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Routines |
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Used by the routine at F300. Copies the message address into bytes 0x6B and 0x6C of EINSTEIN's buffer, and then signals that it's his turn to speak.
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7CAF | LD DE,$A96B | Point HL at byte 0x6B of EINSTEIN's buffer | ||||||||||
7CB2 | EX DE,HL | |||||||||||
7CB3 | LD (HL),C | Copy the message address in BC into bytes 0x6B and 0x6C of EINSTEIN's buffer | ||||||||||
7CB4 | INC L | |||||||||||
7CB5 | LD (HL),B | |||||||||||
This entry point is used by the routine at F400.
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7CB6 | LD HL,$7FC9 | 7FC9 holds the lesson signal flags | ||||||||||
7CB9 | SET 7,(HL) | Signal (to the routine at 79BA) that it's EINSTEIN's turn to speak | ||||||||||
7CBB | EX DE,HL | |||||||||||
7CBC | LD L,$6A | Place the address of the interruptible subcommand routine at 7CC8 into bytes 0x69 and 0x6A of the teacher's buffer | ||||||||||
7CBE | LD (HL),$7C | |||||||||||
7CC0 | DEC L | |||||||||||
7CC1 | LD (HL),$C8 | |||||||||||
7CC3 | POP DE | Collect the return address in DE and copy it to bytes 0x63 and 0x64 of the teacher's buffer (so that control will resume there when 7CC8 relinquishes it) | ||||||||||
7CC4 | LD L,$63 | |||||||||||
7CC6 | LD (HL),E | |||||||||||
7CC7 | RET | Return to the main loop |
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