1 | /*****************************************************************************/ |
2 | /* */ |
3 | /* mmodel.h */ |
4 | /* */ |
5 | /* Memory model definitions */ |
6 | /* */ |
7 | /* */ |
8 | /* */ |
9 | /* (C) 2003 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 MMODEL_H |
37 | #define MMODEL_H |
38 | |
39 | |
40 | |
41 | /*****************************************************************************/ |
42 | /* Data */ |
43 | /*****************************************************************************/ |
44 | |
45 | |
46 | |
47 | /* Memory models */ |
48 | typedef enum { |
49 | MMODEL_UNKNOWN = -1, |
50 | MMODEL_NEAR, /* Code: near, data: near */ |
51 | MMODEL_FAR, /* Code: far, data: near */ |
52 | MMODEL_HUGE, /* Code: far, data: far */ |
53 | MMODEL_COUNT /* Number of memory models */ |
54 | } mmodel_t; |
55 | |
56 | /* Memory model in use */ |
57 | extern mmodel_t MemoryModel; |
58 | |
59 | /* Address sizes for the segments */ |
60 | extern unsigned char CodeAddrSize; |
61 | extern unsigned char DataAddrSize; |
62 | extern unsigned char ZpAddrSize; |
63 | |
64 | |
65 | |
66 | /*****************************************************************************/ |
67 | /* Code */ |
68 | /*****************************************************************************/ |
69 | |
70 | |
71 | |
72 | mmodel_t FindMemoryModel (const char* Name); |
73 | /* Find a memory model by name. Return MMODEL_UNKNOWN for an unknown name. */ |
74 | |
75 | void SetMemoryModel (mmodel_t Model); |
76 | /* Set the memory model updating the MemoryModel variables and the address |
77 | ** sizes for the segments. |
78 | */ |
79 | |
80 | |
81 | |
82 | /* End of mmodel.h */ |
83 | |
84 | #endif |
85 | |