SMW Memory Map

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Hijack Address	Length	Type	Description	Details
$008023	4 bytes	Jump (JML/JSL)	Modified by ZSNES incompatibility notice. Jumps to the main code.
$008027	4 bytes	Code	Hijacked by the Free up RAM $7F:8000 patch by DiscoTheBat and Ersanio. Inserts a SEP #$30, to set the processor status to 8-bit A and X/Y, and a BRA to skip the code that uploads the OAM clear routine to $7F8000. The BRA jumps to $008052 if !UberASMTool = 0, and to $00804E if !UberASMTool = 1.
$00804D	1 byte	Opcode	Not modified, however is used by Lunar Magic as an RTL for calling routines that end in RTS in bank 0 with a JSL via stack magic. So don't modify it.
$00804E	4 bytes	Jump (JML/JSL)	Hijacked by UberASMTool. JML, jumps to the routine that initializes the freeram used by the tool and executes the global init code.
$008052	3 bytes	Jump (JMP/JSR)	Hijacked by AddmusicK. Inserts a JSR to the custom UploadSPCEngine routine inserted in the $008079 area, replacing the original JSR.
$00805E	3 bytes	Hex Edit	Modified by AddmusicK. Inserts 3 NOPs to skip a JSR to a routine that uploads samples to the SPC700.
$00806B	4 bytes	Jump (JML/JSL)	Hijacked by UberASMTool. JML, jumps to the routine that executes global main code.
$008070	4 bytes	Jump (JML/JSL)	Modified by 16-bit frame counter. Jump to code that increases both $13 and 16-bit frame counters.
$008072	3 bytes	Jump (JMP/JSR)	Modified by the CPU Usage Meter patch. Jumps to the main code of the patch in a free area at $00FF9C.
$008072	3 bytes	Jump (JMP/JSR)	Hijacked by the Lunar Magic's "VRAM Patch" Optimization patch, by Kevin. JSR, replaces the main game loop call with a call to a custom routine in bank 0 freespace, which allows the stripe image modifications to take place outside of NMI after the game loop has run.
$008075	4 bytes	Jump (JML/JSL)	Hijacked by AddmusicK. JML to the main AMK routine inserted in the $0E8000 area.
$008079	209 bytes	Code	Modified by AddmusicK. Replaces the original SPC data upload routine with a custom one.
$008176	6 bytes	Jump (JML/JSL)	Hijacked by UberASMTool. JML : NOP #2, jumps to the routine that executes all possible NMI codes inserted in the tool (global, level, gamemode, overworld). For efficiency, certain parts of the code are only inserted if needed.
$008179	49 bytes	Hex Edit	Modified by AddmusicK. BRA + : NOP #47 : +, skips over original NMI audio code that's already handled in AMK's routines. This is inserted in case neither $008179 == $5C nor $008176 == $5C.
$00817C	46 bytes	Hex Edit	Modified by AddmusicK. BRA + : NOP #44 : +, skips over original NMI audio code that's already handled in AMK's routines. This is inserted in case $008176 is $5C (JML), to make it compatible with a LevelNMI (UberASM) hijack.
$00817D	45 bytes	Hex Edit	Modified by AddmusicK. BRA + : NOP #43 : +, skips over original NMI audio code that's already handled in AMK's routines. This is inserted in case $008179 is $5C (JML), to make it compatible with PowerTool.
$00818F	18 bytes	Code	Hijacked by the No Title SFX patch. A piece of code that mutes every SFX in the title screen.
$0081AA	8 bytes	Jump (JML/JSL)	Modified by Ice Man's 'HDMA v3.5' patch. Hijacks NMI and calls the main routine. [JSL : BRA : NOP #2]
$0081AA	4 bytes	Jump (JML/JSL)	Hijacked by the Retry System (+ Multiple Checkpoints) v2.06b patch by worldpeace and LX5. JML, it jumps to the code that turns off HDMA during level transitions (including room respawning).
$0081AA	5 bytes	Jump (JML/JSL)	Hijacked by the HDMA Bugfixes patch, by Ice Man. JML : NOP, clears the HDMA enable mirror on specific game modes.
$0081C6	5 bytes	Jump (JML/JSL)	Modified by the Easy Mode 7 Patch by ExE Boss, HuFlungDu, and mathie. JML : NOP, makes SMW use the Mode 7 mirrors in any Mode 7 level instead of just boss levels.
$0081D5	4 bytes	Jump (JML/JSL)	Modified by "Mode 7 Game Over Screen" patch. Check for game over game mode and update mode 7 image.
$0081E2	4 bytes	Jump (JML/JSL)	Modified by Lunar Magic.
$0081EC	4 bytes	Jump (JML/JSL)	Hijacked by multiple patches. Overworld Counters hijacks this to upload the various counters during NMI. Overworld Border Plus hijacks this to upload the border tiles during NMI.
$0081F4	3 bytes	Hex Edit	Modified by "Remove Status Bar" patch. Remove routine call that draws status bar during normal levels.
$0081F4	2 bytes	Opcode	Hijacked by the MessageBox in Minimalist Status Bar + Goal Customizer patch, by Isikoro and Ladida. BRA $01, skips the vanilla status bar NMI routine.
$008209	4 bytes	Jump (JML/JSL)	Modified by Lunar Magic. Part of Lunar Magic's VRAM modification patch.
$00820D	4 bytes	Jump (JML/JSL)	Hijacked by the Inline Layer 3 Messages v1.0.1 patch, by MarioFanGamer. JML, jumps to code that handles VRAM reads/writes during NMI (if !HijackNmi = 1).
$00820D	5 bytes	Code	Modified by the Inline Layer 3 Messages v1.0.1 patch, by MarioFanGamer. Code, restores the original NMI code so that the custom code can be inserted via UberASM (if !HijackNmi = 0).
$00823D	6 bytes	Jump (JML/JSL)	Dynamic Z Main Hijack 1. Is used for the main features of Dynamic Z since V3.5 (dynamic sprites, graphics change and palette changes). This hijack points to a call where is called the routine "LoadScrnImage" and happend after MarioGFXDMA Routine (the dma routine of mario, yoshi and podoboos).
$008275	4 bytes	Jump (JML/JSL)	Hijacked by Lui37's 'Move Layer 3 to Subscreen Fix' patch. It changes part of NMI. [JML]
$008275	3 bytes	Jump (JMP/JSR)	Modified by "Remove Status Bar" patch. Jump to code that disables IRQ.
$008282	1 byte	Opcode	Hijacked by the MessageBox in Minimalist Status Bar + Goal Customizer patch, by Isikoro and Ladida. db $11, repoints the branch destination to jump to $00828F instead of $0082A1 when not in the credits.
$008292	24 bytes	Code	Hijacked by the MessageBox in Minimalist Status Bar + Goal Customizer patch, by Isikoro and Ladida. See details, handles the NMI code of the status bar.	Hijacked Code
$008292	4 bytes	Jump (JML/JSL)	Hijacked by the Timer Sprite Status Bar patch, by CircleFriendo. JML, sets the game modes where IRQ will be fired normally and where it is disabled.
$008292	1 byte	Code	Modified by the Super Status Bar patch by GreenHammerBro and Kaijyuu. This is the scanline at which the status bar IRQ will fire in normal levels.
$008294	4 bytes	Jump (JML/JSL)	Hijacked by the RAM Toggled Status Bar (& IRQ) Patch, by Kevin. JML, hijacks the status bar IRQ setup.
$0082B0	6 bytes	Code	Modified by [url=https://www.smwcentral.net/?p=section&a=details&id=26810]b4vwf to change NMI settings to set up message box IRQ.
$0082B0	6 bytes	Jump (JML/JSL)	Modified by VWF Level Intros. Modifies brightness ($2100) store at NMI by aligning it to h-blank.
$0082DA	5 bytes	Jump (JML/JSL)	Dynamic Z Main Hijack 2. Is used for the main features of Dynamic Z since V3.5 (dynamic sprites, graphics change and palette changes). This hijack points to a place is detected if the current escene is the bowser stage or reznor stage and happend after MarioGFXDMA Routine (the dma routine of mario, yoshi and podoboos).
$0082E8	3 bytes	Hex Edit	Modified by "Remove Status Bar" patch. Remove routine call that draws status bar during Mode 7 boss battles.
$00835C	1 byte	Code	Modified by the Super Status Bar patch by GreenHammerBro and Kaijyuu. This is the scanline at which the status bar IRQ will fire in mode 7 boss levels.
$00835C	4 bytes	Jump (JML/JSL)	Hijacked by the Timer Sprite Status Bar patch, by CircleFriendo. JML, sets the game modes where IRQ will be fired normally and where it is disabled inside Mode 7 rooms.
$008385	5 bytes	Jump (JML/JSL)	Modified by b4vwf to change IRQ settings to set up BG4 settings on message box region.
$008385	7 bytes	Jump (JML/JSL)	Modified by the Easy Mode 7 Patch by ExE Boss, HuFlungDu, and mathie. JML : NOP : BMI, compatability code for SA-1 Pack v1.32+ due to changes in IRQ code. Not hijacked on LoROM.
$00838F	5 bytes	Jump (JML/JSL)	Hijacked by the MessageBox in Minimalist Status Bar + Goal Customizer patch, by Isikoro and Ladida. JML : NOP, handles the IRQ code of the status bar.
$00838F	2 bytes	Code	Modified by Lui37's 'Move Layer 3 to Subscreen Fix' patch. [LDY #$1E]
$008394	4 bytes	Jump (JML/JSL)	Hijacked by Lui37's 'Move Layer 3 to Subscreen Fix' patch. It modifies IRQ. [JML]
$0083ED	2 bytes	Code	(BCC $04) Modified by Minimalist Course Clear so it always branches, thus layers won't get disabled after you beat a boss.
$0083ED	2 bytes	Opcode	Hijacked by the MessageBox in Minimalist Status Bar + Goal Customizer patch, by Isikoro and Ladida. BRA $04, disables the fixed position of layer 3 during the goal march.
$0085D2	4 bytes	Hex Edit	Hijacked by the Retry System (+ Multiple Checkpoints) v2.06b patch by worldpeace and LX5. It writes the original data [$A4, $12, $B9, $D0] in case the first byte is $5C (JML). This specifically restores the changes made by the Strip Image Uploader Hack patch by imamelia.
$008642	4 bytes	Jump (JML/JSL)	Hijacked by the Free up RAM $7F:8000 patch by DiscoTheBat and Ersanio. Replaces JSL $7F8000 with a JSL to the OAM clear routine in freespace.
$0086DA	4 bytes	Jump (JML/JSL)	Hijacked by the Free up RAM $7F:8000 patch by DiscoTheBat and Ersanio. Replaces JSL $7F812E with a JSL to the OAM clear routine in freespace.
$008751	4 bytes	Jump (JML/JSL)	Modified by Lunar Magic. Lunar Magic's stripe image upload routine. It only gets executed during gamemodes 05, 07, 13 and 14.
$008751	4 bytes	Code	Modified by the Lunar Magic's "VRAM Patch" Optimization patch, by Kevin. REP #$20 : LDA $03, removes a hijack inserted by Lunar Magic that runs the stripe image modifications in NMI.
$008A4E	5 bytes	Code	Modified by Lunar Magic.
$008C81	46 bytes	Code	Modified by "Remove Status Bar" patch. Disable IRQ. Written on top of freespace that was freed by another hijack (Non-SA-1, !enable_coins is disabled).
$008C81	68 bytes	Code	Modified by "Remove Status Bar" patch. Disable IRQ and place coin handling routine. Written on top of freespace that was freed by another hijack (SA-1 ROM, !enable_coins is enabled).
$008C81	43 bytes	Code	Modified by "Remove Status Bar" patch. Disable IRQ. Written on top of freespace that was freed by another hijack (SA-1 ROM, !enable_coins is disabled).
$008C81	71 bytes	Code	Modified by "Remove Status Bar" patch. Disable IRQ and place coin handling routine. Written on top of freespace that was freed by another hijack (Non-SA-1, !enable_coins is enabled).
$008C81	964 bytes	Hex Edit	Modified by Remove Status Bar patch by Lui. Removes status bar functionality, including initialization, drawing, timer, score, coins, lives, stars (partially) and dragon coins, marking it as freespace. This freespace can be used by other patches (including Remove Status Bar itself).
$008C81	126 bytes	Table	Hijacked by the MessageBox in Minimalist Status Bar + Goal Customizer patch, by Isikoro and Ladida. See details, removes the vanilla status bar tilemap and puts the player name and minimum dash meter values for each arrow into the free area.	Hijack
$008C89	108 bytes	Table	Modified by SMB2-Styled Health Bar, by Demonsul and KilloZappit. Table that rearranges the status bar to show the health bar appropriately.
$008C89	12 bytes	Table	Modified by the Death Counter Version 1.2 patch by Thomas. Table values for the "DEATHS" text.
$008CA9	20 bytes	Hex Edit	Modified by the SMB3 P-Meter Patch, by Ersanio. Sets the status bar to draw the P-meter.
$008CAB	6 bytes	Table	Modified by Play as Yoshi: Replaces TIME with a clock on the status bar
$008CC9	12 bytes	Table	Modified by Play as Yoshi: Changes the status bar tilemap to make space for the powerup display.
$008CCD	4 bytes	Data	Modified by Course Clear Coins, by MarioFanGamer. Changes the bonus star "★x" tiles on the status bar into blank tiles. Conditionally enabled.
$008CCD	2 bytes	Hex Edit	Hijacked by the Yoshi Coin Counter Patch, by Darolac. Changes the red star icon on the status bar to a yellow coin.
$008CDF	1 byte	Hex Edit	Hijacked by the SMB3 P-Meter Patch, by Ersanio. A simple hex edit that places a clock tile before the timer in the status bar.
$008CDF	2 bytes	Hex Edit	Hijacked by the Bigger Timer Patch, by nnj. A hex edit responsible for the small clock tile (tile number and yxpccctt properties).
$008CFF	172 bytes	Code	Hijacked by the MessageBox in Minimalist Status Bar + Goal Customizer patch, by Isikoro and Ladida. Replaces the vanilla status bar upload routine with its own upload routine as well as handling the player name, Dragon Coin counter, dash meter and star coins.
$008CFF	4 bytes	Jump (JML/JSL)	Hijacked by the RAM Toggled Status Bar (& IRQ) Patch, by Kevin. JML, hijacks the status bar tilemap transfer from ROM.
$008D8A	5 bytes	Jump (JML/JSL)	Modified by the Super Status Bar patch by GreenHammerBro and Kaijyuu. Jumps to a status bar initialization routine during level load.
$008DAC	5 bytes	Jump (JML/JSL)	Hijacked by the Timer Sprite Status Bar patch, by CircleFriendo. JML : RTS, uploads the numbers and the clock symbol to VRAM whenever the clock ticks down.
$008DAC	4 bytes	Jump (JML/JSL)	Hijacked by the RAM Toggled Status Bar (& IRQ) Patch, by Kevin. JML, hijacks the status bar tilemap transfer from RAM.
$008DB0	1 byte	Hex Edit	Hijacked by the MessageBox in Minimalist Status Bar + Goal Customizer patch, by Isikoro and Ladida. db $40, sets the VRAM destination of the status bar to $5040 instead of $5042
$008DB6	2 bytes	Code	Modified by the Super Status Bar patch by GreenHammerBro and Kaijyuu. This is an unconditional branch which skips over DrawStatusBar ($008DAC) and calls the main patch code at $008DE2.
$008DCD	1 byte	Hex Edit	Hijacked by the MessageBox in Minimalist Status Bar + Goal Customizer patch, by Isikoro and Ladida. db $60, sets the VRAM destination of the status bar to $5060 instead of $5063
$008DE2	5 bytes	Jump (JML/JSL)	Modified by the Super Status Bar patch by GreenHammerBro and Kaijyuu. Calls the main patch code and returns from DrawStatusBar ($008DAC). Branched to from $008DB6. In the vanilla game, this address is not aligned to an instruction and is instead in the middle of an LDA at $008DE1.
$008DE9	4 bytes	Hex Edit	Hijacked by the MessageBox in Minimalist Status Bar + Goal Customizer patch, by Isikoro and Ladida. db !status_tile,!status_tile>>8,$00,$20, changes the status bar DMA code to upload from !status_tile instead of $0EF9.
$008DF0	4 bytes	Hex Edit	Hijacked by the MessageBox in Minimalist Status Bar + Goal Customizer patch, by Isikoro and Ladida. db !status_tile_bottom,!status_tile_bottom>>8,$00,$20, changes the status bar DMA code to upload from !status_tile instead of $0EF9. Note that !status_tile_bottom is !status_tile+$20.
$008E1A	5 bytes	Jump (JML/JSL)	Modified by Spin Jump to Super Jump, by HuFlungDu. JSL : NOP, hijacks a portion of the status bar routine to run spinjump-altering code every frame.
$008E1A	5 bytes	Jump (JML/JSL)	Modified by the SMB3 P-Meter Patch, by Ersanio. A JML that jumps to the main routine of creating the P-meter.
$008E1A	5 bytes	Jump (JML/JSL)	Hijacked by UberASMTool. JML : NOP, jumps to the code that executes custom status bar code inserted by the tool.
$008E1F	4 bytes	Jump (JML/JSL)	Modified by the Advanced version of the Super Status Bar patch by GreenHammerBro and Kaijyuu. Repoints the status bar update routine to freespace.
$008E21	4 bytes	Jump (JML/JSL)	Modified by Time Up Fix, by Alcaro. JML, prevents the timer frame counter from ticking down if set to a special "death from time up" value.
$008E4F	2 bytes	Code	Modified by Time Up Fix, by Alcaro. BNE $1E, skips past the "check if timer ran out" routine if the timer hundreds digit is nonzero.
$008E5B	5 bytes	Jump (JML/JSL)	Modified by Speed up Music Fix. Jumps to the main code.
$008E5B	4 bytes	Jump (JML/JSL)	Hijacked by the Retry System (+ Multiple Checkpoints) v2.06b patch by worldpeace and LX5. JML, it sets a flag when the music is sped up because the timer dropped under 100 seconds.
$008E60	15 bytes	Jump (JML/JSL)	Modified by Time Up Fix, by Alcaro. Sets the timer frame counter to a special "death from time up" value and calls the death routine if 1) the timer is now zero and 2) the timer was not zero initially. Note that this hijack uses a JSL to custom code that ends with a JML to the death routine; the corresponding RTL utilized is thus that of the death routine, at $00F628.
$008E6B	4 bytes	Jump (JML/JSL)	Hijacked by the Time Up Anti-Kill Patch, by Chdata. JSL, jumps to the code that prevents the time up to kill the player in a certain level.
$008E6B	4 bytes	Jump (JML/JSL)	Modified by Time Up Flag patch by DiscoTheBat. JML, Modifies time up to execute custom code depending on a freeRAM flag.
$008E6F	18 bytes	Code	Modified by SMB2-Styled Health Bar, by Demonsul and KilloZappit. Sets the timer in its new position in the status bar.
$008E6F	40 bytes	Code	Hijacked by the Bigger Timer Patch, by nnj. A JSL + code for writing the big time numbers. Also takes care of the leading zeros option.
$008E6F	38 bytes	Code	Hijacked by the MessageBox in Minimalist Status Bar + Goal Customizer patch, by Isikoro and Ladida. Replaces the vanilla time display with its own time display.
$008E75	6 bytes	Jump (JML/JSL)	Modified by the Punching System patch, by wiiqwertyuiop. JSL : NOP #2, hijacks the status bar routine to run the main code every frame.
$008E95	139 bytes	Code	Modified by the 8 Digits Score patch by Isikoro. Modifies the routine that sets the status bar addresses to adapt to the new score system.
$008EA4	3 bytes	Code	Modified by the Score+9 patch, by Alcaro. SBC #$4240, tweaks maximum score calculation to allow detection of "over 9999990 points" state.
$008EB0	2 bytes	Code	Modified by the Score+9 patch, by Alcaro. LDA #$10, tweaks maximum score calculation to allow detection of "over 9999990 points" state.

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