diff --git a/WEGA/src/uts/dev/tt0.c b/WEGA/src/uts/dev/tt0.c
new file mode 100644
index 0000000..da14f62
--- /dev/null
+++ b/WEGA/src/uts/dev/tt0.c
@@ -0,0 +1,534 @@
+
+
+
+#include <sys/param.h>
+#include <sys/state.h>
+#include <sys/conf.h>
+#include <sys/dir.h>
+#include <sys/file.h>
+#include <sys/ioctl.h>
+#include <sys/tty.h>
+#include <sys/ttold.h>
+#include <sys/sysinfo.h>
+#include <sys/proc.h>
+#include <sys/inode.h>
+#include <sys/mmu.h>
+#include <sys/s.out.h>
+#include <sys/user.h>
+
+extern putcb();
+
+ttioctl(tp, com, arg)
+
+register struct tty *tp;
+int com;
+long arg;
+
+{
+
+	ushort ldmode;
+
+	if (com !=(short) LDCHG) return;
+	ldmode = tp->t_lflag ^ arg;
+	if (!(ldmode & ICANON)) return;
+	dvi();
+	if (tp->t_canq.c_cc){
+		if (tp->t_rawq.c_cc){
+			tp->t_canq.c_cc += tp->t_rawq.c_cc;
+			tp->t_canq.c_cl->c_next = tp->t_rawq.c_cf;
+			tp->t_outq.c_cf = tp->t_rawq.c_cl;
+		}
+		tp->t_rawq = tp->t_canq;
+		tp->t_canq = ttnulq;
+	}
+	tp->t_delct = tp->t_rawq.c_cc;
+	evi();
+}
+#include <sys/param.h>
+#include <sys/state.h>
+#include <sys/conf.h>
+#include <sys/dir.h>
+#include <sys/file.h>
+#include <sys/ioctl.h>
+#include <sys/tty.h>
+#include <sys/ttold.h>
+#include <sys/sysinfo.h>
+#include <sys/proc.h>
+#include <sys/inode.h>
+#include <sys/mmu.h>
+#include <sys/s.out.h>
+#include <sys/user.h>
+
+
+ttout(tp)
+
+register struct tty *tp;
+{
+	return;
+}
+
+
+extern timeout();
+tttimeout(tp)
+
+register struct tty *tp;
+
+{
+
+	tp->t_state &= ~TACT; /* timeout waiting on rawq */
+	if (tp->t_lflag & ICANON) return; /* enable canonicalization */
+	if (tp->t_cc[VTIME] == 0) return; /* time out */
+	if (( tp->t_rawq.c_cc == 0) && (tp->t_cc[VMIN])) return;
+	if (tp->t_state & RTO){ /* timeout waiting on rawq */
+		tp->t_delct = 1;
+		if (!(tp->t_state & IASLP)) return; /* wakeup when input done */
+		tp->t_state &= ~IASLP;
+		wakeup(tp);
+		return;
+	}
+	tp->t_state |= (RTO | TACT);
+	timeout(tttimeout, tp, tp->t_cc[VTIME] * 6);
+}
+
+#include <sys/param.h>
+#include <sys/state.h>
+#include <sys/conf.h>
+#include <sys/dir.h>
+#include <sys/file.h>
+#include <sys/ioctl.h>
+#include <sys/tty.h>
+#include <sys/ttold.h>
+#include <sys/sysinfo.h>
+#include <sys/proc.h>
+#include <sys/inode.h>
+#include <sys/mmu.h>
+#include <sys/s.out.h>
+#include <sys/user.h>
+
+extern char partab[];
+
+ttxput(tp, arg, count)
+
+register struct tty *tp;
+union { 
+	long c;
+	struct cblock *cb;
+	struct
+	    {
+		char l_l;
+		char l_r;
+		char r_l;
+		char r_r;
+	} 
+	byte;
+} 
+arg;
+int count;
+
+{
+
+	register ch;
+	register ushort mode;
+	register char *cp;
+	char *colp;
+	int pch, vch;
+	struct cblock *cbp;
+
+	mode = tp->t_oflag;
+	if (tp->t_state & OEXTPROC)
+		mode &= ~OPOST;
+	if (!(count)) {
+		if (tp->t_outq.c_cc >= TTYHOG) return;
+		count++;
+		if (!(mode & OPOST)){
+			sysinfo.outch++;
+			putc(arg.r_r, &tp->t_outq);
+			return;
+		}
+		else {
+			cp = &arg.r_r;
+			cbp = 0;
+		}
+	}
+	else {
+		if (!(mode & OPOST)){
+			sysinfo.outch += count;
+			putcb(arg.c, &tp->t_outq);
+			return;
+		}
+		else {
+			cp = &arg.cb->c_data[arg.cb->c_first];
+			cbp = arg.cb;
+		}
+	}
+	while(count--){
+		ch = (unsigned char) (*cp++);
+		if (ch >= DELAYDEL){ /* b7 */
+			if (ch == DELAYDEL)
+				putc(DELAYDEL, &tp->t_outq);
+			sysinfo.outch++;
+			putc(ch, &tp->t_outq);
+			continue;
+		} 
+		if (tp->t_lflag  & XCASE){
+			for ( colp = "({)}!|^~'`\\"; (*colp++); )
+				if (ch  == *colp++){
+					tp->t_lflag &= ~XCASE;
+					ttxput(tp, (long)'\\', 0);
+					tp->t_lflag |= XCASE;
+					ch = *(colp - 2);
+					break;
+				}
+			if ((ch >= 'A') && (ch <= 'Z')){
+				tp->t_lflag &= ~XCASE;
+				ttxput(tp, (long)'\\', 0);
+				tp->t_lflag |= XCASE;
+			}
+		}
+		if (mode & OLCUC)
+			if ((ch >= 'a') &&
+			    (ch <= 'z'))
+				ch += 'A'-'a';
+		vch = ch;
+		pch = partab[ch];
+		colp = &tp->t_col;
+		ch = 0;
+		switch (pch & 077){
+		case 0:
+			(*colp)++;
+			break;
+		case 2:
+			if (mode & BS1)
+				ch = 2;
+			if (*colp)
+				(*colp)--;
+			break;
+		case 3:
+			if (!(mode & ONLRET)){
+				if (mode & ONLCR){
+					if ((!(mode & ONOCR)) ||
+					    (*colp)){
+						sysinfo.outch++;
+						putc('\r', &tp->t_outq);
+					}
+				}
+				else 
+					goto nldly;
+			}
+			goto crdly;
+		case 4:
+			ch = 8 - (*colp & 7);
+			*colp += ch;
+			pch = mode & TABDLY;
+			if (pch == 0){
+				ch = 0;
+				break;
+			}
+			if (pch == TAB1){
+				if (ch < 5) 
+					ch = 0;
+				break;
+			}
+			if (pch == TAB2){
+				ch = 2;
+				break;
+			}
+			if (pch == TAB3){
+				sysinfo.outch += ch;
+				do
+				    putc(' ', &tp->t_outq);
+				while (--ch);
+				continue;
+			}
+			break;
+		case 5:
+			if (mode & VTDLY)
+				ch = 0x7f;
+			break;
+		case 6:
+			if (mode & OCRNL){
+				vch = '\n';
+nldly:					
+				if (mode & NLDLY)
+					ch = 5;
+				break;
+			}
+			if ((mode & ONOCR) &&
+			    (*colp == 0))
+				continue;
+crdly:				
+			pch = mode & CRDLY;
+			if (pch == CR1){
+				if (*colp)
+					ch  = max((*colp>>4)+3, 6);
+			}
+			else
+				if (pch == CR2)
+					ch = 5;
+				else
+					if (pch == CR3)
+						ch = 9;
+			*colp = 0;
+		case 1:
+		default:
+			break;
+		case 7:
+			if (mode & FFDLY)
+				ch = 0x7f;
+		}
+		sysinfo.outch++;
+		putc(vch, &tp->t_outq);
+		if (ch){
+			if ((ch < ' ') &&
+			    (mode & OFILL)){
+				if (mode & OFDEL)
+					vch = 0x7f;
+				else
+					vch = 0;
+				putc(vch, &tp->t_outq);
+				if (ch > 3)
+					putc(vch, &tp->t_outq);
+
+			}
+			else {
+				putc(DELAYDEL, &tp->t_outq);
+				putc(ch | DELAYDEL, &tp->t_outq);
+			}
+		}
+		/* }
+												 else {
+													putc(DELAYDEL, &tp->t_outq);
+													sysinfo.outch++;
+													putc(ch, &tp->t_outq);
+													continue;
+												} */
+	} /* von while */
+	if  (cbp)
+		putcf(cbp);
+}
+
+
+#include <sys/param.h>
+#include <sys/state.h>
+#include <sys/conf.h>
+#include <sys/dir.h>
+#include <sys/file.h>
+#include <sys/ioctl.h>
+#include <sys/tty.h>
+#include <sys/ttold.h>
+#include <sys/sysinfo.h>
+#include <sys/proc.h>
+#include <sys/inode.h>
+#include <sys/mmu.h>
+#include <sys/s.out.h>
+#include <sys/user.h>
+
+extern putcb();
+
+ttin(tp, c, count)
+
+register struct tty *tp;
+long c;
+int count;
+
+{
+
+	register ushort ch;
+	register ushort mode;
+	register char *cp;
+	char *csp;
+
+	mode = tp->t_iflag;
+	if (count){
+		if (count == 1)
+			goto L214;
+		putcb(c, tp);
+		sysinfo.rawch += count;
+		cp = &c->c_data[c->c_first];
+L5a:			
+		if (tp->t_rawq.c_cc <= TTXOHI) { /* 3 */
+L62:			
+			mode = tp->t_lflag;
+			if ((tp->t_state & IEXTPROC) ||
+			    (mode == 0)){ /* 4,5 */
+				if (!(mode & ICANON)){/* 6 */
+					tp->t_state &= ~RTO;
+					if (tp->t_cc[VMIN] <= tp->t_rawq.c_cc) /* 7 */
+						tp->t_delct = 1;
+					else
+						if ((tp->t_cc[VTIME]) &&
+						    ((tp->t_state & TACT) == 0)) /* 72,73 */
+							ttimeout(tp);
+					if ((tp->t_delct) == 0) return; /* 74 */
+				}
+				if (tp->t_state & IASLP) { /* 75 */
+					tp->t_state &= ~IASLP;
+					wakeup(tp);
+				}
+				return;
+			}
+			if (count--){ /* 67 */
+				ch = *cp++;
+				mode = tp->t_lflag;
+				if (!(mode & ISIG)){ /* 68 */
+L494:						
+					if (mode & ICANON){ /* 69 */
+						if (ch == '\n'){ /* 70 */
+							if (mode & ECHONL)
+								mode |= ECHO;
+							tp->t_delct++;
+						} 
+						else
+							if (ch == tp->t_cc[VEOL])
+								tp->t_delct++;
+						if ((tp->t_state & ESC) == 0){ /* 50 */
+							if (ch == '\\')
+								tp->t_state |= ESC;
+							if ((ch == tp->t_cc[VERASE]) &&
+							    (mode & INPCK)){ /* 52,53 */
+								if (mode & ECHO) /* 54 */
+									ttxput(tp, (long) CERASE, 0);
+								mode |= ECHO;
+								ttxput(tp, (long) ' ', 0);
+								ch = CERASE;
+							} /* von 52,53 */
+							else if ((ch == tp->t_cc[VKILL]) &&
+							    (mode & ISTRIP)){ /* 55,56 */
+								if ((mode & ECHO) &&
+								    (mode & ISPCI)){ /* 57,58 */
+									for ( csp = &"???"; (*csp);)
+										ttxput(tp, (long) *csp++, 0);
+									(*tp->t_proc)(tp, T_OUTPUT);
+								}
+								ttxput(tp, (long) ch, 0);
+								mode |= ECHO;
+								ch = '\n';
+							}
+							else if (ch != tp->t_cc[VEOF]) /* 60 */
+								if ((mode & ECHO) &&
+								    (mode & ISPCI)){ /* 61,62 */
+									for ( csp = &"(eof)"; (*csp);)
+										ttxput(tp, (long) *csp++, 0);
+									(*tp->t_proc)(tp, T_OUTPUT);
+								}
+							mode &= ~ECHO;
+							tp->t_delct++;
+						}
+						else if ((ch == '\\') ||
+						    (mode & XCASE)) /* 64,65 */
+							tp->t_state  &= ~RTO;
+					}
+					if (mode & ECHO) /* 66 */
+						ttxput(tp, (long) ch, 0);
+					(*tp->t_proc)(tp, T_OUTPUT);
+				} /* von 68 */
+				else {
+					if (ch != tp->t_cc[VINTR]){ /* 43 */
+						if (ch == tp->t_cc[VQUIT]) /* 44 */
+							goto L494;
+						if (!(mode & NOFLSH))
+							ttyflush(tp, T_RESUME);
+						if ((mode & ECHO) ||
+						    (mode & ISPCI)){ /* 46,47 */
+							for ( csp = &"(quit)"; (*csp); csp++)
+								ttxput(tp,(long) *csp, 0);
+							(*tp->t_proc)(tp, T_OUTPUT);
+						} /* von 43 */
+					}
+					else {
+						if (!(mode & NOFLSH))
+							ttyflush(tp, T_RESUME);
+						if ((mode & ECHO) &&
+						    (mode & ISPCI)) /* 40,41 */{
+							for ( csp = &"(intr)"; (*csp); csp++)
+								ttxput(tp, (long) *csp, 0);
+							(*tp->t_proc)(tp, T_OUTPUT);
+						} /* von 40,41 */
+					}
+				} /* von 68 else */
+			} /* von 67 */
+			if (!(mode & ICANON)){ /* 6 */
+				if (tp->t_cc[VMIN] <= tp->t_rawq.c_cc)
+					tp->t_delct = 1;
+				if ((tp->t_cc[VTIME]) &&
+				    ((tp->t_state & TACT) == 0))
+					tttimeout(tp);
+			} /* von 6 */
+			if ((tp->t_delct) &&
+			    (tp->t_state & IASLP)){ /* 74,75 */
+				tp->t_state &= ~IASLP;
+				wakeup(tp);
+			}
+			return;
+		} /* von 3 */
+		else {
+			if ((mode & IXOFF)&&
+			    (tp->t_state & TBLOCK)) /* 8,9 */
+				(*tp->t_proc)(tp, T_BLOCK);
+			if (tp->t_rawq.c_cc <= TTYHOG) /* 10 */
+				goto L62;
+			else
+				ttyflush(tp, T_TIME);
+			return;
+		} /* 3 von else */
+	} /* von 1 */
+	else {
+		count++;
+		ch = c.half.left;
+		if ((ch & IXOFF) &&
+		    (!(mode & INPCK))) /* 13,14 */
+			ch &= ~PERROR;
+		if (ch & (OVERRUN | FRERROR | PERROR)){ /* 15 */
+			if (ch & 0xff){ /* 16 */
+				if (mode & IGNPAR) return;
+				if (mode & IGNBRK) return;
+				if (mode & BRKINT){ /* 12 */
+					signal(tp->t_pgrp, SIGINT);
+					ttyflush(tp, T_RESUME);
+					return;
+				}
+			} /* von 16 */
+			if (mode & PARMRK){ /* 18 */
+				ttin(tp, (long) 0xff, 1);
+				ttin(tp, (long) 0, 1);
+			}
+			else
+				ch = 0;
+			ch |= ICRNL;
+		} /* von 15 */
+		else { 
+			if (mode & ISTRIP) /* 23 */
+				ch &= 0x7f;
+			else
+				if (((ch & 0xff)== 0xff) &&
+				    (mode & PARMRK) &&
+				    (putc( 0xff, tp))) /* 24,25,26 */ return;
+		}
+		if (mode & IXON){ /* 19 */
+			if (tp->t_state & TTSTOP)
+				if ((ch == CSTART) ||
+				    (mode & IXANY)) /* 21,22 */
+					(*tp->t_proc)(tp, T_RESUME);
+			if (ch  == CSTART) return;
+			if (ch == CSTOP) return;
+		}
+		if ((ch == '\n')&& 
+		    (mode & INLCR)) /* 30,31 */
+			c = '\r';
+		else {
+			if (c == 0xd){ /* 32 */
+				if (mode & IGNCR) return;
+				if (mode & ICRNL)
+					c = '\n';
+			}
+		}
+	}
+	if (mode & IUCLC)  /* 35 */
+		c = toupper(c);
+L214:			
+	if (putc(c, tp)){/* 38 */
+		sysinfo.rawch++;
+		cp = &lobyte(c.half.right);
+		goto L5a;
+	}
+}