1/*****************************************************************************/
2/* */
3/* objcode.h */
4/* */
5/* Objectcode management for the ca65 macroassembler */
6/* */
7/* */
8/* */
9/* (C) 1998-2008 Ullrich von Bassewitz */
10/* Roemerstrasse 52 */
11/* D-70794 Filderstadt */
12/* EMail: uz@cc65.org */
13/* */
14/* */
15/* This software is provided 'as-is', without any expressed or implied */
16/* warranty. In no event will the authors be held liable for any damages */
17/* arising from the use of this software. */
18/* */
19/* Permission is granted to anyone to use this software for any purpose, */
20/* including commercial applications, and to alter it and redistribute it */
21/* freely, subject to the following restrictions: */
22/* */
23/* 1. The origin of this software must not be misrepresented; you must not */
24/* claim that you wrote the original software. If you use this software */
25/* in a product, an acknowledgment in the product documentation would be */
26/* appreciated but is not required. */
27/* 2. Altered source versions must be plainly marked as such, and must not */
28/* be misrepresented as being the original software. */
29/* 3. This notice may not be removed or altered from any source */
30/* distribution. */
31/* */
32/*****************************************************************************/
33
34
35
36#ifndef OBJCODE_H
37#define OBJCODE_H
38
39
40
41/* ca65 */
42#include "expr.h"
43#include "strbuf.h"
44
45
46
47/*****************************************************************************/
48/* Code */
49/*****************************************************************************/
50
51
52
53void Emit0 (unsigned char OPC);
54/* Emit an instruction with a zero sized operand */
55
56void Emit1 (unsigned char OPC, ExprNode* Value);
57/* Emit an instruction with an one byte argument */
58
59void Emit2 (unsigned char OPC, ExprNode* Value);
60/* Emit an instruction with a two byte argument */
61
62void Emit3 (unsigned char OPC, ExprNode* Expr);
63/* Emit an instruction with a three byte argument */
64
65void EmitSigned (ExprNode* Expr, unsigned Size);
66/* Emit a signed expression with the given size */
67
68void EmitPCRel (unsigned char OPC, ExprNode* Expr, unsigned Size);
69/* Emit an opcode with a PC relative argument of one or two bytes */
70
71void EmitData (const void* Data, unsigned Size);
72/* Emit data into the current segment */
73
74void EmitStrBuf (const StrBuf* Data);
75/* Emit a string into the current segment */
76
77void EmitByte (ExprNode* Expr);
78/* Emit one byte */
79
80void EmitWord (ExprNode* Expr);
81/* Emit one word */
82
83void EmitFarAddr (ExprNode* Expr);
84/* Emit a 24 bit expression */
85
86void EmitDWord (ExprNode* Expr);
87/* Emit one dword */
88
89void EmitFill (unsigned long Count);
90/* Emit Count fill bytes */
91
92
93
94/* End of objcode.h */
95
96#endif
97