mirror of
https://github.com/cc65/cc65.git
synced 2024-06-26 05:29:30 +00:00
138 lines
5.7 KiB
C
138 lines
5.7 KiB
C
/*****************************************************************************/
|
|
/* */
|
|
/* o65.h */
|
|
/* */
|
|
/* Definitions for the o65 file format */
|
|
/* */
|
|
/* */
|
|
/* */
|
|
/* (C) 2002 Ullrich von Bassewitz */
|
|
/* Wacholderweg 14 */
|
|
/* D-70597 Stuttgart */
|
|
/* EMail: uz@musoftware.de */
|
|
/* */
|
|
/* */
|
|
/* This software is provided 'as-is', without any expressed or implied */
|
|
/* warranty. In no event will the authors be held liable for any damages */
|
|
/* arising from the use of this software. */
|
|
/* */
|
|
/* Permission is granted to anyone to use this software for any purpose, */
|
|
/* including commercial applications, and to alter it and redistribute it */
|
|
/* freely, subject to the following restrictions: */
|
|
/* */
|
|
/* 1. The origin of this software must not be misrepresented; you must not */
|
|
/* claim that you wrote the original software. If you use this software */
|
|
/* in a product, an acknowledgment in the product documentation would be */
|
|
/* appreciated but is not required. */
|
|
/* 2. Altered source versions must be plainly marked as such, and must not */
|
|
/* be misrepresented as being the original software. */
|
|
/* 3. This notice may not be removed or altered from any source */
|
|
/* distribution. */
|
|
/* */
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
/* This files exports structures and constants to handle the o65 relocatable
|
|
* file format as defined by Andre Fachat. See the original document under
|
|
*
|
|
* http://www.6502.org/users/andre/o65/fileformat.html
|
|
*
|
|
* for more information.
|
|
*/
|
|
|
|
|
|
|
|
#ifndef _O65_H
|
|
#define _O65_H
|
|
|
|
|
|
|
|
/* o65 size type. It is 2 bytes for the 6502 and 4 bytes for the 65816 */
|
|
typedef unsigned o65_size;
|
|
|
|
|
|
/* Define a structure with the sid register offsets */
|
|
typedef struct o65_header o65_header;
|
|
struct o65_header {
|
|
char marker[2]; /* Non-C64 marker */
|
|
char magic[3]; /* o65 magic */
|
|
char version; /* Version number */
|
|
unsigned mode; /* Mode word */
|
|
o65_size tbase; /* Original text (code) segment address */
|
|
o65_size tlen; /* Size of text (code) segment */
|
|
o65_size dbase; /* Original data segment address */
|
|
o65_size dlen; /* Size of data segment */
|
|
o65_size bbase; /* Original bss segment address */
|
|
o65_size blen; /* Size of bss segment */
|
|
o65_size zbase; /* Original zp segment address */
|
|
o65_size zlen; /* Size of zp segment */
|
|
o65_size stack; /* Stacksize needed */
|
|
};
|
|
|
|
|
|
|
|
/* Defines for the mode word */
|
|
#define O65_CPU_65816 0x8000 /* Executable is for 65816 */
|
|
#define O65_CPU_6502 0x0000 /* Executable is for the 6502 */
|
|
#define O65_CPU_MASK 0x8000 /* Mask to extract CPU type */
|
|
|
|
#define O65_RELOC_PAGE 0x4000 /* Page wise relocation */
|
|
#define O65_RELOC_BYTE 0x0000 /* Byte wise relocation */
|
|
#define O65_RELOC_MASK 0x4000 /* Mask to extract relocation type */
|
|
|
|
#define O65_SIZE_32BIT 0x2000 /* All size words are 32bit */
|
|
#define O65_SIZE_16BIT 0x0000 /* All size words are 16bit */
|
|
#define O65_SIZE_MASK 0x2000 /* Mask to extract size */
|
|
|
|
#define O65_ALIGN_1 0x0000 /* Bytewise alignment */
|
|
#define O65_ALIGN_2 0x0001 /* Align words */
|
|
#define O65_ALIGN_4 0x0002 /* Align longwords */
|
|
#define O65_ALIGN_256 0x0003 /* Align pages (256 bytes) */
|
|
#define O65_ALIGN_MASK 0x0003 /* Mask to extract alignment */
|
|
|
|
/* The four o65 segment types. */
|
|
#define O65_SEG_UNDEF 0x00
|
|
#define O65_SEG_ABS 0x01
|
|
#define O65_SEG_TEXT 0x02
|
|
#define O65_SEG_DATA 0x03
|
|
#define O65_SEG_BSS 0x04
|
|
#define O65_SEG_ZP 0x05
|
|
|
|
/* Relocation type codes */
|
|
#define O65_RTYPE_WORD 0x80
|
|
#define O65_RTYPE_HIGH 0x40
|
|
#define O65_RTYPE_LOW 0x20
|
|
#define O65_RTYPE_SEGADDR 0xC0
|
|
#define O65_RTYPE_SEG 0xA0
|
|
#define O65_RTYPE_MASK 0xE0
|
|
|
|
/* Segment IDs */
|
|
#define O65_SEGID_UNDEF 0x00
|
|
#define O65_SEGID_ABS 0x01
|
|
#define O65_SEGID_TEXT 0x02
|
|
#define O65_SEGID_DATA 0x03
|
|
#define O65_SEGID_BSS 0x04
|
|
#define O65_SEGID_ZP 0x05
|
|
#define O65_SEGID_MASK 0x07
|
|
|
|
/* Option tags */
|
|
#define O65_OPT_FILENAME 0
|
|
#define O65_OPT_OS 1
|
|
#define O65_OPT_ASM 2
|
|
#define O65_OPT_AUTHOR 3
|
|
#define O65_OPT_TIMESTAMP 4
|
|
|
|
/* Operating system codes for O65_OPT_OS */
|
|
#define O65_OS_OSA65 1
|
|
#define O65_OS_LUNIX 2
|
|
#define O65_OS_CC65_MODULE 3
|
|
|
|
|
|
|
|
/* End of o65.h */
|
|
#endif
|
|
|
|
|
|
|