1 | /*****************************************************************************/ |
2 | /* */ |
3 | /* ea65.h */ |
4 | /* */ |
5 | /* Effective address structure definition */ |
6 | /* */ |
7 | /* */ |
8 | /* */ |
9 | /* (C) 1998-2004 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 EA_H |
37 | #define EA_H |
38 | |
39 | |
40 | |
41 | /*****************************************************************************/ |
42 | /* Data */ |
43 | /*****************************************************************************/ |
44 | |
45 | |
46 | |
47 | /* GetEA result struct */ |
48 | typedef struct EffAddr EffAddr; |
49 | struct EffAddr { |
50 | /* First three fields get filled when calling GetEA */ |
51 | unsigned long AddrModeSet; /* Possible addressing modes */ |
52 | struct ExprNode* Expr; /* Expression if any (NULL otherwise) */ |
53 | unsigned Reg; /* Register number in sweet16 mode */ |
54 | |
55 | /* The following fields are used inside instr.c */ |
56 | unsigned AddrMode; /* Actual addressing mode used */ |
57 | unsigned long AddrModeBit; /* Addressing mode as bit mask */ |
58 | unsigned char Opcode; /* Opcode */ |
59 | }; |
60 | |
61 | |
62 | |
63 | /* End of ea.h */ |
64 | |
65 | #endif |
66 | |