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version 1.10, 2007/12/31 18:40:24	version 1.13, 2012/12/31 15:25:18
Line 1	Line 1
\ VT100.STR VT100 excape sequences 20may93jaw	\ VT100.STR VT100 excape sequences 20may93jaw

\ Copyright (C) 1995,1999,2000,2003 Free Software Foundation, Inc.	\ Copyright (C) 1995,1999,2000,2003,2007,2012 Free Software Foundation, Inc.

\ This file is part of Gforth.	\ This file is part of Gforth.

Line 23 decimal	Line 23 decimal
: ;pn [char] ; emit pn ;	: ;pn [char] ; emit pn ;
: ESC[ 27 emit [char] [ emit ;	: ESC[ 27 emit [char] [ emit ;

: at-xy ( u1 u2 -- ) \ facility at-x-y	Defer at-xy
	Defer page

	: vt100-at-xy ( u1 u2 -- ) \ facility at-x-y
\G Position the cursor so that subsequent text output will take	\G Position the cursor so that subsequent text output will take
\G place at column @var{u1}, row @var{u2} of the display. (column 0,	\G place at column @var{u1}, row @var{u2} of the display. (column 0,
\G row 0 is the top left-hand corner of the display).	\G row 0 is the top left-hand corner of the display).
1+ swap 1+ swap ESC[ pn ;pn [char] H emit ;	1+ swap 1+ swap ESC[ pn ;pn [char] H emit ;

: page ( -- ) \ facility	: vt100-page ( -- ) \ facility
\G Clear the display and set the cursor to the top left-hand	\G Clear the display and set the cursor to the top left-hand
\G corner.	\G corner.
ESC[ ." 2J" 0 0 at-xy ;	ESC[ ." 2J" 0 0 at-xy ;

	' vt100-at-xy IS at-xy
	' vt100-page IS page