ref: f1f84743f7759a0f808f935add82439ba6637d2b dir: /macros/pals.asm/
tilepal: MACRO ; vram bank, pals x = \1 << OAM_TILE_BANK rept (_NARG +- 1) / 2 dn (x | PAL_BG_\3), (x | PAL_BG_\2) shift shift endr endm