Nerfed GBC:
gfx: 0,1 (8k)
gfx: 2,1 (8k)
gfx: 0,1 (8k)
tilemaps: 2k*2 (4k)

Very nerfed GBC:
gfx: 2,1 (8k)
gfx: 0 (4k)
tilemaps 2k*2 (4k)
96k total vram, -16k, 5 cache pages (80k)
256k total ewram,
[-4k for FS
-32k for SRAM
-0 for direct VRAM
-0 for no GBC WRAM
-.25k for instant pages
-5.5k for buffers]

-48k for for EWRAM vars, 18 cache pages total



GBC:
gfx: 0,1,2,3  (16k)
gfx: 4,1,5,3  (16k)
gfx: 0,1,2,3  (16k)
tilemaps: 2k*6
solid tiles: 512 bytes (lowerable to 128)
clear tile: 32 bytes

GB:
gfx: 0,1,*,* (8k)
gfx: 2,1,*,* (8k)
gfx: 0,1,*,* (8k)
tilemaps: 2k*2