diff --git a/include/bios.h b/include/bios.h
index 213c73d6..4915a52a 100644
--- a/include/bios.h
+++ b/include/bios.h
@@ -103,6 +103,7 @@
 
 
 #define BIOS_DEFAULT_HANDLER_LOCATION	(RealMake(0xf000,0xff53))
+#define BIOS_DEFAULT_INT5_LOCATION		(RealMake(0xf000,0xff54))
 #define BIOS_DEFAULT_IRQ0_LOCATION		(RealMake(0xf000,0xfea5))
 #define BIOS_DEFAULT_IRQ1_LOCATION		(RealMake(0xf000,0xe987))
 #define BIOS_DEFAULT_IRQ2_LOCATION		(RealMake(0xf000,0xff55))
diff --git a/src/cpu/callback.cpp b/src/cpu/callback.cpp
index 716608aa..609db80b 100644
--- a/src/cpu/callback.cpp
+++ b/src/cpu/callback.cpp
@@ -256,7 +256,15 @@ Bitu CALLBACK_SetupExtra(Bitu callback, Bitu type, PhysPt physAddress, bool use_
 		phys_writew(physAddress+0x0b,(Bit16u)0x20e6);		// out 0x20, al
 		phys_writeb(physAddress+0x0d,(Bit8u)0x58);			// pop ax
 		phys_writeb(physAddress+0x0e,(Bit8u)0xcf);			//An IRET Instruction
-		return (use_cb?0x15:0x0f);
+		phys_writeb(physAddress+0x0f,(Bit8u)0xfa);			// cli
+		phys_writew(physAddress+0x10,(Bit16u)0x20b0);		// mov al, 0x20
+		phys_writew(physAddress+0x12,(Bit16u)0x20e6);		// out 0x20, al
+		phys_writeb(physAddress+0x14,(Bit8u)0x55);			// push bp
+		phys_writew(physAddress+0x15,(Bit16u)0x05cd);		// int 5
+		phys_writeb(physAddress+0x17,(Bit8u)0x5d);			// pop bp
+		phys_writeb(physAddress+0x18,(Bit8u)0x58);			// pop ax
+		phys_writeb(physAddress+0x19,(Bit8u)0xcf);			//An IRET Instruction
+		return (use_cb?0x20:0x1a);
 	case CB_IRQ9:	// pic cascade interrupt
 		if (use_cb) {
 			phys_writeb(physAddress+0x00,(Bit8u)0xFE);	//GRP 4
diff --git a/src/hardware/keyboard.cpp b/src/hardware/keyboard.cpp
index f3ef7e53..f85f5ab4 100644
--- a/src/hardware/keyboard.cpp
+++ b/src/hardware/keyboard.cpp
@@ -339,7 +339,10 @@ void KEYBOARD_AddKey(KBD_KEYS keytype,bool pressed) {
 		KEYBOARD_AddBuffer(69|(pressed?0:0x80));
 		return;
 	case KBD_printscreen:
-		/* Not handled yet. But usuable in mapper for special events */
+		KEYBOARD_AddBuffer(0xe0);
+		KEYBOARD_AddBuffer(42|(pressed?0:0x80));
+		KEYBOARD_AddBuffer(0xe0);
+		KEYBOARD_AddBuffer(55|(pressed?0:0x80));
 		return;
 	default:
 		E_Exit("Unsupported key press");
diff --git a/src/ints/bios.cpp b/src/ints/bios.cpp
index 77e92ae9..34679eb3 100644
--- a/src/ints/bios.cpp
+++ b/src/ints/bios.cpp
@@ -1102,6 +1102,11 @@ public:
 		CALLBACK_Setup(call_irq2,NULL,CB_IRET_EOI_PIC1,Real2Phys(BIOS_DEFAULT_IRQ2_LOCATION),"irq 2 bios");
 		RealSetVec(0x0a,BIOS_DEFAULT_IRQ2_LOCATION);
 
+		// INT 05h: Print Screen
+		// IRQ1 handler calls it when PrtSc key is pressed; does nothing unless hooked
+		phys_writeb(Real2Phys(BIOS_DEFAULT_INT5_LOCATION),0xcf);
+		RealSetVec(0x05,BIOS_DEFAULT_INT5_LOCATION);
+
 		/* Some hardcoded vectors */
 		phys_writeb(Real2Phys(BIOS_DEFAULT_HANDLER_LOCATION),0xcf);	/* bios default interrupt vector location -> IRET */
 		phys_writew(Real2Phys(RealGetVec(0x12))+0x12,0x20); //Hack for Jurresic
diff --git a/src/ints/bios_keyboard.cpp b/src/ints/bios_keyboard.cpp
index 8590b43a..7628a22a 100644
--- a/src/ints/bios_keyboard.cpp
+++ b/src/ints/bios_keyboard.cpp
@@ -284,6 +284,13 @@ static Bitu IRQ1_Handler(void) {
 	case 0xb6:						/* Right Shift Released */
 		flags1 &=~0x01;
 		break;
+	case 0x37:						/* Keypad * or PrtSc Pressed */
+		if (!(flags3 &0x02)) goto normal_key;
+		reg_ip+=7; // call int 5
+		break;
+	case 0xb7:						/* Keypad * or PrtSc Released */
+		if (!(flags3 &0x02)) goto normal_key;
+		break;
 	case 0x38:						/* Alt Pressed */
 		flags1 |=0x08;
 		if (flags3 &0x02) flags3 |=0x08;
@@ -399,6 +406,7 @@ static Bitu IRQ1_Handler(void) {
 		break;
 
 	default: /* Normal Key */
+normal_key:
 		Bit16u asciiscan;
 		/* Now Handle the releasing of keys and see if they match up for a code */
 		/* Handle the actual scancode */
@@ -638,6 +646,14 @@ void BIOS_SetupKeyboard(void) {
 	//	out 0x20, al
 	//	pop ax
 	//	iret
+	//	cli
+	//	mov al, 0x20
+	//	out 0x20, al
+	//	push bp
+	//	int 0x05
+	//	pop bp
+	//	pop ax
+	//	iret
 
 	if (machine==MCH_PCJR) {
 		call_irq6=CALLBACK_Allocate();
@@ -648,7 +664,11 @@ void BIOS_SetupKeyboard(void) {
 		//	in al, 0x60
 		//	cmp al, 0xe0
 		//	je skip
+		//	push ds
+		//	push 0x40
+		//	pop ds
 		//	int 0x09
+		//	pop ds
 		//	label skip:
 		//	cli
 		//	mov al, 0x20