Add a subdirectory for RAM files

ram/hram.asm

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+SECTION "HRAM", HRAM
+
+; Initialized to 16.
+; Decremented each input iteration if the player
+; presses the reset sequence (A+B+SEL+START).
+; Soft reset when 0 is reached.
+hSoftReset:: db
+
+UNION
+hBaseTileID:: ; base tile ID to which offsets are added
+hDexWeight::
+hWarpDestinationMap::
+hOAMTile::
+hROMBankTemp::
+hPreviousTileset::
+hRLEByteValue::
+	db
+
+hSpriteIndexOrTextID:: ; DisplayTextID's argument
+hPartyMonIndex::
+	db
+
+hVRAMSlot::
+	db
+
+hFourTileSpriteCount::
+hHalveItemPrices::
+	db
+
+NEXTU
+hItemPrice:: ds 3 ; BCD number
+
+NEXTU
+hSlideAmount:: db
+
+; the total number of tiles being shifted each time the pic slides by one tile
+hSlidingRegionSize:: db
+
+; -1 = left
+;  0 = right
+hSlideDirection:: db
+
+NEXTU
+hSpriteInterlaceCounter::
+hSpriteWidth::  db ; in tiles
+hSpriteHeight:: db ; in tiles
+hSpriteOffset:: db
+
+NEXTU
+; counters for blinking down arrow
+hDownArrowBlinkCount1:: db
+hDownArrowBlinkCount2:: db
+
+NEXTU
+hMapStride::
+hEastWestConnectedMapWidth::
+hNorthSouthConnectionStripWidth::
+	db
+hMapWidth::
+hNorthSouthConnectedMapWidth::
+	db
+
+NEXTU
+hSpriteDataOffset:: db
+hSpriteIndex:: db
+hSpriteImageIndex::
+hSpriteFacingDirection::
+hSpriteMovementByte2::
+	db
+
+NEXTU
+	ds 2
+hLoadSpriteTemp1:: db
+hLoadSpriteTemp2:: db
+
+NEXTU
+	ds 2
+hEnemySpeed:: dw
+ENDU
+
+UNION
+hSpriteOffset2:: db
+hOAMBufferOffset:: db
+hSpriteScreenX:: db
+hSpriteScreenY:: db
+
+NEXTU
+hFF8F:: db
+hFF90:: db
+hFF91:: db
+hFF92:: db
+ENDU
+
+hTilePlayerStandingOn:: db
+
+hSpritePriority:: db
+
+UNION
+; Multiplication and division variables are meant
+; to overlap for back-to-back usage. Big endian.
+UNION
+	ds 1
+hMultiplicand:: ds 3
+hMultiplier:: db
+	ds 1
+hMultiplyBuffer:: ds 4
+NEXTU
+hProduct:: ds 4
+NEXTU
+hDividend:: ds 4
+hDivisor:: db
+hDivideBuffer:: ds 5
+NEXTU
+hQuotient:: ds 4
+hRemainder:: db
+ENDU
+
+NEXTU
+; PrintNumber (big endian).
+hPastLeadingZeros:: db ; last char printed
+hNumToPrint:: ds 3
+hPowerOf10:: ds 3
+hSavedNumToPrint:: ds 3
+
+NEXTU
+hNPCMovementDirections2Index::
+hNPCSpriteOffset::
+; distance in steps between NPC and player
+hNPCPlayerYDistance::
+	db
+hNPCPlayerXDistance::
+	db
+hFindPathNumSteps:: db
+; bit 0: set when the end of the path's Y coordinate matches the target's
+; bit 1: set when the end of the path's X coordinate matches the target's
+; When both bits are set, the end of the path is at the target's position
+; (i.e. the path has been found).
+hFindPathFlags:: db
+hFindPathYProgress:: db
+hFindPathXProgress:: db
+; 0 = from player to NPC
+; 1 = from NPC to player
+hNPCPlayerRelativePosPerspective:: db
+	ds 1
+; bit 0:
+; 0 = target is to the south or aligned
+; 1 = target is to the north
+; bit 1:
+; 0 = target is to the east or aligned
+; 1 = target is to the west
+hNPCPlayerRelativePosFlags:: db
+
+NEXTU
+hSwapItemID:: db
+hSwapItemQuantity:: db
+
+NEXTU
+hSignCoordPointer:: dw
+
+NEXTU
+	ds 1
+hMutateWY:: db
+hMutateWX:: db
+
+NEXTU
+; temp value used when swapping bytes or words
+hSwapTemp:: db
+hExperience:: ds 3 ; big endian
+ENDU
+
+UNION
+hMoney:: ds 3 ; BCD number
+NEXTU
+; some code zeroes this for no reason when writing a coin amount
+hUnusedCoinsByte:: db
+hCoins:: ds 2 ; BCD number
+ENDU
+
+hDivideBCDDivisor::
+hDivideBCDQuotient::
+	ds 3 ; BCD number
+hDivideBCDBuffer::
+	ds 3 ; BCD number
+
+	ds 1
+
+hSerialReceivedNewData:: db
+; $01 = using external clock
+; $02 = using internal clock
+; $ff = establishing connection
+hSerialConnectionStatus:: db
+hSerialIgnoringInitialData:: db
+hSerialSendData:: db
+hSerialReceiveData:: db
+
+; these values are copied to rSCX, rSCY, and rWY during V-blank
+hSCX:: db
+hSCY:: db
+hWY::  db
+
+hJoyLast::     db
+hJoyReleased:: db
+hJoyPressed::  db
+hJoyHeld::     db
+hJoy5::        db
+hJoy6::        db
+hJoy7::        db
+
+hLoadedROMBank:: db
+hSavedROMBank::  db
+
+; is automatic background transfer during V-blank enabled?
+; if nonzero, yes
+; if zero, no
+hAutoBGTransferEnabled:: db
+
+; 00 = top third of background
+; 01 = middle third of background
+; 02 = bottom third of background
+hAutoBGTransferPortion:: db
+
+; the destination address of the automatic background transfer
+hAutoBGTransferDest:: dw
+
+hRedrawMapViewRowOffset:: db
+
+; temporary storage for stack pointer during memory transfers that use pop
+; to increase speed
+hSPTemp:: dw
+
+; source address for VBlankCopyBgMap function
+; the first byte doubles as the byte that enabled the transfer.
+; if it is 0, the transfer is disabled
+; if it is not 0, the transfer is enabled
+; this means that XX00 is not a valid source address
+hVBlankCopyBGSource:: dw
+
+; destination address for VBlankCopyBgMap function
+hVBlankCopyBGDest:: dw
+
+; number of rows for VBlankCopyBgMap to copy
+hVBlankCopyBGNumRows:: db
+
+; size of VBlankCopy transfer in 16-byte units
+hVBlankCopySize:: db
+
+; source address for VBlankCopy function
+hVBlankCopySource:: dw
+
+; destination address for VBlankCopy function
+hVBlankCopyDest:: dw
+
+; size of source data for VBlankCopyDouble in 8-byte units
+hVBlankCopyDoubleSize:: db
+
+; source address for VBlankCopyDouble function
+hVBlankCopyDoubleSource:: dw
+
+; destination address for VBlankCopyDouble function
+hVBlankCopyDoubleDest:: dw
+
+; controls whether a row or column of 2x2 tile blocks is redrawn in V-blank
+; 00 = no redraw
+; 01 = redraw column
+; 02 = redraw row
+hRedrawRowOrColumnMode:: db
+
+hRedrawRowOrColumnDest:: dw
+
+hRandomAdd:: db
+hRandomSub:: db
+
+hFrameCounter:: db ; decremented every V-blank (used for delays)
+
+; V-blank sets this to 0 each time it runs.
+; So, by setting it to a nonzero value and waiting for it to become 0 again,
+; you can detect that the V-blank handler has run since then.
+hVBlankOccurred:: db
+
+; Controls which tiles are animated.
+; 0 = no animations (breaks Surf)
+; 1 = water tile $14 is animated
+; 2 = water tile $14 and flower tile $03 are animated
+hTileAnimations:: db
+
+hMovingBGTilesCounter1:: db
+
+	ds 1
+
+hCurrentSpriteOffset:: db ; multiple of $10
+
+UNION
+hPlayerFacing:: db
+hPlayerYCoord:: db
+hPlayerXCoord:: db
+
+NEXTU
+
+; $00 = bag full
+; $01 = got item
+; $80 = didn't meet required number of owned mons
+; $FF = player cancelled
+hOaksAideResult::
+hOaksAideRequirement:: ; required number of owned mons
+	db
+hOaksAideRewardItem:: db
+hOaksAideNumMonsOwned:: db
+
+NEXTU
+hVendingMachineItem:: db
+hVendingMachinePrice:: ds 3 ; BCD number
+
+NEXTU
+hGymGateIndex:: db
+hGymGateAnswer:: db
+
+NEXTU
+hDexRatingNumMonsSeen:: db
+hDexRatingNumMonsOwned:: db
+
+NEXTU
+hItemToRemoveID:: db
+hItemToRemoveIndex:: db
+
+NEXTU
+hItemCounter::
+hSavedCoordIndex::
+hMissableObjectIndex::
+hGymTrashCanRandNumMask::
+	db
+
+NEXTU
+hFFDB:: db
+hFFDC:: db
+ENDU
+
+	ds 1
+
+hBackupGymGateIndex::
+hUnlockedSilphCoDoors::
+	db
+
+; the first tile ID in a sequence of tile IDs that increase by 1 each step
+hStartTileID:: db
+
+	ds 2
+
+hNewPartyLength:: db
+
+UNION
+hDividend2:: db
+hDivisor2::  db
+hQuotient2:: db
+
+NEXTU
+hIsHiddenMissableObject:: db
+ENDU
+
+hMapROMBank:: db
+
+hSpriteVRAMSlotAndFacing:: db
+
+hCoordsInFrontOfPlayerMatch::
+hSpriteAnimFrameCounter::
+	db
+
+UNION
+hSpriteScreenYCoord:: db
+hSpriteScreenXCoord:: db
+hSpriteMapYCoord::    db
+hSpriteMapXCoord::    db
+
+NEXTU
+hItemAlreadyFound:: db
+	ds 2
+hDidntFindAnyHiddenObject:: db
+
+NEXTU
+	ds 1
+hSavedMapTextPtr:: dw
+	ds 1
+ENDU
+
+	ds 4
+
+hWhoseTurn:: db ; 0 on player's turn, 1 on enemy's turn
+
+hClearLetterPrintingDelayFlags:: db
+
+	ds 1
+
+; bit 0: draw HP fraction to the right of bar instead of below (for party menu)
+; bit 1: menu is double spaced
+hUILayoutFlags:: db
+
+hFieldMoveMonMenuTopMenuItemX:: db
+
+hJoyInput:: db
+
+hDisableJoypadPolling:: db
+
+	ds 5