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include <ttyset.h>
include "../curses.h"
# PS_BEGIN -- Initialize physical screen display
#
# B.Simon 18-Jan-89 Original
# B.Simon 26-Sep-90 Updated to use screen buffer
procedure ps_begin ()
#--
include "screen.com"
char ch
data ch / EOS /
string nomove "Terminal does not support cursor movement (cm)"
bool ttygetb()
int ttopen(), ttystati()
pointer ttyodes()
begin
# Initialize global variables
ks[1] = EOS
ke[1] = EOS
keych = EOF
currow = GIANT
curcol = GIANT
keytab = NULL
termscr = NULL
htext = NULL
term = ttyodes ("terminal")
lines = ttystati (term, TTY_NLINES)
cols = ttystati (term, TTY_NCOLS)
if (! ttygetb (term, "cm")) {
call ttyclose (term)
call error (1, nomove)
}
ttyin = ttopen ("dev$tty", READ_ONLY)
ttyout = ttopen ("dev$tty", APPEND)
# Allocate memory for screen and fill with EOS
call malloc (termscr, lines*cols, TY_CHAR)
call amovkc (ch, Memc[termscr], lines*cols)
# Initialize display
call ps_sendcap ("ti", 1)
call ps_sendcap ("vs", 1)
end
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