ref: 3648afda1694fcb4d6fe6625b14f5a3f8bc29c38
dir: /engine/link/link_trade.asm/
LinkCommsBorderGFX: INCBIN "gfx/trade/border_tiles.2bpp" __LoadTradeScreenBorderGFX: ld de, LinkCommsBorderGFX ld hl, vTiles2 lb bc, BANK(LinkCommsBorderGFX), 70 call Get2bpp ret LoadMobileTradeBorderTilemap: ld hl, MobileTradeBorderTilemap decoord 0, 0 ld bc, SCREEN_WIDTH * SCREEN_HEIGHT call CopyBytes ret TestMobileTradeBorderTilemap: ; unreferenced ; Loads the mobile trade border graphics and tilemap, ; with a placeholder SCGB_DIPLOMA layout, and exits ; after pressing A or B. Possibly used for testing. call LoadStandardMenuHeader call ClearBGPalettes call ClearTilemap call ClearSprites farcall __LoadTradeScreenBorderGFX ; useless to farcall farcall LoadMobileTradeBorderTilemap ; useless to farcall ld b, SCGB_DIPLOMA call GetSGBLayout call SetPalettes call WaitBGMap call JoyWaitAorB call Call_ExitMenu ret MobileTradeBorderTilemap: INCBIN "gfx/trade/border_mobile.tilemap" CableTradeBorderTopTilemap: INCBIN "gfx/trade/border_cable_top.tilemap" CableTradeBorderBottomTilemap: INCBIN "gfx/trade/border_cable_bottom.tilemap" _LinkTextbox: ld h, d ld l, e push bc push hl call .PlaceBorder pop hl pop bc ld de, wAttrmap - wTilemap add hl, de inc b inc b inc c inc c ld a, PAL_BG_TEXT .row push bc push hl .col ld [hli], a dec c jr nz, .col pop hl ld de, SCREEN_WIDTH add hl, de pop bc dec b jr nz, .row ret .PlaceBorder push hl ld a, $30 ld [hli], a inc a call .PlaceRow inc a ld [hl], a pop hl ld de, SCREEN_WIDTH add hl, de .loop push hl ld a, $33 ld [hli], a ld a, " " call .PlaceRow ld [hl], $34 pop hl ld de, SCREEN_WIDTH add hl, de dec b jr nz, .loop ld a, $35 ld [hli], a ld a, $36 call .PlaceRow ld [hl], $37 ret .PlaceRow ld d, c .row_loop ld [hli], a dec d jr nz, .row_loop ret InitTradeSpeciesList: call _LoadTradeScreenBorderGFX call LoadCableTradeBorderTilemap farcall InitMG_Mobile_LinkTradePalMap farcall PlaceTradePartnerNamesAndParty hlcoord 10, 17 ld de, .CancelString call PlaceString ret .CancelString: db "CANCEL@" _LoadTradeScreenBorderGFX: call __LoadTradeScreenBorderGFX ret LinkComms_LoadPleaseWaitTextboxBorderGFX: ld de, LinkCommsBorderGFX + $30 tiles ld hl, vTiles2 tile $76 lb bc, BANK(LinkCommsBorderGFX), 8 call Get2bpp ret LoadTradeRoomBGPals: farcall _LoadTradeRoomBGPals ret LoadCableTradeBorderTilemap: call LoadMobileTradeBorderTilemap ld hl, CableTradeBorderTopTilemap decoord 0, 0 ld bc, 2 * SCREEN_WIDTH call CopyBytes ld hl, CableTradeBorderBottomTilemap decoord 0, 16 ld bc, 2 * SCREEN_WIDTH call CopyBytes ret LinkTextbox: call _LinkTextbox ret PrintWaitingTextAndSyncAndExchangeNybble: call LoadStandardMenuHeader call .PrintWaitingText farcall WaitLinkTransfer call Call_ExitMenu call WaitBGMap2 ret .PrintWaitingText: hlcoord 4, 10 ld b, 1 ld c, 10 predef LinkTextboxAtHL hlcoord 5, 11 ld de, .Waiting call PlaceString call WaitBGMap call WaitBGMap2 ld c, 50 jp DelayFrames .Waiting: db "WAITING..!@" LinkTradeMenu: call .MenuAction call .GetJoypad ret .GetJoypad: push bc push af ldh a, [hJoyLast] and D_PAD ld b, a ldh a, [hJoyPressed] and BUTTONS or b ld b, a pop af ld a, b pop bc ld d, a ret .MenuAction: ld hl, w2DMenuFlags2 res 7, [hl] ldh a, [hBGMapMode] push af call .loop pop af ldh [hBGMapMode], a ret .loop call .UpdateCursor call .UpdateBGMapAndOAM call .loop2 jr nc, .done farcall _2DMenuInterpretJoypad jr c, .done ld a, [w2DMenuFlags1] bit 7, a jr nz, .done call .GetJoypad ld b, a ld a, [wMenuJoypadFilter] and b jr z, .loop .done ret .UpdateBGMapAndOAM: ldh a, [hOAMUpdate] push af ld a, $1 ldh [hOAMUpdate], a call WaitBGMap pop af ldh [hOAMUpdate], a xor a ldh [hBGMapMode], a ret .loop2 call UpdateTimeAndPals call .TryAnims ret c ld a, [w2DMenuFlags1] bit 7, a jr z, .loop2 and a ret .UpdateCursor: ld hl, wCursorCurrentTile ld a, [hli] ld h, [hl] ld l, a ld a, [hl] cp $1f jr nz, .not_currently_selected ld a, [wCursorOffCharacter] ld [hl], a push hl push bc ld bc, MON_NAME_LENGTH add hl, bc ld [hl], a pop bc pop hl .not_currently_selected ld a, [w2DMenuCursorInitY] ld b, a ld a, [w2DMenuCursorInitX] ld c, a call Coord2Tile ld a, [w2DMenuCursorOffsets] swap a and $f ld c, a ld a, [wMenuCursorY] ld b, a xor a dec b jr z, .skip .loop3 add c dec b jr nz, .loop3 .skip ld c, SCREEN_WIDTH call AddNTimes ld a, [w2DMenuCursorOffsets] and $f ld c, a ld a, [wMenuCursorX] ld b, a xor a dec b jr z, .skip2 .loop4 add c dec b jr nz, .loop4 .skip2 ld c, a add hl, bc ld a, [hl] cp $1f jr z, .cursor_already_there ld [wCursorOffCharacter], a ld [hl], $1f push hl push bc ld bc, MON_NAME_LENGTH add hl, bc ld [hl], $1f pop bc pop hl .cursor_already_there ld a, l ld [wCursorCurrentTile], a ld a, h ld [wCursorCurrentTile + 1], a ret .TryAnims: ld a, [w2DMenuFlags1] bit 6, a jr z, .skip_anims farcall PlaySpriteAnimationsAndDelayFrame .skip_anims call JoyTextDelay call .GetJoypad and a ret z scf ret