Function txt_xputc

sys/msdos/vidtxt.c:319–374

write out character (and attribute) */

/* write out character (and attribute) */
void txt_xputc(char ch, int attr)
{
#ifdef PC9800
    union REGS regs;

    regs.h.dl = attr98[attr];
    regs.h.ah = SETATT;
    regs.h.cl = DIRECT_CON_IO;

    (void) int86(DOS_EXT_FUNC, &regs, &regs);

    if (ch == '\n') {
        regs.h.dl = '\r';
        regs.h.ah = PUTCHAR;
        regs.h.cl = DIRECT_CON_IO;

        (void) int86(DOS_EXT_FUNC, &regs, &regs);
    }
    regs.h.dl = ch;
    regs.h.ah = PUTCHAR;
    regs.h.cl = DIRECT_CON_IO;

    (void) int86(DOS_EXT_FUNC, &regs, &regs);
#else
#ifdef SCREEN_BIOS
    union REGS regs;
#endif
    int col, row;

    txt_get_cursor(&col, &row);
    switch (ch) {
    case '\n':
#if 0
                col = 0;
                ++row;
#endif
        break;
    default:
#ifdef SCREEN_DJGPPFAST
        ScreenPutChar((int) ch, attr, col, row);
#endif
#ifdef SCREEN_BIOS
        regs.h.ah = PUTCHARATT;  /* write att & character */
        regs.h.al = ch;          /* character             */
        regs.h.bh = 0;           /* display page          */
        regs.h.bl = (char) attr; /* BL = attribute        */
        regs.x.cx = 1;           /* one character         */
        (void) int86(VIDEO_BIOS, &regs, &regs);
#endif
        if (col < (CO - 1))
            ++col;
        break;
    } /* end switch */
    txt_gotoxy(col, row);
#endif /* PC9800 */
}

/*