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- procedure writes( strng: alpha );
- { writes writes a string of type alpha to the console
- device. }
- var ix: byte;
- begin
- for ix:=1 to strng[0] do
- write( chr(strng[ix]) );
- end{ of writes };
-
-
- Procedure gotoxy(x_coord, y_coord: integer);
- var ix: byte;
- x_pos: integer;
- begin
- x_pos := x_coord + X_OFF;
- IF ( XY=2 ) AND ( x_pos<31 ) THEN x_pos := x_pos + 96;
- writes( CUR );
- IF ( XY=1 ) OR ( XY=2 ) THEN
- write( CHR(x_pos), CHR(y_coord+Y_OFF) )
- ELSE
- write( CHR(y_coord+Y_OFF), CHR(x_pos) );
- for ix:=0 TO DELCUS do {};
- end;
-
-
- FUNCTION INITTERM: BOOLEAN;
- { RETURNS TRUE IF TERMINAL DATA FILE FOUND }
- { FALSE IF DATA FILE NOT FOUND! }
- TYPE BFILE = FILE OF BYTE;
- VAR bx : byte;
- termio : BFILE;
-
- procedure gets( var fb: BFILE; var strng: alpha );
- { gets a string of type alpha from the
- specified file of type BFILE. }
- var ix: byte;
- begin
- read( fb, strng[0] ); { first byte is always length }
- for ix:=1 to strng[0] do
- read( fb, strng[ix] )
- end{ of gets };
-
- begin
- { OPEN file TERMIO.FIL for READ assign TERMIO }
- reset('TERMIO.FIL', termio);
- if eof(termio) then { file does not exist }
- INITTERM := FALSE
- else begin
- INITTERM := TRUE;
- { first 5 bytes in this sequence }
- { strings must be read back in same sequence as were written }
- read( termio,
- BX, { length byte }
- DELMIS, DELCUS, X_OFF, Y_OFF, XY );
- gets( termio, CLRSCR );
- gets( termio, CUR );
- gets( termio, eraeos );
- gets( termio, eraeol );
- gets( termio, HOME );
- gets( termio, LockKbd );
- gets( termio, UnlockKbd );
- gets( termio, LINDEL );
- gets( termio, LININS );
- gets( termio, INVON );
- gets( termio, INVOFF );
- gets( termio, CRSON );
- gets( termio, CRSOFF );
- end{else}
- end{ of INITTERM }{ CLOSE(termio); };
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