TempleOSTS_130315.ISO

TempleOS/Demo/Asm/DivByHand.CPP

@@ -0,0 +1,23 @@
+
+
+asm {
+DIV_U64_BY_U64::
+	ENTER	0
+	XOR	RDX,RDX
+	MOV	RCX,64
+	MOV	RAX,SF_ARG1[RBP]
+	MOV	RBX,SF_ARG2[RBP]
+@@1:	SHL1	RAX
+	RCL1	RDX
+	CMP	RBX,RDX
+	JA	@@2
+	INC	RAX
+	SUB	RDX,RBX
+@@2:	LOOP	@@1
+	LEAVE
+	RET1	16
+}
+
+_extern DIV_U64_BY_U64 I64 DivU64ByU64(I64 dividend,I64 divisor);
+
+"123456/10=%d\n",DivU64ByU64(123456,10);