Re: DOSBox-X branch

Posted on 2014-05-21, 00:21

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by jefferl

in DOSBox Patches

in DOSBox Patches

I noticed that when using the dynamic core, throwing a C++ exception doesn't always work, it's like the exception fails to make it up the call stack where try...catch is waiting and the C++ runtime acts as if nobody caught it. It maybe caused by callback function not use try... catch in SDL …

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8086tiny

Posted on 2014-01-28, 12:26

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by jefferl

in DOSBox Development

in DOSBox Development

It's a very small 8086 emulator writen by C , source code is very small .... http://www.megalith.co.uk/8086tiny/

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Re: DOSBox-X branch

Posted on 2013-11-17, 08:41

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by jefferl

in DOSBox Patches

in DOSBox Patches

TheGreatCodeholio wrote: "Shell=Explorer.exe" copy windows95's explorer.exe and rename it to Explorer95.exe Try use windows 95 ' explorer95.exe , It work on real machine.

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Re: DOSBox-X branch

Posted on 2012-05-12, 13:16

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by jefferl

in DOSBox Patches

in DOSBox Patches

below link is about nt/2000/xp/vista/7/reactos universal open source ata/sata driver , not sure for win9x , since windows 98 & 2000 care about little point had wdm driver source code compatible . hope this helpful for ATA emulation. http://alter.org.ua/soft/win/uni_ata/

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Re: [tutor] how to install windows 98se on dosbox

Posted on 2011-10-15, 17:20

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by jefferl

in DOSBox Games/Apps

in DOSBox Games/Apps

dosbox had many dos'game as it's testCase. windows 98se is another testcase. play-game is a funny memory. re-install win9x is a conquer&quest&retry old-bad-day memory. not-for-game or not-for-dos don't get any official support. In windows 98, more disk-technology(like Ultra-dma), and more 32-bit …

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[tutor] how to install windows 98se on dosbox

Posted on 2011-10-15, 13:04

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by jefferl

in DOSBox Games/Apps

in DOSBox Games/Apps

In your host evironment make a 1G ramdisk (Imdisk(pretty good tool with source code...) gavotte ramdisk for windows) use bximage make a 512M image on 1G ramdisk prepare win98se.iso , boot98_floppy.img(extract from win98se.iso) start dosbox , (with dosbox.conf mem=64M, cpu Pentium slow, svga_s3) …

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Re: DOSBox debugger

Posted on 2011-10-09, 07:42

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by jefferl

in DOSBox Development

in DOSBox Development

dosbox debugger would not work on DeskTop' resolution 800x600. caused by can't allocate extra row for output windows .. 1024*768 is work fine.

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Re: DOSBox debugger

Posted on 2008-05-16, 14:06

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by jefferl

in DOSBox Development

in DOSBox Development

When I using dosdebugger to single steps, The User video screen lagged to update, Even I have steps many instruction , The screen still not updated. In DOS environment , It's the best feature compare to windows. Have any direction to fixed this issue ?

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Re: DOSBox debugger

Posted on 2008-05-02, 15:40

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by jefferl

in DOSBox Development

in DOSBox Development

You must create a short cut from desktop, Then run this short-cut , else you will shutdown dosbox-debugger immediately. You may run the dosbox.exe from MSYS terminal environment, this will fail to run it. Strange things: normal version dosbox can run under MSYS terminal.

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Re: DOSBox debugger

Posted on 2008-05-02, 14:38

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by jefferl

in DOSBox Development

in DOSBox Development

My compiling environment Mingw pdcurses-2.6.0-2003.07.21-1.exe ./configure --enable-debug=heavy make Nothing special. What's your environment ?

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Re: DOSBox debugger

Posted on 2008-05-02, 14:08

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by jefferl

in DOSBox Development

in DOSBox Development

The code are change from currently 2008/4/30 SVN source code. I have do some modify on dosdebugger. Change note: [bugfix] "LV" command stand alone commandline from codeView sub-window [New add] data dump method as byte/word/dword (db/dw/dd) [New add] windows adjust command (wr/wd/wc/wv [winsize]) If …

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Re: SOFT-ICE in dosbox !

Posted on 2008-04-25, 06:45

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by jefferl

in DOSBox General

in DOSBox General

The older version of soft-ice work on dosbox 0.72 s-ice 1.03 work fine s-ice 2.1 work fine s-ice 2.5 & s-ice 2.64 after enter C:>s-ice In dosbox status window show below message: Exit to error:Illegal descriptor type0 for int D The old full screen debugger code-smith 86 Trace 86 TR (95% fine) work …

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Re: int10 function write char xor' to current graphic screen

Posted on 2008-03-19, 07:53

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by jefferl

in DOSBox Development

in DOSBox Development

I edit the post 15 , Re: int10 function write char xor' to current graphic screen :: 2006-1-18 @ 09:18 am ........do some modify ...... Last edited by jefferl on 2008-3-19 @ 04:33 am; edited 1 time in total When I finish edit the post and submit it , I can't find this thread appear in the recently …

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Re: int10 function write char xor' to current graphic screen

Posted on 2008-03-19, 04:43

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by jefferl

in DOSBox Development

in DOSBox Development

I can't find the thread, after edit the post. So add this message to test.

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Re: Heavy-Debug/Debug-Version

Posted on 2006-01-20, 05:40

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by jefferl

in DOSBox Development

in DOSBox Development

I want to compile a debug-heavy version for dosbox... ,But always fail, In dosbox 0.58, I'v successful compile debuger version, at that time, my compiler is VC6 sp5. because VC6 is abandoned by dosbox. In current, my compiler is mingw, and can compile normal dosbox.exe from newest cvs source code. …

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Re: vga test report 2 error found

Posted on 2006-01-18, 10:08

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by jefferl

in DOSBox Development

in DOSBox Development

Please refer this thread, after the last modify, There are only one error left.. int10 function write char xor' to current graphic screen

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Re: int10 function write char xor' to current graphic screen

Posted on 2006-01-18, 09:18

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by jefferl

in DOSBox Development

in DOSBox Development

In the current CVS version still exist video mode 6 mov al,'x' mov ah,0ah mov bl,80h ; xor int 10h no have the xor's behaviour. In AT-bios document not mention the bl register, But in real machine behaviour make affect by bl's bit7 We like to emulate the real machine, not the document. The below …

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vga test report 2 error found

Posted on 2006-01-18, 02:41

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by jefferl

in DOSBox Development

in DOSBox Development

http://www.lanet.lv/ftp/simtelnet/msdos/vga/vgatest2.zip VGA Test file report1033 Test 6: BIOS: Text Input/Output Mode 6h Read/Write ChAttr: expected char=65, got char=0 Mode 6h Read/Write ChAttr: expected char=67, got char=0 Mode 6h Read/Write ChAttr: expected char=69, got char=0 Mode 6h Read/Write …

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Re: int10 function write char xor' to current graphic screen

Posted on 2006-01-17, 14:32

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by jefferl

in DOSBox Development

in DOSBox Development

I have test alleycat , pcman , digger , chinese chess , jbird , revenge, all bios draw message ok, May someone can report fault game. void WriteChar(Bit16u col,Bit16u row,Bit8u page,Bit8u chr,Bit8u attr,bool useattr) { /* Externally used by the mouse routine */ PhysPt fontdata; Bitu x,y; Bit8u …

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Re: int10 function write char xor' to current graphic screen

Posted on 2006-01-16, 14:43

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by jefferl

in DOSBox Development

in DOSBox Development

Ah~ I see. This change make the IBM alley cat Menu select string "Pause Message" display correct.

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