Hook up Bidirectional LPT, EPP, and ECP to all Super I/O chips (missing is vendor-specific Configuration Register B behavior but that's next on my list), fixed Super I/O chip mistakes for a number of machines, split 286/386SX/M6117D machines into three separate files and reordered them as well.

src/machine/m_ps2_isa.c

@@ -168,6 +168,7 @@ ps2_isa_setup(int model, int cpu_type)
     ps2->uart = device_add_inst(&ns16450_device, 1);
 
     ps2->lpt  = device_add_inst(&lpt_port_device, 1);
+    lpt_set_ext(ps2->lpt, 1);
 
     lpt_port_remove(ps2->lpt);
     lpt_port_setup(ps2->lpt, LPT_MDA_ADDR);