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Length: 5120 (0x1400)
Types: Ada Source
Notes: 03_class, FILE, R1k_Segment, e3_tag, package body Square, seg_02fa30, seg_0356f8, seg_038f6b
└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
└─⟦5a81ac88f⟧ »Space Info Vol 1«
└─⟦this⟧
with Square, Text_Io;
package body Square is
procedure Move (D : Direction; Tab : in out Magic_Square) is
begin
case D is
when North =>
if Tab.Row = Tab.Table'First (2) then
Tab.Row := Tab.Table'Last (2);
else
Tab.Row := Tab.Row - 1;
end if;
when West =>
if Tab.Line = Tab.Table'First (1) then
Tab.Line := Tab.Table'Last (1);
else
Tab.Line := Tab.Line - 1;
end if;
when East =>
if Tab.Line = Tab.Table'Last (1) then
Tab.Line := Tab.Table'First (1);
else
Tab.Line := Tab.Line + 1;
end if;
end case;
end Move;
procedure Display_Zero (Tab : in out Magic_Square) is
begin
for R in Tab.Table'Range (2) loop
for L in Tab.Table'Range (1) loop
Tab.Table (L, R) := 0;
end loop;
end loop;
end Display_Zero;
procedure Walking (Tab : in out Magic_Square) is
X : Natural;
begin
X := 1;
Tab.Table (Tab.Line, Tab.Row) := X;
X := X + 1;
while not (X > (Tab.Dim ** 2)) loop
Move (North, Tab);
Move (East, Tab);
if Tab.Table (Tab.Line, Tab.Row) = 0 then
Tab.Table (Tab.Line, Tab.Row) := X;
else
Move (North, Tab);
Move (West, Tab);
Tab.Table (Tab.Line, Tab.Row) := X;
end if;
X := X + 1;
end loop;
end Walking;
procedure Display (Tab : in out Magic_Square) is
package Io is new Text_Io.Integer_Io (Integer);
begin
Display_Zero (Tab);
Walking (Tab);
for Row in Tab.Table'Range (2) loop
for Line in Tab.Table'Range (1) loop
Io.Put (Tab.Table (Line, Row));
end loop;
Text_Io.Put_Line ("");
end loop;
end Display;
end Square;
nblk1=4
nid=3
hdr6=6
[0x00] rec0=22 rec1=00 rec2=01 rec3=04e
[0x01] rec0=2c rec1=00 rec2=04 rec3=006
[0x02] rec0=10 rec1=00 rec2=02 rec3=000
[0x03] rec0=1c rec1=00 rec2=02 rec3=000
tail 0x21528ca268491625729a5 0x42a00088462060003
Free Block Chain:
0x3: 0000 00 00 00 04 80 01 69 01 02 03 04 63 65 64 75 72 ┆ i cedur┆