psxbios: Merging improved card_info function from upstream

It should be closer to the real thing, and this commit and the previous one
definitely fixes the save issues in Digimon World.

diff --git a/libpcsxcore/psxbios.c b/libpcsxcore/psxbios.c
index fd60955..265dbfd 100644 (file)
--- a/libpcsxcore/psxbios.c
+++ b/libpcsxcore/psxbios.c
@@ -1279,11 +1279,29 @@ void psxBios__card_info() { // ab
 #ifdef PSXBIOS_LOG
        PSXBIOS_LOG("psxBios_%s: %x\n", biosA0n[0xab], a0);
 #endif
-
+       u32 ret;
        card_active_chan = a0;
 
+       switch (card_active_chan) 
+       {
+       case 0x00: case 0x01: case 0x02: case 0x03:
+               ret = Config.Mcd1[0] ? 0x2 : 0x8;
+               break;
+       case 0x10: case 0x11: case 0x12: case 0x13:
+               ret = Config.Mcd2[0] ? 0x2 : 0x8;
+               break;
+       default:
+#ifdef PSXBIOS_LOG
+               PSXBIOS_LOG("psxBios_%s: UNKNOWN PORT 0x%x\n", biosA0n[0xab], card_active_chan);
+#endif
+               ret = 0x11;
+               break;
+       }
+       
+//     DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
 //     DeliverEvent(0x11, 0x2); // 0xf0000011, 0x0004
        DeliverEvent(0x81, 0x2); // 0xf4000001, 0x0004
+       DeliverEvent(0x81, ret); // 0xf4000001, 0x0004
 
        v0 = 1; pc0 = ra;
 }