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54623: Clear Screen
Used by the routines at InitialiseGame, GameOver and GameCompleted.
Clears the screen to bright yellow on black, with a black border.
ClearScreen 54623 XOR A Make the border black.
54624 OUT (254),A
54626 CALL ClearAttributes Set the attributes of the screen to bright yellow on black.
54629 JR ClearScreenBitmap Jump to ClearScreenBitmap to clear the bitmap of the screen.
View the equivalent code in;
Before After ClearScreen
clear-screen-before clear-screen-after
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