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cc65/asminc/o65.inc
cuz 298767d71a Use structs
git-svn-id: svn://svn.cc65.org/cc65/trunk@2711 b7a2c559-68d2-44c3-8de9-860c34a00d81
2003-12-03 20:54:43 +00:00

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;*****************************************************************************/
;* */
;* o65.inc */
;* */
;* 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.
; 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_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_MODULE = 3
; 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