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7B6A: Let Sam out of jail if necessary
Used by the command list at FCFC. Does nothing if Sam is not in jail; otherwise sets Sam's bail to some amount that he can afford, and lets him out of jail.
H 0xDB (Jailer)
7B6A XOR A Remove the address of this primary command routine from bytes 0x08 and 0x09 of the jailer's buffer, triggering a move to the next command in the command list after we are finished here
7B6B LD L,$09
7B6D LD (HL),A
7B6E LD HL,$7FEB The police flags are stored at 7FEB
7B71 BIT 7,(HL) Is Sam in jail?
7B73 RET Z Return if not
7B74 LD (HL),A Clear the police flags
7B75 LD H,A H=0
7B76 LD DE,($7F9E) Collect the number of bucks from 7F9E
7B7A CALL $F17F Get a random number in A
7B7D AND $07 Now HL holds a randomly chosen multiple of 10 between 20 and 90
7B7F ADD A,$02
7B81 LD C,A
7B82 ADD A,A
7B83 ADD A,A
7B84 ADD A,C
7B85 ADD A,A
7B86 LD L,A
7B87 SBC HL,DE Subtract Sam's cash supply from this number
7B89 JR NC,$7B7A Jump back to generate another bail amount if Sam's cash supply is too small (which could lead to an infinite loop)
7B8B LD A,C A=ASCII code for the tens digit of the bail amount
7B8C ADD A,$30
7B8E LD ($7FD0),A Store this at 7FD0
7B91 LD A,C Subtract the bail amount from Sam's cash supply
7B92 CALL $6E87
7B95 LD A,$34 Message 0x34: ' THE BAIL WAS ${tens digit}0'
7B97 JP $6EC5 Queue this message
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