The following tables contain the cursor control sequences used to control cursor positioning:
旼컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿎ursor Position 쿑unction � 쳐컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿐SC [#;#H 쿘oves the cursor to the position � � 퀂pecified by the parameters. The first � � 쿾arameter specifies the row number and � � 퀃he second parameter specifies the � � 쿬olumn number. The default value is 1. � � 쿔f no parameter is given, the cursor is � � 쿺oved to the home position. � 읕컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴�
This example copies the file SAMPLE from the previous example to CON, that places the cursor on row 2, column 10 of the screen:
type sample
旼컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿎ursor Up 쿑unction � 쳐컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿐SC [#A 쿘oves the cursor up one or more rows � � 퀇ithout changing the column position. � � 쿟he value of # determines the number of � � 쿹ines moved. The default value for # is � � �1. This sequence is ignored if the � � 쿬ursor is already on the top line. � 읕컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴�
旼컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿎ursor Down 쿑unction � 쳐컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿐SC [#B 쿘oves the cursor down one or more rows � � 퀇ithout changing the column position. � � 쿟he value of # determines the number of � � 쿹ines moved. The default value for # is � � �1. The sequence is ignored if the cursor� � 쿶s already on the bottom line. � 읕컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴�
旼컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿎ursor Forward 쿑unction � 쳐컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿐SC [#C 쿘oves the cursor forward one or more � � 쿬olumns without changing the row � � 쿾osition. The value of # determines the � � 쿻umber of columns moved. The default � � 퀆alue for # is 1. This sequence is � � 쿶gnored if the cursor is already in the � � 퀁ightmost column. � 읕컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴�
旼컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿎ursor Backward 쿑unction � 쳐컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿐SC [#D 쿘oves the cursor back one or more � � 쿬olumns without changing the row � � 쿾osition. The value of # determines the � � 쿻umber of columns moved. The default � � 퀆alue for # is 1. This sequence is � � 쿶gnored if the cursor is already in the � � 쿹eftmost column. � 읕컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴�
旼컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿓orizontal and 쿑unction � 쿣ertical Position � � 쳐컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿐SC [#;#f 쿘oves the cursor to the position � � 퀂pecified by the parameters. The first � � 쿾arameter specifies the line number and � � 퀃he second parameter specifies the � � 쿬olumn number. The default value is 1. � � 쿔f no parameter is given, the cursor is � � 쿺oved to the home position. � 읕컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴�
旼컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿎ursor Position 쿑unction � 쿝eport � � 쳐컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿐SC [#;#R 쿟he cursor sequence report reports the � � 쿬urrent cursor position through the � � 퀂tandard input device. The first � � 쿾arameter specifies the current line and� � 퀃he second parameter specifies the � � 쿬urrent column. � 읕컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴�
旼컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿏evice Status Report쿑unction � 쳐컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿐SC [6n 쿟he console driver gives a cursor � � 쿾osition report sequence on receipt of � � 쿭evice status report. � 읕컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴�
Note: Do not use the Device Status Report as part of a prompt.
This example tells ANSI to put the current cursor position (row and column) in STDIN. Then the program reads it from STDIN and outputs it to STDOUT.
PROGRAM dsr(INPUT,OUTPUT);
VAR
f:FILE OF CHAR;
key:CHAR;
FUNCTION inkey:CHAR; { read character }
VAR { from the /Using a File
ch:CHAR; { keyboard buffer }
BEGIN
READ(f,ch);
inkey:=ch
END;
BEGIN
ASSIGN(f,'user');
RESET(f);
WRITE(CHR(27),'[6n'); { issue a DSR, }
key:=inkey; { read up to }
key:=inkey; { first digit }
key:=inkey; { of the row }
WRITE('row ',inkey,inkey,' column ');
key:=inkey; { skip to column}
WRITE(inkey,inkey) { write column }
END.
旼컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿞ave Cursor Position쿑unction � 쳐컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿐SC [s 쿟he current cursor position is saved. � � 쿟his cursor position can be restored � � 퀇ith the restore cursor position � � 퀂equence (see below). � 읕컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴�
旼컴컴컴컴컴컴컴컴컴컫컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿝estore Cursor 쿑unction � 쿛osition � � 쳐컴컴컴컴컴컴컴컴컴컵컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴� 쿐SC [u 쿝estores the cursor to the value it had � � 퀇hen the console driver received the � � 퀂ave cursor position sequence. � 읕컴컴컴컴컴컴컴컴컴컨컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴컴�