NOTE: This is an archive of all the notes and hacks for Tecmo Super Bowl from the forums at tecmobowl.org. Any uploads from the threads that were salvaged will be attached at the top of the post to download and all the threads have been saved as pdfs that people can view and save for their own notes. These hacks are not supported or maintained by sblueman.com or the site’s owner. These threads are posted as an archive only so fans of the game can find notes from the people who put countless hours into deconstructing the best game ever.
Greetings TSB Hacker,
This thread is dedicated to housing links to Tecmo Super Bowl hacks that various forum members have created over the years. You’ll find hacks for gameplay, graphics, playbooks, events, CPU play, and more to enhance your own custom TSB ROM file. Please read the links below before posting a question, or perform your own Forum Search (be sure to specify which forum you’re trying to search for information in) as there may already be a thread created for your needs. Feel free to add links or suggestions below.
Thank you,
TecmoBowl.org Staff
HACKS
GENERAL INFO
- TSB ROM Hex Location Index
- Various ROM Hex Locations
- TSB Team Pointer Info
- Control Execution Code
- CPU RAM and MMC3 General Locations
- 32-Team NES TSB Files from cxrom
GRAPHICS
Uniforms, Helmets, Portraits
- Uniforms: Primary and Secondary
- Uniforms: Alternate On-Field Colors
- Large Helmet: Guide
- Mini-Helmet: Guide
- Mini-Helmet: Tiles / Colors #1
- Mini-Helmet: Tiles / Colors #2
- Mini-Helmet: NFC West 32-Team ROM Location
- Player Portrait: Introduction
- Pro Bowl Logos
- Disable 3rd Alternate Uniform for Chiefs
Background & Design Palettes, Cut Scene Colors
- Super Bowl Palettes Information
- Color Location Megathread
- Various Screens: Colors / Design Details
- Leaders Screen: Icon Control
- Team Data Screen: Colors
- Team Ranking Screen: Teams
- Player Rating Data Screen Graphics
- NFL Shield / Intro Graphics / Title Screen / Scrolling NFL Pro Football / Tecmo Sports News
- Change Game-ending “1991” Text
- Cutscene & Event Editing Introduction
- Example of drawing a screen using 4×4 blocks (Start Screen)
- Turn off sprite flickering needed for the hardware sprite limit
- Change the ROM to Greyscale
Game Schedule, Playoff Bracket, Game Modes
- Schedule: Graphics / Number of Games
- Playoff Bracket: Graphics / Number of Games
- Eliminating MAN Games
- Pro Bowl Teams 32-Team ROM
- Removing Teams from the Menu
- Removing Teams from a ROM
- Control Icon Flashing
Formations, Names
- RB Playbook Name
- Offensive Formations: Graphics, Text
- Offensive Starters: Names
- Special Teams: Formation Hacks
Field of Play
- Goal Post Color
- Field Color
- End Zone Tutorial
- Map of Field of Play & HEX Locations
- Active Player Icon
- Mid-Field Logo Document & Images
- Mid-Field Logo Palette Location & More
EVENTS
In-Game
- Intro Cutscene Locations
- Division Cutscene Information
- Cutscenes Other Locations
- Editing Cutscenes
- Cutscene Player Skin Color
- Cutscenes Events in Hex
MUSIC
TSB Music
- Music Channels: Hex Guide
- Change In-game Music
- Add sounds to menus
- Map of Hex Values for Sound/Music Pointers
- Randomize the Tecmo Play Loop Music
GAMEPLAY
Kicking, Punting
- Kickoff Length
- Kickoff Touchbacks
- Kickoff Positioning
- KR Speed Change From RT to Actual KR Player
- PR Speed Change From SS to Actual PR Player
- Punting Length / Coverage
- Field Goal Length
- Field Goal Arrow Speed
- Pitch / Hike Snap Speed / Loft
- Time Out / Touchback / Fair Catch/ Kneel Hack
- Directional Punts
- Player 2 Onside Kick Recovery Odds
- Avoid Block Kick Fix
- COM Punt Timing
Gameplay Clock, Playbook Clock, Quarter scores
- Quarter Length
- Quarter Length / Options Display (32-Team ROM)
- Possession-style Overtime Rules
- Keep quarter scores intact if game goes into Overtime
Down & Distance
Player Movement, Positioning
- How Quickly Players Rise & How Far They Are Thrown
- Options Formation Hack Information
- Options Formations & Off/Def Huddle Break
- Offense: Remove Diving / Jumping
- Offense: Exchange Players for Custom Formation Sets
- Defense: 3-4 or 4-3 Team Formations
- Special Teams: KR XY Location
Player Attributes During Gameplay
- Passing Probability Table
- INTs, Deflections, Covered Catches
- Defensive Diving Control Percentage
- Fumbled Snaps
- Handoffs, Pitches, Snaps, & Player Control
- Player Diving Animation Timing
- Snap Exchange Timing
- Grappling: Time Limit
- Grappling: HP Hack (NES)
- Grappling: HP Hack (SNES)
- General Attributes Probabilities
- QB Split PC / PA Ratings
- Swap PC / PA Ratings
- QB / PR Fumbling Increased
- QB WR Priority Selection
- Better INT Return Hack
- Quickness Controls INT / Fumble Return Speeds
- Quickness for Pass Incompletions for Coverage
- Condition Change Every Play
- Players In Average Condition Always
- Displayed Attributes Numbers Locations
- Bump Success Rate
- Prevent Fumbling After TD
Custom Defensive Formations, Reactions
- Defensive Formation Mega Guide
- Defensive Play Fake Presnap Movement
- Defensive Reactions Overview
- NCAA TSB Conversion Superpack
Injuries
- Turn Off Season Injuries
- Turn On Preseason Injuries
- Injuries & Probabilities
- Decrease / Increase Rate
- Injury Return Rate
Game-types
- Team Control – MAN/SKP/COA/COM
- Moving Teams to New Divisions
- Franchise QB Mode
- MAN vs COA to COM vs MAN w/ 50% Chance of Playing on Either Side During Season
- Play as 2nd Player Against CPU
PLAYBOOK
Play Code, Pointers, Data Tables
- Passing Game Probability Table Hack
- Passing % Spreadsheet with INT/Quickness Hack
- Offensive Preference
- Offensive Playbook Design Guide
- Offensive Playbook HEX Guide
- Default Playbook Points / ROM Data
- Pro Bowl Playbooks
- RUN / PASS Playbook Ratio
- RUN / PASS Slots Code
- RB Name Listing
- TSB ROM Bank Dissected
STATS & SAVE STATES
Stats
- Stats Screen, End Quarter Stats, & Skip to Main Menu
- Add Stats Screen to End of Quarters
- TSB Stats Code
- Nestopia Save State Info
Tackles & Injuries
CPU & SIM
Attributes, Play Ratio, SIM Stats
- COM Find Open Receiver
- COM Enhanced Coverage
- COM OL / DL Rush Penetration
- COM Diving: Off/On
- COM vs COM Grappling Differential
- COM Sim Attribute Locations
- COM Play Calling/Go For It General Logic
- COM Ultra Logic Hack
- COM Defensive Juice: Introduction
- COM Defensive Juice: HEX Locations
- COM RUN / PASS Ratio
- COM Control Movement Logic Summary
32-TEAM ROM FIXES
32-Team ROM NFC West Locations
(The numbers in “()” are length per team and “[]” is total length for all 4 teams.)
- 0x199C1 – Sim Data ($30)[$C0]
- 0x23FF0 – Large Helmet Palettes ($08)[$20]
- 0x27FDB – Run/Pass Ratio ($01)[$04]
- 0x2CF82 – In-game Jersey Colors ($0A)[$28]
- 0x348F7 – Action Sequence Palettes ($08)[$20]
- 0x34953 – Division Champ Screen Palettes ($05)[$14]
- 0x349D2 – Conference Champ Screen Palettes ($04)[$10]
(When playing, ‘heavy pass’ does ‘heavy rush.’)
- x273B4 – change to x20 xB6 x9F
NFC West “SIM” Bugs
- x27479 to x2747B – change to x20 xB6 x9F (Team 1)
- x27481 to x27483 – change to x20 xB6 x9F (Team 2)
- x27FCE should be xE0 (Compares team value correctly)
INCOMPLETE HACKS
Still Developing