mirror of
https://github.com/cc65/cc65.git
synced 2024-11-01 11:04:34 +00:00
151 lines
7.2 KiB
PHP
151 lines
7.2 KiB
PHP
;*****************************************************************************/
|
|
;* */
|
|
;* o65.inc */
|
|
;* */
|
|
;* Definitions for the o65 file format */
|
|
;* */
|
|
;* */
|
|
;* */
|
|
;* (C) 2002-2009, Ullrich von Bassewitz */
|
|
;* Roemerstrasse 52 */
|
|
;* D-70794 Filderstadt */
|
|
;* EMail: uz@cc65.org */
|
|
;* */
|
|
;* */
|
|
;* 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.
|
|
|
|
|
|
|
|
; The o65 header structure (6502 format)
|
|
.struct O65_HDR
|
|
MARKER .byte 2 ; Non-C64 marker: $01 $00
|
|
MAGIC .byte 3 ; o65 magic: "o65"
|
|
VERSION .byte 1 ; Version number
|
|
MODE .word ; Mode word
|
|
TBASE .word ; Original text (code) segment address
|
|
TLEN .word ; Size of text (code) segment
|
|
DBASE .word ; Original data segment address
|
|
DLEN .word ; Size of data segment
|
|
BBASE .word ; Original bss segment address
|
|
BLEN .word ; Size of bss segment
|
|
ZBASE .word ; Original zp segment address
|
|
ZLEN .word ; Size of zp segment
|
|
STACK .word ; Stacksize needed
|
|
.endstruct
|
|
|
|
; Marker, magic and version number
|
|
O65_MARKER_0 = $01
|
|
O65_MARKER_1 = $00
|
|
O65_MAGIC_0 = $6F ; 'o'
|
|
O65_MAGIC_1 = $36 ; '6'
|
|
O65_MAGIC_2 = $35 ; '5'
|
|
O65_VERSION = $00
|
|
|
|
; Defines for the mode word
|
|
O65_CPU_65816 = $8000 ; Executable is for 65816
|
|
O65_CPU_6502 = $0000 ; Executable is for the 6502
|
|
O65_CPU_MASK = $8000 ; Mask to extract CPU type
|
|
|
|
O65_RELOC_PAGE = $4000 ; Page wise relocation
|
|
O65_RELOC_BYTE = $0000 ; Byte wise relocation
|
|
O65_RELOC_MASK = $4000 ; Mask to extract relocation type
|
|
|
|
O65_SIZE_32BIT = $2000 ; All size words are 32bit
|
|
O65_SIZE_16BIT = $0000 ; All size words are 16bit
|
|
O65_SIZE_MASK = $2000 ; Mask to extract size
|
|
|
|
O65_FTYPE_OBJ = $1000 ; Object file
|
|
O65_FTYPE_EXE = $0000 ; Executable file
|
|
O65_FTYPE_MASK = $1000 ; Mask to extract type
|
|
|
|
O65_ADDR_SIMPLE = $0800 ; Simple addressing
|
|
O65_ADDR_DEFAULT = $0000 ; Default addressing
|
|
O65_ADDR_MASK = $0800 ; Mask to extract addressing
|
|
|
|
O65_CHAIN = $0400 ; Chained file, another one follows
|
|
O65_CHAIN_MASK = $0400 ; Mask to extract chain flag
|
|
|
|
O65_BSSZERO = $0200 ; BSS segment must be zeroed
|
|
O65_BSSZERO_MASK = $0200 ; Mask to extract bss zero flag
|
|
|
|
; The following is used if O65_CPU == 6502
|
|
O65_CPU2_6502 = $0000 ; Executable is for 6502
|
|
O65_CPU2_65C02 = $0010 ; Executable is for 65C02
|
|
O65_CPU2_65SC02 = $0020 ; Executable is for 65SC02
|
|
O65_CPU2_65CE02 = $0030 ; Executable is for 65CE02
|
|
O65_CPU2_6502X = $0040 ; Executable is for NMOS 6502
|
|
O65_CPU2_65816_EMU = $0050 ; Executable is for 65816 in emul mode
|
|
O65_CPU2_MASK = $00F0 ; Mask to extract CPU2 field
|
|
|
|
O65_ALIGN_1 = $0000 ; Bytewise alignment
|
|
O65_ALIGN_2 = $0001 ; Align words
|
|
O65_ALIGN_4 = $0002 ; Align longwords
|
|
O65_ALIGN_256 = $0003 ; Align pages (256 bytes)
|
|
O65_ALIGN_MASK = $0003 ; Mask to extract alignment
|
|
|
|
; The mode word as generated by the ld65 linker
|
|
O65_MODE_CC65 = O65_CPU_6502 | O65_RELOC_BYTE | O65_SIZE_16BIT | O65_FTYPE_EXE | O65_ADDR_SIMPLE | O65_ALIGN_1
|
|
|
|
; Relocation type codes
|
|
O65_RTYPE_WORD = $80
|
|
O65_RTYPE_HIGH = $40
|
|
O65_RTYPE_LOW = $20
|
|
O65_RTYPE_SEGADDR = $C0
|
|
O65_RTYPE_SEG = $A0
|
|
O65_RTYPE_MASK = $E0
|
|
|
|
; Segment IDs
|
|
O65_SEGID_UNDEF = $00
|
|
O65_SEGID_ABS = $01
|
|
O65_SEGID_TEXT = $02
|
|
O65_SEGID_DATA = $03
|
|
O65_SEGID_BSS = $04
|
|
O65_SEGID_ZP = $05
|
|
O65_SEGID_MASK = $07
|
|
|
|
; Option tags
|
|
O65_OPT_FILENAME = 0
|
|
O65_OPT_OS = 1
|
|
O65_OPT_ASM = 2
|
|
O65_OPT_AUTHOR = 3
|
|
O65_OPT_TIMESTAMP = 4
|
|
|
|
; Operating system codes for O65_OPT_OS
|
|
O65_OS_OSA65 = 1
|
|
O65_OS_LUNIX = 2
|
|
O65_OS_CC65 = 3
|
|
O65_OS_OPENCBM = 4
|
|
|
|
; Load errors
|
|
O65_LOAD_OK = 0 ; Module load successful
|
|
O65_LOAD_ERR_READ = 1 ; Read error
|
|
O65_LOAD_ERR_HDR = 2 ; Header error
|
|
O65_LOAD_ERR_OS = 3 ; Wrong OS
|
|
O65_LOAD_ERR_FMT = 4 ; Data format error
|
|
O65_LOAD_ERR_MEM = 5 ; Not enough memory
|
|
|
|
|
|
|