X-Git-Url: https://jxself.org/git/?p=zilutils.git;a=blobdiff_plain;f=zilasm%2Fopcodes.h;fp=zilasm%2Fopcodes.h;h=bddcb0d90e53846c35ac6cf4c49053465370e31e;hp=0000000000000000000000000000000000000000;hb=fd453701e368225dd15e9df2e5b1752aebe454e8;hpb=093225c7cb864aaa31567969301eb5f36bd9a5f4

diff --git a/zilasm/opcodes.h b/zilasm/opcodes.h
new file mode 100644
index 0000000..bddcb0d
--- /dev/null
+++ b/zilasm/opcodes.h
@@ -0,0 +1,49 @@
+/*
+ * opcodes.h -- part of ZilUtils/ZilAsm
+ *
+ * Copyright (C) 2016 Jason Self <j@jxself.org>
+ *
+ * Based on ZILF (c) 2010, 2015 Jesse McGrew
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+#ifndef ZILASM_OPCODES
+#define ZILASM_OPCODES 1
+
+#include "symtable.h"
+
+typedef enum {
+	Zop_none    =   0,
+	Zop_store   =   1,   // ..stores a result
+	Zop_branch  =   2,   // ..branches to a label
+	Zop_extra   =   4,   // ..takes an extra operand type byte, for a total of 8 possible operands
+	Zop_varargs =   8,   // ..is nominally 2OP but can take up to 4 operands
+	Zop_string  =  16,   // ..has a string literal operand
+	Zop_label   =  32,   // ..can take a local label operand
+	Zop_indvar  =  64,   // ..first operand is an indirect variable number
+	Zop_call    = 128,   // ..first operand is a packed routine address
+	Zop_term    = 256    // ..control flow does not pass to the following instruction
+} ZOpcode_flags;
+
+typedef struct {
+	unsigned opcode;
+	ZOpcode_flags flags;
+} ZOpcode;
+
+extern Symtable *Opcodes;
+
+void init_opcodes(int version, int inform_syntax);
+
+#endif  /* ifndef ZILASM_OPCODES */