TTY-Connect Changes:
--------------------

Version   Date       PIC        rx232-buf    tx232-buf   tty-port-buffers (4)
2.2       xx/xx/08   18F2620    500-bytes    300-bytes   250-bytes each
2.0       06/20/06   18F252     300-bytes    200-bytes   150-bytes each
1.0       09/08/04   16F876     80-bytes     16-bytes    16-bytes each


Clock commands:
---------------

Set Time:           /.TW,100,3,tmh,tmm,tms <cr>

                                    tmh = hours        (0 to 23)
                                    tmm = minutes      (0 to 59)
                                    tmm = seconds      (0 to 59)

Get Time:           /.TR,100,0 <cr>                mssg:   -.TC,100,3,tmh,tmm,tms <cr>



Set Date:           /.TW,101,4,dtm,dtd,dth,dty <cr>

                                    dtm = month        (1 to 12)
                                    dtd = day          (1 to 31)
                                    dth = year-high    (19 to 20)
                                    dty = year-low     (0 to 99)

Get Date:           /.TR,101,0 <cr>                mssg:   -.TC,101,4,dtm,dtd,dth,dty <cr>



Set Clock Options:  /.TW,102,4,ckm,ckl,tmf,dtf <cr>

                                    ckm = clock-mode   (0=off, 1=print-every-hour, 2=15-min, 3=1-min) 
                                    ckl = clock-loop   (0=test, 1=HV1, 2=HV2, 3=LV, 4=TU)
                                    tmf = time-format  (0=24-hr, 1=12-hr)
                                    dtf = time-format  (0=day/month/year, 1=month/day/year)

Get Clock Options:  /.TR,102,0 <cr>                mssg:   -.TC,102,4,ckm,ckl,tmf,dtf <cr>




Text message upload, download, and printing
-------------------------------------------

//  We are using a 24LC512 eeprom, which stores 64K bytes (0x0000 to 0xFFFF)
//    and using it to store sixteen 4K-byte demo messages:

mssg-1:  0x0000 to 0FFF
mssg-2:  0x1000 to 1FFF
...
mssg-16: 0xF000 to FFFF



Set Demo-Mssg:      /.TW,120,1,dem <cr>  
                          (followed by demo text;  4095-bytes max)
                    `               (grave accent 0x60 terminates text)



Get Demo-Mssg:      /.TR,120,1,dem <cr>              mssg:   -.TC,120,1,dem <cr>  (followed by demo text)




