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95 lines
4.3 KiB
C
95 lines
4.3 KiB
C
/*****************************************************************************/
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/* */
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/* addrsize.c */
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/* */
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/* Address size definitions */
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/* */
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/* */
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/* */
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/* (C) 2003-2009, Ullrich von Bassewitz */
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/* Roemerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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/* common */
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#include "addrsize.h"
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#include "strutil.h"
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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const char* AddrSizeToStr (unsigned char AddrSize)
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/* Return the name for an address size specifier */
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{
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switch (AddrSize) {
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case ADDR_SIZE_DEFAULT: return "default";
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case ADDR_SIZE_ZP: return "zeropage";
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case ADDR_SIZE_ABS: return "absolute";
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case ADDR_SIZE_FAR: return "far";
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case ADDR_SIZE_LONG: return "long";
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default: return "unknown";
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}
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}
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unsigned char AddrSizeFromStr (const char* Str)
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/* Return the address size for a given string. Returns ADDR_SIZE_INVALID if
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** the string cannot be mapped to an address size.
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*/
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{
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static const struct {
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const char* Name;
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unsigned char AddrSize;
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} AddrSizeTable[] = {
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{ "abs", ADDR_SIZE_ABS },
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{ "absolute", ADDR_SIZE_ABS },
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{ "default", ADDR_SIZE_DEFAULT },
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{ "direct", ADDR_SIZE_ZP },
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{ "dword", ADDR_SIZE_LONG },
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{ "far", ADDR_SIZE_FAR },
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{ "long", ADDR_SIZE_LONG },
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{ "near", ADDR_SIZE_ABS },
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{ "zeropage", ADDR_SIZE_ZP },
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{ "zp", ADDR_SIZE_ZP },
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};
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unsigned I;
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for (I = 0; I < sizeof (AddrSizeTable) / sizeof (AddrSizeTable[0]); ++I) {
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if (StrCaseCmp (Str, AddrSizeTable[I].Name) == 0) {
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/* Found */
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return AddrSizeTable[I].AddrSize;
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}
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}
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/* Not found */
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return ADDR_SIZE_INVALID;
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}
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