ff3:ff3us:doc:asm:codes:overworld_vehicle_script

  0dulrf?t nnnnnnnn
  |||||||| ________
  ||||||||     |_____ number of units to move/turn
  ||||||||
  ||||||||___________ t: double speed of turns
  |||||||____________ ?: ??
  ||||||_____________ f: move forward (0xFF + 0xFF + 0x08 [518] units = 1 full revolution)
  |||||______________ r: turn right (0xAB [171] units = 1 full rotation)
  ||||_______________ l: turn left (0xAB [171] units = 1 full rotation)
  |||________________ u: go up
  ||_________________ d: go down
  |__________________ always 0
  ci: sbbbbbbb bbbbbiii
      _ ___________ ___
      |      |       |__ i: bit index (0-7)
      |      |__________ b: byte (added to $1E80)
      |_________________ s: if 1, check that bit is set; else, check that bit is clear

Summary:
B0 c1 aaaaaa                        if(c1), goto aaaaaa
B1 c1 c2 aaaaaa                     if(c1 || c2), goto aaaaaa
B2 c1 c2 c3 aaaaaa                  if(c1 || c2 || c3), goto aaaaaa
B3 c1 c2 c3 c4 aaaaaa               if(c1 || c2 || c3 || c4), goto aaaaaa
B4 c1 c2 c3 c4 c5 aaaaaa            if(c1 || c2 || c3 || c4 || c5), goto aaaaaa
B5 c1 c2 c3 c4 c5 c6 aaaaaa         if(c1 || c2 || c3 || c4 || c5 || c6), goto aaaaaa
B6 c1 c2 c3 c4 c5 c6 c7 aaaaaa      if(c1 || c2 || c3 || c4 || c5 || c6 || c7), goto aaaaaa
B7 c1 c2 c3 c4 c5 c6 c7 c8 aaaaaa   if(c1 || c2 || c3 || c4 || c5 || c6 || c7 || c8), goto aaaaaa
B8 c1 aaaaaa                        if(c1), goto aaaaaa
B9 c1 c2 aaaaaa                     if(c1 && c2), goto aaaaaa
BA c1 c2 c3 aaaaaa                  if(c1 && c2 && c3), goto aaaaaa
BB c1 c2 c3 c4 aaaaaa               if(c1 && c2 && c3 && c4), goto aaaaaa
BC c1 c2 c3 c4 c5 aaaaaa            if(c1 && c2 && c3 && c4 && c5), goto aaaaaa
BD c1 c2 c3 c4 c5 c6 aaaaaa         if(c1 && c2 && c3 && c4 && c5 && c6), goto aaaaaa
BE c1 c2 c3 c4 c5 c6 c7 aaaaaa      if(c1 && c2 && c3 && c4 && c5 && c6 && c7), goto aaaaaa
BF c1 c2 c3 c4 c5 c6 c7 c8 aaaaaa   if(c1 && c2 && c3 && c4 && c5 && c6 && c7 && c8), goto aaaaaa

C0 xx                   $EE71FB     Modify vehicle behavior
C1 xx yy                $EE7209     set vehicle's direction to X
C2 xx yy                $EE721C     set vehicle's propulsion direction to X
C3 xx yy                $EE722F     Rotate the sky (unused, and probably ineffective)
C4 xx yy                $EE7242     (unused; affects the Mode 7 BG)
C5 xx yy                $EE7255     Set altitude to yy (xx?)
C6 xx yy                $EE7268     Go forward 
C7 xx yy                $EE727B     Place airship at position X,Y
  bbbbbbbb bbbbbiii
   ____________ ___
         |       |__ i: bit index (0-7)
         |__________ b: byte (added to $1E80)

C8 xxxx                 $EE7292     Set event bit
C9 xxxx                 $EE72BB     Clear event bit
CA xx bb                $EE72EA     Battle enemy set xx, background image bb
D0                      $EE732F     Show vehicle
D1                      $EE733A     Hide vehicle
D2 nnnn xx yy mm        $EE7345     Load map nnnn, position (xx, yy), mode mm
D3 nnnn xx yy mm        $EE73A2     Load map nnnn, position (xx, yy), mode mm
D4-D8                   $EE7402     Unfade screen
D9                      $EE740B     Fade screen
DA                      $EE7412     Show flashing arrows indicating the direction you're turning
DB                      $EE7423     Lock in arrow choice
DC                      $EE742E     Hide flashing arrows
DD                      $EE7439     Hide mini-map
DE xx yy                $EE744E     Change Mode 7 BG horizontal scroll (unused)
DF                      $EE7461     Show mini-map
E0 xx                   $EE7473     Pause for xx units
E1-F2                   $EE74A4     (unused)       
F3                      $EE74B0     Show part of world getting zapped
F4                      $EE74C4     Change graphic to Falcon
F5                      $EE753D     Show part of world getting zapped
F6                      $EE7551     (unused)
F7                      $EE755D     Change graphic to pidgeon
F8                      $EE7568     Show part of world getting blown up
F9                      $EE7574     Show part of world getting zapped, produce explosions (unused; freezes the game)
FA                      $EE7580     Show airship emerging from the ocean 
FB                      $EE758C     Show Airship smoking
FC                      $EE759B     Show Airship crashing
FD                      $EE75AF     Change graphic to Esper Terra
FE                      $EE75BA     Show Airship headed for Vector
FF                      $EE75C8     End map script
  • ff3/ff3us/doc/asm/codes/overworld_vehicle_script.txt
  • Last modified: 3 years ago
  • (external edit)