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The Indy, code-named "Guinness", is a low-end workstation introduced on 12 July 1993. Developed and manufactured by Silicon Graphics Incorporated (SGI), it was the result of their attempt to obtain a share of the low-end computer-aided design (CAD) market, which was dominated at the time by other workstation vendors; and the desktop publishing and multimedia markets, which were mostly dominated at the time by Apple Computer. It was discontinued on 30 June 1997 and support ended on 31 December 2011.
en.wikipedia.org/wiki/SGI_Indy
Retrocomputing (a portmanteau of retro and computing) is the use of early computer hardware and software today. Retrocomputing is usually classed as a hobby and recreation rather than a practical application of technology; enthusiasts often collect rare and valuable hardware and software for sentimental reasons. However some do make use of it.[1] Retrocomputing often gets its start when a computer user realizes that expensive fantasy systems like IBM Mainframes, DEC Superminis, SGI workstations and Cray Supercomputers have become affordable on the used computer market, usually in a relatively short time after the computers' era of use.
en.wikipedia.org/wiki/Retrocomputing
Con il termine retrocomputing si indica una attività di "archeologia informatica" che consiste nel reperire, specialmente a costi minimi, computer di vecchie generazioni, che hanno rappresentato fasi importanti dell'evoluzione tecnologica, ripararli se sono danneggiati, metterli nuovamente in funzione e preservarli.
I really did like the Apple IIe line. This was the first model Apple I had the opportunity to try, and the funny "return" key stuck in my mind for - literally - decades afterward.
Olivetti Philos 44
it.wikipedia.org/wiki/Olivetti
Retrocomputing (a portmanteau of retro and computing) is the use of early computer hardware and software today. Retrocomputing is usually classed as a hobby and recreation rather than a practical application of technology; enthusiasts often collect rare and valuable hardware and software for sentimental reasons. However some do make use of it.[1] Retrocomputing often gets its start when a computer user realizes that expensive fantasy systems like IBM Mainframes, DEC Superminis, SGI workstations and Cray Supercomputers have become affordable on the used computer market, usually in a relatively short time after the computers' era of use.
en.wikipedia.org/wiki/Retrocomputing
Con il termine retrocomputing si indica una attività di "archeologia informatica" che consiste nel reperire, specialmente a costi minimi, computer di vecchie generazioni, che hanno rappresentato fasi importanti dell'evoluzione tecnologica, ripararli se sono danneggiati, metterli nuovamente in funzione e preservarli.
Running "Impossible Mission". Foto di Francesco De Francesco - www.flickr.com/photos/godzillante/ - www.facebook.com/studioquis
Il Comune di Forte dei Marmi, in collaborazione con Lilio Tarabella e il suo ‘Tarabella Hotel’, ci hanno offerto la possibilità di esporre, nella splendida cornice del Fortino di Piazza Garibaldi, una selezione delle macchine ‘storiche’ più significative nel percorso evolutivo di Apple.
Al Fortino sono arrivati l’Apple Lisa, il TAM (Twentieth Anniversary Macintosh), il Portable, il Macintosh 128k, i Newton, le Quicktake, il Set Top Box, l’Apple II, l’Apple //c, l’eMate, e tanti altri pezzi rarissimi del Museo All About Apple.
The Indy, code-named "Guinness", is a low-end workstation introduced on 12 July 1993. Developed and manufactured by Silicon Graphics Incorporated (SGI), it was the result of their attempt to obtain a share of the low-end computer-aided design (CAD) market, which was dominated at the time by other workstation vendors; and the desktop publishing and multimedia markets, which were mostly dominated at the time by Apple Computer. It was discontinued on 30 June 1997 and support ended on 31 December 2011.
en.wikipedia.org/wiki/SGI_Indy
Retrocomputing (a portmanteau of retro and computing) is the use of early computer hardware and software today. Retrocomputing is usually classed as a hobby and recreation rather than a practical application of technology; enthusiasts often collect rare and valuable hardware and software for sentimental reasons. However some do make use of it.[1] Retrocomputing often gets its start when a computer user realizes that expensive fantasy systems like IBM Mainframes, DEC Superminis, SGI workstations and Cray Supercomputers have become affordable on the used computer market, usually in a relatively short time after the computers' era of use.
en.wikipedia.org/wiki/Retrocomputing
Con il termine retrocomputing si indica una attività di "archeologia informatica" che consiste nel reperire, specialmente a costi minimi, computer di vecchie generazioni, che hanno rappresentato fasi importanti dell'evoluzione tecnologica, ripararli se sono danneggiati, metterli nuovamente in funzione e preservarli.
Grazie all’iniziativa di Bruno Grampa, nella prestigiosa cornice del parco di Villa Toeplitz a Varese si è tenuto domenica 27 aprile 2003, presso il MUel- Museo Elettronico, la prima edizione di “Varese Retrocomputing”. La manifestazione si è articolata su un intero pomeriggio, a partire dalle ore 14:30, con interventi di esperti e collezionisti di retrocomputing che hanno presentato, in funzione, numerosi computer che hanno fatto la storia dell’informatica. All About Apple è stata presente con il simbolo dell’AMUG e del Museo, l’Apple Lisa, su cui è stato tenuto un keynote da Alessio Ferraro.
The Indy, code-named "Guinness", is a low-end workstation introduced on 12 July 1993. Developed and manufactured by Silicon Graphics Incorporated (SGI), it was the result of their attempt to obtain a share of the low-end computer-aided design (CAD) market, which was dominated at the time by other workstation vendors; and the desktop publishing and multimedia markets, which were mostly dominated at the time by Apple Computer. It was discontinued on 30 June 1997 and support ended on 31 December 2011.
en.wikipedia.org/wiki/SGI_Indy
Retrocomputing (a portmanteau of retro and computing) is the use of early computer hardware and software today. Retrocomputing is usually classed as a hobby and recreation rather than a practical application of technology; enthusiasts often collect rare and valuable hardware and software for sentimental reasons. However some do make use of it.[1] Retrocomputing often gets its start when a computer user realizes that expensive fantasy systems like IBM Mainframes, DEC Superminis, SGI workstations and Cray Supercomputers have become affordable on the used computer market, usually in a relatively short time after the computers' era of use.
en.wikipedia.org/wiki/Retrocomputing
Con il termine retrocomputing si indica una attività di "archeologia informatica" che consiste nel reperire, specialmente a costi minimi, computer di vecchie generazioni, che hanno rappresentato fasi importanti dell'evoluzione tecnologica, ripararli se sono danneggiati, metterli nuovamente in funzione e preservarli.
8BASIC (C) is a BASIC interpreter developed by manufacturer G.G in 2010 for the homemade Z80/AM95 8 bit NANO COMPUTER.
8BASIC doesn't have line numbers but uses line labels which may be referenced by control flow statements.
VARIABLES
Statements use variables to keep track of numbers or strings or labels.
Variables and labels must consist of only one alphabetical character.
So the maximum number of GOTO/GOSUB's arguments is 26 and the labelled addresses are precompiled into RAM in a separate table during the program editing.
The range of the 26 numeric values which can be entered or stored, lies between -9.99999 and +9.99999 x 10^5 (always displayed in 8-char fixed format: six digits plus sign and decimal dot). Variables are anyway stored in RAM in floating-point representation during program editing when declared (precomplilation) or during interpretation for the intermediate results. The precision of intermediate calculations depends on the APU 9511 capability (1 bit sign, 7 bit two's complement exponent and 24 bit of mantissa).
During editing, just after having selected the correct statement, you can easily change any of the 26 letters of each variable, navigating through the alphabet using the telephone-like keypad.
For example the generic statement "Z=X+Y" which performs the addition, can be easily modified in
"A=X+Y" or
"A=A+A" or
"Z=X+Z" or
"A=A+X" etc..
It is also easy to handle any algebraic expression using multiple 8-chars functions managing intermediate results.
For example Z=2*A+15*C can be written as:
" LET X="
"+15.0000" ;X=15
"X=X*C " ;X=15*C
"B=A+A " ;B=2*A
"Z=B+X " ;Z=2*A+15*C
Each of the 26 text variables may contain max eight alphanumeric characters and symbols, as per the complete DL2416 character set.
But you may build texts with more chars by concatenating strings stored in consecutive letters (variables), with the last string ending with the "#" char: text will be displayed by scrolling right-to-left. So technically the max size of a displayed string is 207 characters.
Here the typical "Hello Word" program which displays the string "Hello World" in an infinite loop:
" LET A$="
"HELLO WO" ; A$="HELLO WO"
" LET B$="
"RLD# " ; B$="RLD"
" "F": " ; F label
"PRINT+A$" ; display from right to left A$&B$ = "HELLO WORLD"
"GO TO F " ; goto F and loop
" END "
CubicPlayer on the 5x86 160 DOS PC playing some tunes through the PC's Gravis Ultrasound audio board.
The retrocomputing stack as it stands now.
Commodore 128DCR
Texas Instruments TI-99/4A
Radio Shack TRS-80 MC-10 Micro Color Computer
Atari 800XL
Radio Shack TRS-80 Model III
This is my homemade dust cover which encases the Z80 Board in a polyester material with sewed cotton edges and vintage tag
The HEX keypad front panel with the LED driver daughter board in place. The fascia artwork was inkjet printed on premium glossy photo paper at 600 dpi then protected by clear self-adhesive vinyl film used to cover book jackets.
N8VEM ribbon cable. From left to right, the ribbon cable lines are connected to pins 1 (black), 2 (white), 3 (gray), 4 (purple), 5 (blue), 6 (green), 7 (yellow), 8 (orange), 9 (red), 10 (brown).
Pin 1 on the header is marked by a triangle on the solder mask silk screen, and the pins are numbered 1, 3, 5, 7, 9 on the bottom row (toward the components), and 2, 4, 6, 8, 10 on the top row (away from the components)
The Indy, code-named "Guinness", is a low-end workstation introduced on 12 July 1993. Developed and manufactured by Silicon Graphics Incorporated (SGI), it was the result of their attempt to obtain a share of the low-end computer-aided design (CAD) market, which was dominated at the time by other workstation vendors; and the desktop publishing and multimedia markets, which were mostly dominated at the time by Apple Computer. It was discontinued on 30 June 1997 and support ended on 31 December 2011.
en.wikipedia.org/wiki/SGI_Indy
Retrocomputing (a portmanteau of retro and computing) is the use of early computer hardware and software today. Retrocomputing is usually classed as a hobby and recreation rather than a practical application of technology; enthusiasts often collect rare and valuable hardware and software for sentimental reasons. However some do make use of it.[1] Retrocomputing often gets its start when a computer user realizes that expensive fantasy systems like IBM Mainframes, DEC Superminis, SGI workstations and Cray Supercomputers have become affordable on the used computer market, usually in a relatively short time after the computers' era of use.
en.wikipedia.org/wiki/Retrocomputing
Con il termine retrocomputing si indica una attività di "archeologia informatica" che consiste nel reperire, specialmente a costi minimi, computer di vecchie generazioni, che hanno rappresentato fasi importanti dell'evoluzione tecnologica, ripararli se sono danneggiati, metterli nuovamente in funzione e preservarli.