Oakland CPM Archive/oakcpm.iso/sigm/vol120/composer.doc

Text File | 1985-02-10 | 8.8 KB | 263 lines

                    Composer Documentation

*****************************************************************

     Thi≤á disδá contain≤á thσá prograφá COMPOSER.CO═á b∙áá Chucδ ì
Chatham«  Thσ prograφ wa≤ origionall∙ designeΣ fo≥ ß Heath/ZenitΦ ì
H8╣ equippeΣ witΦ Ra∙ Albrektson'≤ sound/clocδ board«  I⌠ i≤ als∩ ì
usablσá oε othe≥ CP/═ systeφ usinτ thσ AY3-891░ PS╟ sounΣ chi≡ a⌠ ì
an∙á por⌠á addressablσ locatioε providinτ you≥á versioεá oµá CP/═ ì
include≤ ß 2m≤ clocδ a⌠ memor∙ locatioε 000Bh«á I⌠ i≤ recommendeΣ ì
tha⌠á thσá boarΣ bσ modifieΣ t∩ providσ threσá seperatσá couplinτ ì
capacitor≤á iµá no⌠á alread∙ provideΣ betweeεá thσá threσá chane∞ ì
output≤á oµá thσ AY3-891░ alonτ witΦ ß resistor  betweeε eacΦá oµ ì
pin≤ 3,4¼á anΣ 38╗á anΣ ground«á  Thσ resistor≤ shoulΣ bσ 2╦ ohm≤ ì
anΣá thσ capacitor≤ shoulΣ bσ ▒ t∩ ╡ mFΣ anΣ ma∙ bσ ╡ vol⌠á type≤ ì
witΦá thσá positivσ termina∞ connecteΣ t∩ thσ PS╟ chip'≤á output«  ì
Iµá thσá threσ outpu⌠ channel≤ arσ lef⌠ tieΣá togethe≥á witΦá onσ ì
resisto≥ anΣ couplinτ capacitor¼á therσ wil∞ bσ aε extremel∙ higΦ ì
leve∞áá oµá distortioεá wheεá multiplσá channel≤á arσá addressed«  ì
However¼ onσ par⌠ musiπ wil∞ stil∞ probabl∙ bσ acceptable.

*****************************************************************

























è


     Iµáá yo⌡á arσá usinτá ßá boarΣá othe≥á thaεá thσáá Albrektoε ì
sound/clocδ boarΣ iε aε H-89¼ yo⌡ wil∞ havσ t∩ modif∙ thσ prograφ ì
t∩á matcΦ thσ por⌠ addres≤ oµ thσ sounΣ chips«á  Thi≤ caε bσ donσ ì
b∙á modifyinτ thσ COMPOSER.AS═ filσ a⌠ thσ label≤á PSGxx«á  Afte≥ ì
thi≤á modificatioεá yo⌡á mus⌠ reassemblσ anΣá loaΣá thσá modifieΣ ì
assembl∙á program«á  Fo≥á eacΦ oµ you≥ sounΣ chip≤á (u≡á t∩á six⌐ ì
changσá thσá addres≤ afte≥ thσ labe∞ PSGA° t∩ matcΦá thσá addres≤ ì
por⌠ oµ you≥ chip«  Theε pu⌠ thσ writσ addres≤ (usuall∙ thσ basiπ ì
por⌠ addres≤ plu≤ two⌐ afte≥ labe∞ PSGBx«  Thu≤ iµ yo⌡ havσ threσ ì
A┘á 891░á chip≤ iε you≥ boarΣ anΣ yo⌡ wan⌠ t∩ addres≤á thσá thirΣ ì
chi≡á a⌠ addres≤ 323Q¼á yo⌡ woulΣ modif∙ thσ AS═ filσ startinτ a⌠ ì
labe∞ PSGB│ a≤ follows:

     PSGB3     DB   325Q
     PSGA3     DB   323Q

     Iµá yo⌡ prefe≥ yo⌡ ma∙ als∩ se⌠ thσ por⌠ addresse≤ b∙á usinτ ì
DDT«á  T∩ d∩ s∩ yo⌡ mus⌠ usσ thσ ╙ (Set⌐ commanΣ t∩ se⌠ thσá por⌠ ì
address as a Hex number.  To do so use the addresses as follows:

     PSGB1     13E       PSGB2     15E       PSGB3     17E
     PSGA1     13F       PSGA2     15F       PSGA3     17F

     PSGB4     19E       PSGB5     1BE       PSGB6     1DE
     PSGA4     19F       PSGA5     1BF       PSGA6     1DF

     A≤ aε example¼á iµ yo⌡ wisΦ t∩ se⌠ thσ addres≤ oµ thσ seconΣ ì
sound chip to 323Q (D3H) you would use DDT as follows:

A>DDT COMPOSER.COM
DDT VERS 2.2
NEXT PC
1080 0100
-S15E
015E 00   D5<CR>
15F  00   D3<CR>
160  1A   <SPACE><CR>
?
-^C
A>SAVE 16 B:MUSIC.COM

     Thi≤á wil∞á se⌠ thσ basσ addres≤ t∩ D│ (323Q⌐ anΣ thσá Writσ ì
addres≤ t∩ D╡ (325Q⌐ fo≥ thσ #▓ chi≡ anΣ savσ i⌠ a≤á "MUSIC.COM"«


****************************************************************






è



     YOU ARE NOW READY TO PLAY THE PREWRITTEN SAMPLE SONGS

     T∩á operatσá thσ prograφ simpl∙ typσ COMPOSE╥ a⌠ thσá promp⌠ ì
anΣá typσá thσá namσ oµ thσ musiπ scorσ filσ namσ iεá uppe≥á casσ ì
letter≤ wheε asked«á  Wheε askeΣ fo≥ thσ temp∩ simpl∙ typσ ßá RT╬ ì
o≥á ßá temp∩á valuσ betweeε 3░ anΣ 25╢á beat≤á pe≥á minute«á  Thσ ì
prograφ i≤ self-prompting«  Wheε yo⌡ desirσ t∩ Qui⌠ anΣ returε t∩ ì
thσá operatinτá systeφ typσ 'Qº fo≥ Quit«á   T∩ repla∙á thσá sonτ ì
currentl∙á iε memor∙ typσ 'Pº fo≥ Play«á  Iµ yo⌡ wisΦ t∩á pla∙á ß ì
differen⌠á sonτ typσ 'Sº fo≥ Select«á  Iµ yo⌡ wan⌠ t∩ changσá thσ ì
temp∩ anΣ pla∙ agaiε typσ 'Tº fo≥ Tempo«

     "PRAISEóá anΣ "VOICEó arσ tw∩ voicσ domonstratioε score≤á t∩ ì
sho≈á ßá samplσá oµá thσ differen⌠ voicinτá capabilitie≤á oµá thσ ì
"Composeróáá prograφá witΦá thσá AY-891░á PSG«áá  WitΦá ßá littlσ ì
experimentatioεá yo⌡á caε creatσ man∙ specia∞á effect≤á witΦá thσ ì
voice≤á provided¼á o≥á yo⌡ caε patcΦ thσ supplieΣ sourcσ codσá t∩ ì
modify the voices at will.


*****************************************************************






























è


     INSTRUCTIONS FOR BUILDING MUSIC FILES FOR COMPOSER.COM


     Musiπ scorσ file≤ ma∙ bσ generateΣ oε an∙ edito≥ anΣ consis⌠ ì
of the following:

     Measure Markers          \M30\
                    Consist of "M" followed by the measure number
                    from 0 to 999

     Tempo Change Values      \T110\
                    "T" followed by the beats per minute (30-159)

     Quoted Word Values       \'xxxxxxx\
                    "'óá followeΣ b∙ word≤ t∩ bσ printeΣ a⌠á pla∙ ì
                    time

     Voicing Selections       \V1A\
                    "Vóá followeΣ b∙ numbe≥ oµ PS╟ AddresseΣá (u≡ ì
                    t∩á six⌐á anΣá lette≥ fo≥ voicinτá optioεá (┴ ì
                    througΦ Z)

     Jump Instructions        \J10\     Jump to measure 10
                              \K10▄á    Jum≡á t∩ measurσ 1░á onσ ì
                                        time only
                              \L10\     Jump alternate times
                                        starting this time
                              \M10\     Jump alternate times
                                        starting next time

     Note Values    \A,B,C,D\
                              A=PSG# and Chanel  ex: 1A  2C
                                   (Each PSG has Channels A-C)
                              B=Octave # and note value
                                  Octave = 0 to 7
                                  Notσ╜┴ t∩ ╟ (F=Fla⌠ #=Sharp)
                              C=Note time    1=whole
                                             2=half
                                             4=quarter
                                             8=eighth
                                             6=16th
                                             3=32nd
                                             4.=dotted quarter
                                             4T=triad
                                             4-=tied note
                              D=Volume Hex value 0 to F
                                   (omit for selected voice)

     Thσá ¿ ▄ ⌐ seperato≥ mus⌠ bσ betweeε eacΦ instructioεá word«  ì
Carriagσá return≤ mus⌠ onl∙ bσ placeΣ afte≥ ß seperato≥ o≥ iε thσ ì
tex⌠ t∩ bσ typeΣ a⌠ pla∙ timσ anΣ thσ scorσ mus⌠ alway≤ enΣá witΦ ì
ß triplσ seperato≥ ¿ \\▄ ).
è
     Voice≤á ┴á thr⌡á ╚ arσ decayinτ tone≤ sucΦ a≤á ßá strucδá o≥ ì
pluckeΣ string«  Thu≤ \V1A▄ woulΣ se⌠ chi≡ #▒ t∩ sounΣ simila≥ t∩ ì
ß pian∩ wherσ \V1H▄ woulΣ bσ morσ likσ ß pluckeΣ violin«á  Voice≤ ì
╔ thr⌡ ═ arσ repeateΣ decayinτ tone≤ sucΦ a≤ ß banj∩ o≥ mandolin«  ì
Voice≤ ╬ thr⌡ ╘ arσ warblinτ tone≤ sucΦ a≤ ß harmonica«á  Voicσ ╒ ì
i≤á ß rapiΣ attacδ voicσ simila≥ iε sounΣ t∩ aεá accordian«á  Thσ ì
remaindinτá V-┌ arσ specia∞ sounΣ affect≤ ranginτ froφ ßá brusheΣ ì
druφá t∩á ßá gunshot«á  Al∞á oµ thesσ voice≤ caεá bσá changeΣá b∙ ì
modifyinτá thσ value≤ iε thσ voicσ tablσ iεá COMPOSER.ASM«á  EacΦ ì
voicσá i≤ defineΣ b∙ ß fivσ bytσ tablσ wherσ thσ firs⌠ bytσá set≤ ì
thσá Noisσ perioΣ (registe≥ 6⌐ oµ thσ PSG¼á thσ seconΣ bytσá set≤ ì
thσ Enablσ bytσ (registe≥ 7)¼ thσ nex⌠ tw∩ byte≤ se⌠ thσ envelopσ ì
perioΣá witΦ coursσ bytσ firs⌠ theε finσ anΣ thσ las⌠á bytσá set≤ ì
thσ envelopσ shape/cycle«á  Thσ voicσ tablσ begin≤ witΦ thσ labe∞ ì
VOICEA«  Thu≤ yo⌡ caε modif∙ thσ voicinτ t∩ providσ variou≤ othe≥ ì
musiπ anΣ noisσ voice≤ a≤ wel∞ a≤ thosσ provideΣ b∙ modifyinτ thσ ì
AS═ filσ theε reassembling«


*****************************************************************


     Thi≤ prograφ i≤ capablσ oµ operatinτ u≡ t∩ si° PS╟ chip≤á a⌠ ì
use≥á selecteΣá por⌠ locations«á  Unfortunatel∙ ╔ d∩ no⌠á havσá ß ì
musiπá boarΣá a⌠á presen⌠á witΦá multiplσá chip≤á installeΣáá anΣ ì
thereforσá havσá no⌠ includeΣ samplσ musiπ score≤á witΦá multiplσ ì
chip≤ addressed«á  Thi≤ versioε oµ thσ prograφ doe≤ no⌠ allo≈ fo≥ ì
rea∞á timσá playinτá froφ thσ compute≥ keyboard¼á bu⌠á iµá enougΦ ì
interes⌠ i≤ expresseΣ iε thi≤ capability¼á ╔ wil∞ updatσ Compose≥ ì
iε thσ futurσ t∩ includσ it«á  Happ∙ COMPOSING!

     Permissioεá i≤á hereb∙ granteΣ fo≥ thσ duplicatioεá oµá thi≤ ì
prograφ fo≥ non-commercia∞ uses«  Al∞ othe≥ right≤ arσ reserved.

                    Maj Chuck Chatham
                    PSC Box 2811    (Until June 15, 1983)
                    RAF Bentwaters
                    APO NY 09755


               or   P.O. Box 74    (After June 15, 1983)
                    Royal Arkansas
                         71968

(note║á CP/═á i≤á ßá registereΣ trademarδá oµá Digita∞á Research¼ ì
Pacific Grove, Ca.)