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Routines |
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Used by the routines at COLOUR_CLOCK_BOX, REMOTE_ROBOT, SUMMARISE_CHAMBERS, PRINT_ROLLING_DIGIT, STEP_FROM_FACING, PLAY_NOTE, WARBLE_SOUND, HANDLE_LEFT_RIGHT, BUILD_ROOM and VFLIP_SPRITE_DATA.
A is treated as unsigned, and comes back holding H. As Knight Lore's add_HL_A.
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| ADD_HL_A | CE06 | ADD A,L | ||||||||
| CE07 | LD L,A | |||||||||
| CE08 | LD A,H | |||||||||
| CE09 | ADC A,$00 | |||||||||
| CE0B | LD H,A | |||||||||
| CE0C | RET | |||||||||
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