wm: 5552

Download patch

ref: 0872214890c6e7ca117c2393b62931812824338f
parent: a7be9c155a2bd5fae1b795c69695e3448d1778e9
author: mkf <mkf@d510>
date: Fri May 5 13:52:22 EDT 2023

add 5551.h

--- /dev/null
+++ b/5551.h
@@ -1,0 +1,41 @@
+#define MMAX ( 1 << 8 )
+
+/* ops */
+enum
+{
+	/* machine related */
+	DIE, /* drop dead */
+	OUT,
+
+	/* logical */
+	NOT,
+	AND,
+	NOR,
+	XOR,
+
+	/* arithmatic */
+	SUB,
+	ADD,
+
+	/* shift */
+	SHR,
+	SHL,
+
+	/* memory */
+	PUT, /* stores something in reg */
+	MOV, /* copy stuff from a reg to memory */
+	LDM, /* load from memory into register */
+	NTH, /* returns the Nth bit */
+};
+
+/* registers */
+enum
+{
+	NUL,
+	CARRY,
+	OVERFLOW,
+	NSIGN, /* not used, yet. */
+	PARITY,
+	MODE, /* int or bool */
+	ON, /* false in case of fatal errors, can be used as a source of 1s */
+};