From 7c9b9780124fab940b35fd2acde86d6fe6f81104 Mon Sep 17 00:00:00 2001
From: steve <jscrane@gmail.com>
Date: Fri, 20 Oct 2023 13:18:38 +0100
Subject: [PATCH] add Display::statusf()

---
 display.cpp | 10 ++++++++++
 display.h   |  1 +
 2 files changed, 11 insertions(+)

diff --git a/display.cpp b/display.cpp
index 1d07b83..17c7f22 100644
--- a/display.cpp
+++ b/display.cpp
@@ -1,3 +1,4 @@
+#include <stdarg.h>
 #include <stdint.h>
 #include "hardware.h"
 #include "memory.h"
@@ -150,6 +151,15 @@ void Display::status(const char *s) {
 #endif
 }
 
+void Display::statusf(const char *fmt, ...) {
+	va_list args;
+	char buf[80];
+	va_start(args, fmt);
+	vsnprintf(buf, sizeof(buf), fmt, args);
+	va_end(args);
+	status(buf);
+}
+
 void Display::drawPixel(unsigned x, unsigned y, colour_t col) {
 	x += _xoff;
 	y += _yoff;
diff --git a/display.h b/display.h
index 02e52da..9fd37be 100644
--- a/display.h
+++ b/display.h
@@ -34,6 +34,7 @@ public:
 
 	void clear();
 	void status(const char *s);
+	void statusf(const char *fmt, ...);
 
 	void drawPixel(unsigned x, unsigned y, colour_t col);
 	void drawString(const char *s, unsigned x, unsigned y);