Card reset handling

Cacodemon345 · May 31, 2024 · 959946f · 959946f
1 parent 097f822
commit 959946f
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Showing 2 changed files with 20 additions and 0 deletions.
diff --git a/src/include/86box/pcmcia.h b/src/include/86box/pcmcia.h
@@ -34,6 +34,9 @@ struct pcmcia_socket_t {
     /* Signals READY to the socket. */
     void (*ready_changed)(bool ready, pcmcia_socket_t* socket);
 
+    /* Resets the card. */
+    void (*reset)(void *priv);
+
     /* Opaque pointer to card-specific information. */
     void *card_priv;
 

diff --git a/src/pcmcia/pcmcia_socket_pd6710.c b/src/pcmcia/pcmcia_socket_pd6710.c
@@ -383,6 +383,15 @@ void pd67xx_port_write(uint16_t port, uint8_t val, void* priv)
                 pd67xx->power_control = val;
                 break;
             }
+            case 0x03:
+            {
+                bool reset = !(val & (1 << 6)) && (pd67xx->interrupt_general_control & (1 << 6));
+                pd67xx->interrupt_general_control = val;
+                if ((pd67xx->power_control & (1 << 7)) && reset) {
+                    pd67xx->socket.reset(pd67xx->socket.card_priv);
+                }
+                break;
+            }
         }
     }
 }
@@ -401,6 +410,14 @@ uint8_t pd67xx_port_read(uint16_t port, void* priv)
                 return pd67xx->interface_status;
             case 0x02:
                 return pd67xx->power_control;
+            case 0x03:
+                return pd67xx->interrupt_general_control;
+            case 0x04:
+                {
+                    uint8_t ret = pd67xx->card_status;
+                    pd67xx->card_status = 0;
+                    return ret;
+                }
             default:
                 return 0xFF;
         }