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 | |
47 | extern unsigned char CodeBuf [0x10000]; /* Code buffer */ |
48 | extern unsigned long CodeStart; /* Start address */ |
49 | extern unsigned long CodeEnd; /* End address */ |
50 | extern unsigned long PC; /* Current PC */ |
51 | |
52 | |
53 | |
54 | /*****************************************************************************/ |
55 | /* Code */ |
56 | /*****************************************************************************/ |
57 | |
58 | |
59 | |
60 | void LoadCode (void); |
61 | /* Load the code from the given file */ |
62 | |
63 | unsigned char GetCodeByte (unsigned Addr); |
64 | /* Get a byte from the given address */ |
65 | |
66 | unsigned GetCodeDByte (unsigned Addr); |
67 | /* Get a dbyte from the given address */ |
68 | |
69 | unsigned GetCodeWord (unsigned Addr); |
70 | /* Get a word from the given address */ |
71 | |
72 | unsigned long GetCodeDWord (unsigned Addr); |
73 | /* Get a dword from the given address */ |
74 | |
75 | unsigned GetRemainingBytes (void); |
76 | /* Return the number of remaining code bytes */ |
77 | |
78 | int CodeLeft (void); |
79 | /* Return true if there are code bytes left */ |
80 | |
81 | void 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 | |