Warning: The executable files provided in this article are 16-bit applications. If necessary, modify and recompile yourself the sources provided. Take into consideration the following facts:
- modern Windows operating systems (including Windows XP, 7, 8, 10 etc) does not support 16-bit programs anymore.
- Microsoft offers a solution by enabling NTVDM feature which usually is not working properly
- as Microsoft in the future heads toward 64-bit computing, the support for many of the legacy components including 16-bit operation will be totally dropped.
- the best solution for using this programmer is to have a multiboot system in your workstation computer and one of the operating system to have 16-bit capability (figure 9)
- other option is to install a DOS in a virtual machine and run the 16-bit programs inside. The results depends on how the virtual machine program emulates the parallel port.
- in all cases it is necessary to verify with an oscilloscope the timings and voltage levels before connecting the MCU. If the timings have incorrect values, you have to modify the sources and recompile the software.
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