示例#1
0
t_stat clk_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr)
{
    fprintf (st, "Real-Time Clock (%s)\n\n", dptr->name);
    fprintf (st, "The real-time clock autocalibrates; the clock interval is adjusted up or down\n");
    fprintf (st, "so that the clock tracks actual elapsed time.\n\n");
    fprintf (st, "There are two modes of TODR operation:\n\n");
    fprintf (st, "   Default VMS mode.  Without initializing the TODR it returns the current\n");
    fprintf (st, "                      time of year offset which VMS would set the clock to\n");
    fprintf (st, "                      if VMS knew the correct time (i.e. by manual input).\n");
    fprintf (st, "                      This is correct almost all the time unless a VMS disk\n");
    fprintf (st, "                      hadn't been booted from in the current year.  This mode\n");
    fprintf (st, "                      produces strange time results for non VMS OSes on each\n");
    fprintf (st, "                      system boot.\n");
    fprintf (st, "   OS Agnostic mode.  This mode behaves precisely like the VAX780 TODR and\n");
    fprintf (st, "                      works correctly for all OSes.  This mode is enabled by\n");
    fprintf (st, "                      attaching the %s to a battery backup state file for the\n", dptr->name);
    fprintf (st, "                      TOY clock (i.e. sim> attach %s TOY_CLOCK).  When\n", dptr->name);
    fprintf (st, "                      operating in OS Agnostic mode, the TODR will initially\n");
    fprintf (st, "                      start counting from 0 and be adjusted differently when\n");
    fprintf (st, "                      an OS specifically writes to the TODR.  VMS determines\n");
    fprintf (st, "                      if the TODR currently contains a valid time if the value\n");
    fprintf (st, "                      it sees is less than about 1 month.  If the time isn't\n");
    fprintf (st, "                      valid VMS will prompt to set the time during the system\n");
    fprintf (st, "                      boot.  While prompting for the time it will wait for an\n");
    fprintf (st, "                      answer to the prompt for up to the SYSGEN parameter\n");
    fprintf (st, "                      TIMEPROMPTWAIT seconds.  A value of 0 for TIMEPROMPTWAIT\n");
    fprintf (st, "                      will disable the clock setting prompt.\n");
    fprint_reg_help (st, dptr);
    return SCPE_OK;
}
示例#2
0
t_stat tto_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr)
{
    fprintf (st, "Console Terminal Output (TTO)\n\n");
    fprintf (st, "The terminal output (TTO) writes to the simulator console.\n\n");
    fprint_set_help (st, dptr);
    fprint_show_help (st, dptr);
    fprint_reg_help (st, dptr);
    return SCPE_OK;
}
示例#3
0
t_stat tti_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr)
{
fprintf (st, "Console Terminal Input (TTI)\n\n");
fprintf (st, "The terminal input (TTI) polls the console keyboard for input.\n\n");
fprint_set_help (st, dptr);
fprint_show_help (st, dptr);
fprint_reg_help (st, dptr);
return SCPE_OK;
}
示例#4
0
t_stat tti_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr)
{
    fprintf (st, "Console Terminal Input (TTI)\n\n");
    fprintf (st, "The terminal input (TTI) polls the console keyboard for input.\n\n");
    fprintf (st, "When the console terminal is attached to a Telnet session or the simulator is\n");
    fprintf (st, "running from a Windows command prompt, it recognizes BREAK.  If BREAK is\n");
    fprintf (st, "entered, and BDR<7> is set (also known as SET CPU NOAUTOBOOT), control returns\n");
    fprintf (st, "to the console firmware; otherwise, BREAK is treated as a normal terminal\n");
    fprintf (st, "input condition.\n\n");
    fprint_set_help (st, dptr);
    fprint_show_help (st, dptr);
    fprint_reg_help (st, dptr);
    return SCPE_OK;
}
示例#5
0
文件: pdp11_pt.c 项目: ST3ALth/simh
t_stat ptp_help (FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr)
{
fprintf (st, "PC11 Paper Tape Punch (PTP)\n\n");
fprintf (st, "The paper tape punch (PTP) writes data to a disk file.  The POS register\n");
fprintf (st, "specifies the number of the next data item to be written.  Thus, by changing\n");
fprintf (st, "POS, the user can backspace or advance the punch.\n");
fprint_set_help (st, dptr);
fprint_show_help (st, dptr);
fprint_reg_help (st, dptr);
fprintf (st, "\nError handling is as follows:\n\n");
fprintf (st, "    error         STOP_IOE   processed as\n");
fprintf (st, "    not attached  1          report error and stop\n");
fprintf (st, "                  0          out of tape\n\n");
fprintf (st, "    OS I/O error  x          report error and stop\n");
return SCPE_OK;
}