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-rw-r--r--src/engine/menus/wait_keys.asm13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/engine/menus/wait_keys.asm b/src/engine/menus/wait_keys.asm
new file mode 100644
index 0000000..85a6baa
--- /dev/null
+++ b/src/engine/menus/wait_keys.asm
@@ -0,0 +1,13 @@
+; a = keys to escape
+WaitUntilKeysArePressed:
+ push bc
+ ld b, a
+.loop_input
+ push bc
+ call DoFrameIfLCDEnabled
+ pop bc
+ ldh a, [hKeysPressed]
+ and b
+ jr z, .loop_input
+ pop bc
+ ret