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79 lines
3.9 KiB
PHP
79 lines
3.9 KiB
PHP
;*****************************************************************************/
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;* */
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;* modload.inc */
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;* */
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;* o65 module loader interface for cc65 */
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;* */
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;* */
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;* */
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;* (C) 2002 Ullrich von Bassewitz */
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;* Wacholderweg 14 */
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;* D-70597 Stuttgart */
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;* EMail: uz@musoftware.de */
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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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; Exports structures and functions to load relocatable o65 modules at
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; runtime.
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; Offsets for the mod_ctrl struct. This struct is passed to the module loader.
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; It contains stuff, the loader needs to work, and another area where the
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; loader will place informational data if it was successful. You will have to
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; check the return code of mod_load before accessing any of these additional
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; struct members.
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.struct MOD_CTRL
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READ .addr
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CALLERDATA .word
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MODULE .addr ; Pointer to module data
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MODULE_SIZE .word ; Total size of loaded module
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MODULE_ID .word
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.endstruct
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; unsigned char mod_load (struct mod_ctrl* ctrl);
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; /* Load a module into memory and relocate it. The function will return an
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; * error code (see below). If MLOAD_OK is returned, the outgoing fields in
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; * the passed mod_ctrl struct contain information about the module just
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; * loaded.
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; */
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.global _mod_load
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; void mod_free (void* module);
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; /* Free a loaded module. Note: The given pointer is the pointer to the
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; * module memory, not a pointer to a control structure.
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; */
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.global _mod_free
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; Errors
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.enum
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MLOAD_OK ; Module load successful
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MLOAD_ERR_READ ; Read error
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MLOAD_ERR_HDR ; Header error
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MLOAD_ERR_OS ; Wrong OS
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MLOAD_ERR_FMT ; Data format error
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MLOAD_ERR_MEM ; Not enough memory
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.endenum
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