From 70a801a43c16fd7a5f61e8d876e5d5c2db48ebe8 Mon Sep 17 00:00:00 2001
From: Miquel Sabaté Solà <mssola@mssola.com>
Date: Wed, 16 Sep 2026 22:34:56 +0200
Subject: Initial commit
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Signed-off-by: Miquel Sabaté Solà <mssola@mssola.com>
---
 Makefile | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 Makefile

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..b04fce7
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,52 @@
+V =
+ifeq ($(strip $(V)),)
+	E = @echo
+	Q = @
+else
+	E = @\#
+	Q =
+endif
+
+# CC65 is set to `xa65` if that exists, otherwise we resort to `cl65` by default.
+XA65_BIN := $(shell command -v xa65 2>/dev/null)
+ifneq ($(XA65_BIN),)
+	CC65   ?= xa65
+else
+	CC65   ?= cl65
+endif
+
+# NOTE: you can configure `CC65` and `CCOPTS` with the compiler and its options
+# that you might require.
+CCOPTS ?= --target nes
+
+# Be strict when using xa65, and extra verbose if V=1.
+ifeq ($(CC65),xa65)
+	CCOPTS += --strict --stats
+endif
+
+##
+# all: clean the workspace and build the ROM file.
+
+.PHONY: all
+all: clean deps build
+
+##
+# clean & deps: clean the workspace and check that all dependencies are met.
+
+.PHONY: clean
+clean:
+	$(Q) rm -rf out
+	$(Q) find . -type f -name "*.nes" -delete
+	$(Q) rm -rf .nasm/
+	$(Q) mkdir -p out/
+
+.PHONY: deps
+deps:
+	@which $(CC65) >/dev/null 2>/dev/null || (echo "ERROR: '$(CC65)' not found." && false)
+
+##
+# build: create the ROM file.
+
+.PHONY: build
+build:
+	$(Q) $(CC65) $(CCOPTS) src/btree.s -C config/mmc1.cfg -o out/btree.nes 1>/dev/null
-- 
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