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Add macro for 'Event Displacement' and 'Fly-Warp' formula.

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hg-commit-id: 70445835998b
This commit is contained in:
Sawakita 2012-01-04 00:25:21 +01:00
parent 76c0308b5a
commit ee32ff009d
1 changed files with 14 additions and 0 deletions
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14
constants.asm
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@ -6,6 +6,20 @@ FuncCoord: MACRO
Coord = $C3A0 + 20 * \2 + \1
ENDM
;\1 = Map Width
;\2 = Rows above (Y-blocks)
;\3 = X movement (X-blocks)
EVENT_DISP: MACRO
dw ($C6EF + (\1) + ((\1) + 6) * ((\2) >> 1) + ((\3) >> 1)) ; Ev.Disp
db \2,\3 ;Y,X
ENDM
FLYWARP_DATA: MACRO
EVENT_DISP \1,\2,\3
db ((\2) & $01) ;sub-block Y
db ((\3) & $01) ;sub-block X
ENDM
; external map entry macro
EMAP: MACRO ; emap x-coordinate,y-coordinate,textpointer
; the appearance of towns and routes in the town map, indexed by map id