1/*****************************************************************************/
2/* */
3/* code.h */
4/* */
5/* Binary code management */
6/* */
7/* */
8/* */
9/* (C) 2000-2003 Ullrich von Bassewitz */
10/* Römerstrasse 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 CODE_H
37#define CODE_H
38
39
40
41/*****************************************************************************/
42/* Data */
43/*****************************************************************************/
44
45
46
47extern unsigned char CodeBuf [0x10000]; /* Code buffer */
48extern unsigned long CodeStart; /* Start address */
49extern unsigned long CodeEnd; /* End address */
50extern unsigned long PC; /* Current PC */
51
52
53
54/*****************************************************************************/
55/* Code */
56/*****************************************************************************/
57
58
59
60void LoadCode (void);
61/* Load the code from the given file */
62
63unsigned char GetCodeByte (unsigned Addr);
64/* Get a byte from the given address */
65
66unsigned GetCodeDByte (unsigned Addr);
67/* Get a dbyte from the given address */
68
69unsigned GetCodeWord (unsigned Addr);
70/* Get a word from the given address */
71
72unsigned long GetCodeDWord (unsigned Addr);
73/* Get a dword from the given address */
74
75unsigned GetRemainingBytes (void);
76/* Return the number of remaining code bytes */
77
78int CodeLeft (void);
79/* Return true if there are code bytes left */
80
81void ResetCode (void);
82/* Reset the code input to start over for the next pass */
83
84
85
86/* End of code.h */
87
88#endif
89