diff --git a/include/keypad.h b/include/keypad.h
index 83e0626..5eec1fc 100644
--- a/include/keypad.h
+++ b/include/keypad.h
@@ -3,18 +3,18 @@
 
 #include <stdint.h>
 
-#define K0 (1 << 0)
-#define K1 (1 << 1)
-#define K2 (1 << 2)
-#define K3 (1 << 3)
-#define K4 (1 << 4)
-#define K5 (1 << 5)
-#define K6 (1 << 6)
-#define K7 (1 << 7)
-#define K8 (1 << 8)
-#define K9 (1 << 9)
-#define KS (1 << 10)
-#define KP (1 << 11)
+#define K0 (uint16_t)(1 << 0)
+#define K1 (uint16_t)(1 << 1)
+#define K2 (uint16_t)(1 << 2)
+#define K3 (uint16_t)(1 << 3)
+#define K4 (uint16_t)(1 << 4)
+#define K5 (uint16_t)(1 << 5)
+#define K6 (uint16_t)(1 << 6)
+#define K7 (uint16_t)(1 << 7)
+#define K8 (uint16_t)(1 << 8)
+#define K9 (uint16_t)(1 << 9)
+#define KS (uint16_t)(1 << 10)
+#define KP (uint16_t)(1 << 11)
 
 void keypad_init(void);
 
diff --git a/initrd/init b/initrd/init
index fcf9ec2..4351743 100644
--- a/initrd/init
+++ b/initrd/init
@@ -1,15 +1 @@
-do
-	getkey > input
-	if (input & 4)
-		rand 479 > x
-		rand 319 > y
-		rand 479 > i
-		rand 319 > j
-		rand 32767 > purple
-		
-		line x y i j purple
-	end
-while (1)
-
-print "done"
-
+print "Hello, world!"
diff --git a/libinterp.a b/libinterp.a
index 561bb11..d52e280 100644
Binary files a/libinterp.a and b/libinterp.a differ
diff --git a/src/keypad.c b/src/keypad.c
index 41fc924..06e0b6a 100644
--- a/src/keypad.c
+++ b/src/keypad.c
@@ -1,18 +1,18 @@
 #include <keypad.h>
 #include <gpio.h>
 
-#define PIN_0 GPIO_PORT(A, 11)
-#define PIN_1 GPIO_PORT(B, 13)
-#define PIN_2 GPIO_PORT(B, 2)
-#define PIN_3 GPIO_PORT(A, 12)
-#define PIN_4 GPIO_PORT(B, 14)
-#define PIN_5 GPIO_PORT(B, 11)
-#define PIN_6 GPIO_PORT(C, 5)
-#define PIN_7 GPIO_PORT(B, 15)
-#define PIN_8 GPIO_PORT(B, 12)
-#define PIN_9 GPIO_PORT(C, 6)
-#define PIN_S GPIO_PORT(B, 1)
-#define PIN_P GPIO_PORT(C, 8)
+#define PIN_0 GPIO_PORT(B, 2)
+#define PIN_1 GPIO_PORT(B, 1)
+#define PIN_2 GPIO_PORT(A, 11)
+#define PIN_3 GPIO_PORT(C, 8)
+#define PIN_4 GPIO_PORT(B, 15)
+#define PIN_5 GPIO_PORT(B, 12)
+#define PIN_6 GPIO_PORT(C, 6)
+#define PIN_7 GPIO_PORT(B, 14)
+#define PIN_8 GPIO_PORT(B, 11)
+#define PIN_9 GPIO_PORT(C, 5)
+#define PIN_S GPIO_PORT(B, 13)
+#define PIN_P GPIO_PORT(A, 12)
 
 typedef struct {
 	GPIO_TypeDef *port;
@@ -43,7 +43,7 @@ void keypad_init(void)
 		gpio_mode(p, pin, OUTPUT);
 		gpio_dout(p, pin, 0);
 		gpio_mode(p, pin, INPUT);
-		gpio_pupd(p, pin, PULLDOWN);
+		//gpio_pupd(p, pin, PULLDOWN);
 	}
 }
 
diff --git a/src/main.c b/src/main.c
index abcb8e6..74ae6b7 100644
--- a/src/main.c
+++ b/src/main.c
@@ -23,6 +23,8 @@ void task_interpreter(void);
 int main(void)
 {
 	asm("cpsid i");
+	// disable cached writes for precise debug info
+	//*((uint32_t *)0xE000E008) |= 2;
 
 	// prepare flash latency for 80MHz operation
 	FLASH->ACR &= ~(FLASH_ACR_LATENCY);
@@ -59,6 +61,7 @@ void kmain(void)
 	while (1) {
 		gpio_dout(GPIOA, 5,
 			(keypad_isdown(K0)));
+		delay(10);
 		/*gpio_dout(GPIOA, 5, 1);
 		delay(250);
 		gpio_dout(GPIOA, 5, 0);
diff --git a/xinitrd/init b/xinitrd/init
new file mode 100644
index 0000000..4fd74dd
--- /dev/null
+++ b/xinitrd/init
@@ -0,0 +1,33 @@
+print "Hello."
+
+set fg 32767
+
+# draw bg, lines
+rect 50 50 380 220 6375
+line 50 160 430 160 fg
+line 240 50 240 270 fg
+
+set x 50
+do
+	line x 170 x 150 fg
+	set x (x + 20)
+while (x < 431)
+
+set y 50
+do
+	line 230 y 250 y fg
+	set y (y + 20)
+while (y < 271)
+
+do
+	rand 379 > x
+	rand 219 > y
+	rand 379 > i
+	rand 219 > j
+	set x (x + 50)
+	set y (y + 50)
+	set i (i + 50)
+	set j (j + 50)
+
+	line x y i j 511
+while (1)
diff --git a/xinitrd/init2 b/xinitrd/init2
new file mode 100644
index 0000000..47dbae1
--- /dev/null
+++ b/xinitrd/init2
@@ -0,0 +1,21 @@
+do
+	getkey > input
+	print input
+	delay 1000
+while (1)
+
+#do
+#	getkey > input
+#	if (input & 4)
+#		rand 479 > x
+#		rand 319 > y
+#		rand 479 > i
+#		rand 319 > j
+#		rand 32767 > purple
+#		
+#		line x y i j purple
+#	end
+#while (1)
+#
+#print "done"
+