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Routines |
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Used by the routines at 7866 and FB52. Hides the play area and clears the screen refresh buffer (SRB).
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FC57 | LD HL,$5A7F | Set the attribute bytes for the top 20 rows of the screen to 9 (INK 1: PAPER 1) | ||||||
FC5A | LD (HL),$09 | |||||||
FC5C | DEC HL | |||||||
FC5D | BIT 3,H | |||||||
FC5F | JR NZ,$FC5A | |||||||
FC61 | LD HL,$7F5F | Set every byte in the SRB to 0 | ||||||
FC64 | LD (HL),$00 | |||||||
FC66 | DEC L | |||||||
FC67 | JR NZ,$FC64 | |||||||
FC69 | RET |
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