ftp.barnyard.co.uk/2015.02.ftp.barnyard.co.uk.tar/ftp.barnyard.co.uk/cpm/walnut-creek-CDROM/CPM/HAMRADIO/MORSETXT.LBR/MORSETXT.MZN/MORSETXT.MAN

Text File | 2000-06-30 | 58KB | 1,454 lines

.op
..MORSETXT.MAN for v1.0 --CHR$(13)25AUG85  Manual File edit 02JUL86
..
                ***----MORSETXT.COM v1.0-----***
                *                              *
                *   International Morse Code   *
                *  transmitter for text files  *
                *  via an RS-232 control line  *
                *  for CP/M 2.2 &  compatible  *
                *       computers              *
                *                              *
                ***-- --CHR$(13)23AUG85------***


Topics:                                             WordStar
                                                   printed page:
1. Introduction     an overview                                 1
     a. Why I wrote this                                        1
     b. What it can do                                          1
     c. What you'll need to use it                              2

2. Defaults         the command characters                      2
     a. Sending speed                                           3
     b. Alphabet expansion                                      3
     c. White space extension                                   4
     d. Pretty flag                                             6

3. Modes            the major program functions                 6
     a. Sending                                                 6
     b. Console command                                         7
     c. Console filename entry                                  7
     d. Morse keyboard loop                                     8
     e. Ditrate test mode                                       8

4. Installation     the overlay, and beyond                     9
     a. Hardware                                                9
     b. About speakers                                          9
     c. Software                                                9
     d. Codespeed                                               9
     e. Beyond the overlay                                     10

5. Operation        Simple User's Manual                       11

6. Use              hints, better sounds, etc.                 16
     a. Novice                                                 16
     b. General                                                17
     c. Extra                                                  18
     d. High-speed use                                         18

7. Character Map    use this when you write practice-copy      21
                    or patch the conversion table

8. Library List     what's in this MORSETXT.LBR as released    22

9. Beyond           room for improvements                      23

.paè.pn1
.he MORSETXT.MAN for v1.0 --CHR$(13)09SEP85edit  Manual File      -#-
1. Introduction


a. Why I wrote this...

     ╔á wrotσá MORSETX╘ t∩ ge⌠ m∙ codespeeΣá up¼á b∙á havinτá thσ ì
compute≥á reaΣ tex⌠ file≤ t∩ mσ whilσ m∙ hand≤ werσ bus∙ (washinτ ì
dishes¼á iµ yo⌡ mus⌠ know¼á ugh)«
.cp3
     It'≤á ßá lo⌠á easie≥á t∩ writσ practicσá cop∙á witΦá VD╧á o≥ ì
WordSta≥ thaε i⌠ i≤ t∩ si⌠ dowε anΣ recorΣ ß cop∙ tape¼ eveε witΦ ì
Benche≥ paddles¼ anΣ thσ computer'≤ fis⌠ i≤ ß lo⌠ les≤ sloppy«
.cp7
     Too¼á therσ arσ ß lo⌠ oµ file≤ ou⌠ oε thσ BB╙ system≤ tha⌠ ╔ ì
haven'⌠ memorizeΣ t∩ thσ poin⌠ oµ uselessness¼á wherea≤ ╔ usuall∙ ì
kno≈á ß tapσ almos⌠ b∙ hear⌠ wheε ╔ ge⌠ donσ recordinτ i⌠ (anΣá ╔ ì
losσá m∙ head-cop∙ wheε ╔ wincσ a⌠ m∙á played-bacδá botches)«á Iµ ì
it'≤á no⌠ to∩ cryptic¼á almos⌠ an∙ messagσ filσ caε bσ gooΣá cop∙ ì
practice. ì

.cp7
     MORSETX╘ caε bσ useΣ t∩ begiε learninτ thσ code¼ too« Iµ thσ ì
ideßá oµ packe⌠ radi∩ ha≤ gotteε yo⌡ exciteΣ abou⌠ amateu≥ radio¼ ì
perhap≤ m∙ prograφ prox∙ caε hel≡ yo⌡ ge⌠ you≥ Techniciaε licensσ ì
s∩á yo⌡á caεá swa≡ file≤ witΦ peoplσ (acros≤ thσ globσá wheεá yo⌡ ì
upgradσá t∩á General⌐ withou⌠ runninτ u≡ ß lo⌠á oµá long-distancσ ì
charges«
     You haven't heard about packet yet?

.cp7
b. What it can do...

     MORSETX╘á read≤ iε tex⌠ files¼á recorΣ b∙ record¼á anΣ send≤ ì
theφ ou⌠ characte≥ b∙ characte≥ a≤ Internationa∞ Morsσ Codσá (thσ ì
kinΣ ham≤ use)« A≤ eacΦ characte≥ i≤ sen⌠ out¼ i⌠ i≤ addeΣ t∩ thσ ì
TYPE-stylσ displa∙ oε thσ screen«

.cp5
     Thσá filename.ty≡á giveε caεá bσá ambiguous╗á MORSETX╘á wil∞ ì
expanΣá i⌠á ou⌠á witΦ BDO╙ Search-For-Firs⌠á anΣá Search-For-Nex⌠ ì
calls¼á anΣ senΣ al∞ thσ file≤ tha⌠ match¼á iε thσ orde≥ iε whicΦ ì
BDO╙ find≤ them.

.cp5
     Thσá giveε filenamσ caε bσ tha⌠ oµ ß SUBMI╘á file«á MORSETX╘ ì
wil∞ reaΣ iε thσ SU┬ filσ containinτ ß lis⌠ oµ othe≥ files¼á theε ì
senΣá theφ ou⌠ onσ b∙ one«á An∙ command≤ (discusseΣ below⌐ iε thσ ì
SU┬ filσ line≤ wil∞ bσ implementeΣ a≤ the∙ arσ encountered.

.cp6
     MORSETX╘á caεá bσá interrupteΣá a⌠á an∙á timσá t∩á accep⌠á ß ì
replacemen⌠ lis⌠ oµ filename≤ anΣ commands« Again¼ ambiguou≤ filσ ì
specifier≤ wil∞ bσ expandeΣ wheε encountereΣ anΣ SUBfile≤ wil∞ bσ ì
copieΣá in¼á thougΦ the∙ wil∞ displacσ thσ res⌠ oµ thσ lis⌠ a≤á ß ì
result.

.cp5
     MORSETX╘á als∩á contain≤á ßá direc⌠á console-to-Morsσá loop« ì
Thi≤ effectivel∙ operate≤ a≤ aε unbuffereΣ keyboarΣá keyer«á Thi≤ ì
caεá bσá invokeΣ iε thσ middlσ oµ ß filσ witΦá ßá keystroke¼á anΣ ì
dismissed back to continue sending the file with another.

.cp6è     Onσá oµá thσá possiblσ command≤ MORSETX╘á accept≤á i≤á "loo≡ ì
forever"«á WitΦá thi≤á anΣ thσ othe≥ capabilities¼á MORSETX╘á caε ì
spenΣá eternit∙ sendinτ thσ filσ content≤ oµ ever∙ disδá iεá you≥ ì
system¼ ove≥ anΣ over¼ iµ yo⌡ s∩ desire¼ witΦ ß differen⌠ sendinτ ì
rate for each one.


.cp4
c. What you'll need to use it...

     Thσ prograφ contain≤ onl∙ 808░ code¼á s∩ i⌠ run≤ iε an∙ CP/═ ì
2.▓ compatiblσ environment«á
.cp5
     I⌠á doe≤ requirσ somσ equate-settinτ and/o≥ overla∙á writinτ ì
t∩á se⌠á up«á ┴ samplσ overla∙ filσ i≤ iε thi≤ librar∙á fo≥á tha⌠ ì
purpose«áá Modif∙áá thσá overla∙á filσá t∩á mee⌠á you≥á machine'≤ ì
requirements¼ assemblσ i⌠ anΣ usσ MLOAD¼ DDT¼ o≥ SI─ t∩ integratσ ì
i⌠ int∩ MORSETXT.CO═ itself«
.cp4
     Thσá COMfilσá itselµ i≤ se⌠ u≡ fo≥ thσ Ampr∩á Littlσá Board« ì
Ampr∩á owner≤ wh∩ likσ m∙ default≤ caε ruε thσ prograφ righ⌠á ou⌠ ì
oµ thσ box¼ withou⌠ puttinτ iε thσ overlay.

.cp3
     Yo⌡ wil∞ neeΣ somσ kinΣ oµ ß tone-maker« There'≤ ß schematiπ ì
iεá thσá overla∙ filσ oµ onσ tha⌠ caε bσ buil⌠ fo≥ a≤á littlσá a≤ ì
arounΣá $5.0░á eveε iµ yo⌡ bu∙ thσ part≤á froφá Radi∩á Shack«á
.cp4
     Iµá you'rσá ambitious¼á I'vσ includeΣ somσá hardwarσá desigε ì
note≤á iεá thσ High-SpeeΣ Usσ sectioε oµ thi≤ file¼á oεá way≤á t∩ ì
drivσ sidetonσ oscillator≤ anΣ synthesizer≤ witΦ you≥ computer.



.cp7
2. Defaults

     Therσá arσá severa∞ commanΣ option≤ whicΦ caε bσá controlleΣ ì
froφá thσ commanΣ line¼á anΣ b∙ consolσ inpu⌠ withiε thσ program« ì
Threσá oµá theφ ma∙ bσ se⌠ b∙ assembl∙ anΣá installatioεá oµá thσ ì
overla∙ (o≥ b∙ direct patching).


.cp7
a. Sending speed...

     Thσá defaul⌠á speeΣá fo≥ MORSETX╘ ruε oε ßá Z8░á (╔á haven'⌠ ì
checkeΣ 808░ o≥ 808╡ timing╗á ╔ expec⌠ HD6418░ timinτ t∩ bσá off⌐ ì
i≤á 2░ word≤ pe≥ minute¼á tuneΣ b∙ thσ PARI╙ tes⌠ (thσ worΣ PARI╙ ì
sen⌠á 4░á time≤ iε 12░ seconds)«á Thσ worΣ PARI╙ i≤ ß gooΣá dumm∙ ì
grou≡ fo≥ approximatinτ thσ sendinτ speeΣ oµ actua∞ clea≥ text«

.cp7
     Iµ you'l∞ bσ usinτ MORSETX╘ t∩ senΣ typica∞ random-characte≥ ì
group≤á (a≤á encountereΣá iε stud∙ tape≤ fo≥á thσá amateu≥á radi∩ ì
licensσ exams)¼ you'l∞ neeΣ t∩ adjus⌠ you≥ specifieΣ codespeeΣ b∙ ì
multiplyinτá i⌠á b∙ 1.▓ t∩ makσ thσ commonl∙ accepteΣá words-per-ì
minutσá rate«á Yo⌡ caε tes⌠ thi≤ b∙ sendinτ ß filσ consistinτá oµ ì
thσ worΣ CODE╪ ove≥ anΣ ove≥ (witΦ ß spacσ afte≥ eacΦ one).

.cp7è     Sendinτ speed≤ othe≥ thaε thσ defaul⌠ arσ typeΣ iε a≤ words-ì
per-minute-times-ten«á Thus¼á t∩á tel∞ thσ prograφ t∩ senΣ a⌠á 1│ ì
word≤á pe≥á minute¼á yo⌡ typσ 130«á Thi≤ allow≤á  fo≥á fractiona∞ ì
increment≤á iεá codespeeΣ a⌠ thσ slo≈ enΣá oµá things¼á wherσá i⌠ ì
matters«á Abovσá 2░á wpm¼á fractiona∞ increment≤ aren'⌠ al∞á tha⌠ ì
linear¼ bu⌠ then¼ the∙ aren'⌠ al∞ tha⌠ usefu∞ either.


.cp11
b. Alphabet expansion...

     Thσá alphabe⌠á expansioεá defaul⌠á i≤á copieΣá int∩á contro∞ ì
positioεá beforσá ever∙á filσ i≤ sent«á Thi≤ mean≤á that¼á iµá m∙ ì
default≤á arσá lef⌠ in¼á thσ prograφ wil∞ usσ almos⌠á thσá entirσ ì
Internationa∞ Morsσ alphabe⌠ a≤ founΣ iε thσ 198╡ ARR╠á Handbook« ì
Somσ ASCI╔ character≤ tha⌠ havσ n∩ Morsσ equivalent≤ arσ useΣ fo≥ ì
prosign≤á (procedura∞á signs¼á thσá Morsσ equivalen⌠á t∩á contro∞ ì
characters¼á formeΣ b∙ runninτ norma∞ letter≤ together)«á No⌠ al∞ ì
thσ possiblσ prosign≤ arσ included╗ seσ thσ Characte≥ Ma≡ sectioε ì
fo≥ ß lis⌠ oµ thσ one≤ tha⌠ are.

.cp5
     Iµá thi≤ optioε i≤ toggled¼á thσ prograφ filter≤á character≤ ì
afte≥á displaying«á You'l∞á stil∞á seσ you≥ filσ jus⌠ a≤á i⌠á wa≤ ì
typed¼á bu⌠á onl∙ thesσ characters¼á thσ one≤ thσ amateu≥ licensσ ì
exams cover, will actually be sent:

.cp12
letters:  A through Z (and a through z)
numbers:  0 through 9

punctuation:
          comma                    ,                      <mim>
          period                   .                      <aaa>
          query                    ?                      <imi>
          slant-bar                /                      <dn>
          double-dasΦá  á          =                      <bt>
            (useΣ on-the-ai≥á a≤á ßá lonτ dash, i.e. -- ;
             as used, generally means "um","ah", "duhh", etc.)

.cp6
prosigns: "end of my transmission,
           your turn"              +                      <ar>

          "finished with you,
           signing clear"        see below                <sk>

.cp6
     <sk╛ i≤ thσ onσ prosigε fo≥ whicΦ thσ FC├ test≤ whicΦ i≤ no⌠ ì
mappeΣá t∩á an∙á standarΣá ASCI╔á character«á Iεá MORSETXT¼á I'vσ ì
assigned it to '#', a character with no Morse equivalent. It will
bσ sen⌠ wheε thσ ARR╠ alphabe⌠ filte≥ i≤ turneΣ on¼á bu⌠ bσ awarσ ì
that the character selection is my choice and not official.

.cp4
     Iε filtereΣ mode¼ MORSETX╘ doe≤ senΣ onσ characte≥ whicΦ thσ ì
amateu≥ licensσ exam≤ don'⌠ cover¼á thσ ampersand║ '&'«
     M∙á excusσá i≤á tha⌠á I'Σ havσ t∩ takσ ßá smal∞á machetσá t∩ ì
the prograφ's flo≈ contro∞ t∩ filte≥ tha⌠ out«
.cp6è     M∙á rea∞á reasoεá i≤á tha⌠á ╔ happeεá t∩á reall∙á likσá tha⌠ ì
character¼á thσ onσ obviou≤ holdou⌠ froφ Americaε TelegrapΦ Morsσ ì
(thσ codσ S«á F«á B«á Morsσ devised⌐ t∩ sho≈ u≡ iεá Internationa∞ ì
Morsσá (thσá codσ thσ IT╒ deviseΣ afte≥ MarconΘá starteΣá sellinτ ì
radios to all the ships at sea).

.cp4
     Seσá thσá Characte≥á Ma≡á fo≥ othe≥á punctuatioεá anΣá othe≥ ì
prosigns¼á somσ oµ whicΦ havσ actua∞ assigneΣ ASCI╔á equivalents¼ ì
bu⌠ whicΦ amateur-radi∩ licensσ test≤ don'⌠ cover.

.cp8
c. White-space extension...

     Thi≤á extensioεá i≤á no⌠á asserteΣá iεá default«á It'≤á als∩ ì
somewha⌠á harΣ t∩ explain«á
     Iµ you'rσ ne≈ t∩ Morsσ Code¼á i⌠ wil∞ meaε thσ leas⌠ t∩ you¼ ì
bu⌠ you'rσ thσ onσ who'l∞ neeΣ i⌠ thσ most«
     Bea≥ witΦ me¼ please.

.cp8
     Likσá thσá Romaεá alphabe⌠ useΣá fo≥á writteεá English¼á thσ ì
Internationa∞á Morsσá Codσ i≤ ß sounΣ alphabe⌠á buil⌠á oµá simplσ ì
elements« Wherσ thσ writteε worΣ ha≤ straigh⌠ stroke≤ anΣ curves¼ ì
Morsσ ha≤ dit≤ anΣ dahs¼á shor⌠ burst≤ anΣ lonτ burst≤ oµ signal« ì
Thesσá sounΣá element≤ arσ combineΣ togethe≥ acros≤á timσá rathe≥ ì
thaε acros≤ thσ paper¼ t∩ forφ letter≤ whicΦ wσ reaΣ anΣ write«

.cp6
     Man∙ peoplσ begiε learninτ thσ codσ b∙ countinτ thσ dit≤ anΣ ì
dahs as they come through.
     Thi≤á i≤ somewha⌠ likσ decodinτ thσ lette≥ 'T'¼á iεá readinτ ì
printeΣá English¼á b∙á noticinτ tha⌠ i⌠ ha≤á ßá <T>op«á GooΣá fo≥ ì
starts¼ perhaps¼ bu⌠ cripplinτ iµ useΣ fo≥ an∙ lengtΦ oµ time.

.cp6
     Thσ probleφ witΦ thi≤ approacΦ i≤ tha⌠ one'≤ attention¼á thσ ì
mos⌠á difficul⌠ par⌠ oµ one'≤ minΣ t∩ direc⌠ fo≥ rotσá processes¼ ì
i≤ beinτ useΣ t∩ perforφ thσ entirσ decodinτ process« Whilσ i⌠ i≤ ì
doinτ this¼ i⌠ canno⌠ collec⌠ thσ letter≤ togethe≥ int∩ ß worΣ t∩ ì
bσ understooΣ a≤ par⌠ oµ ß sentence.

.cp6
     Thi≤ i≤ wha⌠ result≤ iε thσ "plateauó oµ whicΦ yo⌡ ma∙á havσ ì
heard¼á tha⌠ barrie≥ a⌠ abou⌠ 1░ word≤ pe≥ minute«á Thi≤ i≤ abou⌠ ì
thσá codespeeΣ a⌠ whicΦ thσ minΣ i≤ full∙ occupieΣ witΦá countinτ ì
dit≤á anΣá dah≤ anΣ theε "lookinτ upó thσ meaninτ iε somσá menta∞ ì
table« Thσ consciou≤ minΣ simpl∙ canno⌠ cop∙ codσ an∙ faster. ì

.cp6
     Thσá solutioεá t∩ thi≤ i≤ thσ samσ useΣ iε gooΣá school≤á iε ì
teachinτ peoplσ t∩ read..« a≤ sooε a≤ the∙ havσ somσ ideß oµ wha⌠ ì
eacΦá lette≥ mean≤ a≤ ß spokeε sound¼á star⌠ theφ readinτ faster¼ ì
eveε iµ thei≥ recognitioε percentagσ temporaril∙ drops¼á s∩á tha⌠ ì
i⌠á i≤ easie≥ t∩ ski≡ thσ consciou≤ "lookupó proces≤ iµ the∙ havσ ì
an∙ firφ ideß a⌠ al∞ oµ wha⌠ thσ lette≥ is«
.cp4
     A⌠ thi≤ speed¼ thσ word≤ star⌠ t∩ matter« WitΦ practice¼ thσ ì
beginninτá reade≥á sooε cease≤ t∩ havσ t∩ rereaΣ ß worΣ (a⌠á tha⌠ ì
same fast clip) in order to recognize it.

.cp9è     Iεá learninτá Morsσ Code¼á thσ equivalen⌠á t∩á thi≤á speedu≡ ì
proces≤á i≤á t∩ speeΣ u≡ thσ letter≤ themselves¼á bu⌠ (a⌠á first⌐ ì
providσá enougΦ timσ iε betweeε letter≤ fo≥ thσá still-developinτ ì
decodinτá mechanisφ iε thσ subconsciou≤ t∩ proces≤á thσá element-ì
grou≡ anΣ comσ u≡ witΦ thσ meaninτ oµ thσ letter«á Eveε a⌠ ß slo≈ ì
letter-rate¼á thσá dit-ratσá i≤á stil∞ to∩ higΦ fo≥ thσá minΣá t∩ ì
easil∙ resor⌠ t∩ dit-counting..«á thσ subconsciou≤ i≤ pusheΣ int∩ ì
actioε b∙ necessity.

.cp6
     Thi≤á i≤ thσ FarnswortΦ Method¼á thσ approacΦ useΣ b∙ thσ 7│ ì
Magazinσá codσ tapes¼á froφ whicΦ ╔ originall∙ learneΣ thσá code« ì
Thei≥ starte≥ tapσ ha≤ ß letter-ratσ oµ ╡ wpm¼á bu⌠ ß ditratσá oµ ì
1│ wpm« Thσ follow-u≡ tapσ raise≤ thσ letter-ratσ t∩ ╢ wpm¼ whilσ ì
thσ ditratσ creep≤ t∩ 15« It'≤ aε excellen⌠ wa∙ t∩ star⌠ learninτ ì
thσ code.

.cp3
     Onσ oµ m∙ reason≤ fo≥ writinτ thi≤ program¼á however¼á wa≤ ß ì
new plateau that developed as a result of these tapes.

.cp6
     Thσá Internationa∞ Morsσ Codσ ha≤ ß regula≥ structurσá baseΣ ì
oεá thσ dit¼á thσ smalle≥ oµ thσ tw∩ elements«á
     (Thσ timσ spen⌠ t∩ senΣ ß di⌠ is¼ then¼ thσ Code'≤ baud¼ thσ ì
smalles⌠á anΣá mos⌠ fundamenta∞ uni⌠ oµ informatioε iε thσá code« ì
Thσ baudratσ i≤ thσ speeΣ a⌠ whicΦ thesσ basiπ unit≤ arσ sent.)
..Note: I had this wrong in the first version of this manual.

.cp6
     ┴ daΦ i≤ equa∞ t∩ │ dits«á Betweeε tw∩ element≤ iε ß letter¼ ì
ß dit's-wortΦ oµ silence«á Betweeε  tw∩ letters¼ ß dah's-wortΦ oµ ì
silence« Betweeε tw∩ words¼ ╖ dit≤ oµ silence.
     Wheεá machine-generateΣá codσ i≤ sent¼á thi≤ i≤á ho≈á i⌠á i≤ ì
structured. This is the default structure used by MORSETXT.

.cp9
     Thσ 7│ tapes¼ though¼ havσ ß between-lette≥ spacσ oµ roughl∙ ì
seveε dits«á ╔ go⌠ useΣ t∩ that¼á anΣ ╔ founΣ soliΣá machine-sen⌠ ì
codσá (sucΦá a≤á tha⌠á oεá thσ FC├á tes⌠á tapes⌐á to∩á thicδá fo≥ ì
comfortablσ o≥ soliΣ copy«á ╔ als∩ founΣ ß lo⌠ oµ on-the-ai≥ codσ ì
to∩á thick¼á anΣ haΣ t∩ sticδ witΦ conversation≤ witΦ peoplσá wh∩ ì
sen⌠á slower«á M∙ subconscious¼á no⌠ beinτ pusheΣ t∩ comσ u≡ witΦ ì
thσ letter≤ iε ß norma∞ time¼á wa≤ lagginτ badly«á I⌠ tooδ mσ tw∩ ì
tries, a year apart, to pass the General code exam.

.cp4
     I'vσá takeε ß compromisσ approacΦ iε writinτá MORSETXT«á Yo⌡ ì
caε ste≡ thσ codespeeΣ u≡ iε tenth-wpφ increments«á Yo⌡ caεá als∩ ì
usσá thσ ╫ commanΣ optioε t∩ doublσ (no⌠ triple⌐ thσ whitσá spacσ ì
betweeε letter≤ anΣ words.
.cp6
     Usσ thi≤ commanΣ optioε iµ you'rσ jus⌠ gettinτ starteΣá witΦ ì
thσ code« I⌠ wil∞ hel≡ yo⌡ t∩ bσ ablσ t∩ turε u≡ thσ baudratσ anΣ ì
hea≥á thσá letter≤á a≤á sound-group≤ rathe≥ thaεá a≤á packet≤á oµ ì
discretσ bauds«á Star⌠ witΦ 7.╡ wpm¼á witΦ thσ whitespacσá optioε ì
turned on.

.cp8è     Wheεá yo⌡ ge⌠ t∩ abou⌠ 1░ wpm¼á though¼á turε ofµ thσá extrß ì
whitσ spacσ anΣ jum≡ t∩ 15¼á eveε iµ yo⌡ havσ ver∙ poo≥ copy¼ anΣ ì
hanτá on«á You≥ subconsciou≤ wil∞ bucδ anΣ tr∙ t∩ thro≈ yo⌡á off¼ ì
beforσ i⌠ settle≤ dowε t∩ carryinτ yo⌡ wherσ yo⌡ wan⌠ t∩ go« Pla∙ ì
witΦá periodiπ session≤ oµ mucΦ highe≥ speed≤ s∩ i⌠ know≤ no⌠á t∩ ì
get lazy or belligerent.
     Me, I'm jamming mine with 30 wpm. I want my Extra.


.cp6
d. Pretty Flag...

     Thσá defaul⌠ conditioε fo≥ thi≤ flaτ i≤ off¼á no⌠á asserted« ì
Thi≤á flag¼á wheεá set¼á inhibit≤ tw∩ clean-u≡ function≤á iεá thσ ì
program.

.cp7
     ╔á wrotσ MORSETX╘ t∩ makσ usσ oµ thσ man∙ file≤ anΣ message≤ ì
╔á writσá o≥ downloaΣ froφ BB╙ system≤ a≤ ra≈ materia∞á fo≥á cop∙ ì
practice«á Man∙á oµ thesσ file≤ arσ WordSta≥ formatted¼á witΦ thσ ì
extrßá sof⌠ space≤ tha⌠ WordSta≥ throw≤ iε t∩ right-justif∙á eacΦ ì
line«á Somσ oµ theφ (mine¼á fo≥ instance⌐ arσ outrigh⌠ prose¼ anΣ ì
usσ thσ ellipsi≤ ('...'⌐ t∩ indicatσ trailinτ thoughts.

.cp5
      Neithe≥á oµá thesσá construction≤ sounΣ gooΣá wheεá they'rσ ì
sent«á Thσá extrß space≤ makσ fo≥ chopp∙ copy¼á throwinτ ofµá thσ ì
listeninτá rhythm«á Thσ ellipsi≤ simpl∙ isn'⌠ useΣ ove≥ thσá air╗ ì
the <bt> double-dash is used instead.

.cp5
     Wheεá thσ PRETT┘ functioε i≤ operatinτ (wheε thσ flaτá isn'⌠ ì
set¼á inhibitinτ it)¼á MORSETX╘ test≤ fo≥ spaces«á Onl∙ thσ firs⌠ ì
spacσá iε ß ro≈ oµ tw∩ o≥ morσ space≤ wil∞ bσá sent«á Thσá other≤ ì
will be displayed, but they won't occupy time.

.cp5
     The ellipsis construct is changed to:

          <period>       <bt>      <bt>
          ._._._         _..._     _..._

.cp5
     Thi≤á i≤ somethinτ ╔ hea≥ oε thσ ai≥ froφ timσ t∩ time¼á anΣ ì
caεá accept¼á althougΦ i⌠ isn'⌠ iε thσ bes⌠ stylσ fo≥á C╫á (Morsσ ì
Codσ operation)¼ wherσ tersσ brevit∙ i≤ par⌠ oµ thσ stylσ anΣ thσ ì
challenge.

.cp3
     Thσ PRETT┘ functioε shoulΣ bσ disabled¼ though¼ wheε sendinτ ì
file≤á whicΦ werσ writteε fo≥ usσ witΦ MORSETX╘ (iεá non-documen⌠ ì
mode)«
.cp6
     Iε thi≤ case¼ thσ natura∞ flo≈ oµ ß QS╧ (radi∩ conversation⌐ ì
i≤ important.á Extrß spaces¼á eacΦ occupyinτ ß seven-di⌠ blocδ oµ ì
silen⌠ time¼ caε ac⌠ a≤ boundarie≤ oµ transmissions¼ makinτ plaiε ì
jus⌠ wheε onσ part∙ stop≤ transmittinτ anΣ thσ othe≥ begins«á Seσ ì
thσ filσ SAMPLQS╧ fo≥ aε example.


.cp12è3. Modes


a. Sending...

     Thi≤á i≤ thσ basiπ tasδ oµ thσ program«á
     Giveεá ß filename¼á i⌠ pull≤ iε thσ file¼á recorΣ b∙ record¼ ì
anΣ start≤ readinτ thσ file¼á bytσ b∙ byte¼á ou⌠ thσ contro∞ linσ ì
a≤ Morsσ code¼ unti∞ i⌠ hit≤ aε end-of-filσ character¼ ^Z«
     Iµ thσ filenamσ buffe≥ isn'⌠ empty¼á i⌠ fetche≤ iε thσá nex⌠ ì
filσ anΣ send≤ that«á Wheε i⌠ find≤ ß ^┌ iε thσ filenamσ list¼ i⌠ ì
return≤ t∩ CP/M«
.cp5
     Iµ i⌠ find≤ thσ loo≡ characte≥ '&º iε thσ buffer¼á i⌠ start≤ ì
froφá thσ to≡ oµ thσ lis⌠ anΣ send≤ al∞ thσ listeΣá file≤á again¼ ì
unti∞á i⌠ find≤ tha⌠ '&º anΣ start≤ froφ thσ to≡á again..«á neve≥ ì
seeing the ^Z at the end of the list.


.cp6
b. Console command...

     Ente≥á thi≤á modσá b∙ typinτ an∙ ke∙á tha⌠á isn'⌠á otherwisσ ì
defined«á Tha⌠á characte≥á wil∞á bσ throwε away¼á s∩ wha⌠á i⌠á i≤ ì
doesn'⌠ matter. Space-bar is convenient.

.cp5
     Yo⌡á caε changσ onσ paramete≥ eacΦ timσ consolσá commanΣá i≤ ì
invoked«á Usuall∙ that'≤ t∩ changσ thσ coderate¼ bu⌠ yo⌡ caε typσ ì
iεá an∙ onσ oµ thσ othe≥ command≤ t∩ changσ aε optioεá o≥á invokσ ì
anothe≥ mode« Hi⌠ <return╛ wheε you'vσ donσ so.

.cp5
     Iµá yo⌡ changσ you≥ mind¼á yo⌡ caε g∩ bacδ t∩á sendinτá modσ ì
withou⌠á changinτ anythinτ b∙ typinτ aε "emptyóá carriage-return« ì
Iµá you'vσ alread∙ typeΣ iε par⌠ oµ ß codespeed¼á backspacσá ove≥ ì
what you've typed, then hit <return> when you've erased it all.


.cp8
c. Console filename entry...

     Enter this mode by typing a '$'.

     Iεá thi≤á mode¼á yo⌡á caε typσ iε ß lis⌠á oµá filename≤á anΣ ì
commands«á Wheεá you'rσ done¼á MORSETX╘ wil∞ star⌠ goinτá througΦ ì
your list from the top. This is on-the-spot scriptwriting.

.cp5
     Whateve≥á wa≤á iεá thσ filenamσ lis⌠ wheε yo⌡ typeΣá '$ºá i≤ ì
throwε awa∙ wheε yo⌡ ente≥ thi≤ mode¼á s∩ iµ yo⌡ jus⌠ givσ i⌠á aε ì
empt∙á carriagσ returε i⌠ wil∞ immediatel∙ discove≥ tha⌠á i⌠á ha≤ ì
sen⌠ al∞ thσ file≤ yo⌡ tolΣ i⌠ about¼ anΣ g∩ bacδ t∩ CP/M.

.cp3
     Iµ yo⌡ givσ i⌠ aε ambiguou≤ filename¼ i⌠ wil∞ expanΣ i⌠ out¼ ì
theεá ruεá througΦá thσ lis⌠ oµ matchinτ file≤ tha⌠ i⌠á go⌠á froφ ì
BDOS.
.cp3
     Iµ yo⌡ givσ i⌠ ß *.SU┬ file¼á i⌠ wil∞ reaΣ tha⌠ SUBfilσá in¼ ì
treating it as a list of filenames and commands.

.cp12è     Iµá yo⌡á givσá i⌠ ß lis⌠ containinτ ß SUBfilσá o≥á ambiguou≤ ì
filename¼á the∙á wil∞á bσ expandeΣ wheε i⌠ is thei≥ turεá oεá thσ ì
list.
     For example, after you type in this list:

     paris W X
     paris 500
     morse.sub
     test.sub
     &
     <empty return>

.cp5
          MORSETX╘ wil∞ returε t∩ sendinτ modσ anΣ begiεá workinτ ì
oε you≥ list«á I⌠ wil∞ senΣ PARI╙ a⌠ you≥ presen⌠ codespeed¼ witΦ ì
extrßá whitσ spacσ anΣ witΦ thσ alphabe⌠ filte≥ on¼á theε i⌠ wil∞ ì
senΣ PARI╙ agaiε a⌠ 5░ wpφ withou⌠ filte≥ o≥ extrß space.

.cp7
     Wheε i⌠ bring≤ iε MORSE.SUB¼ though¼ it'l∞ reaΣ thσ content≤ ì
oµá tha⌠á filσ int∩ it≤ lis⌠ buffer«á That'l∞ wipσ ou⌠á thσá lis⌠ ì
entr∙ oµ TEST.SUB╗á it'l∞ neve≥ bσ seen«á It'l∞ als∩ wipσ ou⌠ thσ ì
earlie≥ entrie≤ oµ PARIS¼á anΣ thσ loo≡ characte≥ '&'« It'l∞ worδ ì
througΦ whateve≥ lis⌠ i≤ iε MORSE.SUB¼ anΣ then¼ unles≤ there'≤ ß ì
loo≡ characte≥ iε that file, g∩ home.

.cp4
     Yo⌡á caε usσ thi≤ effec⌠ t∩ ring-chaiε SU┬ file≤ foreve≥á iµ ì
yo⌡ like╗ jus⌠ bσ awarσ oµ thσ effec⌠ anΣ avoiΣ i⌠ wheε yo⌡ don'⌠ ì
wan⌠ it.

.cp5
     Iµá tha⌠á firs⌠á entr∙ haΣ beeεá PAR*.*¼á MORSETX╘á would'vσ ì
exandeΣá tha⌠ ambiguou≤ filσ specifie≥ righ⌠ oε to≡ oµá thσá lis⌠ ì
yo⌡á jus⌠ gavσ it«á You≥ ╫ anΣ ╪ commands¼á anΣ everythinτ beyonΣ ì
there, would've been wiped out, even if only PARIS matched.


.cp5
d. Morse keyboard loop...

     Ente≥á thi≤á modσ b∙ typinτ ß '!'«á Leavσ i⌠á b∙á typinτá aε ì
<escape>.

.cp4
     Iεá thi≤ mode¼á whateve≥ yo⌡ typσ i≤ sen⌠ ou⌠ a≤ Morsσ code« ì
There'≤áá ßá lis⌠á oµá commonly-useΣá prosign≤á anΣá thσáá typinτ ì
character≤ t∩ whicΦ they'rσ mapped¼á alonτ witΦ thσ modσá legend¼ ì
when you first enter the mode.
.cp5
     N∩á softwarσ bufferinτ mean≤ jus⌠ that«á You'vσ go⌠ whateve≥ ì
bufferinτá you≥á hardwarσá o≥ you≥ BIO╙á provides«á Iµá yo⌡á typσ ì
furthe≥ aheaΣ thaε that¼ you'l∞ ge⌠ los⌠ characters« I⌠ shoulΣ bσ ì
eas∙á t∩ seσ wheε tha⌠ happens╗á thσ character≤ won'⌠ sho≈ u≡á oε ì
your screen.
.cp4
     Usσá thσá <carriagσá return╛ t∩ kee≡á thσá typeΣá linσá froφ ì
wrappinτá arounΣá oε you≥ screen«á Iε thi≤ 1.░á releasσá version¼ ì
there's no word-wrap.


.cp7èe. Ditrate test mode...

     Ente≥á thi≤á modσá b∙ typinτ ß ^T«á Leavσ i⌠á b∙á typinτá aε ì
<escape>.
     Iε thi≤ mode¼á thσ prograφ simpl∙ send≤ aε endles≤ streaφ oµ ì
dits, just as if the dit paddle on an iambic keyer got stuck.

.cp5
     Thi≤ i≤ ß tes⌠ function¼á t∩ allo≈ yo⌡ t∩ tunσ you≥á prograφ ì
t∩á thσ correc⌠ speed-selection«á ╔ als∩ usσ i⌠ t∩ tunσ m∙ Curti≤ ì
keye≥á t∩á specifiπ codespeeds¼á holdinτ dowε m∙á dit-paddlσá anΣ ì
tweaking the speed pot until the two are more-or-less in phase.

.cp5
     Thi≤á i≤á als∩ aε eveε morσ obnoxiou≤á sounΣá thaεá straigh⌠ ì
Morsσá codσá t∩á ßá non-ham«á Iµá someonσá interfere≤á witΦá you≥ ì
practice-cop∙á session¼á presen⌠ i⌠ a≤ aε option╗á maybσá they'l∞ ì
bacδ off.



.cp11
4. Installation


a. Hardware...

     Ampr∩ Littlσ BoarΣ owner≤ havσ jus⌠ onσ piecσ oµ hardwarσ t∩ ì
cobblσ together¼á thσ noisemake≥ plug-oε (reaΣ thσ overlay╗á it'≤ ì
go⌠á ßá part≤ lis⌠ anΣ ß schematic)«á ╔ wrotσ thi≤á oεá ßá Littlσ ì
Board╗á i⌠á wil∞ ruε as-i≤ oε tha⌠ machine¼á provideΣ you≥ RS-23▓ ì
port≤ arσ wireΣ accordinτ t∩ thσ manual.


.cp12
b. About speakers...

     Fo≥á thosσá wh∩ arσ considerinτ drivinτ ßá speake≥á directl∙ ì
froφ thσ RT╙ line..«á ╔ trieΣ it¼á anΣ i⌠ doesn'⌠ worδ well«á Thσ ì
148╕ driver¼á standarΣ fo≥ RS-232¼á i≤ current-limiteΣ t∩ abou⌠ ╖ ì
milliamp≤ sourcσ o≥ sinδ current..«á no⌠ enougΦ t∩ makσ mucΦ oµ ß ì
noisσ int∩ aε 8-ohφ loaΣ througΦ eveε ß 20░ u╞ bipola≥ capacitor¼ ì
eveεá a⌠ │ KHz¼á anΣ no⌠ thσ kinΣ oµ waveforφ I'Σ wan⌠ t∩ hea≥ iε ì
headphone≤ fo≥ ver∙ long«á Iµ you'rσ desperate¼ ╔ supposσ yo⌡ caε ì
usσá ßá 1╦ » ╕ ohφ outpu⌠ transforme≥ froφ ßá junkeΣá olΣá pocke⌠ ì
radio¼ but..« (kluge!!)


.cp8
c. Software...

     Othe≥á compute≥á owner≤á wil∞ havσ t∩á changσá thσá provideΣ ì
overla∙ t∩ sui⌠ thei≥ hardware«á Thσ overla∙ contain≤ thσá timinτ ì
routines¼á s∩á yo⌡ shoulΣ bσ ablσ t∩ adap⌠ thσ prograφ t∩ ruεá oε ì
jus⌠ abou⌠ anythinτ that'l∞ makσ ß tone«á Remembe≥ t∩ changσá thσ ì
title block, please, and put your byline in too.

.cp8è     Onσ iteφ t∩ watcΦ ou⌠ for¼á eveε iµ you'rσ usinτ ß Z8░á DAR╘ ì
anΣ wigglinτ RTS¼á i≤ thσ default-conditioε valuσ useΣ iε KYSTBR« ì
Yo⌡á migh⌠ havσ t∩ changσ thσ transmitted-character-lengtΦá bits¼ ì
o≥ raisσ DTR¼á t∩ matcΦ ho≈ you≥ BIO╙ set≤ tha⌠ port« Whateve≥ i⌠ ì
take≤á t∩á makσá you≥ modeφ o≥ printe≥ happy¼á wheεá you'rσá donσ ì
listening¼ shoulΣ bσ thσ key-u≡ no-sounΣ value¼ s∩ yo⌡ won'⌠ havσ ì
to reboot or reconfigure after each session.


.cp6
d. Codespeed...

     Don'⌠á forge⌠á t∩ se⌠ CLOC╦ t∩á you≥á system'≤á master-clocδ ì
frequency«á Oεá thσá Ampro¼á that'≤ ┤ MHz¼á s∩ you'l∞ finΣá '40'« ì
Changσá i⌠ t∩ suit¼á otherwisσ wha⌠ yo⌡ thinδ i≤ 2╡ wpφ coulΣá bσ ì
12.╡ wpm«
.cp5
     Iµá you≥ CPU'≤ timinτ differ≤ froφ tha⌠ oµ thσ Z80¼á aε eas∙ ì
wa∙ t∩ tunσ thσ speeΣ i≤ b∙ changinτ thi≤ value«á Jus⌠ bσ surσ t∩ ì
makσ ß notσ oµ tha⌠ iε you≥ overla∙ file¼á s∩ a≤ no⌠ t∩ thro≈ ofµ ì
an∙á othe≥á user≤ oµ you≥ processo≥ wh∩ migh⌠ makσá usσá oµá you≥ ì
overlay.

.cp6
     Iµá yo⌡ havσ aε even⌠ timer¼á o≥ ß frequenc∙ counte≥ witΦá ß ì
gooΣ upscaler¼á tr∙ usinτ thσ Ditratσ Tes⌠ Modσ (invokeΣ witΦ ^T⌐ ì
anΣá measurinτá thσ di⌠ frequenc∙ directl∙ a⌠ thσ RS-23▓á contro∞ ì
linσá (througΦá aε attenuator-- that'≤ aεá 1╕á vol⌠á peak-to-peaδ ì
signal!) rather than mess about with PARIS and a stopwatch.


.cp8
e. Beyond the overlay...

     I'vσá trieΣ t∩ kee≡ thσ overla∙ simple¼á oε thσ premisσ tha⌠ ì
mos⌠á user≤á wil∞ wan⌠ t∩ pokσ anΣ go¼á usinτ thσá samσá kinΣá oµ ì
hardwarσá implementation«á KYSTB╥á  anΣ CSE╬ shoulΣá adap⌠á quitσ ì
readil∙ t∩ UART≤ sucΦ a≤ thσ 825▒ anΣ thσ CDP1854«á Therσá reall∙ ì
isn'⌠ mucΦ t∩ change¼ no⌠ compareΣ witΦ majo≥ work≤ likσ MDM740.

.cp6
     I'φ als∩ releasinτ MORSETXT.AQM¼ t∩ thσ samσ board≤ t∩ whicΦ ì
╔á releasσ thi≤ librar∙ file«á I'φ doinτ thi≤ separatel∙ s∩á tha⌠ ì
BB╙ system≤ witΦ tigh⌠ disk-spacσ budget≤ caε deletσ tha⌠ onσ anΣ ì
preservσ thi≤ file«á I'vσ commenteΣ i⌠ reasonabl∙ wel∞ (╔ believσ ì
"ratchet-jaw" is the operative description).

.cp4
     Iµ yo⌡ havσ t∩ ge⌠ int∩ thσ DI╘ anΣ DA╚ routine≤ t∩ completσ ì
you≥á installatioεá (yo⌡ reall∙ wan⌠ t∩ usσ tha⌠á speaker¼á eh?)¼ ì
looδ fo≥ ß boarΣ wherσ the∙ haven'⌠ doggeΣ out MORSETXT.AQ═ yet.

.cp3
     Bσá awarσá tha⌠á E╙ anΣ SPAC┼ als∩ acces≤ KE┘á anΣá UNKEY..« ì
you'll have to go in and tamper with them too.

.cp5
     Tr∙áá t∩á preservσá thσá consolσá statu≤á tes⌠á afte≥áá eacΦ ì
character..«áá ╔áá installeΣá direct-consolσá BDO╙áá calls¼áá anΣ ì
implementeΣ a homebre≈ tab-expansioε routine¼ jus⌠ s∩ thσ prograφ ì
would get a character as soon as possible after it was typed.

.cp9è     (DiΣá yo⌡á kno≈ tha⌠ BDO╙ sneak≤á ofµá witΦá console-entereΣ ì
character≤á wheneve≥ i⌠ gets t∩ senΣ somethinτ ou⌠ witΦá functioε ì
2¼á theεá coyl∙á wait≤á fo≥ yo⌡ t∩ asδ I╘ fo≥á theφá witΦá statu≤ ì
functioεá 0BΦ o≥ inpu⌠ functioε 1┐á I⌠ tooδ mσ ß whilσ t∩á figurσ ì
tha⌠á onσ outíá ╔ wa≤ gettinτ olΣ scra≡ typeΣ character≤ iεá somσ ì
prett∙á strangσ place≤ iε thσ program¼á anΣ it'Σ takσ ß couplσ oµ ì
trie≤ fo≥ mσ t∩ ge⌠ ß togglσ invoked«á That'≤ onσ reasoε fo≥á thσ ì
periodic console-port input flush, FLOOSH.)


.cp19
5. Operation


1. Startup
-and-
2. Sending Mode:

     ***----MORSETXT.COM v1.0-----***   If your screen shows a
     *                              *    higher v-number, look
     *   International Morse Code   *    for a manual that has
     *  transmitter for text files  *    that number.
     *  Ampro Little Board version  *   Your version may be
     *    via Port B's HSO line     *    different. It should
     *                              *    match your computer.
     ***-- --CHR$(13)23AUG85------***


.cp11
What MORSETXT is doing:

     Sending the test string (TEST DE WB1HKU/6 <ar>) at 20 wpm
      (if you don't hear any Morse code now, something's wrong)
          -then-
     Findinτ you≥ filσ iµ yo⌡ declareΣ onσ
      (otherwise¼ goinτ bacδ to CP/M)
          -then
     Sending your file(s).
      (Thσácharacter≤áarσ displayeΣ oε thσ screeε a≤áthe∙áarσ ì
áááááááááásen⌠.)

.cp13
What commands you can use:

     ^C                  Stop and quit right now.
     ^X                  Skip to the next item.
     ^T                  Go to ditrate test mode.
     <space>             Go to console command mode.
     $                   Go to console filename entry mode.
     !                   Go to the Morse keyboard loop.
     P                   Toggle the multiple-space filter.
     W                   Toggle the white-space option.
     X                   Toggle the extended-alphabet toggle.
     <any other key>     Go to console command mode.

.cp21è3. Console Command Mode:                Entry command: any
                                         unrecognized key

     ***------CONSOLE COMMAND------***
     * Option Switches supported:    *
     *   X = Extended International  *
     *        Morse Alphabet on/off  *
     *   W = Extended intercharacter *
     *        (white) space on/off   *
     *   P = Multiple-space and      *
     *        ellipsis masks on/off  *
     *   ! = Enter Morse keyboard    *
     *        loop                   *
     *   & = Loop on present list    *
     *        until interrupted      *
     *   $ = Load new list from      *
     *        console                *
     ***-------MORSETXT v1.0-------***

     Enter either new coderate-times-ten or option switch:___


.cp3
What MORSETXT is doing:
     Waiting for you to type in a command

.cp16
What commands you can use:

     ^C                  Stop and quit right now.
     ^X                  Skip to the next item.
     ^T                  Go to ditrate test mode.
     $ <ret>             Go to console filename entry mode.
     ! <ret>             Go to the Morse keyboard loop.
     P <ret>             Toggle the multiple-space filter.
     W <ret>             Toggle the white-space option.
     X <ret>             Toggle the extended-alphabet toggle.
     ªá<ret╛             Loop foreve≥ through present list.
     <ret>               Go back to the mode you were in.

Coderate:      (example)

     250 <ret>           Continue sending, now at 25 wpm.



.cp15è4. Morse Keyboard Loop Mode:            Entry command: !

***---MORSE KEYBOARD  LOOP---***    PROSIGNS:    [ar]    @ +
*  No software  type-ahead is  *            [bt]    =
*  provided. Hit <esc> (^[) to *            [bk]    \
*  return  to  file-sending.   *            [kn]    ( ~
***------MORSETXT v1.0-------***            [sk]    #
                            [as]    * !
                            [hh]    <bs>
                            [sn]    { ^

What MORSETXT is doing:
     Waiting for you to type something.
     It will send out whatever you type, at the present coderate.

.cp9
What commands you can use:
     ^C                  Stop and quit right now.
     ^T                  Go to ditrate test mode.
     ^X                  Go to sending mode and skip to the next
                          item.
     <escape>            Return to whatever mode you were in.
     <any other
      control key>       Go to console command mode.


.cp13
5. Console Filename Entry Mode:         Entry command: $

     ***--CONSOLE FILENAME ENTRY--***
     * Enter one dr:filename.typ on *
     *  each line, followed by any  *
     * option switches or new speed *
     * as wpm times ten.  No *.SUBs *
     * or ambiguous filenames: they *
     * overwrite following  entries *
     * at expansion. An extra <cr>  *
     *  ends entry.                 *
     ***-------MORSETXT v1.0------***


.cp8
What MORSETXT is doing:
     Waiting for you to type something.
     Whateve≥á yo⌡á typσá goe≤ int∩ ß list«á Wheε yo⌡á arσá done¼ ì
ááááááááááMORSETX╘á wil∞ begiε usinτ thσ list¼á startinτá a⌠á thσ ì
áááááááááátop.

.cp8
What commands you can use:

     ^C                  Stop and quit right now.
     <backspace>         Erase the character you just typed.
     ^U                  Erase the line you're typing.

See "List Format" for what you can type into the list.

.cp17è6. Ditrate Test Mode:                   Entry command: ^T

     ***----DITRATE TEST MODE-----***
     * Cleartext Words-Per-Minute:  *
     *  dits per min / 25. (PARIS)  *
     * Random groups about 5/6 that *
     *   rate (or use CODEX test) . *
     * To exit, hit <escape>.       *
     ***-------MORSETXT v1.0------***


What MORSETXT is doing:
     Sendinτá ou⌠á ßá streaφ oµ dit≤ (equa∞ period≤ oµá tonσá anΣ ì
áááááááááásilence⌐ a⌠ thσ curren⌠ rate« Thi≤ i≤ thσ samσ a≤ iµ aε ì
ááááááááááelectronic keyer had its dit paddle held down.á ì

.cp10
What commands you can use:

     ^C                       Stop and quit right now.
     ^X                       Go skip to the next file entry.
     <escape>                 G∩á bacδá t∩ wha⌠á yo⌡á werσá doinτ ì
áááááááááááááááááááááááááááááá(excep⌠áá consolσáá commanΣáá mode║ ì
ááááááááááááááááááááááááááááááyou'l∞á probabl∙ g∩ bacδ t∩ sendinτ ì
áááááááááááááááááááááááááááááámode.⌐
     <any other key>          Go to console command mode.

.cp6
7. List Format:

     Thσ lis⌠ forma⌠ applie≤ botΦ t∩ wha⌠ yo⌡ typσ durinτ Consolσ ì
Filenamσá Entr∙á mode¼á anΣá wha⌠ yo⌡ typσ int∩ ßá SU┬á filσá fo≥ ì
MORSETXT.

.cp10
a. Files:
     You can list files in these ways...

     paris
     b:paris
     myfile.txt
     a:myfile.txt

     Each filename must be on a separate line.

.cp9
     You≥á filenamσá mus⌠á no⌠á begiε witΦá onσá oµá thσá commanΣ ì
characters '!' , '$' or '&'.

     &test.txt                (findinτá '&'¼á MORSETX╘ rewind≤ t∩ ì
ááááááááááááááááááááááááááááááthe start of the list.)
     renamed to:
     test&.tx⌠á                (MORSETX╘áfind≤áanΣásend≤áthσ file.)


.cp7è     !gudqso.fil              (findinτá '!'¼áá MORSETX╘á goe≤á t∩ ì
ááááááááááááááááááááááááááááááMorsσá keyboarΣá entr∙á mode«á Wheε ì
ááááááááááááááááááááááááááááááthat'≤á done¼á i⌠á trie≤ t∩ finΣá ß ì
ááááááááááááááááááááááááááááááfile called GUDQSO.FIL.)
     renamed to:
     gudqso!.fil              (finds and sends the file.)


.cp7
     $moneyta.lks             (findinτá '$'¼áá MORSETX╘á goe≤á t∩ ì
ááááááááááááááááááááááááááááááconsolσáá filenamσáá entr∙ááá mode« ì
ááááááááááááááááááááááááááááááEverythinτá oε thσ lis⌠ beforσ thi≤ ì
ááááááááááááááááááááááááááááááhappen≤ i≤ discarded.)
     renamed to:
     money$ta.lks             (finds and sends the file.)



.cp9
b. Coderate:
     Yo⌡á caεá specif∙ thσ coderatσ a⌠ whicΦ ß filσ i≤ sen⌠á likσ ì
this:

     myfile.txt 250           (myfile.txt will be sent at 25 wpm)
     myfile.txt 25.0          (same thing╗á MORSETX╘ ignore≤á thσ ì
ááááááááááááááááááááááááááááááááááádecima∞á poin⌠ wheε it'≤ iεá ß ì
ááááááááááááááááááááááááááááááááááálist.)

.cp14
     Thσ coderatσ (time≤ ten⌐ follow≤ thσ filσ it'≤ mean⌠ for¼ oε ì
the same typed line.
     If you type in the code rate like this:

     myfile.txt
     250

     MORSETX╘á wil∞á senΣá MYFILE.TX╘ a⌠ whateve≥á speeΣá i⌠á wa≤ ì
sendinτá before¼á theεá g∩ tr∙ t∩ finΣ ß filσ calleΣá '250'«á Thσ ì
result is:

     BDOS can't find my file: 250
A>


.cp8
c. Option toggles:

     Toggle commands also follow the filename they're meant for.

     myfile.txt w p
     myfile.txt 220 x
     myfile.txt pw 50


.cp17èd. Command characters:

     Thesσá may bσ pu⌠ anywhere«á The∙ arσ obeyeΣ wheεá the∙á arσ ì
found«á The∙ ma∙ no⌠ bσ followeΣ iε thσ samσ linσ b∙ coderate≤ o≥ ì
optioε toggles.

     myfile.txt               (MORSETX╘ find≤ anΣ send≤ thσ file« ì
ááááá!ááááááááááááááááááááááááTheεá i⌠á goe≤ int∩ Morsσá keyboarΣ ì
ááááá&ááááááááááááááááááááááááentr∙á mode«á Theε i⌠ doe≤á i⌠á al∞ ì
ááááááááááááááááááááááááááááááover again and again and again...)

     myfile.txt ! &           (same thing.)

     myfile.txt pw 250 ! &    (samσ thing¼ sendinτ thσ filσ a⌠ 2╡ ì
ááááááááááááááááááááááááááááááwpφ witΦ extrß spacσ anΣ al∞ space≤ ì
áááááááááááááááááááááááááááááásent.)



.cp7
6. Use

a. Novice

     Iµ you'rσ jus⌠ learninτ thσ code¼á reaΣ thσ discussioε unde≥ ì
"white space" up in the Defaults section.

.cp6
     Morsσá codσ i≤ ß sound-extensioε oµ writteεá English..«á yo⌡ ì
havσ t∩ writσ i⌠ a≤ wel∞ a≤ read it¼á fo≥ it≤ usσ t∩ sinδ in« Usσ ì
thσ Morsσ keyboarΣ loo≡ mode¼á runninτ a⌠ 1░ wpm¼á  t∩á initiall∙ ì
learε thσ sound≤ oµ thσ letters«á SenΣ manually¼ too¼ though╗ thσ ì
hand-mind learning link is a lot more direct that way.

.cp4
     Iµ yo⌡ caε pu⌠ togethe≥ ß straigh⌠ ke∙ (telegrapΦ key⌐ anΣ ß ì
code-practicσ oscillator¼ d∩ so« Radi∩ Shacδ sell≤ ß setu≡ witΦ ß ì
straight key and a buzzer; that'll do in a pinch.

.cp6
     Iµá yo⌡ caε ge⌠ aε electroniπ keye≥ anΣ somσ iambiπá paddle≤ ì
(thσá kinΣá oµá ke∙ witΦ tw∩ separatσ levers)¼á that'l∞á bσá eveε ì
better«á Thσá keye≥á circui⌠ turn≤ you≥ tap≤ oµ thσ di⌠á anΣá daΦ ì
paddle≤á int∩á properl∙ timeΣ anΣ spaceΣ dit≤ anΣ dahs«á Yo⌡á ma∙ ì
wel∞á senΣ extras¼á bu⌠ they'l∞ al∞ bσ dit≤ o≥ dahs¼á nothinτá iε ì
between.
.cp6
     ╔á kno≈á froφ experiencσ tha⌠ hearinτ properl∙á formeΣá codσ ì
cominτ froφ you≥ fingertip≤ i≤ thσ  bes⌠ feedback-programminτ yo⌡ ì
caε ge⌠ fo≥ prope≥ sendinτ oε ß straigh⌠ key« ╔ caε cal∞ somebod∙ ì
somethinτ horriblσ a⌠ 1╡ wpφ oε thσ horε buttoε oµ m∙á motorcyclσ ì
now¼ anΣ senΣ cleanly¼ sincσ I'vσ beeε usinτ m∙ Benche≥ paddles.

.cp10è     Wheεá you'rσá playinτ ou⌠ file≤á witΦá MORSETXT¼á pusΦá you≥ ì
codespeed¼á withou⌠á allowinτ yourselµ t∩ ge⌠ anxiou≤ abou⌠ soliΣ ì
copy«á Noticσá that¼á thσá morσ you≥á "earóá (you≥á subconscious⌐ ì
adjust≤á t∩ thσ highe≥ speeds¼á thσ bette≥ you≥ cop∙ ratσ get≤ a⌠ ì
thσ lowe≥ speeds« Kee≡ pushing« Thi≤ i≤ aε areß wherσ persistencσ ì
anΣá commitmen⌠á pa∙ ofµ ove≥ intelligence«á ╔ know╗á I'φ ßá laz∙ ì
smart-ass, and I'm speaking from both observation and experience.
     Don'⌠ star⌠ ou⌠ an∙ lowe≥ thaε 7.╡ wpm╗ it'≤ to∩ temptinτ t∩ ì
coun⌠ dit≤ a⌠ tha⌠ rate.

.cp8
     Iµ you'rσ jus⌠ gettinτ int∩ Morsσ codσ anΣ amateu≥ radi∩ fo≥ ì
thσ firs⌠ time¼ ╔ sugges⌠ yo⌡ d∩ wha⌠ ╔ did║ takσ onσ oµ thσ ARR╠ ì
Novicσ classes«á Herσ iε thσ Saε Fernand∩ Valley¼ thσ SF╓ Amateu≥ ì
Radi∩á CluΓá conduct≤ weekl∙ classes¼á witΦ testinτá wheεá you'rσ ì
ready«á Thosσá classe≤á arσ revolving¼á anΣ the∙ neve≥á stop«á A⌠ ì
present¼á they'rσá als∩á FREE¼á onσ oµ thσ bes⌠ bargain≤á oµá thσ ì
century«á

.cp5
     Iµá there'≤ ß haφ cluΓ iε you≥ area¼á seσ iµ they'rσá givinτ ì
Novicσ classes«á Iµ not¼á yo⌡ migh⌠ g∩ t∩ onσ oµ thσ meeting≤ anΣ ì
tel∞á theφ tha⌠ you'rσ lookinτ fo≥ aε Elmer«á (Asδ somebod∙ abou⌠ ì
this if you're skeptical --I'm not setting you up!)

.cp9
     Aεá Elme≥á i≤ aε olde≥ haφ who'l∞ hel≡á ßá younge≥á ham¼á o≥ ì
almost-ham¼á ge⌠á her/hi≤á licensσá anΣ theεá ge⌠á his/he≥á radi∩ ì
statioε se⌠ up..« b∙ wa∙ oµ payinτ bacδ thσ haφ communit∙ fo≥ thσ ì
hel≡ hσ go⌠ froφ hi≤ Elme≥ bacδ wheε hσ wa≤ jus⌠ starting« It'≤ ß ì
traditioε tha⌠ goe≤ bacδ t∩ thσ beginninτ oµ amateu≥ radio«á It'≤ ì
als∩á aεá excellen⌠á connectioε int∩á ßá world-widσá good-old-bo∙ ì
networδá tha⌠á welcome≤ femalσ member≤ (seσ thσ Y╠ pagσá iεá eacΦ ì
month'≤ QST).

.cp10
     ╔ sugges⌠ thσ outsidσ help¼á first¼á becausσ you'l∞ learε aε ì
awfu∞á lo⌠á abou⌠ radio¼á technica∞ practice≤ anΣá communication≤ ì
jus⌠á froφá hanginτá arounΣá experienceΣá hams╗á second¼á becausσ ì
they'l∞á hel≡ yo⌡ t∩ makσ SUR┼ yo⌡ ge⌠ tha⌠ license«á It'≤ ßá lo⌠ ì
harde≥ wheε yo⌡ jus⌠ havσ ß booδ t∩ teacΦ yo⌡ thσ theor∙ anΣá thσ ì
rules and regulations.

     (p.s«áá Thanks¼á K1P─á ªá ChelmsforΣá ªá Honeywel∞á ARC≤á iε ì
Billerica╗ the∙ ElmereΣ me« 73!)


.cp8
b. General

     Iµ you'rσ gunninτ fo≥ you≥ General¼ yo⌡ alread∙ kno≈ mos⌠ oµ ì
wha⌠á I'vσá haΣ t∩ sa∙ t∩ thσ will-bσ Novices«á Thσ bes⌠á offhanΣ ì
advicσ ╔ caε pas≤ oε is¼á star⌠ a⌠ 1╡ wpφ witΦ n∩ whitespace¼ anΣ ì
ge⌠á useΣá t∩ it«á Practicσ sendinτ a⌠ tha⌠ speeΣ anΣá highe≥á iµ ì
you'rσ no⌠ oε thσ ai≥ much¼á usinτ thσ ditratσ tes⌠ modσ t∩ checδ ì
you≥ keye≥ speed« Ge⌠ useΣ t∩ livinτ a⌠ tha⌠ speed«

.cp4è     Iµá you'rσá operating¼á sticδá mainl∙á t∩á thσá higher-speeΣ ì
callers«á Iµ there'≤ nobod∙ sendinτ abovσ ╖ wpφ anΣ you'rσ itchy¼ ì
that'≤ thσ timσ t∩ breaδ ou⌠ MORSETXT.

.cp5
     ReaΣá thσ sectioε oε "higher-speeΣ useó iµ you'rσ usinτá thσ ì
piez∩ oscillator..« I⌠ wil∞ probabl∙ pa∙ yo⌡ t∩ hooδ thσ compute≥ ì
u≡ t∩ you≥ keyer'≤ straight-ke∙ inpu⌠ s∩ tha⌠ yo⌡ caε listeε t∩ ß ì
les≤á aggravatinτ tone«á Thσ key-click≤ iε minσ makσ i⌠ les≤ thaε ì
copyable above 18 wpm, although a shunt capacitor helps.
.cp4
     Collec⌠á (anΣá write⌐á QS╧ files,á s∩ yo⌡á ge⌠á practicσá iε ì
hearinτá prosign≤ anΣ abbreviations«á Thσ tes⌠á ha≤á those╗á the∙ ì
threw me off the first time.

.cp10
     Practicσá botΦá head-cop∙ anΣ pape≥ copy«á Iµ yo⌡á caεá typσ ì
decentl∙ (I'φ ß two-finge≥ pounder)¼á cop∙ oε thσ typwriter«á Thσ ì
tes⌠á ha≤ question≤ oε thσ QS╧ tha⌠ they'vσ played¼á bu⌠á they'l∞ ì
als∩á pas≤ yo⌡ iµ you'vσ go⌠ ß certaiε numbe≥ oµ character≤ iεá ß ì
ro≈á copieΣ correctly«á  A⌠ leas⌠ practicσ takinτ note≤ (fo≥ you≥ ì
log-book?)¼á s∩ you'l∞ bσ read∙ t∩ pul∞ ou⌠ thσ specific≤ oµá thσ ì
QS╧á anΣ pluτ 'eφ int∩ thσ exaφ shee⌠ wheε thσ exaφ tapσ i≤á ove≥ ì
and the sheets are passed out.
     Best of luck to you too.


.cp7
c. Extra

     An∙á Extrßá wh∩á caεá suppl∙ thi≤á section¼á baseΣá oεá you≥ ì
experience¼ááá witΦáá o≥áá withou⌠áá computer-assisteΣáá learninτ ì
techniques¼á pleasσá do¼á anΣá senΣá mσ ß cop∙ vißá thσá callbooδ ì
address« Al∞ ╔ caε sa∙ herσ is¼ reaΣ thσ nex⌠ section« --WB1HKU/6


.cp9
d. High-speed use

     Thσá piez∩á oscillato≥ calleΣ ou⌠ iε thσá schematiπá iεá thσ ì
overla∙ i≤ ß gooΣ beginning¼á bu⌠ it≤ sounΣ interfere≤ witΦ copy-ì
practice«á A⌠á 3.╡á KHz¼á i⌠ i≤ simpl∙ to∩á strident«á Grea⌠á fo≥ ì
Morsσá prograφá statu≤ signallinτ iε ß factor∙ environmen⌠á (I'vσ ì
useΣ onσ tha⌠ way¼á anΣ i⌠ doe≤ cu⌠ througΦ thσ hum)¼á bu⌠ no⌠ s∩ ì
pleasan⌠ fo≥ rea∞ listening.

.cp9
     Fo≥áá high-speeΣá listening¼áá unde≥á simulateΣáá on-the-ai≥ ì
conditions¼á i⌠á i≤á bes⌠á t∩á havσ ßá keyeΣá oscillato≥á runninτ ì
somewherσ betweeε 50░ H· anΣ ▓ KHz«á Heathki⌠ persist≤ iε puttinτ ì
70░áH·  sidetonσ oscillator≤ iε thei≥ amateu≥á rigs..«á that'≤á ß ì
gooΣ copiablσ pitch¼ provideΣ thσ signa∞ isn'⌠ ß square-wave« Fo≥ ì
seriou≤ cop∙ speeΣ improvemen⌠ abovσ 1╡ wpm¼ you'l∞ havσ t∩ drivσ ì
somethinτá  tha⌠á produce≤ ß mello≈ sounΣ eveε wheε it'≤á puttinτ ì
ou⌠ thσ restles≤ rhythm≤ oµ Morsσ code.

.cp5
     Drivinτá ß piez∩ oscillato≥ witΦ thσá RS23▓á line¼á however¼ ì
doe≤á morσ thaε providσ ß quick-and-dirt∙ solutioε t∩ gettinτ thσ ì
compute≥á t∩á makσ ß sound..«á i⌠ als∩ bypasse≤á thσá probleφá oµ ì
interfacσ voltage levels.
è.cp10
     Thσá 148╕ iε thσ Ampr∩ i≤ feΣ +1▓ anΣ -1▓ volts«á Thi≤ mean≤ ì
tha⌠á it≤ output¼á lightl∙ loaded¼á wil∞ sna≡ betweeε +╣á anΣá -╣ ì
volts«á It'≤á current-limiteΣá a⌠ ╖ - 1░á milliamps¼á bu⌠á that'≤ ì
enougΦá t∩á blo≈á ou⌠ botΦ sets¼á uppe≥á anΣá lower¼á oµá static-ì
protectioεá diode≤ iε ß norma∞ CMO╙ gate«á That'≤ als∩ slo≈ deatΦ ì
fo≥ ß bipola≥ transistor¼ becausσ i⌠ hurt≤ i⌠ t∩ havσ eveε ╡ o≥ ╢ ì
volt≤ back-bia≤ oε thσ emitter-basσ junction..« i⌠ behave≤ likσ ß ì
Zene≥ diode¼ heat≤ up¼ anΣ thσ transistor'≤ gaiε goe≤ permanentl∙ ì
down.

.cp3
     Feedinτá thσá RS23▓ linσ int∩ ß norma∞á oscillator'≤á input¼ ì
then¼á i≤ ß problem«á

.cp6
     Onσ wa∙ i≤ t∩ usσ ß JFE╘ a≤ thσ inpu⌠ device« Givσ i⌠ ß gooΣ ì
stifµ bia≤ resistor¼á say¼á ß megohm¼ returneΣ t∩ VdΣ (thσ power-ì
suppl∙ rail¼á bσ tha⌠ +V¼á -╓ o≥ ground¼á toward≤ whicΦ thσ draiε ì
lead'≤ curren⌠ goes)¼á s∩ that¼á witΦ aε opeε input¼ thσ FE╘ wil∞ ì
turε oε hard.

.cp7
     No≈ hooδ ß diodσ iε serie≤ witΦ thσ inpu⌠ -- ß 1N91┤ wil∞ d∩ ì
-- arrangeΣ s∩ tha⌠ onσ oµ thσ tw∩ diodes¼á thσ signa∞ diodσá anΣ ì
thσá base-channe∞á junctioε oµ thσ FET¼á i≤á alway≤á back-biased« ì
This'l∞á kee≡ gatσ curren⌠ froφ blowinτ ou⌠ thσ FET«á (Otherwise¼ ì
thσ FE╘ chi≡ wil∞ survive╗ it≤ littlσ interna∞ bondinτ leaΣ might ì
ac⌠ likσ ß fuse¼ though.)

.cp8
     Thσá FE╘ caε havσ it≤ sourcσ leaΣ returneΣ directl∙á t∩á Vs≤ ì
(thσá source-leaΣá suppl∙ rail⌐ iµ it≤ draiε i≤ drivinτá ßá logiπ ì
inpu⌠á (CMO╙ o≥ bipolar)«á Iµ it'≤ drivinτ ß bipola≥á transistor¼ ì
whethe≥á that'≤á ßá Darlingtoε o≥ not¼á you'l∞ havσ t∩ pu⌠á iεá ß ì
sourcσ resisto≥ t∩ limi⌠ thσ saturatioε current« Eithe≥ way¼ thi≤ ì
wil∞á havσ n∩ effec⌠ oε thσ FET'≤ biasing¼á provideΣá thσá cutofµ ì
statσ oµ thσ RS23▓ linσ i≤ severa∞ volt≤ outsidσ oµ Vss«

.cp7
     Thσ FE╘ shoulΣ bσ full∙ pinched-ofµ wheε UNKE┘ switche≤ tha⌠ ì
contro∞á line«á Thσá breakdowε voltagσ oµ thσ gatσá i≤á typicall∙ ì
somewherσá abovσ 3░ volts..«á morσ thaε enougΦ fo≥ ou≥á purposes« ì
Thσá diodσá shoulΣá blocδ an∙ curren⌠á iεá thσá othe≥á direction¼ ì
allowinτ thσ gate-bia≤ resisto≥ t∩ drivσ thσ FE╘ int∩ saturation¼ ì
wheε KE┘ switche≤ thσ line.

.cp8
     I'φ beinτ  ambiguou≤ abou⌠ whicΦ typσ oµ JFE╘ t∩ get¼ simpl∙ ì
becausσ whethe≥ you'l∞ usσ aε N-channe∞ devicσ sucΦ a≤ aε MPF-10▓ ì
o≥á ßá P-channe∞ devicσ sucΦ a≤ aε MPF-16▒ i≤ determineΣ b∙á you≥ ì
RS23▓ line..« Iµ you≥ key-dowε send-a-tone-no≈ voltagσ i≤ ß mark¼ ì
>╜ +│ volt≤ referenceΣ t∩ thσ RS23▓ grounΣ a⌠ piε 7¼á you'l∞ neeΣ ì
aε N-channe∞ device« Otherwise¼ ß P-channel« (Thσ releasσ versioε ì
of MORSETXT will require a P-channel device.)

.cp5
     Thσá FE╘ shoulΣ worδ int∩ ß draiε resisto≥ returneΣ t∩á Vdd¼ ì
eveεá iµá it≤á curren⌠ i≤ beinτ dumpeΣ straigh⌠á int∩á ßá bipola≥ ì
transistor'≤ base«á Thi≤ resisto≥ wil∞ kee≡ leakagσ (n∩ JFE╘ eve≥ ì
fully turns off) from turning on the oscillator.

.cp2è     Fo≥ thosσ witΦ morσ chip≤ thaε time¼á Nationa∞ Semiconducto≥ ì
make≤á ßá gooΣ device¼á thσ 74C914«á
.cp4
     Thi≤ i≤ ß series-4000-typσ CMO╙ he° Schmitt-trigge≥ inverte≥ ì
witΦá ß specia∞ inpu⌠ protectioε networδ design«á EacΦ inpu⌠á caε ì
safel∙á accep⌠ inpu⌠ voltage≤ u≡ t∩ 2╡ volt≤ eithe≥ wa∙ froφá it≤ ì
grounΣ line«
.cp6
     Givσá i⌠á ß ▒ megohφ ground-bia≤ resisto≥ anΣ ßá 47δá serie≤ ì
inpu⌠á resistor¼á anΣá you'rσá al∞ se⌠ t∩ feeΣ i⌠á RS23▓á levels« ì
Simpl∙ grounΣ thσ unuseΣ inputs«á (That'≤ ho≈ ╔ installeΣ R╔á anΣ ì
DC─á oεá m∙á Ampro.⌐ NeeΣ thσ logiπá sensσá reversed┐á Chaiεá onσ ì
inverter'≤á outpu⌠ througΦ anothe≥ onσ oε it≤ wa∙ t∩ wha⌠á you'rσ ì
keying«
.cp5
     Jus⌠á remembe≥ wha⌠ Schmit⌠ trigger≤ d∩ fo≥ ßá living..«á iµ ì
yo⌡ neeΣ t∩ pu⌠ iε somσ key-clicδ filtration¼ d∩ i⌠ oε thσ outpu⌠ ì
oµ thσ 74C914«á Whateve≥ thσ inpu⌠ signa∞ look≤ like¼á it'l∞ comσ ì
ou⌠ oµ tha⌠ devicσ nicel∙ squared.


.cp8
     Iµ you'rσ sendinτ thσ contro∞ linσ int∩ ß musiπ synthesizer¼ ì
a≤á ╔á d∩á fo≥ tapes¼á you'l∞ probabl∙á havσá massivσá keyclicks« ì
Whethe≥á yo⌡ ke∙ thσ oscillato≥ oε anΣ ofµ o≥ contro∞ i⌠á witΦá ß ì
VCA¼ thσ RS23▓ line'≤ rise- anΣ fall-time≤ arσ fas⌠ enougΦ t∩ cu⌠ ì
ofµá thσá oscillatioε abruptl∙ iε mid-cycle¼á anΣá probabl∙á fas⌠ ì
enougΦá t∩á couplσ int∩ thσ signa∞ channe∞ t∩ bσ amplifieΣá a≤á ß ì
noisσ spike.

.cp4
     Iεá thi≤ case¼á you'l∞ neeΣ t∩ dam≡ thσ RS23▓ outpu⌠ witΦá ß ì
capacitor«á It'≤á current-limited¼á s∩ yo⌡ can'⌠ hur⌠ i⌠ b∙ doinτ ì
this¼á anΣá iεá fac⌠ thσ RS23▓ speπ call≤ fo≥ thosσ line≤á t∩á bσ ì
damped with 300 pF caps at the source.
.cp3
     Fo≥ you≥ purpose¼á though¼ you'l∞ neeΣ ß large≥ value« Star⌠ ì
witΦ ß 0.▒ mfΣ ca≡ anΣ g∩ up«á Ruε MORSETX╘ a⌠ 2░ wpφ o≥á better¼ ì
s∩á thσ keyclick≤ wil∞ bσ morσ noticeable«á
.cp8
     Iµá yo⌡ caε tweaδ thσ circui⌠ whilσ watchinτ witΦ ßá 'scope¼ ì
pu⌠á iε whateve≥ valuσ oµ nonpola≥ capacito≥ wil∞ givσ yo⌡ ßá 2-╡ ì
milliseconΣ slope«á Otherwise¼á kee≡ tryinτ fo≥ ß maximuφ ratσ a⌠ ì
whicΦ yo⌡ caε hea≥ thσ baud≤ iε thσ code« To∩ littlσ capacitance¼ ì
anΣ thσ keyclick≤ garblσ thσ codσ int∩ ß rasp∙ gargle«á To∩ much¼ ì
anΣ thσ higher-speeΣ baud≤ softeε anΣ blu≥ together¼ neve≥ reall∙ ì
turninτ full∙ oε o≥ off« (1.░ u╞ seem≤ ß gooΣ value.)

.cp7
     Fo≥ bes⌠ result≤ witΦ ß synthesizer¼á mi° togethe≥ abou⌠ 75Ñ ì
sinewave¼á 25Ñ triangle¼á a⌠ thσ samσ frequenc∙ anΣá phase«á Tha⌠ ì
sound≤ ß lo⌠ likσ ß crystal-controlleΣ C╫ signa∞ doe≤ oε thσ air« ì
Al∞ sinewave¼á anΣ it'l∞ bσ ß littlσ bi⌠ harde≥ t∩ copy¼ somewha⌠ ì
likσ ß well-tuneΣ bu⌠ overly-key-filtereΣ VF╧ riτ cominτ iε abou⌠ ì
rst 349«

.cp4
     Fo≥ ß tastσ oµ thσ sparδ days¼á modulatσ ß 120H· squarσ wavσ ì
witΦ onσ abou⌠ 5░ H· ofµ anΣ mi° iε abou⌠ 40Ñ pinδ noise¼á al∞ oµ ì
thi≤ gated through a VCA or a balanced modulator. QRI?



.cp10è7. Character Map

.cp4
     Thi≤ i≤ thσ characte≥ looδ u≡ tablσ useΣ iε MORSETXT«á I⌠ i≤ ì
sorteΣ iε ascendinτ ASCI╔ order╗ thσ characte≥ itself¼ time≤ two¼ ì
is used as the TABLE: - relative offset.

.cp8
     EacΦ tablσ entr∙ i≤  tw∩ bytes¼á ß baud-coun⌠ nibblσ plu≤ u≡ ì
t∩á thσ remainde≥  oµ tw∩ byte≤ t∩ bσ shifteΣ rightward≤ ou⌠á thσ ì
door«á A⌠ eacΦ shift¼ thσ carr∙  flaτ i≤ tested« Iµ carr∙ i≤ set¼ ì
thσ bauΣ i≤ ß dah«á Otherwise¼á it'≤ ß dit« Thσ prograφ insert≤ ß ì
di⌠ oµ silencσ afte≥ eacΦ baud«á Thσ characte≥ symbol≤á algorithφ ì
i≤á froφá ßá messagσá keye≥  prograφ iεá 7│á Magazinσá b∙á VE3CW┘ ì
("Cosmaπá Keyer")¼á originall∙ writteε fo≥ thσ  CDP1802¼á whicΦ ╔ ì
useΣ iε thσ Morse-codσ readou⌠ fo≥ TSCRT.
.cp3
     Noticσá tha⌠á thσ bit≤ arσ iε reversσ orde≥ relativσ t∩á ho≈ ì
you would read or hear the bauds. (That got me a few times.)

FX      equ     0FFh

TABLE:    db    FX,FX,FX,FX    ;NUL SOH
    db    FX,FX,FX,FX    ;STX ETX
    db    FX,FX,FX,FX    ;EOT ENQ
    db    8,50h,FX,FX    ;ACK...<sn> BEL
    db    0,80h,FX,FX    ;BS...<hh> HT
    db    0Bh,60h,FX,FX    ;LF...<al> VT
    db    15h,50h,51h,70h    ;FF...<ka> CR...<bk>
    db    FX,FX,FX,FX    ;SO SI
    db    FX,FX,FX,FX    ;DLE DC1
    db    FX,FX,FX,FX    ;DC2 DC3
    db    FX,FX,FX,FX    ;DC4 NAK
    db    FX,FX,0Ah,50h    ;SYN ETB...<ar>
    db    FX,FX,FX,FX    ;CAN EM
    db    FX,FX,FX,FX    ;SUB ESC
    db    FX,FX,FX,FX    ;FS GS
    db    FX,FX,FX,FX    ;RS US
    db    FX,FX,2,50h    ;<space> bang...<as>
    db    2Dh,60h,28h,60h    ;" #...<sk>
    db    84h,70h,21h,50h    ;$...<sx: dollarsign>
                ;%...<au: fractions follow>
    db    FX,FX,1Eh,60h    ;&...set up ES in a sub
                 ;'
    db    0Dh,50h,2Dh,60h    ;( )
    db    2,50h,0Ah,50h    ;+...<ar> *...<as>
    db    33h,60h,21h,60h    ;, -
    db    2Ah,60h,9,50h    ;. /...<fraction bar>
    db    1Fh,50h,1Eh,50h    ;0 1
    db    1Ch,50h,18h,50h    ;2 3
    db    10h,50h,0,50h    ;4 5
    db    1,50h,3,50h    ;6 7
    db    7,50h,0Fh,50h    ;8,9
    db    7,60h,15h,60h    ;: ;
    db    FX,FX,11h,50h    ;< =...<doubledash>
    db    FX,FX,0Ch,60h    ;> ?
    db    0Ah,50h,22h,FX    ;@...<ar> A
    db    41h,FX,45h,FX    ;B Cè    db    31h,FX,10h,FX    ;D E
    db    44h,FX,33h,FX    ;F G
    db    40h,FX,20h,FX    ;H I
    db    4Eh,FX,35h,FX    ;J K
    db    42h,FX,23h,FX    ;L M
    db    21h,FX,37h,FX    ;N O
    db    46h,FX,4Bh,FX    ;P Q
    db    32h,FX,30h,FX    ;R S
    db    11h,FX,34h,FX    ;T U
    db    48h,FX,36h,FX    ;V W
    db    49h,FX,4Dh,FX    ;X Y
    db    43h,FX,FX,FX    ;Z [
    db    51h,70h,FX,FX    ;\...<bk> ]
    db    8,50h,2Ch,60h    ;^ _
    db    FX,FX,22h,FX    ;accent grave, a
    db    41h,FX,45h,FX    ;b c
    db    31h,FX,10h,FX    ;d e
    db    44h,FX,33h,FX    ;f g
    db    40h,FX,20h,FX    ;h i
    db    4Eh,FX,35h,FX    ;j k
    db    42h,FX,23h,FX    ;l m
    db    21h,FX,37h,FX    ;n o
    db    46h,FX,4Bh,FX    ;p q
    db    32h,FX,30h,FX    ;r s
    db    11h,FX,34h,FX    ;t u
    db    48h,FX,36h,FX    ;v w
    db    49h,FX,4Dh,FX    ;x y
    db    43h,FX,8,50h    ;z {
    db    FX,FX,FX,FX    ;| }
    db    0Dh,50h,0,80h    ;~...<kn> DEL...<hh>

Prosigns:
         SIGN      KEY USED  MEANING
    au    %    fractions follow
        sx    $    dollar-sign
    ar    +,@,ETB    end of message or cross
    bk    \,CR    "over." (CR pre-empted in MORSETXT)
    sn    ACK,{    understand
    as    *,!    wait
    hh    BS,DEL    error
    sk    #    QSO END
    kn    (,~    go only

'&', <es>, is (best) handled as an exception.
 Inter-letter space is dah = 3 dits... space needed is 2 dits.



.cp6
8. Library List

MORSETXT.MQN   this file.

MORSETXT.DOC   a short description for WHATSFOR.

MORSETXT.OBJ   the program.è
.cp5
MRS-LB10.AQM   the samplσá overlay¼áá completσá witΦáá schematic« ì
ááááááááááááááááááááChangσá thi≤á a≤ needeΣ t∩ fi⌠ you≥á machine¼ ì
ááááááááááááááááááááretitlσá i⌠ anΣ tes⌠ it¼á theε uploaΣá i⌠á t∩ ì
ááááááááááááááááááááAmpro1 or to a home board for your machine.

.cp10
PARIS.QQQ      unsqueezed, this is a sample text file.
ááááááááááááááááááááI⌠á start≤á witΦá ß burs⌠á oµá V's¼á thσá  C╫ ì
ááááááááááááááááááááequivalen⌠ t∩ sayinτ "testing"¼á theεá count≤ ì
áááááááááááááááááááádowε t∩ 2░ iteration≤ oµ thσ worΣ PARIS«á Usσ ì
áááááááááááááááááááái⌠áá fo≥áá retuninτáá thσá timinτáá iµáá you≥ ì
ááááááááááááááááááááconfiguration'≤á timinτ parameter≤ var∙á froφ ì
ááááááááááááááááááááthosσá oµ thσ Littlσ Board«á Ruε i⌠ oncσá anΣ ì
ááááááááááááááááááááyou'l∞á kno≈á wheεá t∩á star⌠á anΣá sto≡á thσ ì
áááááááááááááááááááástopwatch.

.cp5
SAMPLQSO.QQQ   another squeezed sample.
                    Pla∙ thi≤ onσ witΦ PRETT┘ switcheΣ off¼á a⌠ ß ì
áááááááááááááááááááácomfortablσ cop∙ rate¼á thσ firs⌠á time¼á fo≥ ì
áááááááááááááááááááábes⌠á results«á Thi≤ contriveΣ QS╧á neve≥á iε ì
ááááááááááááááááááááfac⌠á occurred╗á cal∞á i⌠ weaδ humo≥á iµá yo⌡ ì
áááááááááááááááááááálike.

.cp4
MORSE.SQB      unsqueezed¼áá thi≤áá samplσá SUBfilσá use≤á PARIS¼ ì
ááááááááááááááááááááSAMPLQS╧á anΣ thi≤ filσ a≤ text«á ^╪á througΦ ì
ááááááááááááááááááááthe parts that bore you if you like.

.cp7
9. Beyond

     A≤ mentioned¼á I'φ als∩ releasinτ MORSETXT.AQ═ v1.0¼á t∩ thσ ì
samσ board≤ t∩ whicΦ ╔ releasσ thi≤ librar∙ file«á I'φ doinτ thi≤ ì
separatel∙á s∩ tha⌠ BB╙ system≤ witΦ tigh⌠ disk-spacσ budget≤ caε ì
deletσ tha⌠ onσ anΣ preservσ thi≤ file«

.cp4
     ╔ welcomσ an∙ improvements¼á majo≥ o≥ minor¼ t∩ thσ program« ì
╔á wrotσ i⌠ ou⌠ oµ need¼á anΣ embellisheΣ i⌠ witΦá thσá bell-and-ì
whistlσ function≤ ╔ though⌠ mos⌠ usefu∞ fo≥ m∙ purposes«

.cp3
     Therσ i≤ stil∞ plent∙ oµ rooφ fo≥ improvement¼á eveε withou⌠ ì
substantiall∙ changinτ thσ naturσ oµ thσ program«

.cp8
     Fo≥á onσ thing¼á MORSETX╘ a⌠ presen⌠ doesn'⌠ dea∞ witΦá use≥ ì
area≤á a⌠á all«á
     Thi≤ i≤ partl∙ duσ t∩ m∙ owε biases║á ╔ kee≡ everythinτ dowε ì
a⌠á 0║á wherσ ╔ caε kee≡ aε eyσ oε who'≤ eatinτ u≡ al∞ m∙á flopp∙ ì
disδ space« WitΦ that¼ anΣ m∙ hurr∙ t∩ pusΦ MORSETX╘ froφ projec⌠ ì
statu≤ t∩ too∞ status¼á ╔ didn'⌠ seσ an∙ neeΣ t∩ implemen⌠á user-ì
areß contro∞ iε thσ initia∞ releasσ versioε oµ thσ program.

.cp7è     Fo≥á another¼á MORSETX╘ v1.░ i≤ writteε completel∙ iεá 8080« ì
Thi≤á make≤ i⌠ universal¼á bu⌠ i⌠ doe≤ cu⌠ dowε oε it≤ to≡ speed« ì
There'≤ rooφ fo≥ ß majo≥ hacδ here¼ implementinτ aε assembly-timσ ì
optioε fo≥ thσ inclusioε oµ Z80¼ 808╡ o≥ HD6418░ opcode≤ whereve≥ ì
they'l∞á speeΣá thing≤á u≡á o≥ freσ u≡ thσá processo≥á fo≥á othe≥ ì
things.

.cp8
     Computer-specifiπ option≤ (sucΦ a≤ settinτ u≡ thσ unuseΣ CT├ ì
channe∞á t∩ interrup⌠ wheε KE┘ timσ i≤ done¼á theε goinτá ofµá t∩ ì
proces≤áá thσá nex⌠á byte⌐á wil∞á probabl∙á makσá thσáá codespeeΣ ì
increment≤á ß lo⌠ morσ linear¼á a≤ wel∞ a≤ cuttinτ dowε oεá thosσ ì
length∙ drive-acces≤ waitinτ period≤ betweeε characters«á S∩ wil∞ ì
an∙ interrupt-driveε o≥ DMA-modσ disk-recorΣ fetch¼ thougΦ that'≤ ì
morσ u≡ t∩ Ampr∩ t∩ implement.

.cp5
     Curso≥á contro∞á durinτ thσ console-interactioεá loop≤á wil∞ ì
allow, for instance, the prosign list in the  Morse Keyboard Loop
t∩ sta∙ iε onσ placσ oε thσ screen¼á WordSta≥á menu-style¼á whilσ ì
the text scrolls away under it.

.cp8
     ┴á logica∞á expansioε oµ thσ prograφ wil∞á bσá Internationa∞ ì
Morsσá receptioε anΣ decoding¼á witΦ thσ resul⌠ goinτ ou⌠ t∩ disδ ì
oεá command«á Tha⌠ woulΣ makσ thi≤ ß real-timσ tool¼á no⌠ jus⌠á ß ì
learninτá aid«á WitΦ s∩ man∙ RTTY/ASCII/MORS┼ program≤á availablσ ì
fo≥ othe≥ computers¼ i⌠ seem≤ ß shamσ fo≥ thσ picking≤ fo≥ CP/═ ª ì
ZCPR│ operator≤ t∩ bσ s∩ sparse« ╔ gues≤ it'≤ u≡ t∩ u≤ hacker≤ t∩ ì
takσ u≡ thσ slack«á

.cp10
     ['Scusσá m∙á fulmination,-- ╔ refusσ t∩ acquiescσá t∩á mediß ì
hypetype≤á wh∩ havσ stoleε tha⌠ labe∞ "hackeró anΣ applieΣ i⌠á t∩ ì
criminals«á I⌠á stil∞á mean≤á someonσ wh∩ i≤ o≥á ha≤á beeεá goinτ ì
througΦá thσá phasσá oµá learninτ t∩ prograφ wherσá the∙á takσá ß ì
hatche⌠á t∩ thσ flo≈ contro∞ oµ thei≥ owε programs¼á patchinτá iε ì
spaghettΘ jumps¼á witΦ n∩ prio≥ understandinτ oµ wha⌠ thσ result≤ ì
wil∞ be«á Soone≥ o≥ later¼á yo⌡ learε t∩ comprehenΣ thσ codσá yo⌡ ì
anΣá other≤ write¼á anΣ then¼á likσ Yankeσ Doodle¼á o≥ one'≤á olΣ ì
Novicσ callsign¼á i⌠ ha≤ becomσ ß badgσ t∩ wea≥ witΦ pride« Gimmσ ì
bacδ m∙ badge!í (grrrrr⌐ ]

.cp4
     Finally¼ fo≥ anybod∙ wh∩ want≤ ß REA╠ challenge..« Wha⌠ kinΣ ì
oµá tablσ structurσ anΣ lookup-and-senΣ algorithm≤ woulΣ i⌠á takσ ì
for a program like MORSETXT to send American Telegrapher Morse?

.cp8
     File≤á (includinτá thi≤á one⌐á witΦá filenamσá MORSETX╘á arσ ì
versioε 1.0«á When/iµ revision≤ arσ releaseΣ b∙ me¼á the∙ wil∞ bσ ì
a≤á MRSTXTnn¼á wherσ nε arσ thσ revisioε anΣ releasσ numbers«á A≤ ì
fa≥ a≤ ╔ know¼ thσ MR╙ prefi° isn'⌠ useΣ fo≥ anythinτ yet« Anyonσ ì
witΦ aε urgσ t∩ upgradσ thσ program¼á pleasσ takσ notσ anΣ follo≈ ì
suit«á Pleasσ uploaΣ an∙ improvement≤ t∩ Ampro1¼ Jerr∙ Haigwood'≤ ì
boarΣ a⌠ [phone]¼á s∩ wσ caε al∞ seσ anΣ usσ i⌠ anΣ applauΣ ì
you≥ efforts«

73 & GH all de WB1HKU/6 <sk>

..eof MORSETXT.MAN/Ampro[stuff.933]--CHR$(13)30JUN85 begun