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Routines |
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Used by the routine at GAME_ENDED.
1792 bytes from OBJECTS, the robot's records included: used when a game has ended (GAME_ENDED). The entry point CLR_MEM clears BC bytes from HL, and CLR_BYTE fills them with E; the start of a game clears the variables and records with CLR_MEM (START, AFTER_GAME). As Knight Lore's clr_mem and clr_byte.
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| CLEAR_OBJECTS | CE4E | LD HL,OBJECTS | All the records | |||||||||
| CE51 | LD BC,$0700 | |||||||||||
| CE54 | JR CLR_MEM | |||||||||||
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This entry point is used by the routines at START, AFTER_GAME and CLR_BITMAP_MEMORY.
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| CLR_MEM | CE56 | LD E,$00 | Zero | |||||||||
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This entry point is used by the routines at CLR_ATTRIBUTE_MEMORY and CLEAR_SCRN_BUFFER.
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| CLR_BYTE | CE58 | LD (HL),E | One at a time: BC is a 16-bit count | |||||||||
| CE59 | INC HL | |||||||||||
| CE5A | DEC BC | |||||||||||
| CE5B | LD A,B | |||||||||||
| CE5C | OR C | |||||||||||
| CE5D | JR NZ,CLR_BYTE | |||||||||||
| CE5F | RET | |||||||||||
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