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Revs on the BBC Micro

Screen buffer: zeroIfYIs55

Name: zeroIfYIs55 [Show more] Type: Variable Category: Screen buffer Summary: A lookup table for zeroing Y if and only if it is &55
Context: See this variable in context in the source code References: This variable is used as follows: * DRAW_BYTE uses zeroIfYIs55
.zeroIfYIs55 FOR I%, 0, 255 IF I% = &55 B% = 0 ELSE B% = I% ENDIF EQUB B% NEXT