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Routines |
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27126 | LD L,97 | Pick up the little boy's y-coordinate in A | |||||||
27128 | LD A,(HL) | ||||||||
27129 | CALL 26185 | Is the boy on a staircase? | |||||||
27132 | RET NZ | Return if so | |||||||
27133 | LD B,10 | We will check characters 163-172 (teachers and main kids) | |||||||
27135 | LD DE,41826 | D=163 (MR WACKER), E=98 | |||||||
27138 | INC L | L=98 | |||||||
27139 | EX DE,HL | ||||||||
27140 | LD A,(DE) | A=little boy's x-coordinate | |||||||
27141 | CP (HL) | Does this teacher's or main kid's x-coordinate match? | |||||||
27142 | JR Z,27149 | Jump if so | |||||||
27144 | INC H | Next teacher or main kid | |||||||
27145 | DJNZ 27140 | Jump back until all teachers and main kids have been checked | |||||||
27147 | EX DE,HL | ||||||||
27148 | RET | ||||||||
A teacher or main kid is at the same x-coordinate as the little boy. Now check the y-coordinates.
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27149 | DEC E | E=L=97 | |||||||
27150 | DEC L | ||||||||
27151 | LD A,(DE) | A=little boy's y-coordinate | |||||||
27152 | INC E | E=98 | |||||||
27153 | CP (HL) | Does this teacher's or main kid's y-coordinate match? | |||||||
27154 | INC HL | L=98 | |||||||
27155 | JR NZ,27144 | Consider the next teacher or main kid if not | |||||||
A teacher or main kid is at the same location as the little boy.
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27157 | LD L,112 | Bytes 111 and 112 of the character's buffer may hold a routine address; pick up the MSB in A | |||||||
27159 | LD A,(HL) | ||||||||
27160 | LD L,98 | ||||||||
27162 | AND A | Is there an uninterruptible subcommand routine address in bytes 111 and 112? | |||||||
27163 | JR NZ,27144 | Consider the next teacher or main kid if so | |||||||
27165 | LD A,H | A=number of the character in the same location as the little boy | |||||||
27166 | CP 172 | Is it ERIC? | |||||||
27168 | JR Z,27184 | Jump if so | |||||||
27170 | LD L,111 | Place the address of the uninterruptible subcommand routine at 27206 into bytes 111 and 112 of the teacher's or main kid's buffer | |||||||
27172 | LD (HL),70 | ||||||||
27174 | INC L | ||||||||
27175 | LD (HL),106 | ||||||||
27177 | INC L | Initialise the timing parameter in byte 113 of the character's buffer (which determines how long the character will stay down) | |||||||
27178 | LD (HL),20 | ||||||||
27180 | LD L,98 | ||||||||
27182 | JR 27144 | Consider the next teacher or main kid | |||||||
ERIC is in the same location as the little boy. Knock ERIC out.
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27184 | LD HL,32763 | 32763 holds ERIC's status flags | |||||||
27187 | SET 4,(HL) | Signal: ERIC has been knocked out | |||||||
27189 | EX DE,HL | ||||||||
27190 | RET |
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