ref: f8455e9b4f0270811dac718810811292beb41da6 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