Have a suitable default IO port configuration when nonIO is present from the config file. Fixed off by one in processing gamepad button events in libretro build

1 files changed, 3 insertions, 3 deletions

diff --git a/io.c b/io.c
index ffbda59..ac30c56 100644
--- a/io.c
+++ b/io.c
@@ -301,9 +301,9 @@ void setup_io_devices(tern_node * config, rom_info *rom, sega_io *io)
 {
 	io_port * ports = io->ports;
 	tern_node *io_nodes = tern_find_path(config, "io\0devices\0", TVAL_NODE).ptrval;
-	char * io_1 = rom->port1_override ? rom->port1_override : io_nodes ? tern_find_ptr(io_nodes, "1") : NULL;
-	char * io_2 = rom->port2_override ? rom->port2_override : io_nodes ? tern_find_ptr(io_nodes, "2") : NULL;
-	char * io_ext = rom->ext_override ? rom->ext_override : io_nodes ? tern_find_ptr(io_nodes, "ext") : NULL;
+	char * io_1 = rom->port1_override ? rom->port1_override : tern_find_ptr_default(io_nodes, "1", "gamepad6.1");
+	char * io_2 = rom->port2_override ? rom->port2_override : tern_find_ptr_default(io_nodes, "2", "gamepad6.2");
+	char * io_ext = rom->ext_override ? rom->ext_override : tern_find_ptr(io_nodes, "ext");
 
 	process_device(io_1, ports);
 	process_device(io_2, ports+1);