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8 votes

1984 accounting software running in VirtualBox fails to print property to an LPT passthrough, but other software seems fine

Back in the 1970s, as a college project, I wrote an emulator for a minicomputer (in Fortran (!!)). When my professor ran a program written for the minicomputer, the teletype output was doubled, ...
DoxyLover's user avatar
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9 votes

1984 accounting software running in VirtualBox fails to print property to an LPT passthrough, but other software seems fine

Back in the early 1980s, some applications would operate the printer port hardware directly, not going through DOS or BIOS. I'm suspicious that Virtual Box is emulating the hardware, but being fooled ...
John Dallman's user avatar

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