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Added Apple BSAVE file parser
* added object file parsing into assembled files * updated docs
This commit is contained in:
Rob McMullen
parent
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commit
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76
README.rst
76
README.rst
@ -7,6 +7,11 @@ images.
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Prerequisites
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-------------
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``atrcopy`` 4.0 introduces a new command line argument structure based on
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subcommands, much like ``git`` uses ``git pull``, ``git clone``, ``git
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branch``, etc. Upgrading to 4.0 will require modification of scripts that use
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``atrcopy`` 3.x-style command line arguments.
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Starting with ``atrcopy`` 2.0, `numpy <http://www.numpy.org/>`_ is required. It
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will be automatically installed when installing ``atrcopy`` with::
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@ -118,7 +123,8 @@ abbreviated as shown here::
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happened
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Help for available options for each command is available using::
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Help for available options for each command is available without specifying a
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disk image, using a command line like::
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atrcopy COMMAND --help
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@ -178,9 +184,10 @@ Extract all files::
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extracting File #4 (.2.u.*) 162 COPY32 COM 056 -> COPY32.COM
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extracting File #5 (.2.u.*) 218 DISKFIX COM 057 -> DISKFIX.COM
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Extract all, renaming to lower case on the host file system::
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Extract all, using the abbreviated commandn and renaming to lower case on the
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host file system::
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$ atrcopy DOS_25.ATR extract --all -l
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$ atrcopy DOS_25.ATR x --all -l
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DOS_25.ATR: ATR Disk Image (size=133120 (1040x128b), crc=0 flags=0 unused=0) Atari DOS Format: 1010 usable sectors (739 free), 6 files
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extracting File #0 (.2.u.*) 004 DOS SYS 037 -> dos.sys
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extracting File #1 (.2.u.*) 041 DUP SYS 042 -> dup.sys
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@ -242,31 +249,6 @@ The simple assembler included in ``atrcopy`` can create binary programs by
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connecting binary data together in a single file and specifying a start address
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so it can be executed by the system's binary run command.
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The following command links together a hires image loaded at 2000 hex (the
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first hires screen) and code at 6000 hex (that was assembled using an external
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program, in this case the assembler from the cc65 project) and sets a start
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address of 6000 hex. (Note that all the addresses are implicitly hex values.)
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Because the Apple ][ binary format is limited to a single contiguous block of
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data with a start address of the first byte of data loaded, ``atrcopy`` will fill
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the gaps between any segments that aren't contiguous with zeros. If the start
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address is not the first byte of the first specified segment, a mini-segment
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will be included at the beginning that jumps to the specified ``brun`` address
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(shown here as the segment from 1ffd - 2000). Note the gap between 4000 and
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6000 hex will be filled with zeros::
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$ atrcopy game.dsk create dos33autobrun
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using dos33autobrun template: Apple ][ DOS 3.3 (140K) standard RWTS, HGR, BRUN a file named AUTOBRUN
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created game.dsk: DOS 3.3 Disk Image (size=143360 (560x256b)
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File #0 ( A) 002 HELLO 003 001
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$ atrcopy game.dsk asm -b title.bin@2000 game[4:]@6000 --brun 6000 -f -o AUTOBRUN
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game.dsk: DOS 3.3 Disk Image (size=143360 (560x256b)
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setting data for $1ffd - $2000 at index $0004
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setting data for $2000 - $4000 at index $0007
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setting data for $6000 - $6ef3 at index $4007
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total file size: $4efa (20218) bytes
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copying AUTOBRUN to game.dsk
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It is also possible to assemble text files that use the MAC/65 syntax, because
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support for `pyatasm <https://pypi.python.org/pypi/pyatasm>`_ is built-in (but
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optional). MAC/65 is a macro assembler originally designed for the Atari 8-bit
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@ -274,6 +256,44 @@ machines but since it produces 6502 code it can be used to compile for any
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machine that uses the 6502: Apple, Commodore, etc.
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Creating DOS 3.3 Binaries
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~~~~~~~~~~~~~~~~~~~~~~~~~
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For this example, the goal is to produce a single binary file that combines a
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hi-res image ``title.bin`` loaded at 2000 hex (the first hi-res screen) and
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code at 6000 hex from the binary file ``game``, with a start address of 6000
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hex.
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The binary file ``game`` was assembled using the assembler from the
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`cc65<https://github.com/cc65/cc65>`_ project, using the command::
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cl65 -t apple2 --cpu 6502 --start-addr 0x6000 -o game game.s
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Because the Apple ][ binary format is limited to a single contiguous block of
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data with a start address of the first byte of data loaded, ``atrcopy`` will
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fill the gaps between any segments that aren't contiguous with zeros. If the
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start address is not the first byte of the first specified segment, a small
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segment will be included at the beginning that jumps to the specified ``brun``
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address (shown here as the segment from 1ffd - 2000). Note the gap between 4000
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and 6000 hex will be filled with zeros::
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$ atrcopy game.dsk create dos33autobrun
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using dos33autobrun template:
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Apple ][ DOS 3.3 (140K) disk image for binary program development: HELLO sets
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fullscreen HGR and calls BRUN on user-supplied AUTOBRUN binary file
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created game.dsk: DOS 3.3 Disk Image (size=143360 (560x256b)
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File #0 ( A) 002 HELLO 003 001
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$ atrcopy game.dsk asm -d title.bin@2000 -b game --brun 6000 -f -o AUTOBRUN
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game.dsk: DOS 3.3 Disk Image (size=143360 (560x256b)
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adding BSAVE data $6000-$6ef3 ($0ef3 @ $0004) from game
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setting data for $1ffd - $2000 at index $0004
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setting data for $2000 - $4000 at index $0007
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setting data for $6000 - $6ef3 at index $4007
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total file size: $4efa (20218) bytes
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copying AUTOBRUN to game.dsk
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Example on Mac OS X
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-------------------
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@ -175,7 +175,7 @@ def crc_files(image, files):
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print("%s: %08x" % (dirent.filename, crc))
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def assemble(image, source_files, data_files, run_addr=""):
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def assemble(image, source_files, data_files, obj_files, run_addr=""):
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if source_files:
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try:
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import pyatasm
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@ -218,6 +218,13 @@ def assemble(image, source_files, data_files, run_addr=""):
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data = fh.read()[subset]
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s = segments.add_segment(data, first)
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log.debug("read data for %s" % s.name)
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for name in obj_files:
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parser = find_diskimage(name)
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if parser and parser.image:
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for s in parser.segments:
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if s.start_addr > 0:
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print "adding %s from %s" % (s, name)
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segments.add_segment(s.data, s.start_addr)
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if options.verbose:
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for s in segments:
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print "%s - %04x)" % (str(s)[:-1], s.start_addr + len(s))
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@ -418,7 +425,8 @@ def run():
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assembly_parser = subparsers.add_parser(command, help="Create a new binary file in the disk image", aliases=command_aliases[command])
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assembly_parser.add_argument("-f", "--force", action="store_true", default=False, help="allow file overwrites in the disk image")
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assembly_parser.add_argument("-s", "--asm", nargs="*", action="append", help="source file(s) to assemble using pyatasm")
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assembly_parser.add_argument("-d","-b", "--data", nargs="*", action="append", help="binary data file(s) to add to assembly, specify as file@addr. Only a portion of the file may be included; specify the subset using standard python slice notation: file[subset]@addr")
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assembly_parser.add_argument("-d","--data", nargs="*", action="append", help="binary data file(s) to add to assembly, specify as file@addr. Only a portion of the file may be included; specify the subset using standard python slice notation: file[subset]@addr")
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assembly_parser.add_argument("-b", "--obj", "--bload", nargs="*", action="append", help="binary file(s) to add to assembly, either executables or labeled memory dumps (e.g. BSAVE on Apple ][), parsing each file's binary segments to add to the resulting disk image at the load address for each segment")
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assembly_parser.add_argument("-r", "--run-addr", "--brun", action="store", default="", help="run address of binary file if not the first byte of the first segment")
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assembly_parser.add_argument("-o", "--output", action="store", default="", required=True, help="output file name in disk image")
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@ -522,7 +530,8 @@ def run():
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elif command == "assemble":
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asm = options.asm[0] if options.asm else []
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data = options.data[0] if options.data else []
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assemble(parser.image, asm, data, options.run_addr)
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obj = options.obj[0] if options.obj else []
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assemble(parser.image, asm, data, obj, options.run_addr)
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elif command == "segments":
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print "\n".join([str(a) for a in parser.segments])
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else:
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@ -625,6 +625,48 @@ class Dos33DiskImage(DiskImageBase):
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return image, 'B'
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class Dos33BinFile(object):
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"""Parse a binary chunk into segments according to the DOS 3.3 binary
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dump format
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"""
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def __init__(self, rawdata):
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self.rawdata = rawdata
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self.size = len(rawdata)
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self.segments = []
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self.files = []
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def __str__(self):
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return "\n".join(str(s) for s in self.segments) + "\n"
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def strict_check(self):
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pass
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def relaxed_check(self):
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pass
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def parse_segments(self):
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r = self.rawdata
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b = r.get_data()
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s = r.get_style()
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pos = 0
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style_pos = 0
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first = True
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log.debug("Initial parsing: size=%d" % self.size)
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if len(b[pos:pos + 4]) == 4:
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start, count = b[pos:pos + 4].view(dtype='<u2')
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s[pos:pos + 4] = get_style_bits(data=True)
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data = b[pos + 4:pos + 4 + count]
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if len(data) == count:
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name = "BSAVE data" % start
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else:
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name = "Incomplete data: expected %04x, loaded %04x" % (count, len(data))
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self.segments.append(ObjSegment(r[pos + 4:pos + 4 + count], pos, pos + 4, start, start + len(data), name))
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else:
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self.segments.append(ObjSegment(r[pos:pos + 4], 0, 0, 0, len(b[pos:pos + 4]), "Short Segment Header"))
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class ProdosHeader(Dos33Header):
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file_format = "ProDOS"
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@ -6,7 +6,7 @@ from ataridos import AtariDosDiskImage, BootDiskImage, AtariDosFile, XexContaine
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from spartados import SpartaDosDiskImage
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from cartridge import AtariCartImage, get_known_carts
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from mame import MameZipImage
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from dos33 import Dos33DiskImage, ProdosDiskImage
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from dos33 import Dos33DiskImage, ProdosDiskImage, Dos33BinFile
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from errors import *
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import logging
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@ -130,6 +130,11 @@ class Dos33SegmentParser(SegmentParser):
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image_type = Dos33DiskImage
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class Dos33BinSegmentParser(SegmentParser):
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menu_name = "BIN (Apple ][ executable)"
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image_type = Dos33BinFile
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class ProdosSegmentParser(SegmentParser):
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menu_name = "ProDOS Disk Image"
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image_type = ProdosDiskImage
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@ -187,6 +192,9 @@ mime_parsers = {
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Dos33SegmentParser,
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ProdosSegmentParser,
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],
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"application/vnd.apple2.bin": [
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Dos33BinSegmentParser,
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],
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}
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mime_parse_order = [
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@ -196,6 +204,7 @@ mime_parse_order = [
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"application/vnd.atari8bit.5200_cart",
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"application/vnd.mame_rom",
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"application/vnd.apple2.dsk",
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"application/vnd.apple2.bin",
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]
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pretty_mime = {
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@ -205,6 +214,7 @@ pretty_mime = {
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"application/vnd.atari8bit.5200_cart":"Atari 5200 Cartridge",
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"application/vnd.mame_rom": "MAME",
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"application/vnd.apple2.dsk": "Apple ][ Disk Image",
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"application/vnd.apple2.bin": "Apple ][ Binary",
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}
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grouped_carts = get_known_carts()
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