diff --git a/viz/curses/7segments.c b/viz/curses/7segments.c
index fa76ec2..853a5a2 100644
--- a/viz/curses/7segments.c
+++ b/viz/curses/7segments.c
@@ -7,6 +7,7 @@
 #include  <stdio.h>
 #include  <stdlib.h>
 #include  <strings.h>
+#include  <ctype.h>
 #include  <getopt.h>
 #include  <ncurses.h>
 
@@ -15,42 +16,93 @@
 int	verbosity;
 
 /* ---------------------------------------------------------------- */
-int afficheur_7segs(WINDOW * win, int lig, int col, int bits, int k)
+int aff7segs_base(WINDOW * win, int lig, int col, int bits, int k)
 {
 int	numbit, mask;
+int	foo;
 
+for (foo=0; foo<9; foo++) {
+	mvwhline(win, lig+foo, col, '~', 6);
+	}
+
+wstandout(win);
 for (numbit=0; numbit<8; numbit++) {
 	mask = 1 << numbit;
-
-	switch(mask) {
-
+	switch(mask & bits) {
 		case 0x01:
-
+			mvwaddstr(win, lig, col+1, "    ");
+			break;
 		case 0x02:
-
+			mvwaddch(win, lig+1, col+5, ' ');
+			mvwaddch(win, lig+2, col+5, ' ');
+			mvwaddch(win, lig+3, col+5, ' ');
+			break;
 		case 0x04:
-
+			mvwaddch(win, lig+5, col+5, ' ');
+			mvwaddch(win, lig+6, col+5, ' ');
+			mvwaddch(win, lig+7, col+5, ' ');
+			break;
 		case 0x08:
-
+			mvwaddstr(win, lig+8, col+1, "   ");
+			break;
 		case 0x10:
-
+			mvwaddch(win, lig+5, col, ' ');
+			mvwaddch(win, lig+6, col, ' ');
+			mvwaddch(win, lig+7, col, ' ');
+			break;
 		case 0x20:
-
+			mvwaddch(win, lig+1, col , ' ');
+			mvwaddch(win, lig+2, col , ' ');
+			mvwaddch(win, lig+3, col , ' ');
+			break;
 		case 0x40:
-
+			mvwaddstr(win, lig+4, col+1, "   ");
+			break;
 		case 0x80:
 			/* decimal point */
 			break;
 
-		default:
-			fprintf(stderr, "%s mask is wrong\n", __func__);
-			break;
 		}
 
 	}
+wstandend(win);
 
-return -1;
+return 0;
 }
 /* ---------------------------------------------------------------- */
+int aff7segs_digit(WINDOW * win, int lig, int col, char digit)
+{
+int		bits;
+
+#if TRACE
+fprintf(stderr, ">>> %s ( %p %d %d '%c' )\n", __func__,
+			win, lig, col, digit);
+#endif
+
+if (!isdigit(digit)) {
+	return -1;
+	}
+
+switch (digit) {
+	case '0':	bits = 0x3f;		break;
+	case '1':	bits = 0x06;		break;
+	case '2':	bits = 0x5b;		break;
+	case '3':	bits = 0x4f;		break;
+	case '4':	bits = 0x66;		break;
+	case '5':	bits = 0x6d;		break;
+	case '6':	bits = 0x7d;		break;
+	case '7':	bits = 0x07;		break;
+	case '8':	bits = 0x7f;		break;
+	case '9':	bits = 0x6f;		break;
+
+	default:
+		bits = 0x40;
+		break;
+	}
+
+aff7segs_base(win, lig, col, bits, 0);
+
+return 0;
+}
 /* ---------------------------------------------------------------- */
 
diff --git a/viz/curses/ecran.h b/viz/curses/ecran.h
index ceac133..c2bba24 100644
--- a/viz/curses/ecran.h
+++ b/viz/curses/ecran.h
@@ -5,6 +5,9 @@
 int fond_ecran(char *titre);
 int message(char *);
 
+int aff7segs_base(WINDOW * win, int lig, int col, int bits, int k);
+int aff7segs_digit(WINDOW * win, int lig, int col, char digit);
+
 
 WINDOW * open_waterfall(char *title, int flags);
 int plot_waterfall(WINDOW *wf, int flags, float values[4]);
diff --git a/viz/curses/t.c b/viz/curses/t.c
index ba0fd62..1b11ea7 100644
--- a/viz/curses/t.c
+++ b/viz/curses/t.c
@@ -1,7 +1,7 @@
 #include  <stdio.h>
 #include  <unistd.h>
 #include  <stdlib.h>
-#include  <strings.h>
+#include  <string.h>
 #include  <time.h>
 #include  <getopt.h>
 #include  <ncurses.h>
@@ -10,12 +10,39 @@
 
 int	verbosity;
 
+/* ---------------------------------------------------------------- */
+void demo_7segments(int nbl, int notused)
+{
+int		loop, idx, c, p;
+char		ligne[100];
+
+
+for (idx=0; idx<10; idx++) {
+	c = '0'+idx;
+	p = 1+(idx*8);
+	aff7segs_digit(stdscr, 17, p, c);
+	mvaddch(16, p, c);
+	}
+
+for (loop=0; loop<nbl; loop++) {
+	sprintf(ligne, "%4d", loop);
+	for (idx=0; idx<strlen(ligne); idx++) {
+		aff7segs_digit(stdscr, 5, 1+(idx*8), ligne[idx]);
+		}
+
+	mvaddstr(3, 2, ligne);
+	refresh();
+	usleep(300*1000);
+
+	}
+
+}
 /* ---------------------------------------------------------------- */
 void demo_vumetres(int nbl, int notused)
 {
 int		loop, idx;
 int		hpos;
-char		ligne[100];
+// char		ligne[100];
 float		value;
 
 for (loop=0; loop<nbl; loop++) {
@@ -118,6 +145,7 @@ fond_ecran(" Demonstrator ");
 switch (demonum) {
 	case 0:		demo_vumetres(666, 0);		break;
 	case 1:		demo_waterfall(666, 0);		break;
+	case 2:		demo_7segments(450, 0);		break;
 	}
 
 /*