diff --git a/PDP10/ka10_dkb.c b/PDP10/ka10_dkb.c
index a631d86..7e1b904 100644
--- a/PDP10/ka10_dkb.c
+++ b/PDP10/ka10_dkb.c
@@ -169,63 +169,63 @@ int dkb_keys (SIM_KEY_EVENT *kev, UNIT *uptr)
     return 0;
 
   switch (kev->key) {
-  case SIM_KEY_0:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|TOP|SHFT) | 051; /* ( */
+  case SIM_KEY_0:  /* ok */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = dkb_kmod | 051;  /* ) */
     else
         uptr->DATA = dkb_kmod | 060;
     return 1;
   case SIM_KEY_1:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|SHFT) | 054;     /* ! */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = (dkb_kmod | 054) & ~TOP;   /* ! */
     else
         uptr->DATA = dkb_kmod | 061;
     return 1;
   case SIM_KEY_2:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|SHFT) | 052;   /* Circle Star */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = (dkb_kmod | 052) & ~TOP;  /* Circle Star */
     else
         uptr->DATA = dkb_kmod | 062;
     return 1;
   case SIM_KEY_3:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|SHFT) | 022;  /* # */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = (dkb_kmod | 022) & ~TOP;  /* # */
     else
         uptr->DATA = dkb_kmod | 063;
     return 1;
   case SIM_KEY_4:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|SHFT) | 066; /* $ */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = (dkb_kmod | 066) & ~TOP;  /* $ */
     else
         uptr->DATA = dkb_kmod | 064;
     return 1;
   case SIM_KEY_5:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|SHFT) | 067; /* % */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = (dkb_kmod | 067) & ~TOP;  /* % */
     else
         uptr->DATA = dkb_kmod | 065;
     return 1;
   case SIM_KEY_6:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|SHFT) | 021; /* ^ */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = (dkb_kmod | 073) & ~TOP;  /* ^ */
     else
         uptr->DATA = dkb_kmod | 066;
     return 1;
   case SIM_KEY_7:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|SHFT) | 024 ;      /* & */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = (dkb_kmod | 024) & ~TOP;  /* & */
     else
         uptr->DATA = dkb_kmod | 067;
     return 1;
-  case SIM_KEY_8:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|TOP|SHFT) | 052;
+  case SIM_KEY_8:  /* ok */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = (dkb_kmod | 052) & ~TOP;  /* * */
     else
         uptr->DATA = dkb_kmod | 070;
     return 1;
-  case SIM_KEY_9:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|TOP|SHFT) | 050;
+  case SIM_KEY_9:  /* ok */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = dkb_kmod | 050;   /* ( */
     else
         uptr->DATA = dkb_kmod | 071;
     return 1;
@@ -236,7 +236,10 @@ int dkb_keys (SIM_KEY_EVENT *kev, UNIT *uptr)
     uptr->DATA = dkb_kmod | 002;
     return 1;
   case SIM_KEY_C:
-    uptr->DATA = dkb_kmod | 003;
+    if (dkb_kmod == (META|TOP|SHFT))   /* Control C */
+        uptr->DATA = dkb_kmod | 043;
+    else 
+        uptr->DATA = dkb_kmod | 003;
     return 1;
   case SIM_KEY_D:
     uptr->DATA = dkb_kmod | 004;
@@ -307,78 +310,73 @@ int dkb_keys (SIM_KEY_EVENT *kev, UNIT *uptr)
   case SIM_KEY_Z:
     uptr->DATA = dkb_kmod | 032;
     return 1;
-  case SIM_KEY_BACKQUOTE:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|TOP|SHFT) |043 ;
+  case SIM_KEY_BACKQUOTE:                 /* ` ~ */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = dkb_kmod | 043;
     else
-        uptr->DATA = (META|CTRL|SHFT) | 00;
+        uptr->DATA = dkb_kmod | 00;
     return 1;
-  case SIM_KEY_MINUS:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|SHFT) | 055 ;
-    else
-        uptr->DATA = (META|CTRL|TOP) | 055;
+  case SIM_KEY_MINUS:                     /* - not */
+    uptr->DATA = dkb_kmod | 055;
     return 1;
-  case SIM_KEY_EQUALS:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|SHFT) | 053;
+  case SIM_KEY_EQUALS:                    /* = + */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+	uptr->DATA = dkb_kmod | 053;
     else
-        uptr->DATA = (META|CTRL|SHFT) | 010;
+        uptr->DATA = (dkb_kmod | 010) & ~TOP;
     return 1;
-  case SIM_KEY_LEFT_BRACKET:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|SHFT) | 017;
+  case SIM_KEY_LEFT_BRACKET:              /* [ { */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = (dkb_kmod | 017) & ~TOP;
     else
-        uptr->DATA = (META|CTRL|SHFT) | 050;
+        uptr->DATA = (dkb_kmod | 050) & ~TOP;;
     return 1;
-  case SIM_KEY_RIGHT_BRACKET:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|SHFT)| 020;
+  case SIM_KEY_RIGHT_BRACKET:             /* ] } */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = (dkb_kmod | 020) & ~TOP;
     else
-        uptr->DATA = (META|CTRL|SHFT) | 051;
+        uptr->DATA = (dkb_kmod | 051) & ~TOP;;
     return 1;
-  case SIM_KEY_SEMICOLON:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|TOP|SHFT) | 072;
+  case SIM_KEY_SEMICOLON:                 /* ; : */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = dkb_kmod | 072 | TOP;
     else
-        uptr->DATA = (META|CTRL|TOP|SHFT) | 073;
+        uptr->DATA = dkb_kmod | 073 | TOP;
     return 1;
-  case SIM_KEY_SINGLE_QUOTE:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|SHFT) | 031;
+  case SIM_KEY_SINGLE_QUOTE:  /* ok */    /* ' " */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)
+        uptr->DATA = (dkb_kmod | 031) & ~TOP;
     else
-        uptr->DATA = (META|CTRL|SHFT) | 011;
+        uptr->DATA = (dkb_kmod | 011) & ~TOP;
     return 1;
-  case SIM_KEY_BACKSLASH:
-    if ((dkb_kmod & TOP) == 0)
-        uptr->DATA = (META|CTRL|SHFT) | 034;
-    else if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|SHFT) | 056;
+  case SIM_KEY_BACKSLASH:  /* Ok */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)    /* \ | */
+        uptr->DATA = (dkb_kmod | 053) & ~TOP;
+    else if ((dkb_kmod & (TOP|SHFT)) == SHFT) 
+        uptr->DATA = (dkb_kmod | 034) & ~TOP;
     else
-        uptr->DATA = (META|CTRL|TOP|SHFT) | 034;
+        uptr->DATA = dkb_kmod | 034 | TOP;
     return 1;
   case SIM_KEY_LEFT_BACKSLASH:
-    if ((dkb_kmod & TOP) == 0)
-        uptr->DATA = (META|CTRL|SHFT) | 034;
-    else if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|TOP|SHFT) | 034;
-    else
-        uptr->DATA = (META|CTRL|SHFT) | 011;
+    uptr->DATA = dkb_kmod | 034;
     return 1;
-  case SIM_KEY_COMMA:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|TOP|SHFT) | 034;
+  case SIM_KEY_COMMA: /* ok */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)    /* , < */
+        uptr->DATA = (dkb_kmod | 04) & ~TOP;
     else
-        uptr->DATA = (META|CTRL|TOP|SHFT) | 054;
+        uptr->DATA = dkb_kmod | 054 | TOP;
     return 1;
-  case SIM_KEY_PERIOD:
-    if ((dkb_kmod & SHFT) == 0)
-        uptr->DATA = (META|CTRL|TOP|SHFT) | 034;
+  case SIM_KEY_PERIOD: /* Ok */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)    /* . > */
+        uptr->DATA = (dkb_kmod | 06) & ~TOP;
     else
-        uptr->DATA = (META|CTRL|TOP|SHFT) | 056;
+        uptr->DATA = dkb_kmod | 056;
     return 1;
-  case SIM_KEY_SLASH:
-    uptr->DATA = dkb_kmod | 057;
+  case SIM_KEY_SLASH: /* Ok */
+    if ((dkb_kmod & (TOP|SHFT)) == TOP)    /* / ? */
+        uptr->DATA = (dkb_kmod | 056) & ~TOP;
+    else 
+        uptr->DATA = dkb_kmod | 057;
     return 1;
   case SIM_KEY_ESC:
     uptr->DATA = dkb_kmod | 042;
diff --git a/PDP10/ka10_iii.c b/PDP10/ka10_iii.c
index 6611b92..f6c6675 100644
--- a/PDP10/ka10_iii.c
+++ b/PDP10/ka10_iii.c
@@ -236,44 +236,50 @@ uint8 map[128][18] = {
    /* [ */        { M(3,5), V(0,5), V(0,15), V(3,15) },
    /* \ */        { M(0,12), V(6,6) },
    /* ] */        { M(0,5), V(3,5), V(3,15), V(0,15) },
-                  { M(0,11), V(3,14), V(6,11), M(3,14), V(3,6) },
-                  { M(3,7), V(0,10), V(3,13), M(0,10), V(6,10) },
-                  { M(2,14), V(4,12) },
-                  { M(0,9), V(1,10), V(3,10), V(4,9), V(4,6), M(4,8), V(3,9), V(1,9), V(0,8), V(0,7),
-                    V(1,6), V(3,6), V(4,7) },
-                  { V(0,13), M(0,9), V(1,10), V(3,10), V(4,9), V(4,7), V(3,6), V(1,6), V(0,7) },
-                  { M(4,9), V(3,10), V(1,10), V(0,9), V(0,7), V(1,6), V(3,6), V(4,7) },
-                  { M(0,7), V(0,9), V(1,10), V(3,10), V(4,9), V(4,7), V(3,6), V(1,6), V(0,7), M(4,6),
-                    V(4,13) },
-                  { M(4,7), V(3,6), V(1,6), V(0,7), V(0,9), V(1,10), V(3,10), V(4,9), V(4,8), V(0,8) },
-                  { M(2,6), V(2,12), V(3,13), V(4,13), V(5,12), M(0,11), V(4,11) },
-                  { M(4,9), V(3,10), V(1,10), V(0,9), V(0,7), V(1,6), V(3,6), V(4,7), M(4,10), V(4,5),
-                    V(3,4), V(1,4), V(0,5) },
-                  { V(0,13), M(0,9), V(1,10), V(3,10), V(4,9), V(4,6) },
-                  { M(3,12), V(3,11), M(3,10), V(3,7), V(4,6), V(5,6) },
-                  { M(3,12), V(3,11), M(3,10), V(3,5), V(2,4), V(1,3) },
-                  { V(0,13), M(0,8), V(2,10), M(0,8), V(2,6) },
-                  { M(2,6), V(2,13) },
-                  { V(0,10), M(0,9), V(1,10), V(2,10), V(3,9), V(3,6), M(3,9), V(4,10), V(5,10), V(6,9),
-                    V(6,6) },
-                  { V(0,10), M(0,9), V(1,10), V(2,10), V(3,9), V(3,6) },
-                  { M(0,7), V(0,9), V(1,10), V(3,10), V(4,9), V(4,7), V(3,6), V(1,6), V(0,7) },
-                  { M(0,4), V(0,10), M(0,9), V(1,10), V(3,10), V(4,9), V(4,7), V(3,6), V(1,6), V(0,7) },
-                  { M(4,9), V(3,10), V(1,10), V(0,9), V(0,7), V(1,6), V(3,6), V(4,7), M(4,10), V(4,4) },
-                  { V(0,10), M(0,9), V(1,10), V(3,10), V(4,9) },
-                  { M(0,7), V(1,6), V(3,6), V(4,7), V(3,8), V(1,8), V(0,9), V(1,10), V(3,10), V(4,9) },
-                  { M(2,13), V(2,7), V(3,6), V(4,6), V(5,7), M(1,11), V(3,11) },
-                  { M(0,10), V(0,7), V(1,6), V(3,6), V(4,7), V(4,10), V(4,6) },
-                  { M(0,9), V(3,6), V(6,9) },
-                  { M(0,10), V(0,6), V(2,8), V(4,6), V(4,10) },
-                  { V(4,10), M(0,10), V(4,6) },
-                  { M(0,9), V(3,6), M(6,9), V(1,4), V(0,4) },
-                  { M(0,10), V(4,10), V(0,6), V(4,6) },
-                  { M(3,15), V(2,14), V(2,12), V(0,10), V(2,8), V(2,6), V(3,5) },
-                  { M(2,4), V(2,14) },
-                  { M(3,6), V(0,9), V(3,12), V(6,9), V(3,6) },
-                  { M(0,15), V(1,14), V(1,12), V(3,10), V(1,8), V(1,6), V(0,5) },
-                  { M(0,12), V(6,6) },
+   /* up arrow */ { M(0,11), V(3,14), V(6,11), M(3,14), V(3,6) },
+   /* left arrow*/{ M(3,7), V(0,10), V(3,13), M(0,10), V(6,10) },
+   /* ` */        { M(2,14), V(4,12) },
+   /* a */        { M(0,9), V(1,10), V(3,10), V(4,9), V(4,6), M(4,8), V(3,9), V(1,9),
+                    V(0,8), V(0,7), V(1,6), V(3,6), V(4,7) },
+   /* b */        { V(0,13), M(0,9), V(1,10), V(3,10), V(4,9), V(4,7), V(3,6), V(1,6),
+                    V(0,7) },
+   /* c */        { M(4,9), V(3,10), V(1,10), V(0,9), V(0,7), V(1,6), V(3,6), V(4,7) },
+   /* d */        { M(0,7), V(0,9), V(1,10), V(3,10), V(4,9), V(4,7), V(3,6), V(1,6),
+                    V(0,7), M(4,6), V(4,13) },
+   /* e */        { M(4,7), V(3,6), V(1,6), V(0,7), V(0,9), V(1,10), V(3,10), V(4,9),
+                    V(4,8), V(0,8) },
+   /* f */        { M(2,6), V(2,12), V(3,13), V(4,13), V(5,12), M(0,11), V(4,11) },
+   /* g */        { M(4,9), V(3,10), V(1,10), V(0,9), V(0,7), V(1,6), V(3,6), V(4,7),
+                    M(4,10), V(4,5), V(3,4), V(1,4), V(0,5) },
+   /* h */        { V(0,13), M(0,9), V(1,10), V(3,10), V(4,9), V(4,6) },
+   /* i */        { M(3,12), V(3,11), M(3,10), V(3,7), V(4,6), V(5,6) },
+   /* k */        { M(3,12), V(3,11), M(3,10), V(3,5), V(2,4), V(1,3) },
+   /* j */        { V(0,13), M(0,8), V(2,10), M(0,8), V(2,6) },
+   /* l */        { M(2,6), V(2,13) },
+   /* m */        { V(0,10), M(0,9), V(1,10), V(2,10), V(3,9), V(3,6), M(3,9), V(4,10),
+                    V(5,10), V(6,9), V(6,6) },
+   /* n */        { V(0,10), M(0,9), V(1,10), V(2,10), V(3,9), V(3,6) },
+   /* o */        { M(0,7), V(0,9), V(1,10), V(3,10), V(4,9), V(4,7), V(3,6), V(1,6),
+                    V(0,7) },
+   /* p */        { M(0,4), V(0,10), M(0,9), V(1,10), V(3,10), V(4,9), V(4,7), V(3,6),
+                    V(1,6), V(0,7) },
+   /* q */        { M(4,9), V(3,10), V(1,10), V(0,9), V(0,7), V(1,6), V(3,6), V(4,7),
+                    M(4,10), V(4,4) },
+   /* r */        { V(0,10), M(0,9), V(1,10), V(3,10), V(4,9) },
+   /* s */        { M(0,7), V(1,6), V(3,6), V(4,7), V(3,8), V(1,8), V(0,9), V(1,10),
+                    V(3,10), V(4,9) },
+   /* t */        { M(2,13), V(2,7), V(3,6), V(4,6), V(5,7), M(1,11), V(3,11) },
+   /* u */        { M(0,10), V(0,7), V(1,6), V(3,6), V(4,7), V(4,10), V(4,6) },
+   /* v */        { M(0,9), V(3,6), V(6,9) },
+   /* w */        { M(0,10), V(0,6), V(2,8), V(4,6), V(4,10) },
+   /* x */        { V(4,10), M(0,10), V(4,6) },
+   /* y */        { M(0,9), V(3,6), M(6,9), V(1,4), V(0,4) },
+   /* z */        { M(0,10), V(4,10), V(0,6), V(4,6) },
+   /* { */        { M(3,15), V(2,14), V(2,12), V(0,10), V(2,8), V(2,6), V(3,5) },
+   /* | */        { M(2,4), V(2,14) },
+   /* diamon */   { M(3,6), V(0,9), V(3,12), V(6,9), V(3,6) },
+   /* } */        { M(0,15), V(1,14), V(1,12), V(3,10), V(1,8), V(1,6), V(0,5) },
+   /* \ */        { M(0,12), V(6,6) },
 };
 
 float scale[] = { 1.0F,
@@ -341,7 +347,8 @@ t_stat iii_devio(uint32 dev, uint64 *data) {
             *data |= EDGE_FLG;
         if (uptr->STATUS & LIT_FBIT)
             *data |= LIGHT_FLG;
-        sim_debug(DEBUG_CONI, &iii_dev, "III %03o CONI %06o %06o\n", dev, (uint32)*data, PC);
+        sim_debug(DEBUG_CONI, &iii_dev, "III %03o CONI %06o %06o\n", dev, (uint32)*data,
+               PC);
         break;
      case CONO:
          clr_interrupt(III_DEVNUM);
@@ -362,7 +369,8 @@ t_stat iii_devio(uint32 dev, uint64 *data) {
              set_interrupt(III_DEVNUM, uptr->PIA);
          if (uptr->STATUS & HLT_MSK)
             set_interrupt(III_DEVNUM, uptr->PIA);
-         sim_debug(DEBUG_CONO, &iii_dev, "III %03o CONO %06o %06o\n", dev, (uint32)*data, PC);
+         sim_debug(DEBUG_CONO, &iii_dev, "III %03o CONO %06o %06o\n", dev,
+                     (uint32)*data, PC);
          break;
      case DATAI:
          sim_debug(DEBUG_DATAIO, &iii_dev, "III %03o DATAI %06o\n", dev, (uint32)*data);
@@ -389,7 +397,8 @@ iii_svc (UNIT *uptr)
      int       i, j, ch;
      float     ch_sz;
 
-     iii_cycle(10,0);
+     iii_cycle(10, 0);
+
      /* Extract X,Y,Bright and Size */
      sz = (uptr->POS & CSIZE) >> CSIZE_V;
      br = (uptr->POS & CBRT) >> CBRT_V;
@@ -399,7 +408,8 @@ iii_svc (UNIT *uptr)
      ny = oy = (oy ^ 02000) - 02000;
      ch_sz = scale[sz];
 
-     sim_debug(DEBUG_DETAIL, &iii_dev, "III: pos %d %d %d %d %o\n", ox, oy, br, sz, uptr->STATUS );
+     sim_debug(DEBUG_DETAIL, &iii_dev, "III: pos %d %d %d %d %o\n", ox, oy, br, sz,
+             uptr->STATUS );
      switch(iii_instr & 017) {
      case 000: /* JMP and HLT */
                if (iii_instr & 020) {
@@ -428,8 +438,8 @@ iii_svc (UNIT *uptr)
                    cy = (int)(6.0 * ch_sz);
                    lx = ox;
                    ly = oy + cy;
-     sim_debug(DEBUG_DETAIL, &iii_dev, "III: ch %d %d %o '%c' %o %o\n", lx, ly, ch,
-                    (ch < ' ')? '.' : ch, sz, br);
+                   sim_debug(DEBUG_DETAIL, &iii_dev, "III: ch %d %d %o '%c' %o %o\n",
+                             lx, ly, ch, (ch < ' ')? '.' : ch, sz, br);
                    if (ch == '\t' || ch == 0)
                       continue;
                    if (ch == '\r') {
@@ -450,7 +460,8 @@ iii_svc (UNIT *uptr)
                           cy = (int)((float)(v & 017) * ch_sz);
                           nx = ox + cx;
                           ny = oy + cy;
-         sim_debug(DEBUG_DATA, &iii_dev, "III: map %d %d %d %d %02x\n", lx, ly, nx, ny, v);
+                          sim_debug(DEBUG_DATA, &iii_dev, "III: map %d %d %d %d %02x\n",
+                                  lx, ly, nx, ny, v);
                           if (v & 0200)
                               draw_line(lx, ly, nx, ny, br, uptr);
                           lx = nx;
@@ -473,7 +484,8 @@ iii_svc (UNIT *uptr)
                nx = (nx ^ 040) - 040;
                ny = (ny ^ 040) - 040;
                /* Compute relative position. */
-     sim_debug(DEBUG_DETAIL, &iii_dev, "III: short %d %d %o %d\n", nx, ny, sz, br);
+               sim_debug(DEBUG_DETAIL, &iii_dev, "III: short %d %d %o %d\n",
+                          nx, ny, sz, br);
                nx += ox;
                ny += oy;
                if (nx < -512 || nx > 512 || ny < -512 || ny > 512)
@@ -494,13 +506,15 @@ iii_svc (UNIT *uptr)
                /* Sign extend */
                nx = (nx ^ 040) - 040;
                ny = (ny ^ 040) - 040;
-     sim_debug(DEBUG_DETAIL, &iii_dev, "III: short2 %d %d %o %d\n", nx, ny, sz, br);
+               sim_debug(DEBUG_DETAIL, &iii_dev, "III: short2 %d %d %o %d\n",
+                          nx, ny, sz, br);
                /* Compute relative position. */
                nx += ox;
                ny += oy;
                if (nx < -512 || nx > 512 || ny < -512 || ny > 512)
                    uptr->STATUS |= EDG_FBIT;
-               if ((iii_instr & 040) == 0 && (iii_sel & 04000) != 0) { /* Check if visible */
+               /* Check if visible */
+               if ((iii_instr & 040) == 0 && (iii_sel & 04000) != 0) {
                    if ((iii_instr & 020) == 0) { /* Draw a line */
                       draw_line(ox, oy, nx, ny, br, uptr);
                    } else {
@@ -537,14 +551,16 @@ iii_svc (UNIT *uptr)
                ny = (iii_instr >> 14) & 03777;
                nx = (nx ^ 02000) - 02000;
                ny = (ny ^ 02000) - 02000;
-     sim_debug(DEBUG_DETAIL, &iii_dev, "III: long %d %d %o %o\n", nx, ny, sz, br);
+               sim_debug(DEBUG_DETAIL, &iii_dev, "III: long %d %d %o %o\n",
+                         nx, ny, sz, br);
                if ((iii_instr & 0100) == 0) { /* Relative mode */
                    nx += ox;
                    ny += oy;
                    if (nx < -512 || nx > 512 || ny < -512 || ny > 512)
                        uptr->STATUS |= EDG_FBIT;
                }
-               if ((iii_instr & 040) == 0 && (iii_sel & 04000) != 0) { /* Check if visible */
+               /* Check if visible */
+               if ((iii_instr & 040) == 0 && (iii_sel & 04000) != 0) {
                    if ((iii_instr & 020) == 0) /* Draw a line */
                       draw_line(ox, oy, nx, ny, br, uptr);
                    else
@@ -596,7 +612,8 @@ iii_svc (UNIT *uptr)
 skip_up:
      if (uptr->STATUS & RUN_FLG) {
          iii_instr = M[uptr->MAR];
-         sim_debug(DEBUG_DETAIL, &iii_dev, "III: fetch %06o %012llo\n", uptr->MAR, iii_instr);
+         sim_debug(DEBUG_DETAIL, &iii_dev, "III: fetch %06o %012llo\n",
+                      uptr->MAR, iii_instr);
          uptr->MAR++;
          uptr->MAR &= RMASK;
          sim_activate(uptr, 50);