From 207adbc2f88f765dfffd275ab3110f602a15d9c7 Mon Sep 17 00:00:00 2001
From: Virgil Dupras <hsoft@hardcoded.net>
Date: Mon, 20 May 2019 08:58:53 -0400
Subject: [PATCH] tools/emul: add "make rescue" command

---
 tools/emul/Makefile | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/emul/Makefile b/tools/emul/Makefile
index 0cfcf8a..097874f 100644
--- a/tools/emul/Makefile
+++ b/tools/emul/Makefile
@@ -47,6 +47,15 @@ updatebootstrap: $(ZASMBIN)
 	$(ZASMBIN) < zasm/glue.asm > zasm/kernel.bin
 	$(ZASMBIN) < $(APPS)/zasm/glue.asm > zasm/zasm.bin
 
+# Sometimes, when developing zasm, stuff get messed up and it's hard to unmess
+# because zasm's brake-up ends up in its bootstrap bins. Sure, we can revert
+# from git, but if we're in the middle of some work, it's inconvenient. As long
+# as we don't diverge from scas's syntax, it can come to the recue!
+.PHONY: rescue
+rescue:
+	scas -o zasm/kernel.bin -I $(KERNEL) zasm/glue.asm
+	scas -o zasm/zasm.bin -I $(APPS) $(APPS)/zasm/glue.asm
+
 .PHONY: clean
 clean:
 	rm -f $(TARGETS) zasm/{kernel,user}.h shell/kernel.h zasm/includes.*