Letters

I really enjoy your magazine and please keep up the good work! I have a question…do you know of any BBS Program for the 2068 (using the 2050 modem)?

I have included two graphic printouts that I made using a program that I call “draw”. Hope you enjoy them as much as I did making them.

Truly yours,
Clifton Tiddle
Diamond Bar, CA

Editor: Clifton, your in luck. I just talked to Eben Brown on the phone, of E. Arthur Brown Co. (3404 Pawnee Drive, Alexandria, MN 56308, 612/762-88471. He has a new BBS program that will be featured in his next catalog. It’s called CASBOARD 2068, and is available on either cassette on A&J wafer. The Load and Save commands are in BASIC, so the program could be easily converted to any disk drive system. CASBOARD, was programmed by Kurt Casby, best known for his LOADER series of programs. Preliminary specifications sound great… and should be a lot of fun setting up a small home-based BBS. Price $19.95 plus $1.95 for postage. I did enjoy your drawings…and I’ve printed them here for others to admire.

To the Editor and the Readers:

Can anyone come up with a simple program for my T/S 2068 which will print the characters immediately on the printer instead of on the screen? With this capability I would like to use the computer and its printer without the TV/monitor to do simple computations. Can anyone help?

Sincerely,
Michael J Nowak
San Diego, CA

Editor: I’ll forward any possible solutions on to Mr. Nowak that we receive, as well as publish them in an upcoming issue. I assume that the reference to a “printer” means the Timex 2040 thermal printer. C’mon programmers!

Dear Tim,

Thank you for showing interest in my little gizmo. I have written to other publications, but no one even answered to say the were not interested. You have my permission to print my address. I will be glad to correspond with anyone who needs more information on adding automatic two-key entry from a one-key closure (to an external keyboard like the TI 99-4/A surplus keyboard).

Sincerely,
D. (Sandy) Rea
Rt. 1 Box 18
Priest River, ID 83856

Editor: I appreciate you sharing your circuit diagram with us.

When key is closed, +5 volts is applied to both gate inputs. Gate #1 switches immediately closing switch #1 in 4066 for shift function. Gate #2, because of delay in charging C1 thru R1 switches after gate #l, closing switch #2 for cursor-left function. If this circuit is duplicated for more functions such as shift cursor-right, the shift key sections of the 4066 may be tied in parallel, as many sections of the 4066 may be done this way, as desired. The gates’ chip can be any OR function chip, TTL, CMOS or LS.

Tim:

I remember some time ago in TDM that you asked readers to send some simple programs for publication, so enclosed is one for the 2068, which you may use if you wish. As you can see, this calculates the number of days between any 2 dates (I think the limits are 1900 to 2010) and accounts for leap years, also.

By the way, in the Jan/Feb 86 issue, page 3, you published a T/S 1000 “bubble sort” for a reader. I could not make the program work without deleting line 230 (LET N=1).

Leo Schroeder
Billings, MT

   1 REM DAYS BETWEEN DATES
  10 POKE 23609,100: GO TO 900
 100 LET Q=Y+(M<3): LET J=INT (275*M/9)-INT (7*Q+7)/4+367*Y+D-INT ((INT (Q/100)+1)*3/4): RETURN
 924 INPUT "FIRST DATE? MO-DAY-YR";M,D,Y: PRINT "FIRST DATE ";M;" ";D;" ";Y
 925 GO SUB 100: LET J1=J
 926 INPUT "LAST DATE? MO-DAY-YR";M,D,Y: PRINT "LAST DATE ";M;" ";D;" ";Y
 928 GO SUB 100: PRINT "DAYS BETWEEN DATES ";J-J1