serial/trade/misc

constants/misc_constants.asm

@@ -26,4 +26,40 @@ SCREEN_HEIGHT EQU 18
 NPC_MOVEMENT_DOWN  EQU $00
 NPC_MOVEMENT_UP    EQU $40
 NPC_MOVEMENT_LEFT  EQU $80
-NPC_MOVEMENT_RIGHT EQU $C0
+NPC_MOVEMENT_RIGHT EQU $C0
+
+; two option menu constants
+YES_NO_MENU       EQU 0
+NORTH_WEST_MENU   EQU 1
+SOUTH_EAST_MENU   EQU 2
+WIDE_YES_NO_MENU  EQU 3
+NORTH_EAST_MENU   EQU 4
+TRADE_CANCEL_MENU EQU 5
+HEAL_CANCEL_MENU  EQU 6
+NO_YES_MENU       EQU 7
+
+; serial
+
+ESTABLISH_CONNECTION_WITH_INTERNAL_CLOCK EQU $01
+ESTABLISH_CONNECTION_WITH_EXTERNAL_CLOCK EQU $02
+
+USING_EXTERNAL_CLOCK       EQU $01
+USING_INTERNAL_CLOCK       EQU $02
+CONNECTION_NOT_ESTABLISHED EQU $ff
+
+; signals the start of an array of bytes transferred over the link cable
+SERIAL_PREAMBLE_BYTE EQU $FD
+
+; this byte is used when there is no data to send
+SERIAL_NO_DATA_BYTE EQU $FE
+
+; signals the end of one part of a patch list (there are two parts) for player/enemy party data
+SERIAL_PATCH_LIST_PART_TERMINATOR EQU $FF
+
+LINK_STATE_NONE          EQU $00 ; not using link
+LINK_STATE_IN_CABLE_CLUB EQU $01 ; in a cable club room (Colosseum or Trade Centre)
+LINK_STATE_START_TRADE   EQU $02 ; pre-trade selection screen initialisation
+LINK_STATE_START_BATTLE  EQU $03 ; pre-battle initialisation
+LINK_STATE_BATTLING      EQU $04 ; in a link battle
+LINK_STATE_RESET         EQU $05 ; reset game (unused)
+LINK_STATE_TRADING       EQU $32 ; in a link trade