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AFTER BURNER II RE-TONED V1.02 / 1.02B

This patch changes some colours from the original 1989 MegaDrive release, attract mode and in-game were slightly adjusted.

The way the palettes are arranged in the original ROM present a trade-off between better afterburrner effects vs decent explosions, so I created two different patches, I'm not delighted with any of them but it's a baby step.

V1.02 - Yellow Afterburner effect & yellowish explosions

V1.02B - Red Afterburner effect & reddish explosions

V1.02 / 1.02B – Initial patches

Tested on GENS & real hardware – Genesis Model 1 VA3 + Sony Trinitron 14FV300.

Hashes

Filename: After Burner II (USA, Europe).md
CRC32: ccafe00e
SHA-1: 523e4abdf19794a167a347b7eeca79907416e084
Verified: Sega - Mega Drive - Genesis v.20260617-060303 (No-Intro)

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Byros 2025-04-05
Don't like how this ROM ended up and want to take a shot at it? Here are my notes about palette locations, they're somewhat messy but usable with HivePal ------------------------------------------------------------------------------------------------------- After Burner II - Colour Palette ----------------------------------------- Intro After Burner I - Pink Spheres $15BE0 $15B5E - Pink & Blue White Shine $15B7E - Purple & Orange White Shine  Intro AFTER BURNER I Green Plane $15B00 -  Intro After Burner I - Gray Smoke $15B14 - Plane Gray Engine Parts $15b44 Intro After Burner I - Airplane Engine $15B0C Intro After Burner II - Gray Spheres $15BC0 Intro After Burner II - Blue Spheres $15BA0 Intro After Burner II - Title Text $15F38 Start After Burner II - Red Spheres $15B80 $15B04 Control Pad Blue Text Left $15B24 START / OPTION MENU $15B44 SEGA - DEMPA Text $15B42 SEGA DEMPA TEXT BACKGROUND OPTION MENU BACKGROUND $15B00 SEGA ENTERPRISE---------------- $15FCC CVN 606 Font Colour $15FCE Enterprise Green Font $15FD0 SEGA Blue Font TAKE OFF SMOKE $15B68 ------------------------------------ $15FE0 - SEGA BOOT SCREEN BLACK BACKGROUND $15FE2 -SEGA BOOT SCREEN TEXT INLINE ------------------------------------ STAGE SKY COLOURS 1X 15E42 Stage 1 ... 15E6E Stage 23 STAGE GROUND COLOURS 2X 15E84 Stage 1 ... 15EDC Stage 23 STAGE GROUND BUSHES & STUFF 15B8C Stage 1 15BEC Stage 3 15B6C Stage 4 15FAC Stage 8 Bonus XXXXX 23 TAKE OFF SKY & Level 1 $15B2C-NO $15DAC-NO $15E42-YES! $15E6A-NO $15E6E-NO $15B04 SEA - NO $15B14 NO $15C94  $15C90 - F14 TOMCAT WHITE PLANE & WHITE EXPLOSION? 15C94 TO> 15C9E -YES SECONDARY EXPLOSION ORANGE $15C44  $15C4C  $15C74 SECONDARY EXPLOSION ORANGE 2 CYCLE $15C40 $15D0C   $15B08 is afterburner flame effect $15B1E - START WHITE F14 & ENEMY LEVEL 1 SEA WAVES $15B70 $15B72 $15B92 - White wave - Light $15B94 - white wave - Mid $15B96 - White wave - Dark LEVEL 1 SKY $15CD4 - NO $15CF4 - NO $15D14 - No $160C4 - No $160F4 - No $15B44 - SPEED M Font Colour MISSILE SMOKE COLOURS (REDDISH) $15CA4 Dark Accent $15CA6 Dark Background $15CC4 Mid Accent $15CC6 Mid Background $15CE4 Light Accent $15CE6 Light Background ----------------- ENGINE COLOUR CYCLING $15C40 -  DEFAULT dc.w $004E,$008E,$006E,$00AE,$008E,$00CE,$006E,$00AE,$000E,$002E,$004E,$006E,$008E,$00AE,$00CE,$00EE dc.w $000E,$004E,$006E,$00AE,$00CE,$00AE,$006E,$004E,$000E,$004E,$006E,$00AE,$00CE,$00AE,$006E,$004E YELLOW FAST dc.w $00EE,$00EE,$00CE,$00CE,$00AE,$00AE,$008E,$008E,$006E,$006E,$004E,$004E,$002E,$002E,$000E,$000E dc.w $002E,$002E,$004E,$004E,$006E,$006E,$008E,$008E,$00AE,$00AE,$00CE,$00CE,$00EE,$00EE,$00CE,$00CE SUPER FAST YELLOW-RED dc.w $00EE,$00CE,$00AE,$008E,$006E,$004E,$002E,$000E,$000E,$002E,$004E,$006E,$008E,$00AE,$00CE,$00EE dc.w $00EE,$00CE,$00AE,$008E,$006E,$004E,$002E,$000E,$000E,$002E,$004E,$006E,$008E,$00AE,$00CE,$00EE
bjankins1 2025-04-05
I have no clue if you would take this on but would you try your color hacking skills on a genesis game called caliber.50? Goal in mind would be to make it look more like the arcade version
Byros 2025-04-05
Thanks for your kind words, I'm unfamiliar with caliber.50 both in the arcade and the megadrive/genesis, so I'm not sure if I could really add any meaningful color adjustment, but we'll see as time goes by.
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