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Routines |
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30458 | CALL 29854 | Is Sam standing next to a telephone? | |||||||
30461 | RET Z | Return if not | |||||||
30462 | LD HL,32658 | The buffer at 32658 will hold the digits dialled by Sam | |||||||
30465 | LD BC,1280 | B=5, C=0 | |||||||
30468 | LD (HL),C | Initialise the digit buffer at 32658 by filling it with zeroes | |||||||
30469 | INC L | ||||||||
30470 | DJNZ 30468 | ||||||||
30472 | LD L,155 | HL=32667 (telephone call status flags) | |||||||
30474 | CCF | A=128 if the phone is ringing, 0 otherwise | |||||||
30475 | SBC A,A | ||||||||
30476 | AND 128 | ||||||||
30478 | LD (HL),A | Set bit 7 at 32667 if Sam has picked up a ringing telephone | |||||||
30479 | LD L,252 | HL=32764 (Sam's status flags) | |||||||
30481 | LD (HL),16 | Set bit 4: Sam is on the phone | |||||||
30483 | LD L,211 | Store the phone's identifier at 32723 | |||||||
30485 | LD (HL),E | ||||||||
30486 | JR NZ,30495 | Jump if the phone is ringing | |||||||
30488 | LD A,2 | Subtract $2 from Sam's cash supply | |||||||
30490 | CALL 28300 | ||||||||
30493 | JR 30501 | ||||||||
Sam has picked up a telephone that is ringing.
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30495 | LD A,(23673) | Collect the second byte of the FRAMES system variable, which is incremented every 5.12s | |||||||
30498 | LD L,153 | Copy this byte to 32665 | |||||||
30500 | LD (HL),A | ||||||||
30501 | LD A,41 | Message 41: 'I LIFTED THE PHONE ' | |||||||
30503 | CALL 30154 | Queue the message urgently | |||||||
This entry point is used by the routine at 61923.
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30506 | LD H,230 | 230=Sam | |||||||
30508 | JP 60654 | Make a sound effect |
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