From: Tobias Girstmair <t@thi3nkpad.lan>
Date: Tue, 11 Dec 2018 00:48:46 +0000 (+0100)
Subject: preparing for C -> ASM
X-Git-Tag: attiny9~19
X-Git-Url: https://git.gir.st/Chiptunes.git/commitdiff_plain/0883137f5c02ef9fe4de56bda216d57d29f25c84

preparing for C -> ASM
---

diff --git a/Makefile b/Makefile
index 8eddac4..2d1a3d9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,14 @@
-a.out: foo.c
-	gcc foo.c
-	./a.out |head -c31457280 |diff -s - full-orig.pcm
-	# NOTE: starts to diverge after 33423360 bytes
-	git add foo.c
-	git commit -m "new version"
-
-.PHONY: test
-test:
-	gcc foo.c
-	./a.out |head -c31457280 |diff -s - full-orig.pcm
+.PHONY: all clean flash
+CHIP ?= 9
+
+all: foo.elf
+
+foo.elf: foo.S
+	avr-gcc -Os -nostdlib -mmcu=attiny$(CHIP) -o $@ $<
+	avr-size -C --mcu=attiny$(CHIP) $@
+
+flash: foo.elf
+	avrdude -cusbasp -Pusb -pt$(CHIP) -Uflash:w:$<:e
+
+clean:
+	rm -f foo.elf
diff --git a/foo.c b/foo.S
similarity index 100%
rename from foo.c
rename to foo.S