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pokecrystal/macros/data.asm

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Legacy support macros
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; Value macros
percent EQUS "* $ff / 100"
Reorganize macros
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; Constant data (db, dw, dl) macros
dwb: MACRO
dw \1
db \2
endm -> ENDM
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ENDM
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dbw: MACRO
db \1
dw \2
endm -> ENDM
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ENDM
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dbbw: MACRO
db \1, \2
dw \3
endm -> ENDM
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ENDM
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dbww: MACRO
db \1
dw \2, \3
endm -> ENDM
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ENDM
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dbwww: MACRO
db \1
dw \2, \3, \4
endm -> ENDM
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ENDM
Reorganize macros
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dn: MACRO ; nybbles
sine_wave macro parameterizes table size, not frequency ("amplitude" was an incorrect comment)
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rept _NARG / 2
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db ((\1) << 4) | (\2)
Upgrade to rgbds 0.4.0 - fail for rgbds < 0.4.0 - `rst <Label>` - `ds <count>, <byte>` - `shift <N>` - ASCII "\r" - Sorted .sym file
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shift 2
sine_wave macro parameterizes table size, not frequency ("amplitude" was an incorrect comment)
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endr
endm -> ENDM
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ENDM
Reorganize macros
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dc: MACRO ; "crumbs"
sine_wave macro parameterizes table size, not frequency ("amplitude" was an incorrect comment)
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rept _NARG / 4
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db ((\1) << 6) | ((\2) << 4) | ((\3) << 2) | (\4)
Upgrade to rgbds 0.4.0 - fail for rgbds < 0.4.0 - `rst <Label>` - `ds <count>, <byte>` - `shift <N>` - ASCII "\r" - Sorted .sym file
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shift 4
sine_wave macro parameterizes table size, not frequency ("amplitude" was an incorrect comment)
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endr
endm -> ENDM
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ENDM
Reorganize macros
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dx: MACRO
x = 8 * ((\1) - 1)
sine_wave macro parameterizes table size, not frequency ("amplitude" was an incorrect comment)
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rept \1
Reorganize macros
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db ((\2) >> x) & $ff
rgbds supports 'X - 1' instead of 'X + -1'
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x = x - 8
sine_wave macro parameterizes table size, not frequency ("amplitude" was an incorrect comment)
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endr
endm -> ENDM
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ENDM
Reorganize macros
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dt: MACRO ; three-byte (big-endian)
dx 3, \1
endm -> ENDM
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ENDM
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dd: MACRO ; four-byte (big-endian)
dx 4, \1
endm -> ENDM
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ENDM
Reorganize macros
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bigdw: MACRO ; big-endian word
Use existing bigdw macro
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dx 2, \1 ; db HIGH(\1), LOW(\1)
endm -> ENDM
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ENDM
Reorganize macros
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dba: MACRO ; dbw bank, address
sine_wave macro parameterizes table size, not frequency ("amplitude" was an incorrect comment)
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rept _NARG
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dbw BANK(\1), \1
shift
sine_wave macro parameterizes table size, not frequency ("amplitude" was an incorrect comment)
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endr
endm -> ENDM
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ENDM
Reorganize macros
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dab: MACRO ; dwb address, bank
sine_wave macro parameterizes table size, not frequency ("amplitude" was an incorrect comment)
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rept _NARG
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dwb \1, BANK(\1)
shift
sine_wave macro parameterizes table size, not frequency ("amplitude" was an incorrect comment)
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endr
endm -> ENDM
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ENDM
Reorganize macros
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dba_pic: MACRO ; dbw bank, address
db BANK(\1) - PICS_FIX
dw \1
ENDM
Macro factors out sine code, just like sine data, since it's used 5 times
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bcd: MACRO
rept _NARG
dn ((\1) % 100) / 10, (\1) % 10
shift
endr
ENDM
sine_table: MACRO
Use fixed-point DIV function for a generalized sine_wave table macro
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; \1 samples of sin(x) from x=0 to x<32768 (pi radians)
x = 0
sine_wave macro parameterizes table size, not frequency ("amplitude" was an incorrect comment)
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rept \1
dw (sin(x) + (sin(x) & $ff)) >> 8 ; round up
Use fixed-point DIV function for a generalized sine_wave table macro
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x = x + DIV(32768, \1) ; a circle has 65536 "degrees"
sine_wave macro parameterizes table size, not frequency ("amplitude" was an incorrect comment)
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endr
Reorganize macros
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ENDM