news.txt

如何编写自己的图形开发包 利用tc2.0在DOS下编写一个功能完整的图形开发包。并有详细浅显的文章耐心逐步讲解。

  - Fixed commandline parsing when .bat files involved (fixes -exit)
  - Fixed issues with tabs in commandline not being processed correctly.
  - Cleaned/improved shutdown sequence.
  - Added some more bios functions (wait and delay functions).
  - Made our XMS driver conform the specs better. (c2woody)
  - Added support for some more ems functions.
  - Added intelligent mpu401 emulation. (Srecko)
  - Added soundblaster 16 emulation.
  - Rewrote GUS emulation to sound more authentic.
  - Improved pc speaker emulation.
  - Added an internal (programmable) mixer.
  - Added support a few soundblaster/adlib detection routines.
  - Fixed lot's of bugs related to DMA transfers.
  - Added interpolating prebuffering mixer routines.
  - Added recording of OPL commands and raw midi.
  - Fixed some bugs with the wave recording.
  - Changed sensitivity settings of the mouse.
  - Added ps2 mouse-emulation in bios interrupts (c2woody).
  - Fixed some bugs with mouse emulation limits.
  - Fixed a bug with an unterminated string in the drivelabel.
  - Changed file search routines a bit to be more compatible.
  - Added support for attribute-searching with fcb's.
  - Added basic SDA.
  - Added TPA and DIB.
  - Added Lot's of missing dos tables (c2woody).
  - Changed psp and dta functions to use dta.
  - Returned filename in ds:dx in create-random-file (c2woody).
  - Fixed a bug with date and time used on open files.
  - Some mscdex fixes.
  - Added the -version switch, which makes dosbox report its version.
  - Added a keymapper.
  - Added basic IPX emulation.
  - Added cdrom iso support and floppy images support.
  - Added the possibity to boot another dos version.
  - Added Serial passthrough support (win32 only).
  - Added the possibility to pause dosbox.
  - Changed OpenGL so that it is initialized only when used.
  - Make dosbox run at higher priority when active and lower when inactive.
  - Added direct draw output support (win32 only).
  - Added current running program to title bar.
  - Rewrote video emulation to support new scalers.
  - Added new graphics scalers like advmame3x,tv2x.
  - Added a support for a few anti-debugger tricks.
  - Improved the handling of the tab-key.
  - Improved support for the numeric keyboard.
  - Fixed a few cpu opcodes.
  - Added cpu core simple (for lowerend machines)
  - Fixed some nasty bugs in the dynamic cpu core.
  - Added a few (rarely used) fpu opcodes.
  - Fixed various issues with GCC 3.4.
  - Many internal timer improvements (PIT and PIC).
  - Added some more PIC commands (c2woody).
  - Added BCD counting to the timers.
  - Fix some vesa functions.
  - Add some basic support for 132x25 and 132x45 textmodes.
  - Improved Tandy emulation a lot.
  - Lowered cpu usage when dosbox is idle.
  - Allow virtualisation of some basic IO-ports (c2woody).

0.61
  - Added a beta dynamic cpu for x86 hosts (very unstable)
  - Added opengl and hardware overlay display output
  - Rewrote the vga screen updates to go in lines
  - Added paging and v86 support to cpu emulation
  - Added a config option to simulate a certain type of machine
  - Added hercules graphics emulation
  - Made CGA/TANDY modes more compatible
  - Updated textmode drawing routines to support blinking colors
  - Fixed VESA set page function that was documented wrong
  - Fixed some wrongly emulated cpu opcodes.
  - improved exception handling
  - debugger: fixes; logging of gdt,lgt,idt, new commands(Fizzban)
  - fixed some mscdex issues (drive letter header error, added get directory entry)
  - added/fixed some bios funcs
  - added some rarely used xms functions (thanks c2woody!)
  - implemented GUS emulation
  - Added 16-bit DMA support (for GUS and eventually SB16)
  - Fixed many small bugs in filehandling routines
  - Many small FPU fixes (c2woody/Fizzban)
  - Some keyboard improvements (pharlab games)
  - Some Timer and cmos/rtc fixes (Mirek/Srecko/Others)
  - Lot's of mouse fixes (Help from various people)
  - Enabled internal modem
  - Made the DOS parsing routines a bit more flexible
  - Added Subst (Srecko)
  - Added cdrom ioctl support for linux (prompt)
  - Many internal DOS fixes: memory/files/datastructures.
  - Got some help from c2woody in allowing more than 1 irq being served
  - Disabled DPMI (not needed anymore. DOSBox handles almost every extender)
  - Search configfile in $HOME directory if none present in current directory
  - Added another way to switch to protected mode. (Thanks Morten Eriksen!)
  - Fixed some odd badly documented behaviour with PSP/DTA
  - Added some warnings on opening of readonly files in writemode(DOS default).
  - Many shell enhanchements
  - Fixed a win32 specific bug dealing with filenames starting with a "."
  - Fixed some bugs with the directory structure: not found/can't save errors

0.60
  - rewrote memory system for future paging support
  - fixed several EMS and XMS bugs and rewrite for new memory system
  - added some support for tandy video modes
  - added MAME Tandy 3 voice emulation
  - added MAME CMS/GameBlaster emulation
  - added serial port emulation with virtual tcp/ip modem (somewhat buggy)
  - sound blaster emulation is now sb pro 2.0 compatible
  - added basic support for 32-bit protected mode
  - VGA now tries to emulate an S3 Trio 64 card with 2 MB
  - VESA 2.0 support for some 256 color modes
  - rewrote large piece of video bios code for better compatibility
  - added support for the not inheritance flags.
  - created functions for creating child psp.
  - updated errorcodes of findfirst (thanks Mirek!)
  - rewrote loggingsystem to generate less warnings
  - added dos protected mode interface (dpmi)
  - added cdrom label support
  - improved cdrom audio playing
  - fixed and improved directory cache
  - debugger shows selector- and cpu mode info
  - added SELINFO (selector information) command to debugger
  - added reference counting for dos files
  - added tab-completion
  - added basic fpu support.
  - fixed several bugs with case sensitive filesystems.
  - added more shell commands and improved their behaviour.
  - mouse improvements.
  - real time clock improvements.
  - DMA fixes.
  - Improved .BAT file support.

0.58
  - fixed date and time issues with fcbs
  - added more commands to the internal Shell
  - corrected config system when a old configfile was used
  - fixed cga put and get pixel
  - fixed some vga register getting reset to wrong values
  - improved support for foreign keyboards
  - improved joystick support
  - made dosbox multithreaded again
  - lot's of soundblaster fixes
  - dma fixes
  - cdrom support
  - midi support
  - added scale2x
  - reenabled screenshot support
  - joystick support fixes
  - mouse improvements
  - support for writing wavefiles
  - added directory cache and longfilename support (longfilenames will be mangled)
  - mouse fixes
  
  
0.57
  - added support for command /C
  - fixed all fcb-write functions
  - fixed fcb-parseline
  - added debugger under linux/freebsd 
  - added debugger memory breakpoints and autolog function (heavy debug)
  - added loadfix.com program that eats up memory (default 64kb)
    Usage  : loadfix [-option] [programname] [parameters]...
    Example: loadfix mm2      (Allocates 64kb and starts executable mm2)
             loadfix -32 mm2  (Allocates 32kb and starts executable mm2)
             loadfix -128     (Allocates 128kb)
             loadfix -f       (frees all previous allocated memory)
  - added echoing of characters for input function
  - added support for backspace for input function
  - added partial support for int10:01 set cursortype
  - fixed most of the problems/bugs with character input.
  - fixed allocationinfo call.(darksun series)
  - improved dos support for non-existant functions
  - Split screen support
  - prefix 66 67 support
  - rewrote timingscheme so 1000 hz timers don't cause problems anymore
  - update adlib emulation
  - fixed some isues with the mouse (double clicks and visible when it shouldn't be)
  - improved mouse behaviour (mickey/pixel rate) and detection routines.
  - basic ansi.sys support
  - Disney sound system emulation 
  - rewrote upcase/lowcase functions so they work fine with gcc3.2
  - SHELL: added rename and delete
  - added support for command /C. Fixed crashes in the shell
  - fixed various bugs when exiting dosbox
  - fixed a bug in XMS
  - fixed a bug with the joystick when pressing a button
  - create nicer configfiles.
  - bios_disk function improved. 
  - trapflag support
  - improved vertical retrace timing.
  - PIT Timer improvements and many bug fixes
  - Many many bug fixes to the DOS subsystem
  - Support for memory allocation strategy
  - rewrote cpu mainloop to act more like a real cpu
  
0.56
  - added support for a configclass/configfile
  - added support for writing out the configclass into a configfile
  - removed the language file and made it internal
  - added support for writing the language file (will override the internal one)
  - improved mousesupport
  - updated readme
  - support for screenshots
  - some cpu-bug fixes
  - dma changes
  - Real Sound support
  - EMM fixes and new functions.
  - VGA fixes
  - new wildcompare
  - support for size and disktype at mount.
  - added new debugger functionalities: start/trace into INTs, write processor status log, 
    step over rep and loop instructions, breakpoint support without using INT 03 (heavy debugging switch)
  - Added more cpu instructions and changed the string operations.
  - Added classes for most of the internal dos structures.
  - Rewrote most of the fcb calls to use normal dos calls.
  
0.55
  - fixed the errors/warnings in prefix_66.h and prefix_66_of.h (decimal too large becomming unsigned).
  - fixed compilation error on FreeBSD when #disable_joystick was defined
  - int10_writechar has been updated to move the cursor position.
  - changed the basedir routines to use the current working dir instead of argv[0]. This will fix and brake things :)
  - illegal command, now displays the command
  - wildcmp updated to be case insensitive
  - added fcb:open,close,findfirst, findnext.
  - fixed rename in drive_local
  - added new features to the debugger: breakpoint support / data view / command line
  - partial support of list of lists (dos info block)
  - full emm 3.2 support  
  - partial emm 4.0 support
  - fixes to graphics core fonts (text in sierra games is now correct)
  - improved support for user mousehandlers
  - fixed EGA graphics
  - fixed VGA graphics
  - fixed write with size 0
  - changed memory management.
  - fixed and cleaned up the cpu flags.
  - changed interrupt handler.
  - speeded up the graphics.
  - speeded up the cpu-core
  - changed dma 
  - improved dma streams from emm memory
  - added some cga videomodes
  - added more funtions to the keyboard handler

0.50: 
      -added F3 to repeat the last typed command.
      -made it possible to change the shellmessages(dosshell). so 
      you can costumize it.(dosbox.lang)
      -changed cpu core.
      -Fixed a lot of errors with the keyboard: shift-f1 and 
      alt-f1 now works.
      -Fixed some division errors.
      -made a plugin system.
      -added a lot of real 386 mode instructions.
      -made it possible to resize the screen.
      -Mayor source cleanup/reorganisation.
      -Complete rewrite of the graphics routines. Should make it
      possible to implement more fancy things like 2xsai,interpolation.
      -changed the sound playback.
      -Changed the vga drawing to only draw on memory changes, instead
      of drawing an entire frame. 
      -fixes to the soundblaster/dma code should be able to play 4-bit
      adpcm compressed sounds.
      -added the correct time to dir.
      -bugfixes to batch-file handling.
      -Lot's of small bugfixes.(Dune1&2,wolf3d, many more).
      -Released the source.