From 9d8bede0503d03ac0616f7a6971fa61dc3dc4cbf Mon Sep 17 00:00:00 2001
From: giomba <giomba@glgprograms.it>
Date: Sun, 22 Oct 2023 11:40:28 +0200
Subject: [PATCH] Add method to wait for some frames in CRT.

---
 src/crt.c | 9 ++++++---
 src/crt.h | 4 ++++
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/crt.c b/src/crt.c
index f1b62ae..5be4a34 100644
--- a/src/crt.c
+++ b/src/crt.c
@@ -1,10 +1,13 @@
 #include "crt.h"
 
-#include <stdint.h>
-
 void crt_waitNextFrame(void) {
     void (*frame_sync_detection_routine)(void) = (void *)0xc75b;
     __asm__("push af");
     frame_sync_detection_routine();
     __asm__("pop af");
-}
\ No newline at end of file
+}
+
+void crt_waitFrames(uint16_t n) {
+    for (uint16_t i = 0; i < n; ++i)
+        crt_waitNextFrame();
+}
diff --git a/src/crt.h b/src/crt.h
index 0fdcac5..c284749 100644
--- a/src/crt.h
+++ b/src/crt.h
@@ -1,6 +1,10 @@
 #ifndef CEDA_CRT_H
 #define CEDA_CRT_H
 
+#include <stdbool.h>
+#include <stdint.h>
+
 void crt_waitNextFrame(void);
+void crt_waitFrames(uint16_t n);
 
 #endif // CEDA_CRT_H