╳
FILE INFORMATION
FILENAME(S): ╳
FILE TYPE(S): PRG
FILE SIZE: 6.7K
FIRST SEEN: 2025-11-30 21:26:23
APPEARS ON: 1 disk(s)
FILE HASH
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FOUND ON DISKS (1 DISKS)
| DISK TITLE | FILENAME | FILE TYPE | COLLECTION | TRACK | SECTOR | ACTIONS |
|---|---|---|---|---|---|---|
| P IME 1 4 | ╳ | PRG | DuncanTwain | 11 | 1 | DOWNLOAD FILE |
FILE CONTENT & ANALYSIS
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00000F30: 54 49 4F 4E 20 53 55 50 50 4C 49 45 44 20 42 59 |TION SUPPLIED BY|
00000F40: 20 D6 C4 D0 31 20 54 4F 20 41 43 54 55 41 4C 4C | ...1 TO ACTUALL|
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000018C0: 4E 44 20 54 48 45 20 43 4F 53 54 20 4F 46 20 50 |ND THE COST OF P|
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00001920: 54 53 20 43 4F 4D 45 20 4F 4E 4C 49 4E 45 20 41 |TS COME ONLINE A|
00001930: 4E 44 20 54 48 45 20 54 45 43 48 4E 4F 4C 4F 47 |ND THE TECHNOLOG|
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00001970: 52 2C 20 49 54 20 57 41 53 20 4A 55 53 54 20 54 |R, IT WAS JUST T|
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000019A0: 54 45 52 20 49 4E 20 59 4F 55 52 20 48 4F 55 53 |TER IN YOUR HOUS|
000019B0: 45 20 4F 46 20 41 4E 59 20 53 4F 52 54 20 41 54 |E OF ANY SORT AT|
000019C0: 20 41 4C 4C 20 57 41 53 20 4C 49 4B 45 4C 59 20 | ALL WAS LIKELY |
000019D0: 54 4F 20 47 45 54 20 59 4F 55 20 41 20 57 52 49 |TO GET YOU A WRI|
000019E0: 54 45 2D 55 50 20 49 4E 20 54 48 45 20 4C 4F 43 |TE-UP IN THE LOC|
000019F0: 41 4C 20 4E 45 57 53 50 41 50 45 52 20 41 53 20 |AL NEWSPAPER AS |
00001A00: 53 4F 4D 45 4F 4E 45 20 43 4C 4F 53 45 20 54 4F |SOMEONE CLOSE TO|
00001A10: 20 41 20 CD 41 44 20 D3 43 49 45 4E 54 49 53 54 | A .AD .CIENTIST|
00001A20: 2C 20 41 4E 44 20 59 4F 55 20 48 41 44 20 54 4F |, AND YOU HAD TO|
00001A30: 20 4D 41 4B 45 20 41 20 44 45 43 49 53 49 4F 4E | MAKE A DECISION|
00001A40: 20 42 45 54 57 45 45 4E 20 42 55 59 49 4E 47 20 | BETWEEN BUYING |
00001A50: 41 20 46 4C 4F 50 50 59 20 44 49 53 4B 20 44 52 |A FLOPPY DISK DR|
00001A60: 49 56 45 20 4F 52 20 41 20 43 41 52 21 20 20 28 |IVE OR A CAR! (|
00001A70: D4 48 45 20 43 41 52 20 57 41 53 20 55 53 55 41 |.HE CAR WAS USUA|
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00001A90: 48 4F 20 43 41 4E 20 54 45 4C 4C 20 57 48 41 54 |HO CAN TELL WHAT|
00001AA0: 20 54 48 45 20 4E 45 58 54 20 46 45 57 20 59 45 | THE NEXT FEW YE|
00001AB0: 41 52 53 20 57 49 4C 4C 20 42 52 49 4E 47 3F 0D |ARS WILL BRING?.|
..... CD-ROM TECHNOLOGY. T
AKES A GIANT LEAP FORWARD...... (C
)1987 BY BRUCE JAEGER. ALL RIGHT
S RESERVED.. PUBLISHED BY.
VIKING TECHNOLOGIES, INC.. RCA LA
BORATORIES HAS RECENTLY ANNOUNCED THEIR
DEVELOPMENT OF A POWERFUL PAIR OF IC CHI
PS THAT MAY FINALLY CAUSE THE CD-ROM TO
BE LESS OF A "JUST-SUPPOSE" ITEM AND MOR
E OF A PRACTICAL AND USEFUL COMPUTER PER
IPHERAL. THE TWO PROPRIETARY, VERY LARG
E SCALE INTEGRATION (VLSI) CHIPS COMPRIS
E A PACKAGE THAT RCA CALLS DVI (FOR DIGI
TAL VIDEO INTERACTIVE) WHICH ALLOWS A ST
ANDARD CD-ROM DISK TO HOLD OVER ONE HOUR
OF FULL MOTION, TELEVISION-QUALITY VIDE
O... SHOULD YOU ALREADY KNOW THAT CD
-ROMS STORE HUGE AMOUNTS OF DIGITAL INFO
RMATION, YOU MIGHT ASK,"SO WHAT'S THE BI
G DEAL?" A STANDARD CD-ROM HAS THE CAPA
CITY TO HOLD UP TO 540 MEGABYTES OF DATA
, OR ABOUT TWENTY-FIVE TIMES MORE INFORM
ATION THAN A 20-MEGABYTE HARD DISK DRIVE
. THAT SOUNDS LIKE (AND IS!) A HUGE AMO
UNT OF DATA UNTIL YOU STOP AND CALCULATE
HOW MUCH MEMORY IS REQUIRED TO STORE A
"STANDARD" DIGITIZED TV PICTURE--ABOUT 5
00K PER SCREEN! FULL-MOTION VIDEO REQUI
RES THIRTY FRAMES (OR PICTURES) PER SECO
ND. AT THAT RATE, A STANDARD CD-ROM COU
LD ONLY HOLD ABOUT THIRTY SECONDS OF FUL
L-MOTION VIDEO. EVEN IF THE DISK WAS LA
RGE ENOUGH, THE DATA TRANSFER RATE OF A
CD-ROM (150 KILOBYTES PER SECOND) WOULDN
'T BE ABLE TO PROVIDE FLUID ANIMATION.
THIRTY SECONDS OF FULL-MOTION VIDEO WOUL
D TAKE OVER AN HOUR TO DISPLAY!.. WE
SHOULDN'T CONFUSE TELEVISION QUALITY VI
DEO WITH STANDARD COMPUTER GRAPHICS. SU
RPRISINGLY ENOUGH, IT'S THE AVAILABILITY
OF COLORS THAT MAKE A TV PICTURE AS DET
AILED AS IT SEEMS; THE ACTUAL RESOLUTION
IN TERMS OF PIXELS ISN'T THAT FAR OFF F
ROM AN APPLE OR COMMODORE 64! WHILE A H
IGH-RESOLUTION PICTURE ON A C64 MIGHT ON
LY REQUIRE 8 TO 16K OF RAM, THE COLOR SE
LECTION OF THE COMPUTER IS SEVERELY LIMI
TED. A "TELEVISION QUALITY" PICTURE HAS
A RESOLUTION OF 512 BY 400 PIXELS, AND
A POTENTIAL COLOR PALETTE OF 16 MILLION
COLORS. THAT'S WHY 500K OR MORE IS NEED
ED FOR EACH FRAME!.. RCA'S DVI ACHIE
VES THIS SEEMINGLY IMPOSSIBLE ONE-HOUR,
FULL-MOTION VIDEO BY COMPRESSING AND DE-
COMPRESSING THE DATA REQUIRED TO PRODUCE
EACH FRAME. A PICTURE CAN BE "COMPRESS
ED" IN MANY WAYS. ONE SIMPLE METHOD IS
TO SCAN THE GRAPHIC DATA FOR LONG STRING
S OF THE SAME BYTE. THEN, FOR EXAMPLE,
INSTEAD OF STORING 200 REPETITIONS OF TH
E BYTE 0, WE COULD STORE A CODE ("200/0"
) THAT WOULD MEAN THE SAME THING. (SOME
OF THE GRAPHIC SCREENS DISPLAYED BY UPT
IME WERE "CRUNCHED" LIKE THIS TO SAVE SP
ACE ON DISK AND MAKE THEM LOAD FASTER.).
. RCA LABORATORIES USES FAR MORE SOP
HISTICATED ALGORITHMS TO DO THEIR COMPRE
SSING. SUCH SEVERE NUMBER CRUNCHING IS
SLOW, BUT, SINCE THE INITIAL COMPRESSION
OF THE PICTURE DATA DOESN'T HAVE TO BE
DONE IN REAL TIME, THE COMPUTER DOING TH
E CALCULATIONS (MOST LIKELY A HULKING MA
INFRAME) IS ALLOWED TO ANALYZE THE DIGIT
AL VIDEO DATA AND DETERMINE THE MOST EFF
ICIENT COMPRESSION TECHNIQUE POSSIBLE, R
EGARDLESS OF HOW LONG IT TAKES. RCA'S S
TATE-OF-THE-ART COMPRESSION TECHNIQUES M
ANAGE TO CRUNCH THE INITIAL 500K OR SO O
F PICTURE DATA FOR EACH FRAME INTO ABOUT
5K OF DATA!.. PLAYING THE PICTURES
BACK ON THE USER'S MONITOR IS A DIFFEREN
T MATTER, HOWEVER, AS THE DE-COMPRESSING
AND DISPLAY MUST BE DONE "UP TO SPEED"
SO OUR EYES WON'T DETECT ANY FLICKERING
OF THE PICTURE. THIS IS WHERE THE TWO N
EW CHIPS OF THE DVI "VIDEO DISPLAY PROCE
SSOR" COME IN... THE FIRST CHIP, VDP
1, DOES ALL THE PIXEL-PROCESSING AND DIS
PLAY-PROCESSING. RUNNING AT 12.5 MILLIO
N INSTRUCTIONS PER SECOND (MIPS), THIS C
HIP DOES THE UNCRUNCHING OF THE COMPACTE
D VIDEO DATA. FURTHERMORE, MANY OF THE
VIDEO/GRAPHIC OPERATIONS ARE DONE IN PAR
ALLEL (SIMULTANEOUSLY, BY DIFFERENT PART
S OF THE SAME CHIP) TO FURTHER IMPROVE S
PEED... THE SECOND CHIP, VDP2, IS TH
E OUTPUT DISPLAY PROCESSOR. IT USES THE
INFORMATION SUPPLIED BY VDP1 TO ACTUALL
Y DISPLAY THE PICTURE ON THE MONITOR SCR
EEN. IT CAN HANDLE HORIZONTAL RESOLUTIO
NS OF FROM 256 TO 768 PIXELS, AND VERTIC
AL RESOLUTION OF UP TO 512 PIXELS. ALL
WITH 16 MILLION AVAILABLE COLORS!..
PHILLIPS INTERNATIONAL (FAMOUS FOR THEIR
CASSETTE TAPE LICENSING) HAS BEEN TRYIN
G TO MARKET THEIR OWN CD-ROM GRAPHIC STA
NDARD CALLED CD-I (COMPACT DISK INTERACT
IVE). CD-I, WITH A POTENTIAL OF PERHAPS
SEVEN MINUTES OF VIDEO PER DISK, APPEAR
S TO HAVE BEEN SMARTLY WALLOPED BY THE N
EW RCA-PROPOSED DVI STANDARD. ALSO, WIT
H NO NEW PRODUCTS IMPLEMENTING THE CD-I
STANDARD YET, PHILLIPS' NEW TECHNOLOGY I
S FACED WITH THE MODERN-DAY ELECTRONICS
STIGMA OF BEING OBSOLETE BEFORE EVEN REA
CHING THE MARKETPLACE!.. RCA LAB'S D
VI SHOULD NOT BE THOUGHT OF AS JUST A WA
Y TO STORE AN HOUR'S WORTH OF VIDEO ON D
ISK. (ANALOG VIDEO CASSETTES DO THAT NI
CELY ENOUGH AND A HECK OF A LOT CHEAPER,
TOO, THANK YOU.) AS THE CHIP SET'S NAM
E (DIGITAL VIDEO INTERACTIVE) IMPLIES, T
HE DVI CHIPS ARE FAST AND POWERFUL ENOUG
H TO ALLOW FULL USER INTERACTIVITY USING
THE GRAPHIC INFORMATION. RCA HAS CREAT
ED A BUS INTERFACE THAT WILL ALLOW THE D
VI CHIPS TO BE USED WITH A NUMBER OF DIF
FERENT COMPUTER SYSTEMS, MOST NOTABLY TH
E IBM-PC FAMILY AT PRESENT... ENTERT
AINMENT AND GAMES OF A GRANDEUR AND COMP
LEXITY IMPOSSIBLE TODAY ARE, OF COURSE,
AN OBVIOUS POSSIBILITY FOR A DVI-EQUIPPE
D COMPUTER. BUT IMAGINE AN ENCYCLOPEDIA
ON DISK WITH FULL-COLOR, MOVING PICTURE
S ILLUSTRATING, FOR EXAMPLE, HOW A STEAM
ENGINE WORKS, OR HOW A THOROUGHBRED RUN
S, OR HOW THE DIFFERENT ARMIES MANEUVERE
D IN THE BATTLE OF GETTYSBURG! (NOTE TH
AT THERE ARE CD-ROM ENCYCLOPEDIAS AVAILA
BLE TODAY, BUT THEY ARE PRIMARILY TEXT-O
RIENTED.).. OTHER POSSIBILITIES THAT
COME TO MIND ARE A STREET MAP OF EVERY
ROAD IN THE UNITED STATES, COMPUTERIZED
INSTRUCTION COURSES WITH INTERACTIVE QUE
STION-AND-ANSWER SESSIONS INCLUDED, OR F
LIGHT SIMULATORS THAT USE REAL PICTURES.
HOW ABOUT COMPLETE ILLUSTRATED "HOW-TO
" DISKS FOR EVERY SUBJECT FROM BUILDING
A GARAGE TO RE-BUILDING A CARBURETOR? S
INCE DVI IS INTERACTIVE, THE LATTER COUL
D INCLUDE "EXPERT-SYSTEM" TYPE SOFTWARE
TO ANSWER A MULTITUDE OF QUESTIONS--AND
THEN ILLUSTRATE THE ANSWER!.. OF COU
RSE, MOST OF THE "PIE-IN-THE-SKY" IDEAS
ABOVE WOULD BE PROHIBITIVELY EXPENSIVE T
O PRODUCE TODAY. HOWEVER, COMPUTER PROC
ESSING COSTS WILL COME DOWN, THE SPEED O
F THE "CRUNCHING" PROGRAMS WILL IMPROVE
IN EFFICIENCY, AND THE COST OF PRODUCING
THE LASER DISKS THEMSELVES WILL TUMBLE,
ESPECIALLY AS NEW AUDIO-CD PLANTS COME
ONLINE AND THE TECHNOLOGY (AND ECONOMY O
F SCALE) IMPROVES... REMEMBER, IT WA
S JUST TEN YEARS AGO THAT HAVING A COMPU
TER IN YOUR HOUSE OF ANY SORT AT ALL WAS
LIKELY TO GET YOU A WRITE-UP IN THE LOC
AL NEWSPAPER AS SOMEONE CLOSE TO A MAD S
CIENTIST, AND YOU HAD TO MAKE A DECISION
BETWEEN BUYING A FLOPPY DISK DRIVE OR A
CAR! (THE CAR WAS USUALLY CHEAPER!) W
HO CAN TELL WHAT THE NEXT FEW YEARS WILL
BRING?.
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