mirror of https://github.com/cc65/cc65.git
151 lines
7.2 KiB
PHP
151 lines
7.2 KiB
PHP
;*****************************************************************************/
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;* */
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;* o65.inc */
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;* */
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;* Definitions for the o65 file format */
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;* */
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;* */
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;* */
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;* (C) 2002-2009, 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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; This files exports structures and constants to handle the o65 relocatable
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; file format as defined by Andre Fachat.
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; The o65 header structure (6502 format)
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.struct O65_HDR
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MARKER .byte 2 ; Non-C64 marker: $01 $00
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MAGIC .byte 3 ; o65 magic: "o65"
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VERSION .byte 1 ; Version number
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MODE .word ; Mode word
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TBASE .word ; Original text (code) segment address
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TLEN .word ; Size of text (code) segment
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DBASE .word ; Original data segment address
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DLEN .word ; Size of data segment
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BBASE .word ; Original bss segment address
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BLEN .word ; Size of bss segment
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ZBASE .word ; Original zp segment address
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ZLEN .word ; Size of zp segment
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STACK .word ; Stacksize needed
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.endstruct
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; Marker, magic and version number
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O65_MARKER_0 = $01
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O65_MARKER_1 = $00
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O65_MAGIC_0 = $6F ; 'o'
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O65_MAGIC_1 = $36 ; '6'
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O65_MAGIC_2 = $35 ; '5'
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O65_VERSION = $00
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; Defines for the mode word
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O65_CPU_65816 = $8000 ; Executable is for 65816
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O65_CPU_6502 = $0000 ; Executable is for the 6502
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O65_CPU_MASK = $8000 ; Mask to extract CPU type
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O65_RELOC_PAGE = $4000 ; Page wise relocation
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O65_RELOC_BYTE = $0000 ; Byte wise relocation
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O65_RELOC_MASK = $4000 ; Mask to extract relocation type
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O65_SIZE_32BIT = $2000 ; All size words are 32bit
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O65_SIZE_16BIT = $0000 ; All size words are 16bit
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O65_SIZE_MASK = $2000 ; Mask to extract size
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O65_FTYPE_OBJ = $1000 ; Object file
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O65_FTYPE_EXE = $0000 ; Executable file
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O65_FTYPE_MASK = $1000 ; Mask to extract type
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O65_ADDR_SIMPLE = $0800 ; Simple addressing
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O65_ADDR_DEFAULT = $0000 ; Default addressing
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O65_ADDR_MASK = $0800 ; Mask to extract addressing
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O65_CHAIN = $0400 ; Chained file, another one follows
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O65_CHAIN_MASK = $0400 ; Mask to extract chain flag
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O65_BSSZERO = $0200 ; BSS segment must be zeroed
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O65_BSSZERO_MASK = $0200 ; Mask to extract bss zero flag
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; The following is used if O65_CPU == 6502
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O65_CPU2_6502 = $0000 ; Executable is for 6502
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O65_CPU2_65C02 = $0010 ; Executable is for 65C02
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O65_CPU2_65SC02 = $0020 ; Executable is for 65SC02
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O65_CPU2_65CE02 = $0030 ; Executable is for 65CE02
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O65_CPU2_6502X = $0040 ; Executable is for NMOS 6502
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O65_CPU2_65816_EMU = $0050 ; Executable is for 65816 in emul mode
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O65_CPU2_MASK = $00F0 ; Mask to extract CPU2 field
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O65_ALIGN_1 = $0000 ; Bytewise alignment
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O65_ALIGN_2 = $0001 ; Align words
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O65_ALIGN_4 = $0002 ; Align longwords
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O65_ALIGN_256 = $0003 ; Align pages (256 bytes)
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O65_ALIGN_MASK = $0003 ; Mask to extract alignment
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; The mode word as generated by the ld65 linker
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O65_MODE_CC65 = O65_CPU_6502 | O65_RELOC_BYTE | O65_SIZE_16BIT | O65_FTYPE_EXE | O65_ADDR_SIMPLE | O65_ALIGN_1
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; Relocation type codes
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O65_RTYPE_WORD = $80
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O65_RTYPE_HIGH = $40
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O65_RTYPE_LOW = $20
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O65_RTYPE_SEGADDR = $C0
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O65_RTYPE_SEG = $A0
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O65_RTYPE_MASK = $E0
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; Segment IDs
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O65_SEGID_UNDEF = $00
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O65_SEGID_ABS = $01
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O65_SEGID_TEXT = $02
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O65_SEGID_DATA = $03
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O65_SEGID_BSS = $04
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O65_SEGID_ZP = $05
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O65_SEGID_MASK = $07
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; Option tags
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O65_OPT_FILENAME = 0
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O65_OPT_OS = 1
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O65_OPT_ASM = 2
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O65_OPT_AUTHOR = 3
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O65_OPT_TIMESTAMP = 4
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; Operating system codes for O65_OPT_OS
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O65_OS_OSA65 = 1
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O65_OS_LUNIX = 2
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O65_OS_CC65 = 3
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O65_OS_OPENCBM = 4
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; Load errors
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O65_LOAD_OK = 0 ; Module load successful
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O65_LOAD_ERR_READ = 1 ; Read error
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O65_LOAD_ERR_HDR = 2 ; Header error
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O65_LOAD_ERR_OS = 3 ; Wrong OS
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O65_LOAD_ERR_FMT = 4 ; Data format error
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O65_LOAD_ERR_MEM = 5 ; Not enough memory
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