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Each computer was connected to separate printers just like the system at the store. I tested it at home many times processing 3 sales at the exact same time and never had a problem. I have vDos installed on the server which causes each of them to overwrite the existing #lpt1.asc. By the time they called me about it, another computer had printed a receipt which had replaced the old #lpt1.asc file with the latest one. I do not know if I was getting a #lptx.asc file or not. I am running Tamedos when not running vDos. I also have LPT timeout in registry set to 1 to eliminate the delay in printing. These drawers were connected via the parallel cable as a Y-connection. ![]() I think FoxPro may use BIOS to print because I have to change the BIOS to change parallel port mode to ECP no DMA so that the old cash drawers will work when not using vDos. You could await for that, or send me a private message for an intermediate vDos.exe. USBLIST2.EXE PRINTER NOT READY UPDATEIn a few days there will be a silent update of vDos version 2017.08.01 with until now only a couple of minor fixes, like this one. Though it could be white noise (single space, tab, line feed, form feed), resulting in vDos ignoring that empty page… Even if a program uses the BIOS to print and constantly checks the returned printer status, at least the first character should be printed. Since this mishap hasn’t been reported before, other programs using the BIOS to print, will (eventually) just inquire the printer status (INT17-2) once at starting to print, and ignore the returned printer status from there on.ĭon’t know if this is the same issue as with your Job Boss program. SC5 tests for each character printed the returned status in the AH register. vDos left the AH register as-is, while it should return 90h or D0h, not busy, selected, eventually acknowledge. Both calls are supposed to return the printer status in the AH register. SC5 uses the BIOS INT 17-1 call to first initialize the printer, then INT 17-0 to print each character. I tested SuperCalc 5 with the same result as SC3. It wasn’t misleading the dBase IOCTL - GET DEVICE INFORMATION (INT 21-4400h). We are still running our business on this program. I installed a DOS program I wrote many, many years ago with Turbo Pascal. It does the same, saying "Printer not ready or out of paper". ![]() USBLIST2.EXE PRINTER NOT READY SOFTWAREThe DOS software they use (Job Boss) says "Printer not available" it has a "skip" selection in its test, and says "test finished", but nothing comes out.įor testing I installed a copy of the ancient DOS SuperCalc3 (still in use here under ArcaOS (the 2017 release of OS/2)). I installed the Windows printer and "dir > lpt1" and "dir > lpt2" print just fine from the vDOS C: prompt. ![]() It works fabuklously - except for printing. USBLIST2.EXE PRINTER NOT READY LICENSEWe hope to license vDOS on two or three computers IF we can make it work. I have installed the latest version of vDOS (downloaded 8-4-17 on a client's new Windows10 computer (Lenovo). ![]()
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