From c3639d5b8a3f9e357d35eb9b720e7dfc83c6f6f2 Mon Sep 17 00:00:00 2001
From: Tobias Girstmair <t@thi3nkpad.lan>
Date: Tue, 13 Nov 2018 17:51:54 +0100
Subject: [PATCH 1/1] new version

---
 fakeasm.h | 3 +++
 foo.c     | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/fakeasm.h b/fakeasm.h
index cfb4598..cffa6d8 100644
--- a/fakeasm.h
+++ b/fakeasm.h
@@ -29,3 +29,6 @@ int asmtmp = 0;
 #define ROL(x)	asmtmp = x>>7; x <<= 1; x |= carry; carry = asmtmp;
 #define ROR(x)	asmtmp = x&0x1; x >>= 1; x |= carry<<7; carry = asmtmp;
 #define NEG(x)	x *= -1;
+int sr_neg = 0;
+#define CPI(x,n)  sr_neg = (x-n < 0); //WARN: not a complete CPI mockup
+#define BRPL(l)   if (sr_neg) goto l;
diff --git a/foo.c b/foo.c
index f227598..1265e77 100644
--- a/foo.c
+++ b/foo.c
@@ -41,7 +41,10 @@ void mod3(void) {
 	LSR	(tmp)
 	ANDI	(Ml, 0x03)
 	ADD	(Ml, tmp)
-	if (Ml > 2) Ml = Ml - 3; //TODO
+	CPI	(Ml, 3)
+	BRPL	(skip)
+	Ml = Ml - 3; //TODO
+	skip:;
 	#undef tmp
 }
 void g(void) {
-- 
2.39.3