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Portable Network Graphic  |  1997-07-26  |  120KB  |  816x1056  |  8-bit (256 colors)
Labels: book | bulletin board | encyclical | poster | reckoner | windowpane
OCR: Me katow thephysical size of Baghrlineunbytes trtorn Ahee systonnyariabtogsoroenrow" or youqald get it from the device list at gdPMap Now its just a matter of clearing the number of lines In this example the physical length of each line is read from SCREEN ROW and the number of lines read from the device fist We can use two loops tc clear the screen the first clearing bytes until the physical screen length of the line has have been cleared, the other loop counting the lines, until all of them have been cleared *EXAMPL E 8 CIF ARING THE SCREEN *AUTHOR STUART BALL JULY 94 *SCREEN MUSTBE SETTO 256 COLOUR MODE FOR THIS EXAMPLE SCREENROW EQU $0106 WIDTH OF EACH SCREEN LINE DE VICEL IST EQU $08A8 THE ADDRESS OF DEVICELIST gdPMap offset: EQU EXAMPI E8 MOVEM.I A5-A6,-(SP) SAVE MAC WORLD BSR INIT I ...