BlitzBasic : Commodore 64 depacking screen [BB2D]

[Dad1916]

Similar in concept to the BlitzMax code previously posted : http://dbfinteractive.com/index.php?topic=421.0

Posted with permission of the author Einar Wedoe of http://blitzbasic.no/
Exe here http://blitzbasic.no/div/decrunch.zip

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AppTitle "Decrunch"

; Version 1.0
; April 2001
; Made by Einar Wedøe
; Programtype: Blast from the past :-)
; Does nothing at all but simulate a decrunch routine from the C64 days !

Graphics 640,480,16,1

Global font1
font1=LoadFont ("verdana",20,False,False,False) ; Sett up font
SetFont font1

SetBuffer BackBuffer() ; Start with the backbuffer()
Global frametimer=CreateTimer(75) ; Set up timer to make everything run nice on all PC's

;---------------------------
.start ; Mainloop

While Not KeyHit(1) ; Loop until ESC is pressed
WaitTimer(frametimer) ; Wait....
Cls ; Clean up
flash ; Do the flash
  Color 255,255,255 ; Set color to white for the text
    Text 240,235,"Decrunching..." ; Set dumy-text
Flip ; Change buffer
Wend ; Next round please
End ; Tha's it !

;---------------------------
Function flash() ; Flashroutine
a=0 ; Reset counter
.flashloop
Color Rand(255),Rand(255),Rand(255) ; Set color randomly
tmp=Rand(10) ; Set size of next line random
  Rect 0,a,640,tmp ; Draw the rect (the next flashline)
   a=a+tmp ; Increase counter with height of the rect
    If a > 480 Then Goto endflash ; Are we at the bottom yet ?
   Goto flashloop ; If not make another rectangle
.endflash
End Function ; Thats it for this frame
;----------------------------

[Shockwave]

That manages to look really authentic even though it's not using the original C64 Palette
Nice one.