From 828e099e7f5da482a2661b6e2517395cf2969475 Mon Sep 17 00:00:00 2001
From: Vince Weaver <vince@deater.net>
Date: Fri, 7 Aug 2020 16:49:11 -0400
Subject: [PATCH] mist: stoney: have airlock doorknobs glow in the dark

---
 mist/stoney.s         |  8 ++++++++
 mist/stoney_puzzles.s | 19 +++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/mist/stoney.s b/mist/stoney.s
index 5e9ad3fc..2ba7065e 100644
--- a/mist/stoney.s
+++ b/mist/stoney.s
@@ -153,6 +153,11 @@ dont_touch_lights:
 	beq	handle_doorway_light
 	cmp	#STONEY_LEFT_TUNNEL1
 	beq	handle_doorway_light
+	cmp	#STONEY_LEFT_AIRLOCK
+	beq	handle_airlock_doorknob
+	cmp	#STONEY_RIGHT_AIRLOCK
+	beq	handle_airlock_doorknob
+
 	bne	not_a_doorway
 
 handle_doorway1:
@@ -164,6 +169,9 @@ handle_doorway2:
 handle_doorway_light:
 	jsr	draw_light_doorway
 	jmp	not_a_doorway
+handle_airlock_doorknob:
+	jsr	draw_airlock_doorknob
+	jmp	not_a_doorway
 
 not_a_doorway:
 
diff --git a/mist/stoney_puzzles.s b/mist/stoney_puzzles.s
index c9fd7455..a4da2db4 100644
--- a/mist/stoney_puzzles.s
+++ b/mist/stoney_puzzles.s
@@ -1108,6 +1108,19 @@ draw_doorway2:
 done_doorway:
 	rts
 
+draw_airlock_doorknob:
+	lda	DIRECTION
+	cmp	#DIRECTION_N
+	bne	done_doorway
+
+	ldx	#16
+	lda	#<airlock_doorknob_list
+	sta	INL
+	lda	#>airlock_doorknob_list
+	sta	INH
+	jmp	hlin_list
+
+
 draw_light_doorway:
 	lda	DIRECTION
 	cmp	#DIRECTION_S
@@ -1181,3 +1194,9 @@ doorway_light_list:
 	.byte	$ff,19,2
 	.byte	$ff,$ff,$ff
 
+
+	; at 16
+airlock_doorknob_list:
+	.byte	$d0,19,2
+	.byte	$ff,$ff,$ff
+