diff --git a/BESM6/besm6_cpu.c b/BESM6/besm6_cpu.c
index 5f60bbd4..75d13947 100644
--- a/BESM6/besm6_cpu.c
+++ b/BESM6/besm6_cpu.c
@@ -80,6 +80,7 @@ jmp_buf cpu_halt;
 t_stat cpu_examine (t_value *vptr, t_addr addr, UNIT *uptr, int32 sw);
 t_stat cpu_deposit (t_value val, t_addr addr, UNIT *uptr, int32 sw);
 t_stat cpu_reset (DEVICE *dptr);
+t_stat cpu_req (UNIT *u, int32 val, char *cptr, void *desc);
 
 /*
  * CPU data structures
@@ -131,7 +132,8 @@ REG cpu_reg[] = {
 
 MTAB cpu_mod[] = {
     { MTAB_XTD|MTAB_VDV, 0, "IDLE", "IDLE", &sim_set_idle, &sim_show_idle, NULL, "Display idle detection mode" },
-    { MTAB_XTD|MTAB_VDV, 0, NULL, "NOIDLE", &sim_clr_idle, NULL, NULL,  "Disables idle detection" },
+    { MTAB_XTD|MTAB_VDV, 0, NULL, "NOIDLE", &sim_clr_idle, NULL,           NULL,  "Disables idle detection" },
+    { MTAB_XTD|MTAB_VDV, 0, NULL, "REQ",    &cpu_req,      NULL,           NULL,  "Sends a request interrupt" },
     { 0 }
 };
 
@@ -342,6 +344,15 @@ t_stat cpu_reset (DEVICE *dptr)
     return SCPE_OK;
 }
 
+/*
+ * Request routine
+ */
+t_stat cpu_req (UNIT *u, int32 val, char *cptr, void *desc)
+{
+    GRP |= GRP_PANEL_REQ;
+    return SCPE_OK;
+}
+
 /*
  * Write Unicode symbol to file.
  * Convert to UTF-8 encoding:
diff --git a/BESM6/besm6_tty.c b/BESM6/besm6_tty.c
index c3ddefd9..418f257b 100644
--- a/BESM6/besm6_tty.c
+++ b/BESM6/besm6_tty.c
@@ -306,10 +306,22 @@ t_stat tty_attach (UNIT *u, char *cptr)
     char gbuf[CBUFSIZE];
     int r, m, n;
 
-    /* All arguments but the magic word "console" are passed
+    /* All arguments but the magic words "console" and "none" are passed
      * to tmxr_attach().
      */
     get_glyph (cptr, gbuf, 0);
+    /* Disallowing future connections to a line */
+    if (strcmp (gbuf, "NONE") == 0) {
+        /* Marking the TTY as unusable. */
+        tty_line[num].conn = 1;
+        tty_line[num].rcve = 0;
+        if (num <= TTY_MAX) {
+            vt_mask &= ~(1 << (TTY_MAX - num));
+            tt_mask &= ~(1 << (TTY_MAX - num));
+        }
+        besm6_debug ("*** turning off T%03o", num);
+        return SCPE_OK;
+    }
     if (strcmp (gbuf, "CONSOLE")) {
         /* Saving and restoring all .conn,
          * because tmxr_attach() zeroes them. */
@@ -331,19 +343,7 @@ t_stat tty_attach (UNIT *u, char *cptr)
         if (num <= TTY_MAX)
             vt_mask |= 1 << (TTY_MAX - num);
         besm6_debug ("*** console on T%03o", num);
-        return 0;
-    }
-    /* Disallowing future connections to a line */
-    if (strcmp (gbuf, "NONE") == 0) {
-        /* Marking the TTY as unusable. */
-        tty_line[num].conn = 1;
-        tty_line[num].rcve = 0;
-        if (num <= TTY_MAX) {
-            vt_mask &= ~(1 << (TTY_MAX - num));
-            tt_mask &= ~(1 << (TTY_MAX - num));
-        }
-        besm6_debug ("*** turning off T%03o", num);
-        return 0;
+        return SCPE_OK;
     }
     return SCPE_ALATT;
 }
diff --git a/BESM6/expect.ini b/BESM6/expect.ini
new file mode 100755
index 00000000..368ba9cb
--- /dev/null
+++ b/BESM6/expect.ini
@@ -0,0 +1,30 @@
+# Attaching the input device
+at fs0 input.txt
+# Waiting for the end of initial setup
+expect -r "ДATA.*\n"
+do dispak.ini
+# Now we're ready to send commands from the front panel
+echo Requesting input from the punch tape reader (FS8)
+d 6 1
+d 5 10
+set cpu req
+expect -r "Л0.*\n"
+go
+
+# The process had been started, check state every 10 model seconds
+send after=1000000 "WCPP\r"
+expect -p -r "4199.*\n" send after=10000000 "WCPP\r"; go
+expect  -c "HET\r\n" step 10000
+go
+echo Enabling the printer (ONL A0)
+d 6 10
+d 5 1
+set cpu req
+expect -r "ECT.*\n"
+go
+echo Checking for the printing to finish
+send "HOMB\r"
+expect -p -r "4199.*\n" send "HOMB\r"; go
+expect -c "HET\r\n"
+go
+echo Done
diff --git a/BESM6/input.txt b/BESM6/input.txt
new file mode 100644
index 00000000..708c9a92
--- /dev/null
+++ b/BESM6/input.txt
@@ -0,0 +1,53 @@
+ШИФР 419999 ЗС5^
+EEВ1А3
+*NAME PRIME NUMBERS
+*     The ^L char before *NAME is important
+*     NO LIST	Disable source listing by removing spaces between * and NO
+*NO LOAD LIST	Enable loader listing by adding 5 spaces between * and NO
+*               Disabling fanfold page alignment
+*CALL NOTLIS
+*ASSEM
+ ETIME: ,NAME,
+c       Get time of day in jiffies
+	,*53 , 010B
+c       OR the integer exponent
+	,AOX , =6400000000000000
+c       F.p. divide by 50
+	,A/X , =R50.0
+c       Return
+     13 ,UJ  ,
+	,END ,
+*FTN
+        PROGRAM MAIN
+        PRINT 1000
+1000    FORMAT(' Computing prime numbers the dumb way')
+        TIME0 = ETIME(0)
+        CALL PRIMES
+        TIME1 = ETIME(0)
+        NTIME = TIME1 - TIME0
+        PRINT 2000, NTIME
+        STOP
+2000    FORMAT (' Time, seconds =', i6)
+        end
+
+        SUBROUTINE PRIMES
+        T=0
+        DO 10 N=1001, 100000, 2
+                MAXK=SQRT(N+0.0)+1
+                DO 20 K=3, MAXK, 2
+                M = (N / K) * K
+                IF (N .EQ. M) GOTO 10
+20              CONTINUE
+c------ Printing every 1000th prime number
+                T=T+1
+                IF (T .LT. 1000) GOTO 10
+                PRINT 1000, N
+                T=0
+10      CONTINUE
+        RETURN
+1000    FORMAT (1X, I9)
+        END
+*EXECUTE
+*     The ^L char after *END FILE is important
+*END FILE
+ЕКОНЕЦ