1 | /*****************************************************************************/ |
2 | /* */ |
3 | /* addrsize.c */ |
4 | /* */ |
5 | /* Address size definitions */ |
6 | /* */ |
7 | /* */ |
8 | /* */ |
9 | /* (C) 2003-2009, 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 | /* common */ |
37 | #include "addrsize.h" |
38 | #include "strutil.h" |
39 | |
40 | |
41 | |
42 | /*****************************************************************************/ |
43 | /* Code */ |
44 | /*****************************************************************************/ |
45 | |
46 | |
47 | |
48 | const char* AddrSizeToStr (unsigned char AddrSize) |
49 | /* Return the name for an address size specifier */ |
50 | { |
51 | switch (AddrSize) { |
52 | case ADDR_SIZE_DEFAULT: return "default" ; |
53 | case ADDR_SIZE_ZP: return "zeropage" ; |
54 | case ADDR_SIZE_ABS: return "absolute" ; |
55 | case ADDR_SIZE_FAR: return "far" ; |
56 | case ADDR_SIZE_LONG: return "long" ; |
57 | default: return "unknown" ; |
58 | } |
59 | } |
60 | |
61 | |
62 | |
63 | unsigned char AddrSizeFromStr (const char* Str) |
64 | /* Return the address size for a given string. Returns ADDR_SIZE_INVALID if |
65 | ** the string cannot be mapped to an address size. |
66 | */ |
67 | { |
68 | static const struct { |
69 | const char* Name; |
70 | unsigned char AddrSize; |
71 | } AddrSizeTable[] = { |
72 | { "abs" , ADDR_SIZE_ABS }, |
73 | { "absolute" , ADDR_SIZE_ABS }, |
74 | { "default" , ADDR_SIZE_DEFAULT }, |
75 | { "direct" , ADDR_SIZE_ZP }, |
76 | { "dword" , ADDR_SIZE_LONG }, |
77 | { "far" , ADDR_SIZE_FAR }, |
78 | { "long" , ADDR_SIZE_LONG }, |
79 | { "near" , ADDR_SIZE_ABS }, |
80 | { "zeropage" , ADDR_SIZE_ZP }, |
81 | { "zp" , ADDR_SIZE_ZP }, |
82 | }; |
83 | unsigned I; |
84 | |
85 | for (I = 0; I < sizeof (AddrSizeTable) / sizeof (AddrSizeTable[0]); ++I) { |
86 | if (StrCaseCmp (Str, AddrSizeTable[I].Name) == 0) { |
87 | /* Found */ |
88 | return AddrSizeTable[I].AddrSize; |
89 | } |
90 | } |
91 | |
92 | /* Not found */ |
93 | return ADDR_SIZE_INVALID; |
94 | } |
95 | |