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Routines |
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7DB2 | LD A,($7FF4) | Pick up the lesson descriptor from 7FF4 | ||||||||
7DB5 | AND $F0 | Keep only the 'teacher' bits (4-7) | ||||||||
7DB7 | RLCA | A=character number of the teacher (0xA3-0xA6) who is teaching ERIC and EINSTEIN this period | ||||||||
7DB8 | RLCA | |||||||||
7DB9 | RLCA | |||||||||
7DBA | RLCA | |||||||||
7DBB | ADD A,$A3 | |||||||||
7DBD | CP H | Set the zero flag if this teacher is teaching ERIC | ||||||||
7DBE | LD L,$63 | |||||||||
7DC0 | JR Z,$7DC7 | Jump if we're dealing with ERIC's teacher | ||||||||
7DC2 | LD (HL),$30 | Replace the address of this routine in bytes 0x63 and 0x64 of the teacher's buffer with 7D30, and jump there now to start the lesson | ||||||||
7DC4 | JP $7D30 | |||||||||
This teacher has the pleasure of conducting ERIC's class this period.
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7DC7 | LD (HL),$00 | Replace the address of this routine in bytes 0x63 and 0x64 of the teacher's buffer with that of F300 | ||||||||
7DC9 | INC L | |||||||||
7DCA | LD (HL),$F3 | |||||||||
7DCC | LD A,$00 | Clear all the lesson status flags at 7FC8 | ||||||||
7DCE | LD ($7FC8),A | |||||||||
7DD1 | JP $F300 | Start the lesson |
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