ref: ca7734cfc57ca0c99efce2abbe247df3bb7aac23 dir: /macros/pals.asm/
tilepal: MACRO ; vram bank, pals x = \1 << 3 rept (_NARG +- 1) / 2 dn (x | PAL_BG_\3), (x | PAL_BG_\2) shift shift endr endm