Fix reporting for connected or unconnected inputs

Current implementation assumes all inputs are plugged, regardless of
input type settings, so input reporting in games also says its
connected.

This PR fix this minor issue, by sending appropriate input register
values when no controllers are attached.

Related issue (what i used as well for testing):
https://github.com/libretro/duckstation/issues/35

diff --git a/libpcsxcore/plugins.c b/libpcsxcore/plugins.c
index 8d99be2..a2f8fe2 100644 (file)
--- a/libpcsxcore/plugins.c
+++ b/libpcsxcore/plugins.c
@@ -630,6 +630,7 @@ void _PADstartPoll(PadDataS *pad) {
        switch (pad->controllerType) {
                case PSE_PAD_TYPE_MOUSE:
                        stdpar[0] = 0x12;
+                       stdpar[1] = 0x5a;
                        stdpar[2] = pad->buttonStatus & 0xff;
                        stdpar[3] = pad->buttonStatus >> 8;
                        stdpar[4] = pad->moveX;
@@ -639,6 +640,7 @@ void _PADstartPoll(PadDataS *pad) {
                        break;
                case PSE_PAD_TYPE_NEGCON: // npc101/npc104(slph00001/slph00069)
                        stdpar[0] = 0x23;
+                       stdpar[1] = 0x5a;
                        stdpar[2] = pad->buttonStatus & 0xff;
                        stdpar[3] = pad->buttonStatus >> 8;
                        stdpar[4] = pad->rightJoyX;
@@ -691,6 +693,7 @@ void _PADstartPoll(PadDataS *pad) {
                        break;
                case PSE_PAD_TYPE_ANALOGPAD: // scph1150
                        stdpar[0] = 0x73;
+                       stdpar[1] = 0x5a;
                        stdpar[2] = pad->buttonStatus & 0xff;
                        stdpar[3] = pad->buttonStatus >> 8;
                        stdpar[4] = pad->rightJoyX;
@@ -702,6 +705,7 @@ void _PADstartPoll(PadDataS *pad) {
                        break;
                case PSE_PAD_TYPE_ANALOGJOY: // scph1110
                        stdpar[0] = 0x53;
+                       stdpar[1] = 0x5a;
                        stdpar[2] = pad->buttonStatus & 0xff;
                        stdpar[3] = pad->buttonStatus >> 8;
                        stdpar[4] = pad->rightJoyX;
@@ -712,8 +716,8 @@ void _PADstartPoll(PadDataS *pad) {
                        respSize = 8;
                        break;
                case PSE_PAD_TYPE_STANDARD:
-               default:
                        stdpar[0] = 0x41;
+                       stdpar[1] = 0x5a;
                        stdpar[2] = pad->buttonStatus & 0xff;
                        stdpar[3] = pad->buttonStatus >> 8;
                        //avoid analog value in multitap mode if change pad type in game.
@@ -723,6 +727,19 @@ void _PADstartPoll(PadDataS *pad) {
                        stdpar[7] = 0xff;
                        memcpy(buf, stdpar, 8);
                        respSize = 8;
+                       break;
+               default:
+                       stdpar[0] = 0xff;
+                       stdpar[1] = 0xff;
+                       stdpar[2] = 0xff;
+                       stdpar[3] = 0xff;
+                       stdpar[4] = 0xff;
+                       stdpar[5] = 0xff;
+                       stdpar[6] = 0xff;
+                       stdpar[7] = 0xff;
+                       memcpy(buf, stdpar, 8);
+                       respSize = 8;
+                       break;
        }
 }