From e12c78f6ba8625a614c9bc28d4b8043166082116 Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Wed, 12 Sep 2018 05:16:35 +0000
Subject: Added graphics files and done 4-colour tiles.

---
 macros.inc | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 macros.inc

(limited to 'macros.inc')

diff --git a/macros.inc b/macros.inc
new file mode 100644
index 0000000..78bbfad
--- /dev/null
+++ b/macros.inc
@@ -0,0 +1,24 @@
+DMA:	macro	mode,source,dest,len
+
+	pha
+
+	lda	#@mode
+	sta	DMAP0
+	lda	#@dest
+	sta	BBAD0
+	lda	#@source & $ff
+	sta	A1T0L
+	lda	#{@source >> 8} & $ff
+	sta	A1T0H
+	lda	#{@source >> 16} & $ff
+	sta	A1B0
+	lda	#@len & $ff
+	sta	DAS0L
+	lda	#{@len >> 8} & $ff
+	sta	DAS0H
+	lda	#1
+	sta	MDMAEN
+
+	pla
+
+	endm
-- 
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