VGIF64.DOCS
FILE INFORMATION
FILENAME(S): VGIF64.DOCS
FILE TYPE(S): SEQ
FILE SIZE: 4.6K
FIRST SEEN: 2025-10-20 14:30:27
APPEARS ON: 2 disk(s)
FILE HASH
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FOUND ON DISKS (2 DISKS)
| DISK TITLE | FILENAME | FILE TYPE | COLLECTION | TRACK | SECTOR | ACTIONS |
|---|---|---|---|---|---|---|
| LOWER LEVEL | VGIF64.DOCS | SEQ | Treasure Chest - Klaus Der Suhler | 20 | 18 | DOWNLOAD FILE |
| FOXSOFT | VGIF64.DOCS | SEQ | marcus | 14 | 1 | DOWNLOAD FILE |
FILE CONTENT & ANALYSIS
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00000EB0: 50 49 58 45 4C 53 20 49 4E 20 54 48 45 20 49 4D |PIXELS IN THE IM|
00000EC0: 41 47 45 3A 0D 0D 42 42 42 42 42 42 42 42 20 59 |AGE:..BBBBBBBB Y|
00000ED0: 59 59 59 59 59 59 59 0D 47 47 47 47 47 47 47 47 |YYYYYYY.GGGGGGGG|
00000EE0: 20 59 59 59 59 59 59 59 59 0D 42 47 42 47 42 47 | YYYYYYYY.BGBGBG|
00000EF0: 42 47 20 59 42 59 42 59 42 59 42 20 20 20 20 20 |BG YBYBYBYB |
00000F00: 20 20 20 CE 4F 54 45 20 54 48 41 54 20 45 41 43 | .OTE THAT EAC|
00000F10: 48 20 38 20 58 20 38 20 41 52 45 41 20 48 41 53 |H 8 X 8 AREA HAS|
00000F20: 20 41 54 20 4D 4F 53 54 20 32 20 43 4F 4C 4F 52 | AT MOST 2 COLOR|
00000F30: 53 0D 42 42 42 42 42 42 42 42 20 59 59 59 59 59 |S.BBBBBBBB YYYYY|
00000F40: 59 59 59 20 20 20 20 20 20 20 20 D4 48 45 20 46 |YYY .HE F|
00000F50: 49 52 53 54 20 48 41 53 20 42 4C 55 45 20 26 20 |IRST HAS BLUE & |
00000F60: 47 52 45 45 4E 2C 20 54 48 45 20 53 45 43 4F 4E |GREEN, THE SECON|
00000F70: 44 20 48 41 53 0D 42 42 42 42 42 42 42 42 20 59 |D HAS.BBBBBBBB Y|
00000F80: 59 59 59 59 59 59 59 20 20 20 20 20 20 20 20 59 |YYYYYYY Y|
00000F90: 45 4C 4C 4F 57 20 41 4E 44 20 42 4C 55 45 2E 0D |ELLOW AND BLUE..|
00000FA0: 42 42 42 42 42 42 42 42 20 59 59 59 59 59 59 59 |BBBBBBBB YYYYYYY|
00000FB0: 59 0D 42 42 42 42 42 42 42 42 20 59 59 59 59 59 |Y.BBBBBBBB YYYYY|
00000FC0: 59 59 59 0D 42 42 42 42 42 42 42 42 20 59 59 59 |YYY.BBBBBBBB YYY|
00000FD0: 59 59 59 59 59 0D 0D 42 3D 42 4C 55 45 20 47 3D |YYYYY..B=BLUE G=|
00000FE0: 47 52 45 45 4E 20 59 3D 59 45 4C 4C 4F 57 0D 0D |GREEN Y=YELLOW..|
00000FF0: 0D D7 49 54 48 20 D7 49 4E 44 4F 57 20 D8 20 45 |..ITH .INDOW . E|
00001000: 51 55 41 4C 20 54 4F 20 31 20 59 4F 55 20 45 46 |QUAL TO 1 YOU EF|
00001010: 46 45 43 54 49 56 45 20 53 48 49 46 54 20 54 48 |FECTIVE SHIFT TH|
00001020: 45 20 50 49 43 54 55 52 45 20 31 20 50 49 58 45 |E PICTURE 1 PIXE|
00001030: 4C 20 4C 45 46 54 2E 20 20 D9 4F 55 20 54 48 45 |L LEFT. .OU THE|
00001040: 0D 47 45 54 3A 0D 0D 42 42 42 42 42 42 42 59 20 |.GET:..BBBBBBBY |
00001050: 59 59 59 59 59 59 59 3F 0D 47 47 47 47 47 47 47 |YYYYYYY?.GGGGGGG|
00001060: 59 20 59 59 59 59 59 59 59 3F 20 20 20 20 20 20 |Y YYYYYYY? |
00001070: 20 20 C5 41 43 48 20 50 49 58 45 4C 20 57 41 53 | .ACH PIXEL WAS|
00001080: 20 53 48 49 46 54 45 44 20 31 20 54 4F 20 54 48 | SHIFTED 1 TO TH|
00001090: 45 20 4C 45 46 54 2E 20 20 D4 48 45 20 22 3F 22 |E LEFT. .HE "?"|
000010A0: 0D 47 42 47 42 47 42 47 59 20 42 59 42 59 42 59 |.GBGBGBGY BYBYBY|
000010B0: 42 3F 20 20 20 20 20 20 20 20 52 45 50 52 45 53 |B? REPRES|
000010C0: 45 4E 54 20 54 48 45 20 4C 45 46 54 4D 4F 53 54 |ENT THE LEFTMOST|
000010D0: 20 50 49 58 45 4C 53 20 46 52 4F 4D 20 54 48 45 | PIXELS FROM THE|
000010E0: 20 54 48 49 52 44 0D 42 42 42 42 42 42 42 59 20 | THIRD.BBBBBBBY |
000010F0: 59 59 59 59 59 59 59 3F 20 20 20 20 20 20 20 20 |YYYYYYY? |
00001100: 38 20 58 20 38 20 4D 41 54 52 49 58 20 28 4E 4F |8 X 8 MATRIX (NO|
00001110: 54 20 53 48 4F 57 4E 20 49 4E 20 54 48 49 53 20 |T SHOWN IN THIS |
00001120: 45 58 41 4D 50 4C 45 29 2E 0D 42 42 42 42 42 42 |EXAMPLE)..BBBBBB|
00001130: 42 59 20 59 59 59 59 59 59 59 3F 20 20 20 20 20 |BY YYYYYYY? |
00001140: 20 20 20 D4 48 45 20 4C 45 46 54 4D 4F 53 54 20 | .HE LEFTMOST |
00001150: 38 20 58 20 38 20 4D 41 54 52 49 58 20 4E 4F 57 |8 X 8 MATRIX NOW|
00001160: 20 48 41 53 20 33 20 43 4F 4C 4F 52 53 20 49 4E | HAS 3 COLORS IN|
00001170: 20 49 54 2C 0D 42 42 42 42 42 42 42 59 20 59 59 | IT,.BBBBBBBY YY|
00001180: 59 59 59 59 59 3F 20 20 20 20 20 20 20 20 42 4C |YYYYY? BL|
00001190: 55 45 2C 20 47 52 45 45 4E 2C 20 41 4E 44 20 59 |UE, GREEN, AND Y|
000011A0: 45 4C 4C 4F 57 2E 20 20 D4 48 45 20 C3 36 34 20 |ELLOW. .HE .64 |
000011B0: 43 41 4E 4E 4F 54 20 50 55 54 20 33 0D 42 42 42 |CANNOT PUT 3.BBB|
000011C0: 42 42 42 42 59 20 59 59 59 59 59 59 59 3F 20 20 |BBBBY YYYYYYY? |
000011D0: 20 20 20 20 20 20 43 4F 4C 4F 52 53 20 49 4E 20 | COLORS IN |
000011E0: 54 48 49 53 20 41 52 45 41 2C 20 41 4E 44 20 54 |THIS AREA, AND T|
000011F0: 48 49 53 20 43 41 55 53 45 53 20 41 20 43 4F 4C |HIS CAUSES A COL|
00001200: 4F 52 0D 42 42 42 42 42 42 42 59 20 59 59 59 59 |OR.BBBBBBBY YYYY|
00001210: 59 59 59 3F 20 20 20 20 20 20 20 20 43 4F 4E 46 |YYY? CONF|
00001220: 4C 49 43 54 2E 0D 0D 0D D4 48 49 53 20 46 52 41 |LICT.....HIS FRA|
00001230: 4D 49 4E 47 20 45 52 52 4F 52 20 4F 43 43 55 52 |MING ERROR OCCUR|
00001240: 53 20 4D 4F 53 54 20 4E 4F 54 41 42 4C 59 20 49 |S MOST NOTABLY I|
00001250: 4E 20 C3 36 34 20 46 4F 52 4D 41 54 20 C7 C9 C6 |N .64 FORMAT ...|
00001260: 27 53 2E 0D 0D |'S... |
GIF VIEWER 2.0 BY DAVID JANSEN..OPTION
"A" DISPLAYS THE DISK DIRECTORY OF THE C
URRENT DEVICE. PRESS ANY KEY.RETURN TO
THE MAIN MENU, PRESS STOP TO ABORT...OPT
ION "B" SETS THE CURRENT DEVICE. THE DE
VICE NUMBER CAN RANGE FROM 8-11...OPTION
"C" DETERMINES THE GRAPHIC MODE USED WH
EN DRAWING A GIF, AND ALSO THE.FILE FORM
AT TO BE USED WHEN SAVING AN IMAGE (SEE
OPTION "H" BELOW). WHEN THIS.OPTION IS
"YES" THE GIF IS DRAWN IN HI-RES MULTI-C
OLOR MODE. WHEN "NO".STANDARD HI-RES MO
DE IS USED...OPTION "D" APPLIES TO MULTI
-COLOR MODE ONLY AND DETERMINES THE SCRE
EN WIDTH..THE PHYSICAL SCREEN SIZE IN MU
LTI-COLOR HI-RES MODE IS 160 X 200. THI
S OPTION.SHOULD NORMALLY BE SET TO 160 S
O THAT IT MATCHES THE SCREEN DISPLAY. Y
OU CAN,.HOWEVER, SET IT TO 320. THIS WI
LL CAUSE GREATER DISTORTION OF THE IMAGE
.BECAUSE YOU WILL BE DRAWING A 320 PIXEL
WIDTH ON A 160 PIXEL WIDE SCREEN. THE.
ADVANTAGE OF THIS IS YOU SEE MORE OF THE
IMAGE ON SCREEN...OPTION "E" ALLOWS YOU
TO SCROLL THE VIEWING WINDOW LEFT OR RI
GHT. THE VALUE.HERE DETERMINES THE HORI
ZONTAL STARTING POSITION. THE HORIZONTA
L VIEWING RANGE.IS: VALUE OF OPTION "E"
TO VALUE OF OPTION "E" + SCREEN WIDTH -
1..OPTION "F" ALLOWS YOU TO SCROLL THE
VIEWING WINDOW UP OR DOWN. THE VALUE HE
RE.DETERMINES THE VERTICAL STARTING POSI
TION. THE VERTICAL VIEWING RANGE IS:.VA
LUE OF OPTION "F" TO VALUE OF OPTION "F"
+ 199..OPTION "G" ALLOWS YOU TO USE GRA
Y SCALING. WHEN THIS OPTION IS SET TO "
YES".ALL COLORS WILL BE TRANSLATED TO A
SHADE OF GRAY. WHILE THIS MODE STRIPS T
HE.COLOR FROM AN IMAGE YOU WILL FIND THA
T IT OFTEN PRODUCES THE BEST RESULTS...O
PTION "H" ALLOWS YOU TO SAVE THE PREVIOU
SLY VIEWED GIF. BEFORE USING THIS.OPTIO
N YOU MUST FIRST VIEW A GIF (IT MUST BE
VIEWED COMPLETELY FOR THE SAVE TO.WORK C
ORRECTLY). THEN SELECT THIS OPTION. TH
E SAVE FORMAT IS DETERMINED BY.THE HI-RE
S MODE YOU USED TO VIEW THE GIF. IF OPT
ION "C" IS "YES" THE SAVE WILL.BE IN KOA
LA FORMAT. IF OPTION "C" IS "NO" THE SA
VE WILL BE IN DOODLE FORMAT..IT IS YOUR
RESPONSIBILITY TO PROVIDE PROPER NAMES (
USE "DD" AS THE FIRST 2.CHARACTERS IN DO
ODLE NAMES. FOR KOALA USE A TEMPORARY N
AME AND RENAME IT LATER.WITH THE "PIC" P
REFIX)...OPTION "I" ALLOWS YOU TO VIEW A
GIF...OPTION "J" ALLOWS YOU TO EXIT TO
BASIC.....NOTES:.. WINDOWS ARE AN IMP
ORTANT CONCEPT. BY CHANGING THE VIEWING
WINDOW YOU CAN.VIEW VIRTUALLY ANY PART
OF A GIF. IF YOU SET THE WINDOW VALUES
TO A RANGE.OUTSIDE OF THE GIF IMAGE'S RA
NGE YOU WILL GET A BLANK SCREEN. I SUGG
EST USING.EITHER HI-RES OR MULTI-COLOR H
I-RES WITH A WIDTH OF 320, AND SET BOTH
WINDOW.VALUES TO ZERO THE FIRST TIME YOU
VIEW A GIF. WHEN YOU GET AN IDEA OF HO
W THE.IMAGE APPEARS YOU CAN MOVE THE WIN
DOW TO THE AREA YOU WISH TO VIEW MORE.AC
CURATELY. THE BEST RESULTS ARE USUALLY
FOUND IN MULTI-COLOR HI-RES MODE WITH.A
WIDTH OF 160. GRAY SCALING OFTENS INCRE
ASES THE QUALITY. EXPERIMENT UNTIL.YOU
FEEL COMFORTABLE WITH THESE FEATURES...I
F YOU EVER COME ACROSS A GIF THAT WAS CR
EATED FROM A C64 GRAPHIC YOU SHOULD.ALWA
YS SET YOUR WINDOW VALUES TO A MULTIPLE
OF 8 SO THAT YOU DON'T GET."FRAMING" ERR
ORS. TO ILLUSTRATE THIS POINT I HAVE IN
CLUDED A GIF.("MIDEARTH.GIF") THAT I CRE
ATED FROM THE DOODLE FILE "DDMIDDLE EART
H." TO VIEW.THIS FILE SET OPTION "C" TO
"NO" SO THAT YOU ARE IN HI-RES MODE, AN
D SET YOUR.WINDOW VALUES TO ZERO. THEN
VIEW THE FILE. IF YOU DID IT CORRECTLY
YOU WILL.SEE A REPLICA OF "DDMIDDLE EART
H." NOW SET THE "WINDOW X" VALUE TO 1.
VIEW IT.AGAIN AND YOU WILL SEE "FRAMING
" ERRORS. YOU WILL FIND THAT WINDOW VAL
UES THAT.ARE MULTIPLES OF 8 WILL WORK CO
RRECTLY, BUT OTHER VALUES CORRUPT COLOR.
THE.REASON HAS TO DO WITH THE WAY THE
C64 DISPLAYS COLOR. IN HI-RES MODE EACH
8 X.8 MATRIX OF PIXELS CAN DISPLAY 2 CO
LORS. SUPPOSE THIS IS THE UPPER 16 X 8.
PIXELS IN THE IMAGE:..BBBBBBBB YYYYYYYY.
GGGGGGGG YYYYYYYY.BGBGBGBG YBYBYBYB
NOTE THAT EACH 8 X 8 AREA HAS AT MOST
2 COLORS.BBBBBBBB YYYYYYYY THE F
IRST HAS BLUE & GREEN, THE SECOND HAS.BB
BBBBBB YYYYYYYY YELLOW AND BLUE..
BBBBBBBB YYYYYYYY.BBBBBBBB YYYYYYYY.BBBB
BBBB YYYYYYYY..B=BLUE G=GREEN Y=YELLOW..
.WITH WINDOW X EQUAL TO 1 YOU EFFECTIVE
SHIFT THE PICTURE 1 PIXEL LEFT. YOU THE
.GET:..BBBBBBBY YYYYYYY?.GGGGGGGY YYYYYY
Y? EACH PIXEL WAS SHIFTED 1 TO TH
E LEFT. THE "?".GBGBGBGY BYBYBYB?
REPRESENT THE LEFTMOST PIXELS FROM THE
THIRD.BBBBBBBY YYYYYYY? 8 X 8 MA
TRIX (NOT SHOWN IN THIS EXAMPLE)..BBBBBB
BY YYYYYYY? THE LEFTMOST 8 X 8 MA
TRIX NOW HAS 3 COLORS IN IT,.BBBBBBBY YY
YYYYY? BLUE, GREEN, AND YELLOW.
THE C64 CANNOT PUT 3.BBBBBBBY YYYYYYY?
COLORS IN THIS AREA, AND THIS CAUS
ES A COLOR.BBBBBBBY YYYYYYY? CONF
LICT....THIS FRAMING ERROR OCCURS MOST N
OTABLY IN C64 FORMAT GIF'S...
> CLICK IMAGE PREVIEW FOR FULL MODAL