| Routines

25656: Guide a character up a staircase

The address of this interruptible subcommand routine is placed into bytes 9 and 10 of a character's buffer by the routine at 25700.
Input
H | Character number (183-209)
25656 | LD L,0 | Point HL at byte 0 of the character's buffer
25658 | BIT 0,(HL) | Is the character midstride?
25660 | JP NZ,25597 | Finish the stride if so
25663 | LD L,11 | Byte 11 of the character's buffer holds the number of steps left to be climbed
25665 | DEC (HL) | One fewer now
25666 | JP Z,25488 | Terminate this interruptible subcommand if the top of the staircase has been reached
25669 | CALL 25012 | Update the SRB for the character's current animatory state and location
25672 | DEC D | Up a step
25673 | INC A | One foot forward
25674 | JP 24880 | Update the character's animatory state (to midstride) and location and update the SRB