| Routines

79CA: Control EINSTEIN during class (2)

The address of this primary command routine is placed into bytes 0x63 and 0x64 of EINSTEIN's buffer by the routine at 79BA. After EINSTEIN has finished speaking, control resumes here.
Input
H | 0xA9 (EINSTEIN)
79CA | LD L,$63 | Replace the address of this primary command routine in bytes 0x63 and 0x64 of EINSTEIN's buffer with that of 79BA
79CC | LD (HL),$BA
79CE | LD HL,$7FC9 | 7FC9 holds the lesson signal flags
79D1 | RES 7,(HL) | Signal: EINSTEIN has just spoken (so it's now the teacher's turn to speak)
79D3 | RET |