Fixed the emulator.

src/86box.c

@@ -1039,6 +1039,12 @@ pc_reset_hard_init(void)
 	if (postcard_enabled)
 		device_add(&postcard_device);
 
+	/* Reset the CPU module. */
+	resetx86();
+	dma_reset();
+	pci_pic_reset();
+	cpu_cache_int_enabled = cpu_cache_ext_enabled = 0;
+
 	atfullspeed = 0;
 	pc_full_speed();
 

src/dma.c

@@ -1043,7 +1043,7 @@ dma_reset(void)
 
     dma_mask = 0x00ffffff;
 
-    dma_at = 0;
+    dma_at = is286;
 }
 
 

src/include/86box/pci.h

@@ -125,6 +125,8 @@ extern void	trc_write(uint16_t port, uint8_t val, void *priv);
 
 extern void	pci_bridge_set_ctl(void *priv, uint8_t ctl);
 
+extern void	pci_pic_reset(void);
+
 
 #ifdef EMU_DEVICE_H
 extern const device_t dec21150_device;

src/machine/machine.c

@@ -114,15 +114,6 @@ machine_init_ex(int m)
        by the machine's init function). */
     video_reset(gfxcard);
 
-    /* Reset the CPU module. */
-    resetx86();
-    dma_reset();
-    pic_reset();
-    cpu_cache_int_enabled = cpu_cache_ext_enabled = 0;
-
-    dma_set_at(IS_AT(machine));
-    pic_set_pci_flag(IS_ARCH(machine, MACHINE_BUS_PCI));
-
     return ret;
 }
 

src/mem/rom.c

@@ -422,7 +422,7 @@ bios_add(void)
     if (/*AT && */cpu_s) {
 	temp_cpu_type = cpu_s->cpu_type;
 	temp_cpu_16bitbus = (temp_cpu_type == CPU_286 || temp_cpu_type == CPU_386SX || temp_cpu_type == CPU_486SLC || temp_cpu_type == CPU_IBM386SLC || temp_cpu_type == CPU_IBM486SLC );
-	temp_is286 = (temp_cpu_type == CPU_286);
+	temp_is286 = (temp_cpu_type >= CPU_286);
     }
 
     if (biosmask > 0x1ffff) {

src/pci.c

@@ -754,6 +754,14 @@ pci_reset_regs(void)
 }
 
 
+void
+pci_pic_reset(void)
+{
+    pic_reset();
+    pic_set_pci_flag(last_pci_card > 0);
+}
+
+
 static void
 pci_reset_hard(void)
 {
@@ -769,8 +777,7 @@ pci_reset_hard(void)
 	}
     }
 
-    pic_reset();
-    pic_set_pci_flag(1);
+    pci_pic_reset();
 }