2009/5/28 Ingo Brueckl <ib@xxxxxxxxxxxxxxx>: > I assume that the program does its video output by copying directly into the > vga graphics memory (text mode), because it is (and always was) very speedy. > > What I'd like to do now: If the programs is going to copy some certain > characters with some certain color attribute to the screen, I want to change > the character, e. g. I need to hook into the dosemu function that is called > for 'copying into the video ram'. > > Could someone please tell me where I can find this function and what its name > is? Perhaps you are looking for src/env/video/text.c static void draw_string(int x, int y, char *text, int len, Bit8u attr) In this file are the routines that read the video ram. But DOS programs just write into the video ram directly, there is no DOSEMU routine involved there, it's just a chunk of memory that DOSEMU reads at intervals to update the screen. Bart -- To unsubscribe from this list: send the line "unsubscribe linux-msdos" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
