VDos est un programme Windows qui sert à exécuter correctement les applications DOS dans toutes les versions de Windows actuelles.
Les changements sont les suivants:
– vDos won’t run anymore in Windows XP (it was then already somewhat crippled), it’s now “Windows 7 or later” to ease future Windows compatibility. vDos can however still be installed and used on Windows Vista.
– 4DOS is no longer embedded as the default command processor. Hardly anyone used the 4DOS extra functionality, while it proved to be confusing to others. The previous internal command processor is reinstated, though largely revised. As a bonus vDos.exe is 28% smaller, vDos not executing the 4DOS 16-bit code, applications start slightly faster, while free conventional memory increases 4KB.
– A FPU (Floating-point unit) is added to the emulated CPU. Programs utilizing a FPU can run substantially faster.
– Protected mode support and bare extended memory (XMEM-EXT) usage is overhauled.
– More progressive idle detection (lowering the real CPU/core load) and responsive DOS mouse handling.
– The LOW= directive in config.txt is dropped. vDos detects faulty EXEPACKed programs itself, and applies the required memory adjustments to let them run properly.
– More robust and comprehensive pasting of Windows Clipboard text.
– Minor printing issues resolved. Added SEL = « » option to select the default Windows printer.
– Integrated WP Shell emulation to Windows Clipboard. Direct copy/append of WP’s selected text, paste text w/o the keyboard buffer roundabout and ASCII restrictions. Support of the VGA512 extended character set.
– COLS/LINS directive in config.txt accepts larger maximum values, determined by the formula COLS x LINS < 16,385 (a minimal font size is of course still enforced).
- [Win]+Ctrl+C copies text starting at the cursor (as long in the same fore/background color) to the end of the line. So it's now a more useful quick (to the end of) line or field copy.
- Loading a DOS COM executable, a free/available 64KB memory segment was just assumed at setting the initial programs SP value.
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