221 lines
5.4 KiB
NASM
Executable File
221 lines
5.4 KiB
NASM
Executable File
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; Constant enumeration is useful for monsters, items, moves, etc.
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const_def: MACRO
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const_value = 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 = const_value + 1
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ENDM
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; data format macros
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percent EQUS "* $ff / 100"
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bcd2: MACRO
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dn ((\1) / 1000) % 10, ((\1) / 100) % 10
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dn ((\1) / 10) % 10, (\1) % 10
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ENDM
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bcd3: MACRO
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dn ((\1) / 100000) % 10, ((\1) / 10000) % 10
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dn ((\1) / 1000) % 10, ((\1) / 100) % 10
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dn ((\1) / 10) % 10, (\1) % 10
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ENDM
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coins equs "bcd2"
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money equs "bcd3"
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;\1 = Map Width
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;\2 = Rows above (Y-blocks)
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;\3 = X movement (X-blocks)
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EVENT_DISP: MACRO
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dw (wOverworldMap + 7 + (\1) + ((\1) + 6) * ((\2) >> 1) + ((\3) >> 1)) ; Ev.Disp
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db \2,\3 ;Y,X
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ENDM
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FLYWARP_DATA: MACRO
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EVENT_DISP \1,\2,\3
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db ((\2) & $01) ;sub-block Y
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db ((\3) & $01) ;sub-block X
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ENDM
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; external map entry macro
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EMAP: MACRO ; emap x-coordinate,y-coordinate,textpointer
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; the appearance of towns and routes in the town map, indexed by map id
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; nybble: y-coordinate
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; nybble: x-coordinate
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; word : pointer to map name
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dn \2, \1
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dw \3
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ENDM
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; internal map entry macro
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IMAP: MACRO ; imap mapid_less_than,x-coordinate,y-coordinate,textpointer
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; the appearance of buildings and dungeons in the town map
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; byte : maximum map id subject to this rule
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; nybble: y-coordinate
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; nybble: x-coordinate
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; word : pointer to map name
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db \1 + 1
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dn \3, \2
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dw \4
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ENDM
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; tilesets' headers macro
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tileset: MACRO
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db BANK(\2) ; BANK(GFX)
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dw \1, \2, \3 ; Block, GFX, Coll
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db \4, \5, \6 ; counter tiles
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db \7 ; grass tile
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db \8 ; permission (indoor, cave, outdoor)
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ENDM
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INDOOR EQU 0
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CAVE EQU 1
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OUTDOOR EQU 2
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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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WALK EQU $FE
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STAY EQU $FF
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DOWN EQU $D0
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UP EQU $D1
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LEFT EQU $D2
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RIGHT EQU $D3
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NONE EQU $FF
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;\1 sprite id
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;\2 x position
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;\3 y position
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;\4 movement (WALK/STAY)
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;\5 range or direction
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;\6 text id
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;\7 items only: item id
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;\7 trainers only: trainer class/pokemon id
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;\8 trainers only: trainer number/pokemon level
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object: MACRO
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db \1
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db \3 + 4
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db \2 + 4
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db \4
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db \5
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IF (_NARG > 7)
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db TRAINER | \6
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db \7
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db \8
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ELSE
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IF (_NARG > 6)
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db ITEM | \6
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db \7
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ELSE
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db \6
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ENDC
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ENDC
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ENDM
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;\1 (byte) = current map id
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;\2 (byte) = connected map id
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;\3 (byte) = x movement of connection strip
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;\4 (byte) = connection strip offset
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;\5 (word) = connected map blocks pointer
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NORTH_MAP_CONNECTION: MACRO
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db \2 ; map id
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dw \5 + (\2_WIDTH * (\2_HEIGHT - 3)) + \4; "Connection Strip" location
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dw wOverworldMap + 3 + \3 ; current map position
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IF (\1_WIDTH < \2_WIDTH)
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db \1_WIDTH - \3 + 3 ; width of connection strip
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ELSE
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db \2_WIDTH - \4 ; width of connection strip
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ENDC
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db \2_WIDTH ; map width
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db (\2_HEIGHT * 2) - 1 ; y alignment (y coordinate of player when entering map)
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db (\3 - \4) * -2 ; x alignment (x coordinate of player when entering map)
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dw wOverworldMap + 1 + (\2_HEIGHT * (\2_WIDTH + 6)) ; window (position of the upper left block after entering the map)
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ENDM
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;\1 (byte) = current map id
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;\2 (byte) = connected map id
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;\3 (byte) = x movement of connection strip
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;\4 (byte) = connection strip offset
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;\5 (word) = connected map blocks pointer
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;\6 (flag) = add 3 to width of connection strip (why?)
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SOUTH_MAP_CONNECTION: MACRO
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db \2 ; map id
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dw \5 + \4 ; "Connection Strip" location
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dw wOverworldMap + 3 + (\1_HEIGHT + 3) * (\1_WIDTH + 6) + \3 ; current map position
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IF (\1_WIDTH < \2_WIDTH)
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IF (_NARG > 5)
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db \1_WIDTH - \3 + 3 ; width of connection strip
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ELSE
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db \1_WIDTH - \3 ; width of connection strip
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ENDC
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ELSE
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db \2_WIDTH - \4 ; width of connection strip
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ENDC
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db \2_WIDTH ; map width
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db 0 ; y alignment (y coordinate of player when entering map)
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db (\3 - \4) * -2 ; x alignment (x coordinate of player when entering map)
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dw wOverworldMap + 7 + \2_WIDTH ; window (position of the upper left block after entering the map)
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ENDM
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;\1 (byte) = current map id
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;\2 (byte) = connected map id
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;\3 (byte) = y movement of connection strip
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;\4 (byte) = connection strip offset
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;\5 (word) = connected map blocks pointer
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WEST_MAP_CONNECTION: MACRO
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db \2 ; map id
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dw \5 + (\2_WIDTH * \4) + \2_WIDTH - 3 ; "Connection Strip" location
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dw wOverworldMap + (\1_WIDTH + 6) * (\3 + 3) ; current map position
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IF (\1_HEIGHT < \2_HEIGHT)
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db \1_HEIGHT - \3 + 3 ; height of connection strip
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ELSE
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db \2_HEIGHT - \4 ; height of connection strip
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ENDC
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db \2_WIDTH ; map width
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db (\3 - \4) * -2 ; y alignment
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db (\2_WIDTH * 2) - 1 ; x alignment
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dw wOverworldMap + 6 + (2 * \2_WIDTH) ; window (position of the upper left block after entering the map)
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ENDM
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;\1 (byte) = current map id
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;\2 (byte) = connected map id
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;\3 (byte) = y movement of connection strip
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;\4 (byte) = connection strip offset
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;\5 (word) = connected map blocks pointer
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;\6 (flag) = add 3 to height of connection strip (why?)
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EAST_MAP_CONNECTION: MACRO
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db \2 ; map id
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dw \5 + (\2_WIDTH * \4) ; "Connection Strip" location
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dw wOverworldMap - 3 + (\1_WIDTH + 6) * (\3 + 4) ; current map position
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IF (\1_HEIGHT < \2_HEIGHT)
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IF (_NARG > 5)
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db \1_HEIGHT - \3 + 3 ; height of connection strip
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ELSE
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db \1_HEIGHT - \3 ; height of connection strip
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ENDC
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ELSE
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db \2_HEIGHT - \4 ; height of connection strip
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ENDC
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db \2_WIDTH ; map width
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db (\3 - \4) * -2 ; y alignment
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db 0 ; x alignment
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dw wOverworldMap + 7 + \2_WIDTH ; window (position of the upper left block after entering the map)
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ENDM
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tmlearn: MACRO
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x = 0
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REPT _NARG
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IF \1 != 0
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x = x | (1 << ((\1 - 1) % 8))
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ENDC
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SHIFT
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ENDR
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db x
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ENDM
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