From f7e40d1ed5977c5a1b56d0ccb03917901d934f56 Mon Sep 17 00:00:00 2001
From: Nick Briggs <nicholas.h.briggs@gmail.com>
Date: Sun, 19 Sep 2021 14:19:42 -0700
Subject: [PATCH] Use symbolic constants for COLOR related subrs rather than
 numbers

cases for subrs UNCOLORIZE-BITMAP, COLORIZE-BITMAP, COLOR-8BPPDRAWLINE (which
are not compiled into current code) can have the numbers replaced by the
symbolic constants that are now defined in subrs.h
---
 src/subr.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/subr.c b/src/subr.c
index afe81db..16f77ae 100644
--- a/src/subr.c
+++ b/src/subr.c
@@ -340,17 +340,17 @@ void OP_subrcall(int subr_no, int argnum) {
       C_slowbltchar(args);
       break;
 
-    case 0215:
+    case sb_UNCOLORIZE_BITMAP:
       POP_SUBR_ARGS;
       Uncolorize_Bitmap(args);
       break;
 
-    case 0216:
+    case sb_COLORIZE_BITMAP:
       POP_SUBR_ARGS;
       Colorize_Bitmap(args);
       break;
 
-    case 0217:
+    case sb_COLOR_8BPPDRAWLINE:
       POP_SUBR_ARGS;
       Draw_8BppColorLine(args);
       break;