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Routines |
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Used by the routine at GameStart.
Clear the current display buffer.
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| Clear_DisplayBuffer | EA44 | LD HL,($72F5) | Load HL with the current display-buffer pointer (Pointer_CurrentDisplayBuffer). | |
| EA47 | LD BC,$077F | Load BC with 077F. | ||
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This entry point is used by the routine at Clear_BothDisplayBuffers.
Shared zero-fill used to clear one or both display buffers.
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| Fill_MemoryWithZero | EA4A | XOR A | Clear A to 00. | |
| EA4B | LD (HL),A | Set the byte at HL. | ||
| EA4C | LD D,H | Copy HL to DE. | ||
| EA4D | LD E,L | Copy HL to DE. | ||
| EA4E | INC DE | Advance the clear-attributes destination by one. | ||
| EA4F | LDIR | Copy bytes from *HL to *DE until BC is zero. | ||
| EA51 | RET | Return. | ||
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