Routines
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7A57: Make a gangster walk up or down until Sam arrives
The address of this interruptible subcommand routine is placed into bytes 0x0E and 0x0F of a gangster's buffer by the primary command routine at 7A6A. It makes the gangster start or continue walking up or down a few paces unless he spots Sam, in which case the subcommand and current primary command are terminated.
Input
H Gangster's character number (0xD7-0xE0)
7A57 CALL $F68E Abort now if the gangster is midstride or has his arm up
7A5A CALL $739D Is Sam nearby, and should the gangster go after him?
7A5D JP C,$F6F1 Jump if not
7A60 LD L,$16 Copy the command list offset (from the gangster's region definition table) into byte 0x16 of the gangster's buffer
7A62 LD (HL),A
7A63 LD L,$0F Remove the address of this interruptible subcommand routine from bytes 0x0E and 0x0F of the gangster's buffer
7A65 LD (HL),$00
7A67 JP $F280 Terminate the current primary command, and move to the portion of the command list that deals with catching Sam
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