mirror of https://github.com/pret/pokecrystal.git
221 lines
2.8 KiB
NASM
221 lines
2.8 KiB
NASM
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text EQUS "db $00," ; Start writing text.
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next EQUS "db $4e," ; Move a line down.
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line EQUS "db $4f," ; Start writing at the bottom line.
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para EQUS "db $51," ; Start a new paragraph.
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cont EQUS "db $55," ; Scroll to the next line.
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done EQUS "db $57" ; End a text box.
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prompt EQUS "db $58" ; Prompt the player to end a text box (initiating some other event).
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; Pokedex text commands are only used with pokered.
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; They are included for compatibility.
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page EQUS "db $50," ; Start a new Pokedex page.
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dex EQUS "db $e8, $50" ; End a Pokedex entry.
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percent EQUS "* $ff / 100"
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; macros require rst vectors to be defined
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FarCall EQU $08
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Bankswitch EQU $10
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JumpTable EQU $28
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NONE EQU 0
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dwb: MACRO
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dw \1
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db \2
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ENDM
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dbw: MACRO
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db \1
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dw \2
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ENDM
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dbbw: MACRO
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db \1, \2
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dw \3
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ENDM
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dn: MACRO
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db \1 << 4 + \2
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ENDM
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dt: MACRO ; three-byte (big-endian)
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db (\1 >> 16) & $ff
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db (\1 >> 8) & $ff
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db \1 & $ff
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ENDM
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bigdw: MACRO ; big-endian word
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dw ((\1)/$100) + (((\1)&$ff)*$100)
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ENDM
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callab: MACRO ; address, bank
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ld hl, \1
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ld a, BANK(\1)
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rst FarCall
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ENDM
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callba: MACRO ; bank, address
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ld a, BANK(\1)
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ld hl, \1
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rst FarCall
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ENDM
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lb: MACRO ; r, hi, lo
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ld \1, \2 << 8 + \3
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ENDM
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; Constant enumeration
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const_def: MACRO
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const_value SET 0
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ENDM
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const: MACRO
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\1 EQU const_value
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const_value SET const_value + 1
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ENDM
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TX_RAM: MACRO
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db 1
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dw \1
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ENDM
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TX_FAR: MACRO
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db $16
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dw \1
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db BANK(\1)
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ENDM
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RGB: MACRO
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dw ((\3 << 10) | (\2 << 5) | (\1))
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ENDM
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note: MACRO
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db \1 << 4 + (\2 - 1)
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ENDM
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; pitch
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__ EQU 0
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C_ EQU 1
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C# EQU 2
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D_ EQU 3
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D# EQU 4
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E_ EQU 5
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F_ EQU 6
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F# EQU 7
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G_ EQU 8
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G# EQU 9
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A_ EQU 10
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A# EQU 11
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B_ EQU 12
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bccoord: MACRO
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ld bc, TileMap + SCREEN_WIDTH * (\2) + (\1)
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ENDM
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decoord: MACRO
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ld de, TileMap + SCREEN_WIDTH * (\2) + (\1)
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ENDM
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hlcoord: MACRO
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ld hl, TileMap + SCREEN_WIDTH * (\2) + (\1)
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ENDM
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; pic animations
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frame: MACRO
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db \1
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db \2
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ENDM
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setrepeat: MACRO
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db $fe
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db \1
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ENDM
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dorepeat: MACRO
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db $fd
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db \1
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ENDM
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endanim: MACRO
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db $ff
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ENDM
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; maps
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map: MACRO
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; This is a really silly hack to get around an rgbds bug.
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; Ideally:
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; db GROUP_\1, MAP_\1
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\1\@ EQUS "GROUP_\1"
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\1\@2 EQUS "MAP_\1"
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db \1\@, \1\@2
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ENDM
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roam_map: MACRO
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; A map and an arbitrary number of some more maps.
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map \1
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db \2
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IF \2 > 0
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map \3
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ENDC
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IF \2 > 1
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map \4
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ENDC
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IF \2 > 2
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map \5
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ENDC
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IF \2 > 3
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map \6
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ENDC
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db 0
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ENDM
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sine_wave: MACRO
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; \1: amplitude
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x = 0
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rept $20
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; Round up.
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dw (sin(x) + (sin(x) & $ff)) >> 8
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x = x + \1 * $40000
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endr
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ENDM
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add_predef: MACRO
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\1Predef::
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dw \1
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db BANK(\1)
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ENDM
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predef_id: MACRO
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; Some functions load the predef id
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; without immediately calling Predef.
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ld a, (\1Predef - PredefPointers) / 3
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ENDM
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predef: MACRO
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predef_id \1
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call Predef
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ENDM
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predef_jump: MACRO
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predef_id \1
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jp Predef
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ENDM
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