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Mattel Aquarius ABAP Retrocomputer Magazine Anno 2 - Numero 13 - Dicembre 2007 JurassicIn prova : Mattel Aquarius News • Emulazione: HP85 • Retro Linguaggi: ABAP • Apple Club: HFS Assembler • Videoteca: Wings Commander • Come eravamo: Il primo Home Computer Jurassic News - Anno 2 - numero 13 - dicembre 2007 Jurassic News Sommario - Dicembre 2007 Rivista aperiodica di Retro-computing Editoriale Retro Software Coordinatore editoriale orgoglio e umiltà, 3 Quarterdek DeskView/386, 30 Tullio Nicolussi [Tn] Redazione Sonicher [Sn] Retro Linguaggi [email protected] Retrocomputing ABAP (1), 44 Hanno collaborato a ...e la delusione, 4 questo numero: Edicola Salvatore Macomer [Sm] Magazine ZX, 28 Lorenzo 2 [L2] Come eravamo Besdelsec [Bs] Novembre 1987, 6 Mister X [Mx] Videoteca Mark Sabbatini The First Home Computer, 36 Wings Commander, 56 Impaginazione e grafica Apple Club Anna [An] Le prove di JN Tutti i linguaggi di Apple Mattel Aquarius, 8 (parte 3) HFS Assembler, 34 Diffusione [email protected] Biblioteca La rivista viene diffusa in Retro Riviste Teach Yourself Extreme Pro- formato PDF via Internet. K, 22 gramming in 24 Hours, 62 Contatti [email protected] L’opinione Le guerre di religione, 60 Emulazione Copyright I marchi citati sono di Capricorn HP-85, 24 Costruiamoci un emulatore Buonumore copyrights dei rispettivi Serial Number, 65 proprietari. (parte 6), 54 La riproduzione con qual- siasi mezzo di illustrazioni BBS e di articoli pubblicati sulla Posta e comunicazioni, 64 rivista, nonché la loro tra- duzione, è riservata e non può avvenire senza espres- sa autorizzazione. Jurassic News In Copertina promuove la libera circolazione delle idee La Mattel, gigante multinazionale nel settore Toys (Barbie vi ricorda qualche cosa?), ci prova nel 1983 a lanciare il suo personal computer. Il risultato non è fra i più felici, anzi è deci- samente fallimentare, ma per i retro appassionati è comunque una macchina da possedere. 2 Editoriale Jurassic News è una fanzine dedicata Orgoglio e umiltà al retrocomputing nella Con questo numero si conclude il secondo anno di attività di JN. più ampia accezione del termine. Gli articoli Non è affatto inutile ringraziare tutto lo staff per la grande mole di trattano in generale lavoro fatta e per il mai scemato entusiasmo che ha caratterizzato la dell’informatica a partire partecipazione all’iniziativa. Personalmente mi rendo conto di aver dai primi anni ‘80 e si spingono fino ...all’altro acquisito un bagaglio di esperienze notevole legato sia al campo ieri. specifico in cui opera la nostra pubblicazione e sia nei meno scon- tati aspetti tecnici dell’attività editoriale. Vorrei anzi incoraggiare gli La pubblicazione ha carattere puramente amici che ci leggono e che sono presumibilmente degli appassio- amatoriale e didattico, nati di informatica e tecnologia, ad intraprendere una attività simile tutte le informazioni alla nostra. Già qualche gruppo è attivo in questo senso (penso ad sono tratte da materiale esempio agli amici del magazine “Sinclair ZX Notizie”) mentre molti, originale dell’epoca o raccolte (e attentamente se non tutti, curano la loro vetrina Web con più o meno assiduità. vagliate) da Internet. Credetemi: una cosa è recuperare un sistema, anche sconosciuto, e altra è impegnarsi a scrivere una relazione/presentazione del prodot- Normalmente il materiale originale, to ricercando tutte le informazioni possibili, organizzarle ed elaborare anche se “jurassico” in un testo che sia un compendio generale sulla macchina da consul- termini informatici, non tare qualora ci capiti fra le mani proprio quel computer, ma anche un è privo di restrizioni di piacevole testo da leggere in un momento di relax. utilizzo, pertanto non sempre è possibile Tutti in redazione concordano sull’aspetto della crescita personale riportare per intero legato all’esperienza di partecipazione all’iniziativa. Poi c’è l’orgoglio articoli, foto, schemi, listati, etc…, che non di fare qualche cosa di unico o almeno di diverso. Soprattutto la sen- siano esplicitamente sazione che quello che stai facendo poi rimane (ce lo confermano liberi da diritti. le email che ci chiedono gli arretrati) e che le nuove generazioni e in La redazione e gli generale chiunque si affacci al tema del retro computer giudica il tuo autori degli articoli non lavoro prezioso o perlomeno utile. si assumono nessuna responsabilità in merito Tutto questo lo voglio dire con orgoglio ma anche con la giusta dose alla correttezza delle di umiltà, consapevole che si può, anzi si deve, sempre migliorare. informazioni riportate o nei confronti di A proposito di collaboratori, accogliamo con gioia la collaborazione eventuali danni derivanti che inizia con questo numero di un nuovo amico che ha deciso di dall’applicazione di firmarsi “Mister X”. Mx (questa la sua sigla) ci propone un corso di quanto appreso sulla programmazione in ABAP, un linguaggio che sta a metà strada fra la rivista. modernità e il passato e che pochissimi hanno avuto modo di speri- mentare. [Tn] Jurassic News - Anno 2 - numero 13 - dicembre 2007 Retrocomputing ...e la delusione opo l’entusiasmo de- formazioni sui vecchi sistemi sono Riparare può essere scritto nella precedente complete e fitte di trucchi e codice una professione, ma restaurare è un’arte. Dpuntata, il nostro retro- da provare, pieno di peek e poke computerista novello subisce l’ine- in locazioni di memoria per lo più vitabile delusione. Vediamo come sconosciute. è andata... Ecco che possiamo cambiare lo Il funzionamento dello Spectrum sfondo da bianco a giallo, da verde comprato su eBay e la digitazio- a blu, a nostro piacimento. E l’utilità ne delle poche righe di Basic, sti- di cotanta applicazione? Assente. le Hello World, sono state il primo Decide allora che forse al Peek si passo che ha comportato una inti- dedicherà più tardi e decide di ca- ma soddisfazione. A questo punto ricare quel gioco su cassetta com- parte la ricerca di altro materiale, e prata sempre su eBay e pagata su Internet se ne trova a bizzeffe, “due lire”. Il titolo di solito è qual- come articoli, listati, libri e soprat- cosa come “Alien Attack” o “Super tutto software. Racing”, poco importa... Vecchie riviste e datate monogra- L’operazione di Load sembra fie sono una miniera di informazioni durare in eterno poi finalmente la preziose. Qui il nostro scopre due schermata iniziale che invita a sce- verità inconfutabili: gli articoli di gliere fra tastiera e joystick come presentazione delle macchine sul- unità di input. Scelta la tastiera si le riviste sono incompleti e spesso parte e qui la delusione è enor- magnificano cose di poco conto e me: improbabili omini blocchettosi punto due che le monografie sono si muovono a destra o sinistra su prolisse oltre l’umana sopportazio- fondali di poco spessore sparac- ne. chiando con un suono che sembra Saltati i capitoli di introduzione quello di un fucile a tappo, contro alla programmazione, pieni di omi- alieni che assomigliano (ma poco) ni che trasportano da una stan- a piovre tondeggianti. za all’altra pacchi di informazione Tutto qui? (simboleggiano l’indaffarato anti- La musica poi è ridicola, il control- rivieni degli elettroni nella CPU), e lo del personaggio approssimativo, saltato anche tutta la parte dell’arit- il divertimento nel far fuori i mostri- metica binaria e esadecimale, le in- ciattoli quasi inesistente... Il nostro 4 Jurassic News - Anno 2 - numero 13 - dicembre 2007 eroe non se lo ricordava proprio il Qualcosa è andato storto, ma livello dei giochi dell’epoca che fu. quanti fanno regolarmente la stes- E tutta questa magnificenza sban- sa esperienza? dierata su Internet e anche in edi- Il problema è l’aspettativa che cola da qualche tempo su riviste queste persone impreparate si come Retro Gamer, per non parla- fanno su un mondo che sembra re delle analoghe anglosassoni? facile, magari perché da giovani si Il nostro neo-retrocomputerista è posseduto il Commodore 64, ma comincia a pensare di aver sba- che ora è difficile, per le limitazioni gliato hobby e per rifarsi gli occhi tecniche cui non siamo più abitua- torna alla PS2: un’altro mondo, te, accettare e soprattutto goderne decisamente! l’autencità. Va bene, ma rimane il piacere Quindi per concludere un consi- della programmazione “old style” glio: se non siete convinti non fate- sui sistemi originali. Dopo qualche lo e se volete provare, provate pri- tentativo il nostro eroe scopre che ma con il vostro sistema originale, copiare i listati dalle riviste è noio- cioè quello che avete posseduto sissimo, che per mettere assieme da bambini o adolescenti. Partite qualche riga sensata bisogna fare da li, poi se avete dentro un’anima i salti mortali, data la poca ricchez- retrocomputerista questa si rivele- za di parametri delle istruzioni di- rà da sola, basta avere pazienza, sponibili e che in definitiva “quelli molta pazienza... erano pazzi...”. Oppure partite con gli emulatori, Ebbene sì, forse pazzi lo siamo che sono meno impegnativi come stati un po’ tutti, o almeno inco- spazio, richiedono minime cono- scienti, noi che all’home com- scenze tecniche ma possono dare puting ci siamo avvicinati con la (quasi) le stesse soddisfazioni dei passione dei vent’anni e gli occhi sistemi reali. Praticamente tutte le pieni di meravigliose immagini del piattaforme sono emulate e qua- futuro. si tutti i programmi di emulazione Dopo un mese il nostro amico ri- sono free. mette su eBay lo Spectrum com- Alla polvere, quella vera, magari prato per 83 Euro ricavandone ci penserete più in là. meno di 20, un errore di valuta- zione o l’inesperienza nelle tratta- [Tn] tive? Il sogno di diventare il più ricco collezionista di retro computer d’Italia è prestissimo sfumato e il nostro torna alla sua PSP, al suo Windows e a PC Professionale. 5 Jurassic News - Anno 2 - numero 13 - dicembre 2007 Come eravamo... Novembre 1987 Bit - Anno 10 - Numero 88 - Novembre 1987 II, il solito Commodore 64, ma an- che il Texas Instrument TI-99/4A, gli MSX e l’MS-DOS.
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