Packard Bell machines: PS/2 mouse commands now suspend dynamic recompilation until the response byte is read, fixes #552.

src/device/kbc_at.c

@@ -1787,6 +1787,9 @@ kbc_at_process_cmd(void *priv)
                 if (dev->ib == 0xbb)
                     break;
 
+                if (strstr(machine_get_internal_name(), "pb") != NULL)
+                    cpu_override_dynarec = 1;
+
                 if (dev->misc_flags & FLAG_PS2) {
                     set_enable_aux(dev, 1);
                     if ((dev->ports[1] != NULL) && (dev->ports[1]->priv != NULL)) {
@@ -1891,6 +1894,8 @@ kbc_at_read(uint16_t port, void *priv)
                      This also means that in AT mode, the IRQ is level-triggered. */
             if (!(dev->misc_flags & FLAG_PS2))
                 picintclevel(1 << 1, &dev->irq_state);
+            if ((strstr(machine_get_internal_name(), "pb") != NULL) && (cpu_override_dynarec == 1))
+                cpu_override_dynarec = 0;
             break;
 
         case 0x64:

src/device/mouse_ps2.c

@@ -21,6 +21,7 @@
 #include <wchar.h>
 #define HAVE_STDARG_H
 #include <86box/86box.h>
+#include "cpu.h"
 #include <86box/device.h>
 #include <86box/keyboard.h>
 #include <86box/mouse.h>
@@ -276,6 +277,7 @@ ps2_write(void *priv)
                 break;
 
             default:
+                mouse_ps2_log("%s: Bad command: %02X\n", dev->name, val);
                 kbc_at_dev_queue_add(dev, 0xfe, 0);
         }
     }