Function Sync

src/boards/77.cpp:34–39

};

static void Sync(void) {
	setprg32(0x8000, latche & 7);
	setchr2(0x0000, latche >> 4);
	setchr2r(0x10, 0x0800, 2);
	setchr4r(0x10, 0x1000, 0);
}

static DECLFW(M77Write) {
	latche = V;