Crystal Beans from Dungeon Explorer/ROM map

The following article is a ROM map for Crystal Beans from Dungeon Explorer.

Dialog data

• 03E396-03E401 (108) = Dialog section pointer table (36 24-bits pointers)
• 03E402-03E79D (924) = Dialog string pointer table (308 24-bits pointers)
• 03E79E-04649A (31997) = Dialog strings
• 04649B-04FFFA (39776) = Dialog font graphics (2 bpp planar aka GameBoy format)

Character movement sprite graphics

• 050000-053FFF (16384) = Bard (4 bpp Snes format)
• 054000-057FFF (16384) = Bowman (4 bpp Snes format)
• 058000-05BFFF (16384) = Warrior (4 bpp Snes format)
• 05C000-05FFFF (16384) = Kage (4 bpp Snes format)
• 060000-053FFF (16384) = Robot (4 bpp Snes format)
• 064000-057FFF (16384) = Wizard (4 bpp Snes format)
• 068000-05BFFF (16384) = Monk (4 bpp Snes format)
• 06C000-05FFFF (16384) = Dragon (4 bpp Snes format)
• 070000-053FFF (16384) = Fighter (4 bpp Snes format)
• 074000-057FFF (16384) = Priest (4 bpp Snes format)
• 078000-05BFFF (16384) = Thief (4 bpp Snes format)
• 07C000-05FFFF (16384) = Witch (4 bpp Snes format)

Music

• 120000-12038E (911) = Music engine asm code
  • 120030 = InitAPU?
  • 120087 = UploadSong?(byte songIndex<A>, byte numPatterns?<X>, byte <Y>)
  • 120151 = UploadPattern?(byte patternIndex<A>)
  • 1201EC = SelectInstrument?(byte instrument<A>)
  • 120204 = UploadInstrument?(byte instIndex<A>)
  • 12028E = SrcAddrAddition(word addr<X>, word bank<A>)
  • 1202C9 = StopSong?
  • 120305 = SendToAPU(word numToTransfer<X>, word apuTargetAddr<Y>)
    • if X = 0, send terminating block
  • 120378 = InitSPCTransfer
• 12038F-1204FF (369) = Unused/Padding
• 120500-1207FF (4864) = SPC Program

The following pointers use 121800 as the base address

• 121800-121801 (2) = pointer to next song chunk
• 121802-121803 (2) = number of pointers in next pointer table
• 121804-121837 (52) = song pattern order pointer table (26 16-bits pointers)
• 121838-121C0C (981) = songs pattern order (list of pattern indices terminated by a $FF byte)
• 121C0D-121C0E (2) = number of pointers in next pointer table
• 121C0F-121CC6 (184) = Pattern pointer table (92 16-bits pointers)
• 121CC7-12A08C (33734) = Patterns
• 12A08D-12A0FF (115) = Unused/Padding
• 12A100-12A4BF (960) = Instruments
• 12A4C0-145FFD (113469) = BRR Samples
• 145FFD-145FFF (3) = Unused/Padding

Cutscene data

• 146000-147907 (6408) = Cutscene font graphics
• 17D5E4-17D611 (46) = Cutscene string pointer table (23 16-bits pointers)
• 17D616-17DFC3 (2477) = Cutscene strings