Well, as said, you can just concentrate on the printer-interfacing stuff (select hardware or software codepage, and load a character table), all the rest is already done (DISPLAY). But not QBASIC, but NASM ;)
Aitor 2011/5/5 Henrique Peron <hpe...@terra.com.br>: > Hi Eric, > > ok, so printing in graphics mode it is. > > Yes, it would be slow, but there would be no limitations. There would be > no dependence on codepages, either hardcoded or not. > > Programming in QBASIC was a long time ago. I don't program on any > language anymore for almost 20 years. It seems, then, that it is all > about intercepting texts and calculating glyphs. It seems you have the > knowledge for that. Would you be interested? > > Cheers, > Henrique > > Em 5/5/2011 15:04, Eric Auer escreveu: >> Hi Henrique, >> >>> I just read a PDF file "Epson ESC/P Reference Manual". It explains that >>> 24-pin printers can "receive" definitions on 241 characters into its RAM >>> but those 9-pin LX printers cannot. They can only receive 6 characters >> Well 241 is enough for normal purposes, control chars do >> not really need to have a shape which is visible on paper. >> >> But yes if you find a 9 pin printer in a museum, no font. >> >>> Perhaps the idea (which is what I did once with a 9-pin Epson LX-800 >>> that I had) is to manipulate the printer head directly. >> That is simply called "printing graphics" :-p >> >>> would force me to manually provide the data (through a TXT file) which >>> would be sent to a printer through some program which would pose as a >>> "printer driver". I would like to elaborate more on this but... >> No, you can just intercept the text and calculate the >> picture based on a font in RAM. You could just use the >> font of DISPLAY or the VGA card to save some RAM, but >> of course the necessary transformation of formats will >> make this somewhat CPU-heavy and slow. You can put the >> font pre-calculated in printer data style in RAM which >> saves CPU work but uses more RAM. Or you can do as you >> suggest - use some tool which would work similar to >> "font-prn fontfile.cpi 4242 sometext.txt" where 4242 >> would be the codepage number selected from the CPI... >> >> Cheers, Eric >> >> >> ------------------------------------------------------------------------------ >> WhatsUp Gold - Download Free Network Management Software >> The most intuitive, comprehensive, and cost-effective network >> management toolset available today. Delivers lowest initial >> acquisition cost and overall TCO of any competing solution. >> http://p.sf.net/sfu/whatsupgold-sd >> _______________________________________________ >> Freedos-user mailing list >> Freedos-user@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/freedos-user > > ------------------------------------------------------------------------------ > WhatsUp Gold - Download Free Network Management Software > The most intuitive, comprehensive, and cost-effective network > management toolset available today. Delivers lowest initial > acquisition cost and overall TCO of any competing solution. > http://p.sf.net/sfu/whatsupgold-sd > _______________________________________________ > Freedos-user mailing list > Freedos-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-user > ------------------------------------------------------------------------------ All of the data generated in your IT infrastructure is seriously valuable. Why? It contains a definitive record of application performance, security threats, fraudulent activity, and more. Splunk takes this data and makes sense of it. IT sense. And common sense. http://p.sf.net/sfu/splunk-d2d-c2 _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
