window layeruser5-7/+411
5 dayssyscall: mirror console output to the LCD terminaluser3-2/+18
5 daysterm: cursor + O(1) line scrollinguser2-209/+455
5 daysfont: full mixed-case + punctuation glyph set (not uppercase-only)user2-102/+102
5 daysterm: 40-column text terminal on the CGB LCD (4x8 dynamic tiles)user3-0/+482
6 daysfs: reject open()/read() on a directory (EISDIR)user1-0/+10
6 daysfs rewrite stage 3: nested directories, paths, cwd (cd/mkdir/ls)user5-36/+360
6 daysfs rewrite stage 2: inodes + root directory (block-based, persistent)user4-260/+616
6 daysfs rewrite stage 1: persistent block device (bounce buffer, cart SRAM)user4-1/+178
6 daysjobs: background execution (&), non-blocking reap, spin demouser2-0/+65
6 dayskill + ps: implement SYS_KILL (pid 1 immortal) and a ps tooluser4-3/+202
6 daysshell: I/O redirection (>/<) and pipes (|); rewrite shell in Cuser4-154/+193
6 daysfilesystem: a RAM FS (WRAMX) + ls/cat/save/rm; wc/head read filesuser5-2/+486
6 daystools: wc, head, and an argc/argv demo (args) + libc.c helpersuser1-0/+21
6 dayslibc + CLI tools: a small C userlanduser1-3/+68