From 6231fb6932f67c1f9ae159ea34f5ef9392d67778 Mon Sep 17 00:00:00 2001
From: John Tsiombikas <nuclear@member.fsf.org>
Date: Thu, 17 Oct 2019 10:36:09 +0300
Subject: [PATCH] added rules for constructing hard disk images (better(?) for
 usb sticks)

---
 Makefile |   13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 1a2fcb4..2055efd 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,12 @@ LDFLAGS = -m elf_i386 -T game.ld -print-gc-sections
 QEMU_FLAGS = -fda floppy.img -serial file:serial.log -d guest_errors
 
 .PHONY: all
-all: floppy.img
+all: floppy.img disk.img
+
+disk.img: boot.img blank.img
+	cp blank.img $@
+	dd of=$@ if=$< conv=notrunc
+	dd of=$@ if=blank.img bs=1 seek=440 skip=440 count=70 status=none conv=notrunc
 
 floppy.img: boot.img
 	dd of=$@ if=/dev/zero bs=512 count=2880
@@ -20,6 +25,10 @@ floppy.img: boot.img
 boot.img: bootldr.bin $(bin)
 	cat $^ >$@
 
+blank.img: Makefile
+	dd if=/dev/zero of=$@ bs=512 count=8192
+	echo start=2048 type=c | sfdisk $@
+
 bootldr.bin: $(elf)
 	objcopy -O binary -j '.boot*' $< $@
 
@@ -65,7 +74,7 @@ sym: $(name).sym
 tools/csprite/csprite:
 	$(MAKE) -C tools/csprite
 
-data/sprsheet.inc: data/sprsheet.png
+data/sprsheet.inc: data/sprsheet.png tools/csprite/csprite
 	tools/csprite/csprite -n sprsheet -s 32x32 $< >$@
 
 #data/sprsheet.inc: data/sprsheet.png
-- 
1.7.10.4