From 2d4ddb1820122cd8e7d42185f2ea80330c63d4f6 Mon Sep 17 00:00:00 2001
From: "Juan J. Martinez" <jjm@usebox.net>
Date: Sat, 2 Oct 2021 20:31:11 +0100
Subject: Introduced config.env

One config to rule the whole build system and the tests.
---
 config.env        | 1 +
 game/src/Makefile | 7 +++----
 tests/Makefile    | 3 +++
 tests/test_rom.py | 4 ++--
 4 files changed, 9 insertions(+), 6 deletions(-)
 create mode 100644 config.env

diff --git a/config.env b/config.env
new file mode 100644
index 0000000..24bc9bb
--- /dev/null
+++ b/config.env
@@ -0,0 +1 @@
+ROM_MAX=0x8000
diff --git a/game/src/Makefile b/game/src/Makefile
index 6ac7a0a..e42313d 100644
--- a/game/src/Makefile
+++ b/game/src/Makefile
@@ -1,12 +1,11 @@
 TARGET := game
 
+include ../../config.env
+
 CODE := 0x4000
 # leaves 222 bytes for AKM player buffer
 DATA := 0xc0de
 
-# HEX, will fill with 0
-ROM_MAX := 8000
-
 OUTPUT := ../build
 OBJS := $(patsubst %.c,$(OUTPUT)/%.rel,$(wildcard *.c)) $(OUTPUT)/akm.rel
 UBOX_LIBS := $(wildcard ../../lib/*.lib)
@@ -19,7 +18,7 @@ CFLAGS := -mz80 --Werror -I../../include -I../generated --fsigned-char --std-sdc
 LDFLAGS := -L../../lib -L. --no-std-crt0 --fomit-frame-pointer
 
 all: $(OUTPUT)/$(TARGET).rom
-	@../../tools/chksize 8000 4000 $(OUTPUT)/$(TARGET).map
+	@../../tools/chksize $(ROM_MAX) 4000 $(OUTPUT)/$(TARGET).map
 	@cp ../bin/$(TARGET).rom ../../bin
 
 openmsx: all
diff --git a/tests/Makefile b/tests/Makefile
index 6c1a9a4..2d741fa 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -1,6 +1,9 @@
 default:
 	$(error Please use the Makefile from root directory)
 
+include ../config.env
+export $(shell sed 's/=.*//' ../config.env)
+
 TESTS := $(wildcard test_*.py)
 
 test:
diff --git a/tests/test_rom.py b/tests/test_rom.py
index a2148e1..d980dad 100755
--- a/tests/test_rom.py
+++ b/tests/test_rom.py
@@ -2,13 +2,13 @@
 
 import unittest
 import struct
-from os import path
+from os import path, environ
 
 
 class TestRom(unittest.TestCase):
     """Test that the generated game ROM is correct."""
 
-    ROM_SIZE = 0x8000
+    ROM_SIZE = int(environ.get("ROM_MAX", 0), 16)
 
     @classmethod
     def setUpClass(cls):
-- 
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