diff --git a/test_regress/t/t_display.pl b/test_regress/t/t_display.pl
index f54b434a9..c3c28ffaa 100755
--- a/test_regress/t/t_display.pl
+++ b/test_regress/t/t_display.pl
@@ -19,11 +19,17 @@ execute (
 [0] In top.v.sub2
 [0] In top.v.sub2.subblock2
 [0] Back \ Quote "
-[0] %X=00c %0X=c %0O=14 %B=000001100
-[0] %x=00c %0x=c %0o=14 %b=000001100
+[0] %b=000001100 %0b=1100  %b=00000101010111011101110111100110011001100 %0b=101010111011101110111100110011001100  %b=000001010101111000001001000110100010101100111100000010010001101000101011001111000 %0b=1010101111000001001000110100010101100111100000010010001101000101011001111000
+[0] %B=000001100 %0B=1100  %B=00000101010111011101110111100110011001100 %0B=101010111011101110111100110011001100  %B=000001010101111000001001000110100010101100111100000010010001101000101011001111000 %0B=1010101111000001001000110100010101100111100000010010001101000101011001111000
+[0] %d= 12 %0d=12  %d=  46099320012 %0d=46099320012
+[0] %D= 12 %0D=12  %D=  46099320012 %0D=46099320012
+[0] %h=00c %0h=c  %h=00abbbbcccc %0h=abbbbcccc  %h=00abc1234567812345678 %0h=abc1234567812345678
+[0] %H=00c %0H=c  %H=00abbbbcccc %0H=abbbbcccc  %H=00abc1234567812345678 %0H=abc1234567812345678
+[0] %o=014 %0o=14  %o=00527356746314 %0o=527356746314  %o=012570110642547402215053170 %0o=12570110642547402215053170
+[0] %O=014 %0O=14  %O=00527356746314 %0O=527356746314  %O=012570110642547402215053170 %0O=12570110642547402215053170
+[0] %x=00c %0x=c  %x=00abbbbcccc %0x=abbbbcccc  %x=00abc1234567812345678 %0x=abc1234567812345678
+[0] %X=00c %0X=c  %X=00abbbbcccc %0X=abbbbcccc  %X=00abc1234567812345678 %0X=abc1234567812345678
 [0] %D= 12 %d= 12 %01d=12 %06d=000012 %6d=    12
-[0] %x=00abbbbcccc %0x=abbbbcccc %o=00527356746314 %b=00000101010111011101110111100110011001100
-[0] %x=00abc1234567812345678 %0x=abc1234567812345678 %o=012570110642547402215053170 %b=000001010101111000001001000110100010101100111100000010010001101000101011001111000
 [0] %t=                   0 %03t=  0 %0t=0
 
 [0] %s=! %s= what! %s= hmmm!1234
diff --git a/test_regress/t/t_display.v b/test_regress/t/t_display.v
index ddba4d1c1..f6d3c361f 100644
--- a/test_regress/t/t_display.v
+++ b/test_regress/t/t_display.v
@@ -9,7 +9,7 @@ module t;
    reg [31:0] str; initial str = "\000\277\021\n";
    reg [47:0] str2; initial str2 = "\000what!";
    reg [79:0] str3; initial str3 = "\000hmmm!1234";
-   reg [8:0]  nine;
+   reg [8:0]  nine; initial nine = 12;
 
    sub sub ();
    sub2 sub2 ();
@@ -23,17 +23,29 @@ module t;
       $display("[%0t] Back \\ Quote \"", $time);  // Old bug when \" last on the line.
 
       // Display formatting
-      nine = {3'd0,quad[5:0]};
-      $display("[%0t] %%X=%X %%0X=%0X %%0O=%0O %%B=%B", $time,
-	       nine, nine, nine, nine);
-      $display("[%0t] %%x=%x %%0x=%0x %%0o=%0o %%b=%b", $time,
-	       nine, nine, nine, nine);
+      $display("[%0t] %%b=%b %%0b=%0b  %%b=%b %%0b=%0b  %%b=%b %%0b=%0b", $time,
+	       nine, nine, quad, quad, wide, wide);
+      $display("[%0t] %%B=%B %%0B=%0B  %%B=%B %%0B=%0B  %%B=%B %%0B=%0B", $time,
+	       nine, nine, quad, quad, wide, wide);
+      $display("[%0t] %%d=%d %%0d=%0d  %%d=%d %%0d=%0d", $time,
+	       nine, nine, quad, quad);
+      $display("[%0t] %%D=%D %%0D=%0D  %%D=%D %%0D=%0D", $time,
+	       nine, nine, quad, quad);
+      $display("[%0t] %%h=%h %%0h=%0h  %%h=%h %%0h=%0h  %%h=%h %%0h=%0h", $time,
+	       nine, nine, quad, quad, wide, wide);
+      $display("[%0t] %%H=%H %%0H=%0H  %%H=%H %%0H=%0H  %%H=%H %%0H=%0H", $time,
+	       nine, nine, quad, quad, wide, wide);
+      $display("[%0t] %%o=%o %%0o=%0o  %%o=%o %%0o=%0o  %%o=%o %%0o=%0o", $time,
+	       nine, nine, quad, quad, wide, wide);
+      $display("[%0t] %%O=%O %%0O=%0O  %%O=%O %%0O=%0O  %%O=%O %%0O=%0o", $time,
+	       nine, nine, quad, quad, wide, wide);
+      $display("[%0t] %%x=%x %%0x=%0x  %%x=%x %%0x=%0x  %%x=%x %%0x=%0x", $time,
+	       nine, nine, quad, quad, wide, wide);
+      $display("[%0t] %%X=%X %%0X=%0X  %%X=%X %%0X=%0X  %%X=%X %%0X=%0X", $time,
+	       nine, nine, quad, quad, wide, wide);
+      //
       $display("[%0t] %%D=%D %%d=%d %%01d=%01d %%06d=%06d %%6d=%6d", $time,
 	       nine, nine, nine, nine, nine);
-      $display("[%0t] %%x=%x %%0x=%0x %%o=%o %%b=%b", $time,
-	       quad, quad, quad, quad);
-      $display("[%0t] %%x=%x %%0x=%0x %%o=%o %%b=%b", $time,
-	       wide, wide, wide, wide);
       $display("[%0t] %%t=%t %%03t=%03t %%0t=%0t", $time,
 	       $time, $time, $time);
       $display;
diff --git a/test_regress/t/t_display_noopt.pl b/test_regress/t/t_display_noopt.pl
index cc1e647f7..e39487891 100755
--- a/test_regress/t/t_display_noopt.pl
+++ b/test_regress/t/t_display_noopt.pl
@@ -22,11 +22,17 @@ execute (
 [0] In top.v.sub2
 [0] In top.v.sub2.subblock2
 [0] Back \ Quote "
-[0] %X=00c %0X=c %0O=14 %B=000001100
-[0] %x=00c %0x=c %0o=14 %b=000001100
+[0] %b=000001100 %0b=1100  %b=00000101010111011101110111100110011001100 %0b=101010111011101110111100110011001100  %b=000001010101111000001001000110100010101100111100000010010001101000101011001111000 %0b=1010101111000001001000110100010101100111100000010010001101000101011001111000
+[0] %B=000001100 %0B=1100  %B=00000101010111011101110111100110011001100 %0B=101010111011101110111100110011001100  %B=000001010101111000001001000110100010101100111100000010010001101000101011001111000 %0B=1010101111000001001000110100010101100111100000010010001101000101011001111000
+[0] %d= 12 %0d=12  %d=  46099320012 %0d=46099320012
+[0] %D= 12 %0D=12  %D=  46099320012 %0D=46099320012
+[0] %h=00c %0h=c  %h=00abbbbcccc %0h=abbbbcccc  %h=00abc1234567812345678 %0h=abc1234567812345678
+[0] %H=00c %0H=c  %H=00abbbbcccc %0H=abbbbcccc  %H=00abc1234567812345678 %0H=abc1234567812345678
+[0] %o=014 %0o=14  %o=00527356746314 %0o=527356746314  %o=012570110642547402215053170 %0o=12570110642547402215053170
+[0] %O=014 %0O=14  %O=00527356746314 %0O=527356746314  %O=012570110642547402215053170 %0O=12570110642547402215053170
+[0] %x=00c %0x=c  %x=00abbbbcccc %0x=abbbbcccc  %x=00abc1234567812345678 %0x=abc1234567812345678
+[0] %X=00c %0X=c  %X=00abbbbcccc %0X=abbbbcccc  %X=00abc1234567812345678 %0X=abc1234567812345678
 [0] %D= 12 %d= 12 %01d=12 %06d=000012 %6d=    12
-[0] %x=00abbbbcccc %0x=abbbbcccc %o=00527356746314 %b=00000101010111011101110111100110011001100
-[0] %x=00abc1234567812345678 %0x=abc1234567812345678 %o=012570110642547402215053170 %b=000001010101111000001001000110100010101100111100000010010001101000101011001111000
 [0] %t=                   0 %03t=  0 %0t=0
 
 [0] %s=! %s= what! %s= hmmm!1234