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path: root/hram.asm
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SECTION "HRAM", HRAM[$FF80]

hOAMDMA:: ; ff80
    ds 13

hRTCHours:: db ; ff8d
hRTCMinutes:: db ; ff8e
hRTCSeconds:: db ; ff8f

    ds 7 ; TODO

hVBlankCounter:: ; ff97
    db

hROMBank:: ; ff98
    db


hVBlank:: ; ff99
    db

    ds 3 ; TODO

hJoypadReleased:: db ; ff9d
hJoypadPressed:: db ; ff9e
hJoypadDown:: db ; ff9f
hJoypadSum:: db ; ffa0

    ds 5; TODO

hJoypadDown2:: db ; ffa6

    ds 8 ; TODO

hSpriteWidth:: ; ffaf
hSpriteInterlaceCounter:: ; ffaf
    db 
hSpriteHeight:: ; ffb0
    db 
hSpriteOffset:: ; ffb1
    db
    ds 30 ; TODO


hLCDCPointer:: ; ffd0
    db


    ds 3 ; TODO


hSerialReceived:: ; ffd4
    db

hLinkPlayerNumber:: ; ffd5
    db


    db ; TODO


hSerialSend:: ; ffd7
    db
hSerialReceive:: ; ffd8
    db


hSCX:: db ; ffd9
hSCY:: db ; ffda
hWX:: db ; ffdb
hWY:: db ; ffdc

hOverworldFlashlightEffect:: db ; ffdd
; Influences draw distance of map around HIRO
; Meant to go from 0x00--> to desired distance
; or else graphical errors will occur.
; 0x00 - regular distance
; 0x01 - 14x14 tile block
; 0x02 - 10x10 tile block
; 0x03 -  6x 6 tile block
; 0x04 -  2x 2 tile block

hBGMapMode:: ; ffde
    db

hBGMapTransferPosition:: ; ffdf
    db

hBGMapAddress:: ; ffe0
    dw
    db ; TODO
    
hSPTemp:: ; ffe3
    dw
    
hRedrawRowOrColumnMode:: db ; ffe5
; Used for redrawing BG in small updates
; instead of once completely for faster
; scrolling on overworld etc.
; Valid values:
; 0x00 - no redraw
; 0x01 - column redraw (move horizontally)
; 0x02 - row redraw    (move vertically)
; 0x03 - flashlight row redraw 0 (move up)
; 0x04 - flashlight row redraw 0 (move down)
; 0x05 - flashlight column redraw 0 (move left)
; 0x06 - flashlight column redraw 0 (move right)
; 0x07 - flashlight row redraw 1 (move up)
; 0x08 - flashlight row redraw 1 (move down)
; 0x09 - flashlight column redraw 1 (move left)
; 0x0A - flashlight column redraw 1 (move right)
; 0x0B - flashlight row redraw 2 (move up)
; 0x0C - flashlight row redraw 2 (move down)
; 0x0D - flashlight column redraw 2 (move left)
; 0x0E - flashlight column redraw 2 (move right)
; 0x0F - flashlight row redraw 3 (move up)
; 0x10 - flashlight row redraw 3 (move down)
; 0x11 - flashlight column redraw 3 (move left)
; 0x12 - flashlight column redraw 3 (move right)

hRedrawRowOrColumnDest:: ds 2 ; ffe6

hMapAnims:: ; ffe8
    ; TODO: figure out size
    ds 7
hRandomAdd:: db ; ffef
hRandomSub:: db ; fff0
hRTCRandom:: db ; fff1

    ; TODO