| Routines

7A0C: Place a telephone call

Used by the routine at 77D3. On entry, A holds the identifier of the telephone that Sam is calling.
Input
A | Telephone identifier
H | 0x7F
7A0C | LD L,$9A | Store the identifier of the telephone that Sam is calling at 7F9A
7A0E | LD (HL),A
7A0F | INC L | Set bit 5 of the telephone status flags at 7F9B
7A10 | LD (HL),$20
7A12 | LD A,$31 | Message 0x31: 'IT BEGAN RINGING'
7A14 | JP $75CA | Queue this message urgently