I know. How to run UCDOS under Windows XP?
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I have many programs under the support of UCDOS, such as salary management system, auxiliary writing and auxiliary web page making system, which are developed under Chinese character FOXBASE. There are many programs under Chinese character QBASIC, MASM, BC, and I still want to use them, some are still in use. These DOS programs are all inseparable from the UCDOS Chinese character platform.
Question: When running UCDOS under Windows XP, there is screen flicker and garbled code. How to solve it?
Answer: UCDOS is a 16-bit Chinese character system, which has compatibility problems with WinXP. If you must use it, some measures can be taken and it is expected to continue to be used.
Method 1 Use command.com command
1. Right-click on the blank area of the desktop and select "New" -> "Shortcut", enter "command.com /k c:\ucdos\ucdos.bat" after "Please type the location of the item", click "Next", change the name of this shortcut to "UCDOS", and click "Finish".
2. Right-click this shortcut again, select "Properties", change "Memory" to "Automatic", "Screen" to "Full screen", and the other properties can use the default values.
Method 2 Use cmd.exe command
1. Set the compatibility of the core files of UCDOS.
Start -> All Programs -> Accessories -> Program Compatibility Wizard -> I want to locate the program manually -> Browse -> \ucdos\knl.com -> win98 -> 256 colors, 640X480 -> Is the program working correctly? Yes, set this program to always use compatibility settings.... Complete.
For some UCDOS versions, the core file is knlvga.exe, and the compatibility setting should be carried out in the same way.
2. Method of running UCDOS system files.
Enter the command prompt (MS-DOS state)
Switch to the UCDOS directory.
Do not run UCDOS.BAT at this time. You can run the commands one by one. For example:
RD16.COM
KNL.COM
PY.COM
RDFNT.COM
For some versions, the running order is: (version compatible with Chinese Star double pinyin input method)
RD16.COM
KNLVGA.EXE
PY.COM
RDFNT.COM
3. If there is screen flicker and garbled code, you can press CTRL+ALT+DEL to return and enter the Task Manager.
Select "Application -> End" to return to normal.
4. All kinds of Chinese character application systems under the original UCDOS, such as: FOXBASE, QBASIC, GWBASIC, MASM, BorlandC, etc., which can run normally under MS-DOS of Win98, can continue to be used.
5. Improve the way of executing sub-commands in ucdos.bat.
It is inconvenient to remember to change ucdos.bat to execute sub-commands. The improvement is as follows:
(1) copy rd16.com uc1.com
(2) copy knl.com uc2.com
(3) Create uc3.bat with only 2 lines:
py.com
rdfnt.com
(4) When running, execute uc1, uc2, uc3 continuously to smoothly enter ucdos.
UCDOS can run normally in this way. But so many application systems all support 32 bits, so there is no compatibility problem. It would be great if the UCDOS core program also supports 32 bits.
We pin our hopes on the developers of UCDOS and those who are eager to do so.