Difference between revisions of "Prevue Emulation:Curday.dat and Nxtday.dat"

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Revision as of 23:45, 7 December 2013

Curday.dat and Nxtday.dat Breakdowns...This is a Work in Progress and will be cleaned up soon...

The header information

AE3365N<ETX><SOH>6NYNNYYNYl<NUL><NUL>0<NUL>DREV 5<NUL>KHHR<NUL>Hawthorne<NUL>250<NUL>91<NUL>130<NUL>1300<NUL>

Settings block:

41 A (BCK in Diagnostics)

45 E (FWD in Diagnostics)

33 3 (Scroll Speed)

33 3 (Number of Text Ads allowed in Diagnostics)

36 6 (Number of Text Ads allowed in Diagnostics)

35 5 (LINE in Diagnostics - # of Lines allowed in Text Ads)

4E N ???(Or GRPH DST Y OR N in Diagnostics)

03 (ETX)

01 (SOH)

36 6 (TZ - TimeZone in Diagnostics)

4E N

59 Y (CONT?)

4E N

4E N

59 Y (CONT?)

59 Y (CONT?)

4E N

59 Y (CONT?)

6C l (VIN in Diagnostics)

00 (NUL)

00 (NUL)


0 <NUL> This is still being checked

DREV 5 <NUL> Hypothesis: This is a Data Revision # - If this is changed the grid is horribly messed up. This probably matches the various versions of Prevue software.

KHHR <NUL> 4 Letter Code for the Airport that Weather Conditions are downloaded for. - Set with I select code

Hawthorne <NUL> Displayed city name for Weather Conditions - Set with I select code

250 <NUL> Julian date from 0 to 255 - resets to 0 on day 256.

91 <NUL> Number of channel listings. Decreasing this in Curday.dat will remove channels from bottom of list. This is automatically built when the channel lineup is sent and data is saved to disk.

130 <NUL> This is still being checked

1300 <NUL> This is still being checked

The general pattern of Channel information for DREV 5:

1 Hex Character - Value is the Julian Day - in our example '['

5 digits for Channel number (string of data - no more than 5 characters)

6 null characters

6 character Source ID (if the Source ID is less than 6 characters, null characters will fill the rest of the space)

1 null character

6 character Call Letters (if the Call Letters are less than 6 characters, null characters will fill the rest of the space)

2 null characters

1 Hex Character 1st Flag of information (None, HiliteSrc, SumbySrc, VideoTagDisable, CAF_PPVSRC, Ditto, AltHiliteSrc, Stereo)

6 Hex character Timeslot Mask (in our example showing 6 ""ÿ"" characters)

6 Hex character Blackout Mask (in our example showing 6 null characters)

1 Hex Character for Flag #2 (still working on what thie one does, possibly flags the channel for Sports and Movie Summaries)

2 Hex Characters for Background Color (colors available are determined by Gradient.ini - in our example ÿÿ)

2 Characters for Brush ID (unknown format yet - possibly string - in our example 00)

2 Null Characters

1 Hex Character for 3rd Flag of information (Grid, MR, DNICHE, DMPLEX, and CF2_DPPV - possibly 3 additional flags as well)

6 Character Source ID again

Then the listings follows after this...

Notes:

The first character (in this case of the untouched listings - '[') is the character that corresponds to the HEX code for the Julian Date. All characters are good and will reset after FF to 00. This character changes daily.


Flag #1

This flag controls the following:

1st Char in HEX = STERE0/ALTHILITESRC/DITTO/CAF_PPVSRC 2nd Char in HEX = VIDEO_TAG_DISABLE/SumbySrc/HiliteSrc/None IMPORTANT: For channels showing None and Stereo, there is a hidden HEX Code 81 (decimal 129) at the beginning (listings that appears to be 17 digits in the code) - The HEX 81 does not print on-screen and is only visible in a HEX editor.

Timeslot Mask - Each character in this block turns the listings on or off for channels that go off-air.

ÿÿÿÿÿÿ block is for times the grid will show specific channel / message

HEX1 STEREO ALTHILITESRC DITTO CAF_PPVSRC HEX2 VIDEO_TAG_DISABLE SumbySrc HiliteSrc None
0 x 0 x
1 x 1 x
2 x 2 x
3 x 3 x
4 x 4 x
5 x 5 x
6 x 6 x
7 x 7 x
8 x 8 x
9 x 9 x
A x A x
B x B x
C x C x
D x D x
E x E x
F x F x
>>>>>
Position 15:00am to 8:59am
Position 29:00am to 12:59pm
Position 31:00pm to 4:59pm
Position 45:00pm to 8:59pm
Position 59:00pm to 12:59am
Position 61:00am to 4:59am

NUL Char will drop the listing from the list ü char will show the listing for the times that have ÿ ETX will show the off-air message. À will hide the listing

Flag #2

(Hex character 09 must be changed in a Hex editor only) 0-10, 11-20, 21-30, 31-40, 41-50, 51-60,61-70, 71-80, 81-90, 91-100, 101-110

Color Flags:

flag1 = 0x%02X, flag2 = 0x%04X, BgColor = 0x%02X, FgColor = 0x%02X, BrushId = %s
         ‚                                 ÿ             ÿ              00<nul><nul> 
                                   HEX 03 Yellow    HEX03 Yellow 

HEX 06 Gray HEX anything else is white

Colors are determined in Gradient.ini file - any color listed can be used for background...

Foreground Text is either Yellow (HEX03) or White (any other HEX value)

Flag #3

This flag controls the MR , Grid, and DMPLEX, DNICHE, CF2_DPPV.

1st HEX Char = CF2_DPPV

2nd HEX Char = DMPLEX / DNICHE / MR / Grid

Last Character before the last Source ID- Flag #3

For the Listings Themselves

<NUL> TimeSlot <NUL> Program Flags <NUL> Program Type <NUL> Movie Category <NUL> unknown type <NUL>

TimeSlot - between 0 and 49

Program Flags - in decimal form 0 to 255

Program Type - 1 for Movie, 5 for Sports, 19 for Children, 22 for News, 34 for General, etc. This is in decimal form

Movie Category (1 for Adult, 4-Comedy, 5, 7, 10-Musical 18(SciFi?), etc) This is in decimal form

unknown type: Last number appears to be 0 only, still trying to determine - could be carry over to Win NT Guide