GIF decoder

$regfile = "m32def.dat"
$crystal = 8000000
$hwstack = 32
$swstack = 32
$framesize = 24

'---- this section from Gif Properties
Const Total_frame = 8
Const Width = 24
Const Height = 24
'---- end of Gif Properties

Const Number_of_matrix_in_row = Width / 8
Const Byte_in_col = Height / 8
Const Frame_size = Width * Byte_in_col
Const Number_of_byte_in_8_col = Byte_in_col * 8

Declare Sub Readframe(byval Frame_number As Word)
' Port A for COL refresh
Config Porta = Output
' Port D for 74595 register
Config Portd = Output
Config Timer0 = Timer , Prescale = 64                       'Clock value: 15.625 kHz
On Ovf0 Refresh
Enable Timer0                                               ' enable the timer interrupt
Enable Interrupts
Sh_cp Alias Portd.3
Ds Alias Portd.4
St_cp Alias Portd.5
Mr Alias Portd.6
Oe Alias Portd.7
Col_port Alias Porta
Dim Col As Byte
Dim Buf(frame_size) As Byte
Dim I As Byte
Dim Matrix_counter As Word
Dim Buf_idx As Word
Dim Col_number_in_buf As Byte
Dim Frame_count As Word

Reset Mr
Set Mr
Reset Oe
Do
For Frame_count = 1 To Total_frame
Readframe Frame_count
Waitms 200
Next Frame_count
Loop
End                                                         'end program

Sub Readframe(byval Frame_number As Word)
Local Idx As Word
Local Lookup_idx As Word
Disable Timer0
Decr Frame_number
'Start of Frame in lookup table
Lookup_idx = Frame_number * Frame_size
For Idx = 0 To Frame_size
  Buf(idx) = Lookup(lookup_idx , Ani )
  Incr Lookup_idx
Next Idx
Enable Timer0
End Sub

Refresh:
Reset Mr
Set Mr
Col_port = &H00
Set Oe
Col_port = 2 ^ Col
For Matrix_counter = 1 To Number_of_matrix_in_row
  Col_number_in_buf = Number_of_matrix_in_row - Matrix_counter
  Col_number_in_buf = Col_number_in_buf * Number_of_byte_in_8_col
  Buf_idx = Col * Byte_in_col
  Buf_idx = Buf_idx + Col_number_in_buf
  For I = 1 To Byte_in_col
   Shiftout Ds , Sh_cp , Buf(buf_idx) , 1 , 8
   Incr Buf_idx
  Next I
Next Matrix_counter
Reset St_cp
Set St_cp
Reset Oe
If Col < 7 Then
Incr Col
Else
Col = 0
End If
Return

'---- this delay table from Frame Properties
Delay:
'Frame 1
Data 200%
'Frame 2
Data 100%
'Frame 3
Data 100%
'Frame 4
Data 100%
'Frame 5
Data 100%
'Frame 6
Data 100%
'Frame 7
Data 100%
'Frame 8
Data 100%

Ani:

Test Gif Animation

Sample Gif Animation (click to generate code)

'****************************************************
'* This Code Generate By : Hossein Lachini          *
'* The GIF Animation to Hex Code for LED Sign Board *
'* For to get more details visit :                  *
'*                           www.HLachini.com       *
'* Contact to me by : eLachini@Gmail.com            *
'* Mobile/SMS :              +98 912 381 2060       *
'****************************************************
' Width : 24
' Height : 24
' Toltal Frame : 8

' Frame 1
' Delay : 100ms
Data &H00, &H00, &H00 '........................

Data &H00, &H18, &H00 '...........##...........

Data &H00, &H3C, &H00 '..........####..........

Data &H00, &H3C, &H60 '..........####...##.....

Data &H06, &H3C, &HF0 '.....##...####..####....

Data &H07, &H3D, &HF0 '.....###..####.#####....

Data &H0E, &H01, &HF8 '....###........######...

Data &H06, &H00, &HF8 '.....##.........#####...

Data &H00, &H00, &H70 '.................###....

Data &H00, &H00, &H3E '..................#####.

Data &H00, &H00, &H3F '..................######

Data &H00, &H00, &H7F '.................#######

Data &H00, &H00, &H7E '.................######.

Data &H00, &H00, &H7F '.................#######

Data &H00, &H00, &H3C '..................####..

Data &H00, &H00, &H08 '....................#...

Data &H00, &H00, &H00 '........................

' Frame 2
' Delay : 100ms
Data &H00, &H00, &H00 '........................

Data &H00, &H00, &H00 '........................

Data &H00, &H18, &H00 '...........##...........

Data &H00, &H3C, &H00 '..........####..........

Data &H00, &H38, &HF0 '..........###...####....

Data &H00, &H09, &HF0 '............#..#####....

Data &H00, &H00, &HF0 '................####....

Data &H00, &H00, &H70 '.................###....

Data &H00, &H00, &H00 '........................

Data &H00, &H00, &H18 '...................##...

Data &H00, &H00, &H3E '..................#####.

Data &H00, &H00, &H7E '.................######.

Data &H00, &H00, &H3E '..................#####.

Data &H00, &H00, &H3C '..................####..

Data &H00, &H00, &HF0 '................####....

Data &H00, &H01, &HF8 '...............######...

Data &H00, &H00, &HF0 '................####....

Data &H00, &H00, &H00 '........................

' Frame 3
' Delay : 100ms
Data &H00, &H00, &H00 '........................

Data &H00, &H00, &H00 '........................

Data &H00, &H00, &H40 '.................#......

Data &H00, &H00, &HF0 '................####....

Data &H00, &H00, &H40 '.................#......

Data &H00, &H00, &H00 '........................

Data &H00, &H00, &H1C '...................###..

Data &H00, &H00, &H3E '..................#####.

Data &H00, &H00, &H1C '...................###..

Data &H00, &H00, &H00 '........................

Data &H00, &H00, &H70 '.................###....

Data &H00, &H00, &HF0 '................####....

Data &H00, &H1D, &HF8 '...........###.######...

Data &H00, &H7F, &HF8 '.........############...

Data &H00, &HFE, &H60 '........#######..##.....

Data &H00, &H7E, &H00 '.........######.........

Data &H00, &H3E, &H00 '..........#####.........

Data &H00, &H38, &H00 '..........###...........

' Frame 4
' Delay : 100ms
Data &H00, &H00, &H00 '........................

Data &H00, &H00, &H00 '........................

Data &H00, &H00, &H08 '....................#...

Data &H00, &H00, &H3C '..................####..

Data &H00, &H00, &H1C '...................###..

Data &H00, &H00, &H18 '...................##...

Data &H00, &H00, &H00 '........................

Data &H0F, &H00, &H00 '....####................

Data &H1F, &H80, &HE0 '...######.......###.....

Data &H1F, &H98, &HF0 '...######..##...####....

Data &H1F, &HBD, &HF0 '...######.####.#####....

Data &H1F, &HFE, &HF0 '...############.####....

Data &H0F, &H7E, &H00 '....####.######.........

Data &H00, &H7C, &H00 '.........#####..........

Data &H00, &H3C, &H00 '..........####..........

Data &H00, &H00, &H00 '........................

' Frame 5
' Delay : 100ms
Data &H00, &H00, &H00 '........................

Data &H00, &H00, &H00 '........................

Data &H10, &H00, &H00 '...#....................

Data &H3C, &H00, &H00 '..####..................

Data &HFE, &H00, &H00 '#######.................

Data &H7E, &H00, &H00 '.######.................

Data &HFE, &H00, &H00 '#######.................

Data &HFC, &H00, &H00 '######..................

Data &H3C, &H00, &H00 '..####..................

Data &H1E, &H00, &H00 '...####.................

Data &H0F, &H00, &H60 '....####.........##.....

Data &H1F, &H80, &H70 '...######........###....

Data &H1F, &H9C, &HE0 '...######..###..###.....

Data &H0F, &HBC, &H60 '....#####.####...##.....

Data &H07, &H3E, &H00 '.....###..#####.........

Data &H00, &H3C, &H00 '..........####..........

Data &H00, &H18, &H00 '...........##...........

Data &H00, &H00, &H00 '........................

' Frame 6
' Delay : 100ms
Data &H00, &H00, &H00 '........................

Data &H00, &H00, &H00 '........................

Data &H0F, &H00, &H00 '....####................

Data &H1F, &H80, &H00 '...######...............

Data &H0F, &H00, &H00 '....####................

Data &H3C, &H00, &H00 '..####..................

Data &H7C, &H00, &H00 '.#####..................

Data &H7E, &H00, &H00 '.######.................

Data &H7C, &H00, &H00 '.#####..................

Data &H18, &H00, &H00 '...##...................

Data &H00, &H00, &H00 '........................

Data &H0F, &H00, &H00 '....####................

Data &H0F, &H80, &H00 '....#####...............

Data &H0F, &H08, &H00 '....####....#...........

Data &H07, &H38, &H00 '.....###..###...........

Data &H00, &H1C, &H00 '...........###..........

Data &H00, &H38, &H00 '..........###...........

Data &H00, &H00, &H00 '........................

' Frame 7
' Delay : 100ms
Data &H00, &H18, &H00 '...........##...........

Data &H00, &H3C, &H00 '..........####..........

Data &H00, &H7E, &H00 '.........######.........

Data &H06, &HFF, &H00 '.....##.########........

Data &H1F, &HFE, &H00 '...############.........

Data &H1F, &HB8, &H00 '...######.###...........

Data &H0F, &H00, &H00 '....####................

Data &H0E, &H00, &H00 '....###.................

Data &H00, &H00, &H00 '........................

Data &H38, &H00, &H00 '..###...................

Data &H7C, &H00, &H00 '.#####..................

Data &H38, &H00, &H00 '..###...................

Data &H00, &H00, &H00 '........................

Data &H03, &H00, &H00 '......##................

Data &H0F, &H00, &H00 '....####................

Data &H02, &H00, &H00 '......#.................

Data &H00, &H00, &H00 '........................

' Frame 8
' Delay : 100ms
Data &H00, &H00, &H00 '........................

Data &H00, &H3C, &H00 '..........####..........

Data &H00, &H7E, &H00 '.........######.........

Data &H00, &H7E, &HF0 '.........######.####....

Data &H0F, &H7F, &HF8 '....####.############...

Data &H0F, &HBD, &HF8 '....#####.####.######...

Data &H0F, &H03, &HF8 '....####......#######...

Data &H07, &H01, &HF8 '.....###.......######...

Data &H00, &H01, &HF0 '...............#####....

Data &H00, &H00, &H00 '........................

Data &H18, &H00, &H00 '...##...................

Data &H38, &H00, &H00 '..###...................

Data &H3C, &H00, &H00 '..####..................

Data &H10, &H00, &H00 '...#....................

Data &H00, &H00, &H00 '........................

Led Sign Tool by Hossein Lachini