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 */
48typedef 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 */
57extern mmodel_t MemoryModel;
58
59/* Address sizes for the segments */
60extern unsigned char CodeAddrSize;
61extern unsigned char DataAddrSize;
62extern unsigned char ZpAddrSize;
63
64
65
66/*****************************************************************************/
67/* Code */
68/*****************************************************************************/
69
70
71
72mmodel_t FindMemoryModel (const char* Name);
73/* Find a memory model by name. Return MMODEL_UNKNOWN for an unknown name. */
74
75void 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