![]() |
Routines |
Prev: 30457 | Up: Map |
|
||||||||||
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.
|
||||||||||
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.
|
||||||||||
30506 | LD H,230 | 230=Sam | ||||||||
30508 | JP 60654 | Make a sound effect |
Prev: 30457 | Up: Map |