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average-ivs.bsps
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average-ivs.bsps
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define i, 0
define checksum, 2
define total_length, 4
define num_pokemon, 5
define block_offset, 6
Average_IVs:
set #block_offset, GALLERY_BLOCK_OFFSET1
call Average_IVs_Patch
set #block_offset, GALLERY_BLOCK_OFFSET2
call Average_IVs_Patch
return
Average_IVs_Patch:
seek #block_offset
readword #2 ; dummy read
readword #total_length
shiftright #total_length, 9
seekfwd 0x10
seekfwd WARRIOR_LIST_LENGTH
subtract #0, #total_length, WARRIOR_LIST_LENGTH
divide #num_pokemon, #0, 0xc
xor #i, #i
.loop
readword #2 ; dummy read
getfileword #2
and #2, 0xc0007fff
or #2, 0x1ef78000
writeword #2
getfileword #2
and #2, 0xffffffe0
or #2, 0x0f
writeword #2
increment #i
iflt #i, #num_pokemon, .loop
; calculate checksum
add #0, #block_offset, HEADER_LENGTH
seek #0
xor #i, #i
xor #checksum, #checksum
.checksum_loop
readbyte #1
add #checksum, #1
increment #i
iflt #i, #total_length, .checksum_loop
seek #block_offset
writeword #checksum
return