Routines
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63409: Change the primary command routine address
Used by the routines at 25420, 31338 and 63304. Places the address of the instruction following the CALL to this routine into bytes 8 and 9 of the character's buffer, thus making it the address of the character's primary command routine.
Input
H Character number (215-229)
63409 EX DE,HL Collect the return address from the stack into DE
63410 EX (SP),HL
63411 EX DE,HL
63412 LD A,L Save L in A briefly
63413 LD L,8 Copy the return address into bytes 8 and 9 of the character's buffer
63415 LD (HL),E
63416 INC L
63417 LD (HL),D
63418 LD L,A Restore the original contents of L
63419 EX DE,HL Restore the return address to the stack
63420 EX (SP),HL
63421 EX DE,HL
63422 RET
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