From 185ee019a8526b6b50e37c93c570883128ed4ee3 Mon Sep 17 00:00:00 2001
From: Tonton Th <tth@linda.buvette.org>
Date: Sat, 25 Apr 2026 10:35:17 +0200
Subject: [PATCH] more doc

---
 usage.md | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/usage.md b/usage.md
index 7e202eb..45ed196 100644
--- a/usage.md
+++ b/usage.md
@@ -16,8 +16,11 @@ if this filename is an empty string, *stdout* will be used.
 
 ## Use it
 
-- call genp_move(x, y)
-- call genp_draw(x, y, c)
+- real xa, ya, xb, yb
+- integer color
+- call genp_move(xa, ya)
+- call genp_draw(xa, ya, color)
+- call genp_line(xa, ya, xb, yb, color)
 
 ## Terminator