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67E9: Draw Playarea
Used by the routines at 6800, 6AAC, Game_Loop and Handler_GameOver.
DrawPlayarea 67E9 LD HL,$7814 Return if *7814 is not equal to 02.
67EC LD A,(HL)
67ED CP $02
67EF RET NZ
67F0 LD (HL),$00 Write 00 to *HL.
67F2 INC HL Increment HL by one.
67F3 LD A,(HL) A=*HL.
67F4 AND A Return if A is zero.
67F5 RET Z
67F6 LD (HL),$00 Write 00 to *HL.
67F8 CP $02 Jump to ScrollAttributes_Left if A is equal to 02.
67FA JP Z,ScrollAttributes_Left
67FD JP ScrollAttributes_Right Jump to ScrollAttributes_Right.
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