| Routines

45170: Get the LSB of the message address for a main character's name

Used by the routine at 45288. Returns with the LSB in L.
Input
B | 1-8 (corresponding to one of the eight main characters)
45170 | LD A,8 | C=8-B
45172 | SUB B
45173 | LD C,A
45174 | ADD A,A | A=8*(8-B)
45175 | ADD A,A
45176 | ADD A,A
45177 | SUB C | A=7*(8-B)
45178 | ADD A,A | A=14*(8-B)
45179 | ADD A,128 | A=128+14*(8-B)
45181 | LD L,A | Place this LSB in L
45182 | RET |