From aae999f72bd81a3156c7e00da4ebf499f52da5a6 Mon Sep 17 00:00:00 2001
From: Rangi <remy.oukaour+rangi42@gmail.com>
Date: Wed, 4 Nov 2020 15:16:20 -0500
Subject: Start reorganizing pokeyellow

---
 macros/data.asm | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'macros/data.asm')

diff --git a/macros/data.asm b/macros/data.asm
index 16742d53..3f18fb6e 100755
--- a/macros/data.asm
+++ b/macros/data.asm
@@ -78,3 +78,12 @@ dbbw: MACRO
 	db \1, \2
 	dw \3
 ENDM
+
+sine_wave: MACRO
+; \1: amplitude
+x = 0
+REPT $20
+	dw (sin(x) + (sin(x) & $ff)) >> 8 ; round up
+x = x + (\1) * $40000
+ENDR
+ENDM
-- 
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