From 17578880d953e9f46e73db207f759f2a62641b31 Mon Sep 17 00:00:00 2001
From: David Schmenk <dschmenk@sbcglobal.net>
Date: Sat, 9 Jul 2016 20:26:17 -0700
Subject: [PATCH 1/2] Update comments

---
 src/libsrc/dgr.pla | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/libsrc/dgr.pla b/src/libsrc/dgr.pla
index e455922..4749d16 100755
--- a/src/libsrc/dgr.pla
+++ b/src/libsrc/dgr.pla
@@ -172,7 +172,7 @@ asm _dgrVLinPix
 	RTS
 end
 //
-// Plot horizontal row of pixels
+// Draw sprite
 //
 export asm dgrBLT(buff, x, y, width, height, src)
 	LDA	ESTKL,X		; SPRITE
@@ -325,7 +325,7 @@ asm auxRead
 	RTS
 end
 //
-// Plot horizontal row of pixels
+// Draw 8x8 tile (forced to 2x2 block address)
 //
 export asm dgrTile(buff, x, y, src)
 	STX	ESP

From 5d9dda053b85b575a77821d6b0d94399a74a320f Mon Sep 17 00:00:00 2001
From: David Schmenk <dschmenk@sbcglobal.net>
Date: Sat, 9 Jul 2016 20:28:03 -0700
Subject: [PATCH 2/2] Fail if not 128K

---
 src/libsrc/dgr.pla | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libsrc/dgr.pla b/src/libsrc/dgr.pla
index 4749d16..32776bd 100755
--- a/src/libsrc/dgr.pla
+++ b/src/libsrc/dgr.pla
@@ -660,6 +660,7 @@ if MACHID & $F0 <> $B0
 	puts("\n128K REQUIRED FOR DOUBLE LO-RES.")
 	^$C010
 	while ^$C000 < 128; loop
+	return -1
 fin
 //
 // Assembly fixups