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+2011-12-05 Issue 53: add new command 'iftitle' for menu.(thanks @Steve6375).
+2011-11-17 (tinybit)supported utf8 and unicode char printing.
+2011-11-04 (tinybit)added new argument of max_width for putchar; various fixes.
+2011-10-29 (tinybit)add new command 'font' for vesa fonts.(Not yet complete).
+2011-10-22 (tinybit)bug fix on failed loading multi-boot kernel(issue 44).
+2011-10-20 (tinybit)increased SYSTEM_RESERVED_MEMORY upto 0x2000000(i.e., 32M).
+2011-10-19 (tinybit)merged console/graphics setcolor functions.
+2011-10-18 (tinybit)rearranged memory usage and preparing for vbe support. merged console/graphics setcolor functions.
+2011-10-03 (tinybit)changed buf_addr from 0x20000 to 0x100000 to avoid possible conflict between dd_func and get_diskinfo.
+2011-10-01 (tinybit)resolved conflicts between gfxmenu and configfile.
+2011-09-28 (chenall)fixed partition enumeration problem(important!)(disk_io.c).
+2011-09-16 (tinybit)disabled ELCR code for ASUS eee PC 1215B.
+2011-09-06 (tinybit)fixed pxe_detect to handle long bootfile name.
+2011-08-05 (tinybit)added a map option --e820cycles for Dell Laptop N4030.
+2011-07-27 (tinybit)fixed a careless mistake in clean_entry().
+2011-07-21 (tinybit)added a map option --int15nolow. Some changes on handler.
+2011-07-10 (tinybit)re-enabled int13/ah=16h floppy detection in int13_handler.
+2011-07-27 (tinybit)fixed a careless mistake in clean_entry().
+2011-07-21 (tinybit)added a map option --int15nolow. Some changes on handler.
+2011-07-10 (tinybit)re-enabled int13/ah=16h floppy detection in int13_handler.
+2011-06-28 (tinybit)fixed a careless mistake in probe_mbr(missing evaluation on C/H/S). fixed a bug in clean_entry() which return the address of a local variable.
+2011-06-27 (tinybit)added wee_skip_to as a replacement for skip_to.
+2011-06-22 (tinybit)better probe_mbr handling abnormal partition tables.
+2011-06-19 (karyonix)int15 fix. (tinybit)remove code to save handler room.
+2011-06-10 (tinybit)trust CHS in floppy BPB for GRUB.EXE to run under DOS.
+2011-06-09 (tinybit)trust CHS in floppy BPB for GRUB.EXE to boot via NTLDR.
+2011-06-04 (namiltd)added exFAT filesystem accessibility.
+2011-06-02 (tinybit)better handling loading grub.exe from NTLDR in floppy
+2011-05-31 (tinybit)fix chainloading grub.exe from Grub4DOS
+2011-05-31 (tinybit)make grub.exe loadable by NTLDR
+2011-05-24 (tinybit)make grub.exe chainloadable
+2011-05-19 applied Roy's patch(Issue 27: adding PC-DOS/MS-DOS chainloading support).
+2011-05-14 (tinybit)use HLT command in key detection
+2011-05-09 applied steve6375's patch( Issue 23: Improve grub4dos menu item numbering).
+2011-05-07 applied Roy's patch(Issue 25: Add chainloading DELL DRMK DELLBIO.BIN support).
+2011-05-06 applied Roy's patch(issue 24: Add ReactOS freeldr chainloading support).
+2011-04-29 (tinybit)exclude ntfs short filename.allow space in fb_filename.
+2011-03-22 fixed a bug on case sensitivity in filename completion. added a new parameter "case_insensitive" to print_a_completion().
+2011-03-19 fixed a bug on NTFS unicode filename handling. let unicode_to_utf8() return string length after convertion.
+2011-03-05 fixed a bug on "cdrom --add-io-ports=...".
+2011-03-04 setup a byte at offset 0x1F0 of GRUB.EXE to indicate number of
+ sectors used by the DOSSTART.S; change boot_drive to -1 so that
+ external programs can set it up before transfer control to grub4dos;
+ when grub.exe is loaded as a kernel, the default boot device of
+ grub.exe will be set to the current root device of current grub4dos.
+2011-02-20 prevent IO.SYS from wiping out int32-3F.
+2011-02-17 fixed a bug of "0xEA not properly restored" in realmode_run(asm.S).
+2011-02-16 fixed a bug on stack checking in realmode_run(asm.S).
+2011-02-16 changed real_to_prot(asm.S) and related calls according to WEE.
+2011-01-22 fixed "map (hd1) (0xFF)" issue of failed cdrom emulation.
+2011-01-18 set "APM BIOS call" as default halt method(see http://reboot.pro/13632/).
+2011-01-16 clear preset_menu before enter_cmdline. uncomment the required "default entry number" resolving code(stage2.c).
+2011-01-15 trying to fix ELF executable loading problem(issue 14). (confirmed by the reporter).
+2011-01-07 applied karyonix's patch (issue 9: fix geometry_tune function)
+2011-01-07 applied Roy's patch(supported packed DR-DOS).
+2010-12-29 applied Roy's patch(fixed build issue).
+2010-12-25 applied Roy's patch(issue 13: fix autoconf and gcc issues in Linux).
+2010-12-11 (r73)applied karyonix's patch(issue 11: Wrong data read USB)
+2010-11-30 (r69)applied karyonix's patch(support lzma decompression).
+2010-12-07 (r68)applied karyonix's patch(issue 9).
+2010-11-15 improved ACPI halt code(patched by zw2312914,Thanks for MR.rockrock99 and MR.xianglang reports their different and special hardware response mechanism ).
+2010-11-04 finally fixed the ACPI halt failure on AMI netbook(by commenting out ACPI-enable code).
+2010-11-03 partially go back to ACPI halt code of 2010-10-29.
+2010-11-02 deleted a duplicate code snip which could cause halt failure.
+2010-10-31 fixed the find issue. changed ACPI halt code(based on zw2312914).
+2010-10-29 improved ACPI halt code(patched by zw2312914).
+2010-10-22 fixed AMI netbook gray-screen-of-death problem on halt.
+2010-10-19 allow BSD primary partitions to be made active.
+2010-10-12 fixed grub.exe issues when booting off Linux/kexec. Only comments added compared to 2010-10-11.
+2010-10-11 try to fix grub.exe issues when booting off Linux/kexec(enabled system timer 0 init).
+2010-10-09 try to fix grub.exe issues when booting off Linux/kexec(enabled writing ELCR port 4D0/4D1).
+2010-10-08 try to fix grub.exe issues when booting off Linux/kexec(enabled coprocessor init by writing port F0/F1).
+2010-10-07 try to fix grub.exe issues when booting off Linux/kexec(disabled writing ELCR port 4D0/4D1).
+2010-10-04 improved halt with ACPI. try to fix grub.exe issues when booting off Linux/kexec(by sending 100 EOIs to PICs).
+2010-09-22 let chainloader recognize isolinux.bin 4.02.
+2010-09-19 added support for 800x600 graphics mode(SVGA mode 6A).
+2010-08-09 improved CHS probing code of map command on ISO9660 images.
+2010-08-04 finally find out the missing-extended-partition problem is caused by a gcc bug, and workarounds are created.
+2010-07-25 re-enabled the extended partition with logical partitions in disorder.
+2010-07-24 patch by chenall: cat --length=0 will return the size of the compressed file if it is gzipped; fix memory-not-enough problem when mapping a gzipped memory-file with a high compression ratio.
+2010-07-23 improved next_pc_slice() to cope with the partition-loop problem.
+2010-07-22 try to solve the problem of missing Linux extended partitions in Tab-completion.
+2010-07-21 improved next_pc_slice() to cope with the partition-loop problem.
+2010-07-20 changed code about pxe_basemem to solve the problem that pxe_unload fail to release memory.
+2010-07-12 fixed a bug in guess_dos_versions(for DOS executable grub.exe).
+2010-06-21 applied bean's patch(supported new (ud) device created with fbinst1.6).
+2010-06-09 applied karyonix's patch(fixes on grub_read and blocklist).
+2010-06-07 adjusted probe_int(dosstart.S) to deal with HP DV3-2309TX on its garbage int76 vector.
+2010-06-03 adjusted restore_BDA_EBDA(dosstart.S) to deal with HP on its garbage EBDA size byte.
+2010-05-31 unhook int13 before hooking it in load_initrd() to avoid duplicate hooking.
+2010-05-29 resolved conflict between drives_addr and mmap_addr for multiboot kernels.
+2010-05-27 adjusted probe_int(dosstart.S) to deal with DELL on its garbage int05 vector.
+2010-05-23 change /main.lst back to /menu.lst, and the original /menu.lst dir to /menu for pxe booting.
+2010-05-21 changed initial config filename from /menu.lst to /main.lst for pxe booting.
+2010-05-19 fixed problem of mapping small file(<512B) to (rd).
+2010-05-15 added --keep-pxe option for grub.exe running under DOS.
+2010-05-14 (chenall)fixed ntfs small file(<4KB) access problem.
+2010-05-13 added --off option for hiddenmenu. added nokeep subcommand for pxe. let halt return on failure.
+2010-05-03 hopefully non-linux kernels could get loaded now. version number changed to 0.4.5b.
+2010-03-14 fixed problems in set_bootdev and others.
+2010-03-13 fixed a (possible)bug in init_pic(affect grub.exe as a linux kernel format). applied Icecube's patch(curr_part_start).
+2010-01-22 applied karyonix's patch(PAE).
+2010-01-07 fixed problem of "command-line length limited to 15" on external executables.
+2010-01-03 applied karyonix's patch(PAE paging).
+2010-01-02 applied karyonix's patch(map improvements).
+2009-12-30 fixed the failed find. note that the kernel command could hang while loading non-linux kernels, which is a known bug on newish 0.4.5 versions.
+2009-12-28 initial implementation of program execution. fixed a bug causing FAT16 search hang(grldrstart.S). version number changed to 0.4.5a.
+2009-12-12 moved up 32-bit grub kernel code at above physical addess 3M. moved down buffer for dd and geometry-tune at 0x20000. moved down raw disk buffer at 0x30000. version number changed to 0.4.5.
+2009-12-02 (chenall)fixed a bug in color_func(builtins.c).
+2009-12-01 (chenall)fixed a bug which caused dd/write to write onto the wrong sector of the disk(fsys_ntfs.c).
+2009-11-29 (chenall)fixed a bug when using (md) to access memory at 2G and above(bios.c). improved memmove64 to support overlap(asm.S).
+
+2009-11-25 Caution! Reports say build 2009-11-08 and later will write wrong data onto disk when using dd and/or write commands.
+
+2009-11-13 (chenall)added --replace option for cat. This will write to file. Caution!
+2009-11-11 let PXE_BUF use BUFFERADDR. cancelled (hd+) support. added (hd) and (hd-N) support.
+2009-11-09 moved FSYS_BUF and some other buffers up at 0x3E0000. (chenall)added (hd+) support for map.
+2009-11-08 map memdrive images at memory address above 4GB(only for 64-bit CPU). deleted SETUP, INSTALL and EMBED commands.
+
+2009-10-16 Turned off int13/AX=4B01/DL=7F cdrom query which may hang on some machines. Commented out DMA code related to running via KEXEC. Implemented 64-bit int13 memdrive block moving code.
+2009-06-20(r68) add (ud) device to access space created with fbinst.
+2009-06-11 fixed a bug of missing assignment of ES and BX registers in int13_handler(asm.S).
+2009-05-13 fixed size-wrap-to-0 infinite loop issue in grub_read()(disk_io.c).
+2009-05-07(r67) resolved conflict between int10 stack and BIOS Data Area(grldrstart.S).
+2009-05-03 fixed a bug in geometry_tune(grldrstart.S, asm.S). zw2312914 report.
+2009-04-30 triple mbr without bpb also bootable as a floppy(grldrstart.S).
+2009-04-26 added ending CHS calculation for partition entry in mbr of the triple mbr(bootlace.inc).
+2009-04-25 bug fix in dd about device length calculation(builtins.c).
+2009-04-24 save and restore GDTR in int13_handler(asm.S).
+2009-04-06 accept partitions starting in the mbr track(probe_mbr, builtins.c).
+2009-04-05 triple mbr floppy partition (fdX,Y) support for some USB BIOSes(disk_io.c).
+2009-04-04 fixed partition table entries in the 2nd and 3rd mbr of the triple mbr(bootlace.inc).
+2009-03-31(r66) 0.4.4 official release.
+2009-03-28 removed the problematic global variable "i"; reduced one open-file step for configfile on cdrom.
+2009-03-27 fixed memory overlap issue on "map --rehook".
+2009-03-25 disabled the search for DEFAULT file on cdrom(in cmain, stage2.c).
+2009-03-24 fixed problem of WRITE/DD on modifying internal variables. added dd options for user-defined buffer.
+2009-03-21 bug fix: turned errorcheck on in run_script and enter_cmdline.
+2009-03-20(r65) fixed `configfile not working in menu init command group'.
+2009-03-19 trying to fix problem of `configfile running slowly'.
+2009-03-18 fixed problem of `geometry-tune too slow' on vmware.
+2009-03-17 fixed endless loop problem while running "configfile (md)4+8".
+2009-03-15 added new option --sync for geometry command.
+2009-03-14 added new option --tune for geometry command.
+2009-03-12 rearranged preset-menu items.
+2009-03-11 changed geometry-tune code(aim to solve problem on vmware).
+2009-03-07 fixed a bug(in grldrstart.S) brought in since 2009-02-05.
+2009-03-03 fixed memory overflow issue with (rd). canceled restrictions on some disk write commands.
+2009-02-26 fixed geometry-tune issue(reportedly with Virtual PC).
+2009-02-21 changes made according to Simon's hiddenmenu patches.
+2009-02-20 documented the command line needed for chainloading stage2 of grub legacy.
+2009-02-19 now a range of drives can be unmapped.
+2009-02-18 possibility to run another menu.lst after gfxmenu.
+2009-02-17 fix graphics display issue generated last time.
+2009-02-15 improved color command to set color for help text and heading line.
+2009-02-13 fix problems booting Linux when there are mappings.
+2009-02-11 added ext4 support(in fsys_ext2fs.c).
+2009-02-09 isolinux.bin(version 3.73) gets chainloaded again.
+2009-02-08 Move some variables to a known address. The read command returns value at addess.
+2009-02-03 New initrd syntax loading multiple cpio files for Linux 2.6 kernels.
+2009-01-30 Supported per-menu-item help text.
+2009-01-28 Fixed printf issue. Allowed non-block files to be written with dd and write.
+2009-01-24 New syntax of WRITE support writing string to file.
+2009-01-16(r64) Added gfxmenu support
+2009-01-09 New commands dd and uuid. fixed a bug in disk emulation.
+2008-12-30 Work around for BIOSes lacking INT15/E820 support.
+2008-12-29(r63) Now the preset menu holds the highest priority. MSYS/MinGW support.
+2008-12-24 Added "detect" sub-command for the "pxe" command.
+2008-12-21 Fixed several bootlace bugs when running under DOS.
+2008-12-20 bootlace is now able to create triple MBR.
+2008-12-19 fixed problem of Disk Read Error on the last track.
+2008-12-16 under DOS bootlace can use a parameter file for its command-line arguments.
+2008-12-12 added a new option --chs-no-tune for bootlace.com.
+2008-12-07 workaround for buggy no-emulation-mode cdrom BIOSes.
+2008-12-04 fixed ext3 inode size issue on bootlace. fixed partition table check issue on bootlace.
+2008-12-03 cut off the MENU_BUF. removed the TESTLOAD command. added TITLES array.
+2008-12-01 added new program badgrub.exe. changed syntax of the find command.
+2008-11-19(r62) enable interrupt when DELAY. avoid disabling CPU cache in a20_test(a20.inc).
+2008-11-18p added STIs to better respond hardware interrupt(a20.inc, asm.S).
+2008-11-18 changed DELAY code(a20.inc). added JMPs in unreal mode for RAM disk emulation(asm.S).
+2008-11-15 loosened the check of the first FAT entry(fsys_fat.c). avoid using OUT instruction in DELAY(a20.inc).
+2008-11-11(r61) added --ignore-cd option for the find command.
+2008-11-08 read the boot file to determin the pxe block size. avoid running pxe_detect for non-pxe booting.
+2008-11-02 added a new option --mbr-no-bpb for bootlace.com.
+2008-11-01 changed PXE_MIN_BLKSIZE and PXE_MAX_BLKSIZE. allowed FAT cluster size larger than 32K.
+2008-10-26 fixed pxe block size issue.
+2008-10-21 fixed cylinder issue in int13/ah=8. Fixed stack conflict in bootlace.
+2008-10-17 added command line options --serial-number=SN and --restore-mbr to bootlace.
+2008-10-12 fixed a bug in fsys_fat.c causing FAT32 mount failure.
+2008-10-03 cancelled unnecessary initialisations for the root device.
+2008-10-02 improved int15 probing in probe_int.
+2008-10-01 before booting GRLDR, give the user a chance to boot previous mbr.
+2008-09-30 fixed a big bug in set_bootdev causing extra rawread executed and the geometry messed up.
+2008-09-29 fixed a big bug in get_diskinfo causing duplicate geometry calculation for each IO request on floppy.
+2008-09-27 fixed a new bug intrduced recently in get_diskinfo.
+2008-09-25 fixed an issue of uninitialised current_term in boot.c, causing the failure of the kernel command in graphics mode.
+2008-09-24 fixed the issue of "$BITMAP should be non-resident when in attribute list" in fsys_ntfs.c.
+2008-09-23 fixed virtual cdrom sector read issue(64K at a time) for a non-mem mapping.
+2008-09-21 added a new command "tpm --init".
+2008-09-21 fixed memory conflicts between graphics mode and linux kernel.
+2008-09-20 fixed a serious problem in grldrstart causing boot failure on FAT.
+2008-09-19 fixed a new bug intrduced last in get_diskinfo.
+2008-09-15 fixed a problem when different action occurs on a drive between chs and lba.
+2008-09-13 fixed a problem of reentering int13 handler from a virtual device on a real cdrom device driven by the builtin cdrom driver.
+2008-09-12 fixed an issue of whole cdrom mapping.
+2008-09-09 fixed virtual cdrom sector read issue when it is not a mem-mapping.
+2008-09-07 title delimitors(or comments) can be used in menu now.
+2008-08-27 save stack space occupation by the int13_handler.
+2008-08-26 fixed a bug relevant to iso emulation, causing disk read error.
+2008-08-24 save stack space occupation by the int13_handler.
+2008-08-14 enlarged stage2 stack space.
+2008-08-13 fixed again the bug on the root command.
+2008-08-12 fixed int5 in probe_int.
+2008-08-10 added a new command checkrange; fixed a bug on the root command.
+2008-08-08 added builtin stack for int13_handler to avoid stack overflow.
+2008-08-06 fixed a suspicious problem on the SCRATCH buffer in get_diskinfo.
+2008-08-04 fixed again error handling problem about operator && and ||; added STIs to better respond hardware interrupt.
+2008-08-03 fixed error handling problem about operator && and ||; grldr.mbr structure change; other small alterations.
+2008-07-28 added STIs to better respond hardware interrupt or to feed watchdog.
+2008-07-10(r60) let KEY_UP(KEY_DOWN) loop to the last(first) menu entry.
+2008-07-06 added backup_int13 and restore_int13 for a buggy usb bios f24a ver 1.00parttbl on compaq v5235tu(reporter: uleak). turn a20 debug on for memdrives.
+2008-06-28 fixed ext3-inode-size issue in grldr boot sector and bootlace.inc.
+2008-06-26 fixed int4C-4F in probe_int for Lenovo A6900.
+2008-06-24 fixed "256-byte ext3 inode size" issue in fsys_ext2fs.c.
+2008-06-23 added command ls.
+2008-06-22 disabled safe_int13 code for a buggy usb bios f24a ver 1.00parttbl on compaq v5235tu(reporter: uleak).
+2008-06-21 add A20 debug code to help locate a20 failure.
+2008-06-18 A20 test begins. Update version number to 0.4.4.
+2008-06-12 Let HIDE and UNHIDE respond with a message.
+2008-06-10 Let ROOT show correct filesystem info.
+2008-06-07 Let MAKEACTIVE and GEOMETRY show active partitions.
+2008-06-01 commented out the terminal-switching code in run_menu.
+2008-05-31 changed asm.S to avoid clearing out bss for the configfile command.
+2008-05-27 initialize saved_videomode/font8x16 for working across configfile.
+2008-05-25 fixed int76 in probe_int for a Tongfang.
+2008-05-22 fixed an issue of CPU cache wrongly disabled in GRUB.EXE for long.
+2008-05-21 fixed an issue of stack-overflow in real_get_cmdline.
+2008-05-17 enable the geometry_tune code for test only.
+2008-05-14 fix int5 and int8 in probe_int.
+2008-05-06 adjustment on probe_int for "pxe keep".
+2008-05-03 fixed problem on the commands setup and install.
+2008-05-02(r59) add new command checktime.
+2008-05-01 fixes on int vector probing, A20 control, configfile, find, etc.
+2008-03-14(r58) commented out the geometry-tune code. other fixes.
+2008-01-01(r57): mini build support
+2007-12-25(r56): created the test branch
+2007-12-25(r55) removed commands uppermem, ioprobe, impsprobe and displayapm.
+2007-12-14 test 3 of the geometry-tune.
+2007-12-10 cleanups on chainloader and errorcheck.
+2007-12-05 fixed a bug in ntfs file system module.
+2007-12-04 fixes on gzipped (rd) image support.
+2007-12-02 int13 emulation workaround for buggy BIOSes('Disk read error').
+2007-11-23 implemented cdrom emulation.
+2007-10-15(r54) version 0.4.3
+2007-10-08 implemented chainloading isolinux.
+2007-10-04 changed drive number of (md) to 0xffff.
+2007-10-02 reduced output messages for "debug off".
+2007-09-27 added a new map option of --a20-keep-on.
+2007-09-26 a workaround for buggy USB floppy BIOSes(hang at INT13/AH=48h).
+2007-08-27(r53) new notation () standing for the current root device.
+2007-08-26 new feature of root prefix for support of relative path.
+2007-08-25 fixed one more possible issue on A20.
+2007-08-24 fixed another possible issue on A20 for memdrives.
+2007-08-23 fixed a possible issue on A20 for memdrives.
+2007-08-21 expand memdrive size according to the probed CHS.
+2007-08-17 test A20 control for memory mapped disks.
+
+ Updated code for hmload.
+ Fixed a major problem of endless loop on enumeration of partitions.
+ Fixed an issue in probe_mbr.
+ Fixed a bug on compressed NTFS volume.
+ Fixed a problem in probe_int by capturing int10.
+
+2007-07-25 version 0.4.3pre2
+
+ Added a new command OUTLINE, and a new option --duce for GRUB.EXE.
+ Changed PARTNEW syntax. Fixed a problem of OPEN_PARTITION.
+ The arguments of PARTTYPE have changed to be optional.
+
+ A Fault-Recovery-Handler was imposed on probe_int to fight against
+ some very serious BIOS bugs(reportedly of DELL machines).
+
+ The DEBUG command syntax was changed for verbosity control.
+
+2007-06-22 version 0.4.3pre1
+
+ Fixed two problems on GRUB.EXE: preset_menu and FreeDOS related.
+ Added a new command `hiddenflag'; Added BPB in GRLDR.MBR; Ignored the
+ partition-ID check in filesystem modules; other fixes.
+
+ PXE and NTFS fixes.
+ Fixed a bug in probe_int for GRUB.EXE running in VM86 mode.
+ Rewrite fsys_ntfs.c
+ Fixed probe_int and init_pic in GRUB.EXE. Reduced warnings in bios.c.
+ Added PXE support.
+ NTFS code update for bootlace. Fixed timing functions.
+ fix a bug in get_diskinfo; protect the MBR of an in-situ-mapped drive.
+ Insert-key to debug on startup; polish graphics. NTFS boot record fix.
+ Bugfixes on STAGE2_SIZE, arrow keys, and handling `&&'/`||' in menu.
+ Move preset menu to the end/tail of pre_stage2.
+ Numeric keys to select menu entry; fixed a bug of int13 harddrives.
+ Code clean-ups on build script and keycode translation.
+ F11/F12 hotkey handling.
+ Added builtin NTFS boot sectors into GRLDR.
+ Added 3 commands is64bit, errnum and errorcheck.
+ Applied Robert Millan's patch of check_64bit.
+ Implemented two syntactic operators `&&' and `||'.
+ Added a new option --in-situ for the map command.
+
+ Fixed an auto-probe-int problem of GRUB.EXE under "EMM386 noems".
+
+ Workaround for buggy VirtualPC on a issue of floppy-emulation-mode
+ bootable CDROM.
+
+2006-12-28 version 0.4.2
+
+ Fixed a bug hidden deeply in memcheck.
+ Fixed a bug hidden deeply in get_diskinfo.
+ Fixed a bug in load_image.
+ GRLDR(as a no-emulation-mode bootable CDROM image) was adapted to
+ cope with some buggy BIOSes(e.g., VirtualPC).
+ Added LBA-to-CHS geometry translation(in int13_handler) to simulate
+ LBA(EBIOS)-enabled drives on CHS-only drives.
+ Added a new feature of Unconditional Command-line Entrance.
+ Applied Beverly Brown's patch to load_initrd.
+ Added two new options to the map command to better serve Win9x.
+ The default config file search path for GRUB.EXE was changed to
+ (DOS file) .\menu.lst and then (DOS file) \menu.lst and then
+ (GRUB file) /menu.lst.
+ Other bug fixes.
+
+2006-10-24 version 0.4.2pre11
+
+ Made a workaround for buggy USB-bootable board QDI 848E.
+ Made a workaround for buggy 965 board with SATA CDROM connected.
+
+2006-10-07 version 0.4.2pre10
+
+ Fixed a problem in GRUB shell which causes failure in grub-install.
+ Enabled GRUB.EXE to run under FreeDOS with memdrives in use.
+ Implemented an auto-probe mechanism to support all kinds of DOSes.
+
+2006-09-19 version 0.4.2pre9
+
+ Resolved several problems:
+ 1. (about kexec)Dropped the problematic kexec-tools-1.101-patch.
+ 2. (about stack)Adjusted code in C files to use less stack.
+ 3. (about cdrom)Fixed a few bugs in the cdrom driver.
+
+2006-08-29 version 0.4.2pre8
+
+ Added a new command `setvbe'.
+ Dropped the obsolete EZ-BIOS(with signature `AERMH') support.
+ Fixed a bug in parsing Rock-Ridge extension.
+ No-emulation-mode Bootable CD can be chainloaded now.
+ Some work was done to improve remote/diskless boot.
+ Fixed one more USB/Floppy EBIOS problem(in get_diskinfo).
+ Merged protected mode stack into real mode stack at 0x2000.
+ Code clean-up.
+
+2006-07-31 version 0.4.2pre7
+
+ Imported ATAPI CDROM driver from Smart Boot Manager.
+
+ Dropped the previous implementation of SCDROM/BIOSCDROM.
+
+ Fixed a USB/Floppy EBIOS problem that could cause media access failure
+ or even hang the machine when using USB storage devices.
+
+ Fixed a bug in BOOTLACE.COM that had improperly set the LBA indicator
+ byte(which is at offset 0x02 of the boot sector).
+
+ Fixed a bug in GRLDR that caused failure in finding the associated
+ MENU.LST config-file(which should be in the same directory as GRLDR).
+
+2006-06-18 version 0.4.2pre6
+
+ Dropped the obsolete EZD disk map support.
+ Fixed several bugs that may hang or slow the qemu virtual machine.
+ Fixed a bug that causes the pause command not to respond any key-press.
+ Fixed a bug that causes a command to accidentally fail if in a menu.
+ Fixed a bug that causes the menu not to work once a cdrom had booted.
+
+2006-06-05 version 0.4.2pre5
+
+ Added a static-linked binary executable file GRUB(a Linux utility).
+
+ Fixed a gateA20 problem related to memdrive emulation.
+
+ Boot GRUB.EXE directly off Windows9x/Me(experimental; might hang).
+
+2006-04-03 version 0.4.2pre4
+
+ Made GRUB.EXE run under EMM386.
+ Fixed a bug in splashimage_func().
+ Made `ignore error' constant and removed the `--ignore-error' option,
+ and renamed the option `--seconds=T' to `--wait=T' for savedefault.
+ The sample menu.lst was modified accordingly.
+
+2006-03-28 version 0.4.2pre3
+
+ New syntax for the `default' and `savedefault' commands was
+ implemented.
+
+ Changed `int' to `unsigned long' for filemax, filepos and fsmax, and
+ modified all fsys_*.c files in order to open large files(2GB or
+ longer).
+
+2006-03-09 version 0.4.2pre2
+
+ The directory `boot/grub/' was removed from the release tree(GRUB4DOS
+ does not use the stage files at boot time). The default config file for
+ GRUB.EXE was changed to (hd0,0)/menu.lst(but preset_menu still locates
+ (hd0,0)/boot/grub/menu.lst when (hd0,0)/menu.lst does not exist).
+
+ Added DOS command-line options --bypass, --time-out=T and --hot-key=K
+ for GRUB.EXE.
+
+2006-02-24 version 0.4.2pre1
+ gcc-4 support by VirusCamp.
+
+ Limited support for returning to DOS from GRUB.EXE.
+
+ Implemented a new feature that GRUB.EXE can be used as a DOS device
+ driver and be started in CONFIG.SYS with a DEVICE line.
+
+ Better IODELAY was made for initialization of PIC to fix the
+ keyboard-not-responding problem when running through KEXEC.
+
+ Better A20 gate control was made to help fix various problems on the
+ boot of grub.
+
+2005-12-14 version 0.4.1
+ Fixed a partition enumeration bug(in disk_io.c). Fixed a bug of mapping
+ partitions to harddrives(in builtins.c). Fixed a bug that causes
+ failure when `find --set-root' on a CD-ROM device(in builtins.c). Added
+ a new feature of directly chainloading ntldr and some dos kernels.
+
+2005-11-14 version 0.4.1pre32
+ Fixed more bugs.
+
+2005-11-02 version 0.4.1pre31
+ A few bugs were fixed.
+
+2005-10-23 version 0.4.1pre30
+ A bug about "bootlace.com --floppy" was fixed.
+
+2005-10-18 version 0.4.1pre29
+ Added ram disk device (rd) to access, typically, the initrd image.
+ Added many new command-line options for bootlace.com to install GRLDR
+ boot record onto the boot sector of a floppy. A few bugs about
+ "map --mem" were fixed. Another bug about finding grldr in NTFS was
+ also fixed. It may cause the machine to hang up when there is no ntfs
+ boot record in the boot area of the NTFS partition.
+
+2005-09-25 version 0.4.1pre28
+ Commandline option --config-file="FILENAME_OR_RAW_COMMANDS" was added
+ for GRUB.EXE where GRUB.EXE is treated as a Linux kernel.
+ Fixed a bug which causes installation failure when BOOTLACE.COM is
+ used for large disks.
+
+2005-09-21 version 0.4.1pre27
+ Added a patch to the kexec-tools-1.101. Kexec might fail to load
+ grub.exe without this patch.
+
+2005-09-14 version 0.4.1pre26
+ Fixed a bug for the DOS part of BOOTLACE.COM
+
+2005-09-11 version 0.4.1pre25
+ GRUB4LIN has merged into GRUB.EXE; A new command-line option
+ --read-only was added for BOOTLACE.COM; A few bug fixes.
+
+2005-09-01 version 0.4.1pre24
+ BOOTLACE.COM runs under both DOS and Linux.
+
+2005-08-27 version 0.4.1pre23
+ Added a utility BOOTLACE.COM for installing grldr bootstrap code to MBR
+
+2005-07-30 version 0.4.1pre22
+ Added bootstrap file GRLDR.MBR for launching grldr from MBR.
+
+2005-07-24 version 0.4.1pre21
+ Added Windows NT 4.0 support(actually fixed a bug reported by Stefan
+ Baur). For other new features, see README.txt.
+
+2005-07-20 version 0.4.1pre20
+ Added ext2/ext3 boot record code for loading grldr from the beginning
+ sector of a floppy or a partition.
+
+2005-05-25 version 0.4.1pre5
+ GRUB commands can be embedded into the command line of GRUB.EXE
+
+2005-05-20 version 0.4.1pre4
+ Bug fixes: When the system has no floppies, some operations,
+ e.g., the find command, will hang the machine.
+
+2005-05-17 version 0.4.1pre3
+ Search for cdrom_drive from drive 0x88 to drive 0xff
+
+2005-05-11 version 0.4.1pre2
+ Our base is now upgraded to GNU GRUB 0.97.
+
+2005-04-25 version 0.4.1pre
+ Fixed a bug reported by Gilles van Ruymbeke
+ <gvr_no_spam_123@ruymbeke.com> <gvr_grub4dos123@ruymbeke.ch>:
+
+ The map_func improperly opened the emulation image for 3 times, that
+ might slow down the load speed heavily, especially for gzipped files.
+
+2005-04-15 version 0.4.0
+ Add /boot/grub/menu.lst in preset menu. This is final.
+
+2005-04-07 version 0.4.0pre7
+ config_file takes precedence over preset_menu.
+
+2005-04-06 version 0.4.0pre6
+ GRLDR can be used with no-emulation-mode bootable CD-ROM.
+
+2005-03-09 version 0.4.0pre4
+ Now preset menu find /menu.lst, no longer support /boot/grub/menu.lst
+
+ Partition images can emulate a partition (hd?,0) with --mem option.
+
+2005-03-02 version 0.4.0pre3
+ GRLDR startup code search all partitions in all harddrives for GRLDR.
+
+ chainloader can boot images larger than 512 bytes, and can load image
+ to a different location than 0000:7C00.
+
+2005-02-06 version 0.4.0pre
+ Switched to GNU GRUB 0.96
+ The --mem option of MAP command was added for memdrive emulation.
+
+ Also announced 0.2.0 final.
+
+2004-10-23 version 0.2.0pre13
+ GRUB.EXE runs in DOSBOX.
+ GRUB4LIN is introduced to boot off LINUX.
+ Fixed a bug reported by windrv: NTFS check contiguity failure
+ Rearranged the patches.
+
+2004-08-31 version 0.2.0pre12
+ Fixed a bug reported by szwp: cannot load GRLDR on partition that is
+ not CHS-accessible.
+
+ Fixed a bug reported by windrv: take too much time to check contiguity
+
+2004-08-15 version 0.2.0pre11
+ Mark the scdrom module as experimental.
+
+2004-07-13 version 0.2.0pre9
+ Merged GNU GRUB 0.95
+
+ BOOTGRUB removed. Use BOOT.INI line C:\GRLDR="Start GRUB" instead.
+
+ Patches from Gandalf: NTFS and ATAPI CDROM support(also thanks to
+ Tobias Svensson <tobiassvensson@home.se>)
+
+ Patches from Chris Semler <csemler@mail.com>: findroot
+
+2004-04-12 version 0.2.0pre6
+ Now GRUB.EXE can be used in CONFIG.SYS this way:
+
+ shell=C:\some\where\grub.exe --config-file=(hd0,0)/boot/grub/menu.lst
+
+ or
+
+ shell=C:\some\where\grub.exe
+
+ No other changes.
+
+2004-04-09 version 0.2.0pre5
+ Now BOOTGRUB contains 4 sectors, i.e., 2048 bytes. Optionally, you may
+ copy the 2nd, 3rd and 4th sectors of BOOTGRUB to the three sectors that
+ immediately follow the MBR. Also Optionally, you may copy 446 bytes
+ from the very beginning of BOOTGRUB to the very beginning of MBR. In
+ this way, the GRLDR can be started out of MBR, without the presence of
+ NTLDR.
+
+ CAUTION: Don't copy 512 bytes to MBR. The partition table should not
+ be overwritten. The partition table is in the end of MBR. If you make
+ a mistake, you will lose your whole system!!
+
+2004-02-18 version 0.2.0pre4
+ Arbitrary-size floppy and hard disk emulation finally implemented.
+ GRUB for NTLDR is included. See README file.
+ Splash image version is available in the SPLASH directory.
+
+2003-09-23 version 0.1.4 -- development unstable release
+ Unfortunately 0.1.3 has an ugly bug. Fixed.
+
+2003-09-01 version 0.1.3 -- development unstable release
+ Rewrite the code for guessing FreeDOS int vectors. Hopefully it works
+ for all the future versions of FreeDOS :-)
+
+2003-08-25 version 0.1.2 -- development unstable release
+ Fixed a small bug that affects the read of the emulated floppy sectors.
+
+ Added some files (including the menu.lst file) for installing GRUB to
+ MBR from DOS. Usage:
+
+ Copy the boot directory to C:\ ; You must do this on Windows, NOT dos,
+ because DOS cannot deal with the long filenames.
+
+ Run grub to access the menu.lst file in C:\boot\grub ; Of cause on DOS.
+
+ When menu occurs, select a proper menu item for installing GRUB to MBR.
+
+ If the menu does not appear, you should get the "grub>" prompt. At the
+ prompt, type the following commands:
+
+ grub> configfile (hd0,1)/boot/grub/menu.lst
+ grub> configfile (hd0,2)/boot/grub/menu.lst
+ grub> configfile (hd0,3)/boot/grub/menu.lst
+
+ Then, the menu should occur.
+
+2003-06-29 version 0.1.0.1 -- development unstable release
+ Do some cleanups on 0.1.0, no important changes.
+ BTW, it seems that the 0.1.0 is quite stable :-)
+
+2003-06-29 version 0.0.8
+ Restore mapped int13 to the unmapped state while grub is invoked
+ after a previously performed drive map operation.
+
+2003-05-29 version 0.1.0 -- development unstable release
+ Floppy 1.44M drive emulation are OK. GOOD!!!! Usage:
+
+ # boot Windows 98 SE
+ map (hd1,0)/dos98se.img (fd0)
+ chainloader (hd1,0)/dos98se.img
+ rootnoverify (fd0)
+ boot
+
+ Another example:
+
+ # boot Mandrake hard disk installer
+ map (hd0,0)/hd.img (fd0)
+ chainloader (hd0,0)/hd.img
+ rootnoverify (fd0)
+ boot
+
+ Note that the floppy image file must size 1440KB, i.e., 1474560 bytes.
+ _AND_ also, the file must consist of one contiguous disk area, no
+ holes, no fragments. Use GRUB's blocklist command to determine whether
+ or not an image file is contiguous. It is known that a 1440KB-file is
+ always non-contiguous if it resides in an ext2 filesystem. But you may
+ get a 1440KB contiguous file with an FAT32 partition(vfat filesystem).
+
+ Floppy(and hard disk) with arbitrary sizes will be emulated in the
+ future.
+
+2003-05-06 version 0.0.7
+
+ Fixed a huge bug!! Read the following carefully!
+
+ Using the drive map command(just as many distributions currently do)
+
+ map TO_DRIVE FROM_DRIVE
+
+ to boot your system could seriously _damage_ your hard disk data,
+
+ totally and thoroughly!! This bug has just been fixed in 0.0.7 :-)
+
+ This bug is not specific to grub_for_dos, but caused by the original
+
+ grub-0.93 release. So do _NOT_ use map command any more until my fix is
+
+ accepted by GRUB maintainers or a similar fix is made by other
+
+ people. For now, do _NOT_ use map command in any kind of Linux
+
+ distributions such as Red Hat or Mandrake or any others.
+
+ Because GRUB_FOR_DOS-0.0.7 already applied the fix, so it
+
+ should be safe to use the map command.
+
+ Another small bug was also fixed in grub_for_dos-0.0.7 :-)
+
+2003-04-29 version 0.0.6
+ Runs also on MS-DOS 3.30. No other changes.
+
+2003-04-26 version 0.0.5
+ Runs on MS-DOS 4.0, 5.0, 6.0, 6.20, 6.21, 6.22, 7.0, 7.10, 8.0 and
+ FreeDOS(build 2029). GOOD!!
+
+2003-04-20 version 0.0.4
+ Running on FreeDOS(build 2029), GOOD!! (But currently GRUB.EXE only
+ has limited FreeDOS support, maybe unstable.)
+
+ Add a "Guess DOS Version" feature. The program now exit to DOS when
+ guess failed. The previous versions of GRUB.EXE always hang when
+ running on an unsupported DOS version.
+
+2003-04-13 version 0.0.3
+ The option "--config-file=FILE" was added.
+
+2003-04-11 version 0.0.2
+ Also runs on MS-DOS 8.0 (i.e., the DOS with WinMe/2000/XP), GOOD!!
+ The GRUB.PIF file included, so GRUB.EXE can be started from Windows 9x
+
+2003-04-10 version 0.0.1
+ Runs on MS-DOS 7.10(Win98)