1 ;*****************************************************************************/
5 ;* Definitions for the o65 file format */
9 ;* (C) 2002 Ullrich von Bassewitz */
11 ;* D-70597 Stuttgart */
12 ;* EMail: uz@musoftware.de */
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. */
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: */
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 */
32 ;*****************************************************************************/
36 ; This files exports structures and constants to handle the o65 relocatable
37 ; file format as defined by Andre Fachat.
41 ; Offsets into the o65 header structure (6502 format)
42 O65_HDR_MARKER = 0 ; Non-C64 marker
43 O65_HDR_MAGIC = 2 ; o65 magic
44 O65_HDR_VERSION = 5 ; Version number
45 O65_HDR_MODE = 6 ; Mode word
46 O65_HDR_TBASE = 8 ; Original text (code) segment address
47 O65_HDR_TLEN = 10 ; Size of text (code) segment
48 O65_HDR_DBASE = 12 ; Original data segment address
49 O65_HDR_DLEN = 14 ; Size of data segment
50 O65_HDR_BBASE = 16 ; Original bss segment address
51 O65_HDR_BLEN = 18 ; Size of bss segment
52 O65_HDR_ZBASE = 20 ; Original zp segment address
53 O65_HDR_ZLEN = 22 ; Size of zp segment
54 O65_HDR_STACK = 24 ; Stacksize needed
55 O65_HDR_SIZE = 26 ; Size of header structure
57 ; Marker, magic and version number
60 O65_MAGIC_0 = $6F ; 'o'
61 O65_MAGIC_1 = $36 ; '6'
62 O65_MAGIC_2 = $35 ; '5'
65 ; Defines for the mode word
66 O65_CPU_65816 = $8000 ; Executable is for 65816
67 O65_CPU_6502 = $0000 ; Executable is for the 6502
68 O65_CPU_MASK = $8000 ; Mask to extract CPU type
70 O65_RELOC_PAGE = $4000 ; Page wise relocation
71 O65_RELOC_BYTE = $0000 ; Byte wise relocation
72 O65_RELOC_MASK = $4000 ; Mask to extract relocation type
74 O65_SIZE_32BIT = $2000 ; All size words are 32bit
75 O65_SIZE_16BIT = $0000 ; All size words are 16bit
76 O65_SIZE_MASK = $2000 ; Mask to extract size
78 O65_FTYPE_OBJ = $1000 ; Object file
79 O65_FTYPE_EXE = $0000 ; Executable file
80 O65_FTYPE_MASK = $1000 ; Mask to extract type
82 O65_ADDR_SIMPLE = $0800 ; Simple addressing
83 O65_ADDR_DEFAULT = $0000 ; Default addressing
84 O65_ADDR_MASK = $0800 ; Mask to extract addressing
86 O65_ALIGN_1 = $0000 ; Bytewise alignment
87 O65_ALIGN_2 = $0001 ; Align words
88 O65_ALIGN_4 = $0002 ; Align longwords
89 O65_ALIGN_256 = $0003 ; Align pages (256 bytes)
90 O65_ALIGN_MASK = $0003 ; Mask to extract alignment
92 ; The mode word as generated by the ld65 linker
93 O65_MODE_CC65 = O65_CPU_6502 | O65_RELOC_BYTE | O65_SIZE_16BIT | O65_FTYPE_EXE | O65_ADDR_SIMPLE | O65_ALIGN_1
95 ; Relocation type codes
99 O65_RTYPE_SEGADDR = $C0
104 O65_SEGID_UNDEF = $00
117 O65_OPT_TIMESTAMP = 4
119 ; Operating system codes for O65_OPT_OS
122 O65_OS_CC65_MODULE = 3
125 O65_LOAD_OK = 0 ; Module load successful
126 O65_LOAD_ERR_READ = 1 ; Read error
127 O65_LOAD_ERR_HDR = 2 ; Header error
128 O65_LOAD_ERR_OS = 3 ; Wrong OS
129 O65_LOAD_ERR_FMT = 4 ; Data format error
130 O65_LOAD_ERR_MEM = 5 ; Not enough memory