mirror of
https://github.com/pret/pokered.git
synced 2024-10-23 06:58:24 +00:00
155 lines
3.9 KiB
NASM
155 lines
3.9 KiB
NASM
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H_SPRITEWIDTH EQU $FF8B ; in tiles
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H_SPRITEINTERLACECOUNTER EQU $FF8B
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H_SPRITEHEIGHT EQU $FF8C ; in tiles
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H_SPRITEOFFSET EQU $FF8D
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hSoftReset EQU $FF8A
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; Initialized to 16.
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; Decremented each input iteration if the player
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; presses the reset sequence (A+B+SEL+START).
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; Soft reset when 0 is reached.
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hBaseTileID EQU $FF8B
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; counters for blinking down arrow
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H_DOWNARROWBLINKCNT1 EQU $FF8B
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H_DOWNARROWBLINKCNT2 EQU $FF8C
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H_SPRITEDATAOFFSET EQU $FF8B
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H_SPRITEINDEX EQU $FF8C
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; DisplayTextID's argument
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hSpriteIndexOrTextID EQU $FF8C
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; Multiplcation and division variables are meant
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; to overlap for back-to-back usage. Big endian.
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H_MULTIPLICAND EQU $FF96 ; 3 bytes
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H_MULTIPLIER EQU $FF99 ; 1 byte
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H_PRODUCT EQU $FF95 ; 4 bytes
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H_DIVIDEND EQU $FF95 ; 4 bytes
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H_DIVISOR EQU $FF99 ; 1 byte
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H_QUOTIENT EQU $FF95 ; 4 bytes
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H_REMAINDER EQU $FF99 ; 1 byte
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; PrintNumber (big endian).
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H_PASTLEADINGZEROES EQU $FF95 ; last char printed
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H_NUMTOPRINT EQU $FF96 ; 3 bytes
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H_POWEROFTEN EQU $FF99 ; 3 bytes
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H_SAVEDNUMTOPRINT EQU $FF9C ; 3 bytes
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hSerialReceivedNewData EQU $FFA9
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; $01 = using external clock
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; $02 = using internal clock
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; $ff = establishing connection
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hSerialConnectionStatus EQU $FFAA
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hSerialIgnoringInitialData EQU $FFAB
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hSerialSendData EQU $FFAC
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hSerialReceiveData EQU $FFAD
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; these values are copied to SCX, SCY, and WY during V-blank
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hSCX EQU $FFAE
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hSCY EQU $FFAF
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hWY EQU $FFB0
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hJoyLast EQU $FFB1
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hJoyReleased EQU $FFB2
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hJoyPressed EQU $FFB3
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hJoyHeld EQU $FFB4
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hJoy5 EQU $FFB5
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hJoy6 EQU $FFB6
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hJoy7 EQU $FFB7
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H_LOADEDROMBANK EQU $FFB8
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; is automatic background transfer during V-blank enabled?
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; if nonzero, yes
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; if zero, no
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H_AUTOBGTRANSFERENABLED EQU $FFBA
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TRANSFERTOP EQU 0
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TRANSFERMIDDLE EQU 1
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TRANSFERBOTTOM EQU 2
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; 00 = top third of background
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; 01 = middle third of background
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; 02 = bottom third of background
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H_AUTOBGTRANSFERPORTION EQU $FFBB
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; the destination address of the automatic background transfer
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H_AUTOBGTRANSFERDEST EQU $FFBC ; 2 bytes
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; temporary storage for stack pointer during memory transfers that use pop
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; to increase speed
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H_SPTEMP EQU $FFBF ; 2 bytes
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; source address for VBlankCopyBgMap function
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; the first byte doubles as the byte that enabled the transfer.
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; if it is 0, the transfer is disabled
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; if it is not 0, the transfer is enabled
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; this means that XX00 is not a valid source address
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H_VBCOPYBGSRC EQU $FFC1 ; 2 bytes
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; destination address for VBlankCopyBgMap function
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H_VBCOPYBGDEST EQU $FFC3 ; 2 bytes
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; number of rows for VBlankCopyBgMap to copy
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H_VBCOPYBGNUMROWS EQU $FFC5
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; size of VBlankCopy transfer in 16-byte units
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H_VBCOPYSIZE EQU $FFC6
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; source address for VBlankCopy function
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H_VBCOPYSRC EQU $FFC7
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; destination address for VBlankCopy function
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H_VBCOPYDEST EQU $FFC9
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; size of source data for VBlankCopyDouble in 8-byte units
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H_VBCOPYDOUBLESIZE EQU $FFCB
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; source address for VBlankCopyDouble function
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H_VBCOPYDOUBLESRC EQU $FFCC
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; destination address for VBlankCopyDouble function
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H_VBCOPYDOUBLEDEST EQU $FFCE
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; controls whether a row or column of 2x2 tile blocks is redrawn in V-blank
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; 00 = no redraw
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; 01 = redraw column
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; 02 = redraw row
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H_SCREENEDGEREDRAW EQU $FFD0
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REDRAWCOL EQU 1
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REDRAWROW EQU 2
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H_SCREENEDGEREDRAWADDR EQU $FFD1
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hRandomAdd EQU $FFD3
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hRandomSub EQU $FFD4
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H_FRAMECOUNTER EQU $FFD5 ; decremented every V-blank (used for delays)
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; V-blank sets this to 0 each time it runs.
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; So, by setting it to a nonzero value and waiting for it to become 0 again,
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; you can detect that the V-blank handler has run since then.
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H_VBLANKOCCURRED EQU $FFD6
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; 00 = indoor
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; 01 = cave
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; 02 = outdoor
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; this is often set to 00 in order to turn off water and flower BG tile animations
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hTilesetType EQU $FFD7
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H_CURRENTSPRITEOFFSET EQU $FFDA ; multiple of $10
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H_WHOSETURN EQU $FFF3 ; 0 on player’s turn, 1 on enemy’s turn
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hJoyInput EQU $FFF8
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