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; Value macros
DEF percent EQUS "* $ff / 100"
MACRO bcd2
dn ((\1) / 1000) % 10, ((\1) / 100) % 10
dn ((\1) / 10) % 10, (\1) % 10
ENDM
MACRO bcd3
dn ((\1) / 100000) % 10, ((\1) / 10000) % 10
dn ((\1) / 1000) % 10, ((\1) / 100) % 10
dn ((\1) / 10) % 10, (\1) % 10
ENDM
; used in data/pokemon/base_stats/*.asm
MACRO tmhm
; initialize bytes to 0
FOR n, (NUM_TM_HM + 7) / 8
DEF _tm{d:n} = 0
ENDR
; set bits of bytes
REPT _NARG
IF DEF(\1_TMNUM)
DEF n = (\1_TMNUM - 1) / 8
DEF i = (\1_TMNUM - 1) % 8
DEF _tm{d:n} |= 1 << i
ELSE
FAIL "\1 is not a TM or HM move"
ENDC
SHIFT
ENDR
; output bytes
FOR n, (NUM_TM_HM + 7) / 8
db _tm{d:n}
ENDR
ENDM
; Constant data (db, dw, dl) macros
MACRO dbw
db \1
dw \2
ENDM
MACRO dwb
dw \1
db \2
ENDM
MACRO dn ; nybbles
REPT _NARG / 2
db ((\1) << 4) | (\2)
SHIFT 2
ENDR
ENDM
MACRO dba ; dbw bank, address
REPT _NARG
dbw BANK(\1), \1
SHIFT
ENDR
ENDM
MACRO dab ; dwb address, bank
REPT _NARG
dwb \1, BANK(\1)
SHIFT
ENDR
ENDM
MACRO sine_table
; \1 samples of sin(x) from x=0 to x<32768 (pi radians)
DEF x = 0
REPT \1
dw (sin(x) + (sin(x) & $ff)) >> 8 ; round up
DEF x += DIV(32768, \1) ; a circle has 65536 "degrees"
ENDR
ENDM
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