200 lines
8.7 KiB
Plaintext
200 lines
8.7 KiB
Plaintext
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$Id: cbios.txt 555 2009-01-04 16:00:07Z mthuurne $
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C-BIOS 0.23
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===========
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This software is a substitute BIOS which is can be used for running MSX
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emulators. It currently supports only execution of cartridge image ("ROMs").
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Before you use it, you should read and accept the license (see below).
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On the C-BIOS web site, you can download newer versions, download the source
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code, and report bugs.
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http://cbios.sourceforge.net/
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License
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-------
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Copyright (c) 2002-2005 BouKiCHi. All rights reserved.
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Copyright (c) 2003 Reikan. All rights reserved.
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Copyright (c) 2004-2006,2008 Maarten ter Huurne. All rights reserved.
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Copyright (c) 2004-2006,2008 Albert Beevendorp. All rights reserved.
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Copyright (c) 2004-2005 Patrick van Arkel. All rights reserved.
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Copyright (c) 2004 Manuel Bilderbeek. All rights reserved.
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Copyright (c) 2004-2006 Joost Yervante Damad. All rights reserved.
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Copyright (c) 2004-2006 Jussi Pitkänen. All rights reserved.
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Copyright (c) 2004-2007 Eric Boon. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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History
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-------
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ver 0.01 Initial
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ver 0.02 2002-08-15(JST)
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* Added original font and drawing screen.
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* Added dump-mode.
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* Changed recognition method of cartridges
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to recognize cartridges taking priority.
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ver 0.03 2002-08-19(JST)
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* Based on a suggestion from Ms.Okei,
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wrote 20h of BIOS(compare HL and DE).
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In the result, shooting game of a certain company became runnable
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more correctly.
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Thank Ms.Okei!!
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ver 0.04 2002-08-20(JST)
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* Added initialize of FCC2h-FCC4h.
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* Added function of GTSTCK and GTTRIG temporarily.
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* Divided msxb.bin to halfs.
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doing combining/copying with setb.bat now.
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ver 0.05 2002-08-27(JST)
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* Added INITGRP(only screen2), CHGMOD(graphic mode change routine),
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a routine calls H.STKE.
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* Rewrite memory recognition routine.
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* Some bug fixes.
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* Added sound test function.
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ver 0.06 2002-09-01(JST)
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* Fixed around of color.
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ver 0.07 2002-09-09(JST)
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* Added some sorts of keyboard routines.
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* Added joystich function to GTSTCK and GTTRIG.
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ver 0.08 2002-09-12(JST)
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* Restructured memory initialize routine.
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* Added error display routine.
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* Fixed routine of finding kinds of cartridges.
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* Fixed using method of EXPTBL.
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* Added initialize of from RG8SAV to RG23SA.
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* Now return within disabled interrupt from ENASLT routine.
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ver 0.09 2002-09-19(JST)
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* Made the rest half of font.
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* Improved key input routine.
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* Added CHPUT. With it, rewrote display routine.
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* Fixed init_grp.
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* Changed filenames to CBIOS.ROM, CBIOS_SUB.ROM.
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ver 0.10 2002-09-20(JST)
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* Fixed indent.
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* and so on...
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ver 0.10a 2002-09-22(JST)
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* Fixed license.
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* Added support of ROMs in page3.
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ver 0.11 2002-09-22(JST)
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* Small fix in init_sc5.
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ver 0.12beta
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2002-09-25(JST)
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* Added test routine for disk access. need DISK.ROM.
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* Added init_sc7.
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* Improved ENASLT. now finding cartridge uses ENASLT.
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* Improved RAM detection.
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ver 0.12 2002-09-27(JST)
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* Changed finding cartridge again.
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* Changed screen mode of cartridge running time.
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* Fixed keyboard routine.
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* Fixed stick routine against to interrupt.
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ver 0.13 2002-10-02(JST)
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* Based on info from Mr.Maarten (a member of openMSX developers),
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fixed around of SCREEN 5.
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For detail, switching line numbers,
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temporary treatment for a bug of reading from VDP status register,
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and so on.
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ver 0.14 2002-10-10(JST)
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* Rewrote comments in source within Japanese.
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ver 0.15 2003-02-26(JST)
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* Rewrote some of comments back to English again.
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* Fixed non-assemblable condition becauseof lack of font file.
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* Changed filename, some of label name, strings and so on.
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ver 0.16 2003-04-16(JST)
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* Separated sound test from source. (Disabled)
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ver 0.16a 2003-06-01(JST)
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* CHGMOD: When screen0/1, now load font to VRAM.
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* CHPUT: Now support also screen1 not only screen0.
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ver 0.16b 2003-08-10(JST)
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* Added entry: INITXT, INIT32.
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These were exist only as internal routine of CHGMOD.
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* INITXT, INIT32: Fixed screen clear failure.
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* CHPUT: Fixed scroll failure.
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ver 0.17 2003-08-10(JST)
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* Changed LICENSE.
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New LICENSE will be suitable in various situations.
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e.g. use as a firmware for hand-made hardware.
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ver 0.18 2004-12-18(CET)
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* First release since moving to SourceForge.
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* Much improved support for MSX2 games.
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* Graphical boot logo.
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* Included machine config files for several MSX emulators.
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* Various bug fixes.
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ver 0.19 2004-12-24(CET)
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* Added support for SCREEN4 and SCREEN8.
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* Added support for clock chip.
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* Added support for palette. This fixes a lot of wrong colours.
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* Stubbed many calls: non-implemented calls print their name on the
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openMSX debugdevice (if present).
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* Various bug fixes.
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ver 0.20 2005-02-09(CET)
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* Added an MSX2+ configuration, which includes V9958 and MSX MUSIC.
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* Separate main ROMs for MSX1/MSX2/MSX2+.
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* Implemented several MSX2 specific routines, including BLT*.
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* Display is disabled when switching to a different screen mode.
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* Improved CHPUT a lot; implemented control and escape codes.
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* Rewrote key buffering; fixes bug of keys being repeated.
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* New boot logo, even cooler than the previous one.
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* New font, placed at a fixed address so all games can find it.
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* Started work on a disk ROM, but it is not functional yet, so it
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is not enabled in the configurations.
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* Stubbed all non-implemented calls.
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* Various bug fixes.
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ver 0.21 2005-06-07(CET)
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* Fixed RuMSX configuration files, thanks to Rudolf Lechleitner.
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* Rewrote ROM search code; now all ROMs are recognized.
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Also a clear error message is printed for BASIC ROMs.
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* New boot logo for MSX2 and MSX2+.
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* Changed boot sequence:
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Show logo, switch to SCREEN 1 and search for ROMs.
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* Improved video code; fixes several games.
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* Various bug fixes.
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ver 0.22 2008-12-27(CET)
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* Use separate logo ROM to save space in the main ROM.
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* Set lower bits of PSG reg 15 before reading joystick trigger status.
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* Improved RAM search.
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* Many new routines implemented and existing implementations made
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more complete, especially character I/O and bitmap graphics.
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* Added lots of documentation to system variables.
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* Added support for GNU assembler.
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* Various bug fixes.
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ver 0.23 2009-01-04(CET)
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* Updated blueMSX configuration files, thanks to Benoît Delvaux.
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* Fixed version reported by MSX1 logo ROM.
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* Fixed several video routines so they work on MSX1 VDPs (TMS99xx).
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* A couple of other bug fixes.
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Special Thanks
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--------------
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People uploading MSX information to the internet.
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People developing any kind of emulators.
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All users.
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Font edit tool:
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Gameboy Tile Designer version 2.2
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Copyright H. Mulder 1999
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