diff --git a/Cargo.lock b/Cargo.lock
index 5bfd9b7a8..0e74d5975 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -444,17 +444,17 @@ dependencies = [
 [[package]]
 name = "hbbytecode"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#641be15703153386fef1a6b083a7e00c85414df9"
+source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#f172c332478f54839ea8b3814883ffa7ac29b5b1"
 
 [[package]]
 name = "hbbytecode"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/ableos/holey-bytes#641be15703153386fef1a6b083a7e00c85414df9"
+source = "git+https://git.ablecorp.us/ableos/holey-bytes#f172c332478f54839ea8b3814883ffa7ac29b5b1"
 
 [[package]]
 name = "hblang"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#641be15703153386fef1a6b083a7e00c85414df9"
+source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#f172c332478f54839ea8b3814883ffa7ac29b5b1"
 dependencies = [
  "hbvm 0.1.0 (git+https://git.ablecorp.us/AbleOS/holey-bytes.git)",
 ]
@@ -462,7 +462,7 @@ dependencies = [
 [[package]]
 name = "hbvm"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#641be15703153386fef1a6b083a7e00c85414df9"
+source = "git+https://git.ablecorp.us/AbleOS/holey-bytes.git#f172c332478f54839ea8b3814883ffa7ac29b5b1"
 dependencies = [
  "hbbytecode 0.1.0 (git+https://git.ablecorp.us/AbleOS/holey-bytes.git)",
 ]
@@ -470,7 +470,7 @@ dependencies = [
 [[package]]
 name = "hbvm"
 version = "0.1.0"
-source = "git+https://git.ablecorp.us/ableos/holey-bytes#641be15703153386fef1a6b083a7e00c85414df9"
+source = "git+https://git.ablecorp.us/ableos/holey-bytes#f172c332478f54839ea8b3814883ffa7ac29b5b1"
 dependencies = [
  "hbbytecode 0.1.0 (git+https://git.ablecorp.us/ableos/holey-bytes)",
 ]
diff --git a/sysdata/libraries/stn/src/buffer.hb b/sysdata/libraries/stn/src/buffer.hb
index fd8b0aabf..ef5bf7155 100644
--- a/sysdata/libraries/stn/src/buffer.hb
+++ b/sysdata/libraries/stn/src/buffer.hb
@@ -5,19 +5,19 @@ receive_message := fn(buffer_id: int, memory_map_location: ^u8, length: int): ^u
 }
 
 send_message := fn(msg: ^u8, buffer_id: int): void {
-	msg_length := string.length(msg)
+	msg_length := @inline(string.length, msg)
 	@eca(i32, 3, buffer_id, msg, msg_length)
 	return
 }
 
 create := fn(msg: ^u8): int {
-	msg_length := string.length(msg);
+	msg_length := @inline(string.length, msg);
 	*msg = 0
 	return @eca(int, 3, 0, msg, msg_length)
 }
 
 search := fn(msg: ^u8): int {
-	msg_length := string.length(msg);
+	msg_length := @inline(string.length, msg);
 	*msg = 3
 
 	return @eca(int, 3, 0, msg, msg_length)
diff --git a/sysdata/libraries/stn/src/log.hb b/sysdata/libraries/stn/src/log.hb
index 42cf4a666..d643d766f 100644
--- a/sysdata/libraries/stn/src/log.hb
+++ b/sysdata/libraries/stn/src/log.hb
@@ -2,7 +2,7 @@ string := @use("rel:string.hb")
 buffer := @use("rel:buffer.hb")
 
 log := fn(message: ^u8, level: u8): void {
-	message_length := string.length(message);
+	message_length := @inline(string.length, message);
 	*(message + message_length) = level
 	@eca(i32, 3, 1, message, message_length + 1)
 	return
diff --git a/sysdata/libraries/stn/src/string.hb b/sysdata/libraries/stn/src/string.hb
index 260b03a77..e4ba668f6 100644
--- a/sysdata/libraries/stn/src/string.hb
+++ b/sysdata/libraries/stn/src/string.hb
@@ -1,51 +1,38 @@
 length := fn(ptr: ^u8): int {
 	len := 0
-	loop if *ptr == 0 break else {
-		len += 1
-		ptr += 1
-	}
+	loop if *(ptr + len) == 0 break else len += 1
 	return len
 }
 
 display_int := fn(num: int, p: ^u8): ^u8 {
 	i := 0
 	if num == 0 {
-		set(p, 48)
+		*p = 48
 		return p
 	}
-	loop {
-		if num == 0 break
-		set(p + i, num % 10 + 48)
+	loop if num == 0 break else {
+		*(p + i) = num % 10 + 48
 		num /= 10
 		i += 1
 	}
-	reverse(p)
-	//null terminate
-	set(p + i, 0)
+	@inline(reverse, p);
+	*(p + i) = 0
 	return p
 }
 
 reverse := fn(s: ^u8): void {
 	//reverse a string, don't remove digits
 	len := 0
-	loop {
-		if *(s + len) == 0 break
-		len += 1
-	}
+	loop if *(s + len) == 0 break else len += 1
 	i := 0
 	j := len - 1
-	loop {
-		if i >= j break
-		temp := *(s + i);
+	temp := 0
+	loop if i >= j break else {
+		temp = *(s + i);
 		*(s + i) = *(s + j);
 		*(s + j) = temp
 		i += 1
 		j -= 1
 	}
 	return
-}
-
-set := fn(change: ^u8, new: int): void {
-	*change = new
-	return
 }
\ No newline at end of file
diff --git a/sysdata/programs/diskio_driver/src/main.hb b/sysdata/programs/diskio_driver/src/main.hb
index dd0ddf2ed..18004027e 100644
--- a/sysdata/programs/diskio_driver/src/main.hb
+++ b/sysdata/programs/diskio_driver/src/main.hb
@@ -1,5 +1,4 @@
-stn := @use("../../../libraries/stn/src/lib.hb");
-.{log, string, memory, buffer} := stn
+.{memory, buffer} := @use("../../../libraries/stn/src/lib.hb")
 
 main := fn(): int {
 	// shuts down ableOS
diff --git a/sysdata/programs/fb_driver/src/draw.hb b/sysdata/programs/fb_driver/src/draw.hb
index 9faf24a24..089dc38e5 100644
--- a/sysdata/programs/fb_driver/src/draw.hb
+++ b/sysdata/programs/fb_driver/src/draw.hb
@@ -1,13 +1,13 @@
-.{draw_pixel, screenidx, Transform, Point, Rect, Buffer, FB_WIDTH} := @use("rel:lib.hb")
-ColorBGRA := @use("rel:color.hb").ColorBGRA
-math := @use("../../../libraries/stn/src/lib.hb").math
+.{draw_pixel, screenidx, Transform, Point, Rect, Buffer, FB_WIDTH} := @use("rel:lib.hb");
+.{math} := @use("../../../libraries/stn/src/lib.hb");
+.{ColorBGRA} := @use("rel:color.hb")
 
 /* draws a filled rectangle to the screen
    will be optimised later */
 rect_fill := fn(buffer: Buffer, pos: Point, tr: Transform, color: ColorBGRA): void {
 	n := 0
 	loop if n == tr.height * tr.width break else {
-		*(buffer.write + screenidx(.(n % tr.width + pos.x, n / tr.width + pos.y))) = color
+		*(buffer.write + @inline(screenidx, .(n % tr.width + pos.x, n / tr.width + pos.y))) = color
 		n += 1
 	}
 	return
@@ -22,13 +22,13 @@ rect_line := fn(buffer: Buffer, pos: Point, tr: Transform, color: ColorBGRA, thi
 		y = pos.y
 		x = pos.x
 		loop if y == pos.y + tr.height break else {
-			*(buffer.write + pos.x + t + FB_WIDTH * y) = color;
-			*(buffer.write + pos.x + tr.width - t + FB_WIDTH * y) = color
+			*(buffer.write + @inline(screenidx, .(pos.x + t, y))) = color;
+			*(buffer.write + @inline(screenidx, .(pos.x + tr.width - t, y))) = color
 			y += 1
 		}
 		loop if x == pos.x + tr.width break else {
-			*(buffer.write + x + (pos.y + t) * FB_WIDTH) = color;
-			*(buffer.write + x + (pos.y + tr.height - t) * FB_WIDTH) = color
+			*(buffer.write + @inline(screenidx, .(x, pos.y + t))) = color;
+			*(buffer.write + @inline(screenidx, .(x, pos.y + tr.height - t))) = color
 			x += 1
 		}
 		t += 1
@@ -49,7 +49,7 @@ line_low := fn(buffer: Buffer, p0: Point, p1: Point, color: ColorBGRA): void {
 	y := p0.y
 	x := p0.x
 	loop if x == p1.x break else {
-		*(buffer.write + x + y * FB_WIDTH) = color
+		*(buffer.write + @inline(screenidx, .(x, y))) = color
 		if D > 0 {
 			y += yi
 			D += 2 * (dy - dx)
@@ -73,7 +73,7 @@ line_high := fn(buffer: Buffer, p0: Point, p1: Point, color: ColorBGRA): void {
 	x := p0.x
 	y := p0.y
 	loop if y == p1.y break else {
-		*(buffer.write + x + y * FB_WIDTH) = color
+		*(buffer.write + @inline(screenidx, .(x, y))) = color
 		if D > 0 {
 			x += xi
 			D += 2 * (dx - dy)
@@ -88,17 +88,17 @@ line_high := fn(buffer: Buffer, p0: Point, p1: Point, color: ColorBGRA): void {
 /* implementation of Bresenham's line algorithm
    TODO: thickness, might need better math library */
 line := fn(buffer: Buffer, p0: Point, p1: Point, color: ColorBGRA, thickness: int): void {
-	if math.abs(p1.y - p0.y) < math.abs(p1.x - p0.x) {
+	if @inline(math.abs, p1.y - p0.y) < @inline(math.abs, p1.x - p0.x) {
 		if p0.x > p1.x {
-			line_low(buffer, p1, p0, color)
+			@inline(line_low, buffer, p1, p0, color)
 		} else {
-			line_low(buffer, p0, p1, color)
+			@inline(line_low, buffer, p0, p1, color)
 		}
 	} else {
 		if p0.y > p1.y {
-			line_high(buffer, p1, p0, color)
+			@inline(line_high, buffer, p1, p0, color)
 		} else {
-			line_high(buffer, p0, p1, color)
+			@inline(line_high, buffer, p0, p1, color)
 		}
 	}
 	return
diff --git a/sysdata/programs/fb_driver/src/examples/buffers.hb b/sysdata/programs/fb_driver/src/examples/buffers.hb
new file mode 100644
index 000000000..415740899
--- /dev/null
+++ b/sysdata/programs/fb_driver/src/examples/buffers.hb
@@ -0,0 +1,19 @@
+.{front_buffer_ptr, front_buffer_copy, get_front_buffer, Buffer} := @use("../lib.hb");
+
+example := fn(): void {
+	// you can get the raw frontbuffer pointer using
+	raw_buffer := front_buffer_ptr
+	// this buffer is the one that you write individual pixels to
+
+	// you can gete the copy frontbuffer pointer using
+	copy_buffer := front_buffer_copy
+	/* this buffer is used for massive writing
+       operations by taking advantage of
+       static copying */
+
+	// you can construct a buffer like so
+	buffer := Buffer.{write: raw_buffer, copy: copy_buffer}
+	// this is the operation that get_front_buffer does
+	same_buffer := get_front_buffer()
+	return
+}
\ No newline at end of file
diff --git a/sysdata/programs/fb_driver/src/examples/front_buffer.hb b/sysdata/programs/fb_driver/src/examples/front_buffer.hb
deleted file mode 100644
index 8c1bf5a6b..000000000
--- a/sysdata/programs/fb_driver/src/examples/front_buffer.hb
+++ /dev/null
@@ -1,19 +0,0 @@
-.{front_buffer_ptr, front_buffer_copy, get_front_buffer, Buffer} := @use("../lib.hb");
-
-example := fn(): void {
-    // you can get the raw frontbuffer pointer using
-    raw_buffer := front_buffer_ptr
-    // this buffer is the one that you write individual pixels to
-
-    // you can gete the copy frontbuffer pointer using
-    copy_buffer := copy_buffer_ptr
-    /* this buffer is used for massive writing
-       operations by taking advantage of
-       static copying */
-    
-    // you can construct a buffer like so
-    buffer := Buffer.{write: raw_buffer, copy: copy_buffer}
-    // this is the operation that get_front_buffer does
-    same_buffer := get_front_buffer()
-    return
-}
\ No newline at end of file
diff --git a/sysdata/programs/fb_driver/src/examples/random.hb b/sysdata/programs/fb_driver/src/examples/random.hb
new file mode 100644
index 000000000..75ecb8188
--- /dev/null
+++ b/sysdata/programs/fb_driver/src/examples/random.hb
@@ -0,0 +1,17 @@
+.{clear, get_front_buffer, screenidx} := @use("../lib.hb");
+.{ColorBGRA} := @use("../color.hb");
+.{random} := @use("../../../../libraries/stn/src/lib.hb")
+
+example := fn(): void {
+	buffer := get_front_buffer()
+	clear(buffer)
+	loop {
+		x := random.integer(0, 1024)
+		y := random.integer(0, 768)
+		r := random.integer(0, 255)
+		g := random.integer(0, 75)
+		b := random.integer(0, 155);
+		*(buffer.write + @inline(screenidx, .(x, y))) = ColorBGRA.(b, g, r, 255)
+	}
+	return
+}
\ No newline at end of file
diff --git a/sysdata/programs/fb_driver/src/lib.hb b/sysdata/programs/fb_driver/src/lib.hb
index 02c88c5e9..ca91a630e 100644
--- a/sysdata/programs/fb_driver/src/lib.hb
+++ b/sysdata/programs/fb_driver/src/lib.hb
@@ -1,4 +1,4 @@
-.{memory, log, math} := @use("../../../libraries/stn/src/lib.hb");
+.{memory, math} := @use("../../../libraries/stn/src/lib.hb");
 .{ColorBGRA, blend} := @use("rel:color.hb")
 
 FB_WIDTH := 1024
@@ -14,29 +14,27 @@ TOTAL_PAGES := 1 + FB_BYTES >> 12
 Buffer := struct {write: ^ColorBGRA, copy: ^[ColorBGRA; COPY_PIXELS]}
 Point := struct {x: int, y: int}
 Transform := struct {width: int, height: int}
-Rect := struct {p1: Point, p2: Point}
 
 front_buffer_ptr := @as(^ColorBGRA, @bitcast(0xFFFF8000C0000000))
 front_buffer_copy := @as(^[ColorBGRA; COPY_PIXELS], @bitcast(front_buffer_ptr))
 
 get_front_buffer := fn(): Buffer {
 	// trying to return front_buffer_ptr or front_buffer_copy causes reg id leak
-	return Buffer.{write: @as(^ColorBGRA, @bitcast(0xFFFF8000C0000000)), copy: @as(^[ColorBGRA; COPY_PIXELS], @bitcast(0xFFFF8000C0000000))}
+	buffer := Buffer.{write: front_buffer_ptr, copy: front_buffer_copy}
+	return buffer
 }
 /* this is separate to create_raw_buffer because returning a Buffer from 
    create_raw_buffer causes reg id leak */
 create_buffer := fn(): Buffer {
-	ptr := create_raw_buffer()
-	ptr_copy := @as(^[ColorBGRA; COPY_PIXELS], @bitcast(ptr))
-	// same here, bitcasting inside the struct literal causes reg id leak
-	buffer := Buffer.{write: ptr, copy: ptr_copy}
+	ptr := @inline(create_raw_buffer)
+	buffer := Buffer.{write: ptr, copy: @as(^[ColorBGRA; COPY_PIXELS], @bitcast(ptr))}
 	return buffer
 }
 create_raw_buffer := fn(): ^ColorBGRA {
 	if TOTAL_PAGES <= 0xFF {
-		return @bitcast(memory.request_page(TOTAL_PAGES))
+		return @bitcast(@inline(memory.request_page, TOTAL_PAGES))
 	}
-	ptr := memory.request_page(255)
+	ptr := @inline(memory.request_page, 255)
 	remaining := TOTAL_PAGES - 0xFF
 	loop if remaining <= 0 break else {
 		if remaining < 0xFF {
@@ -66,11 +64,11 @@ clear := fn(buffer: Buffer, color: ColorBGRA): void {
 }
 // only required to be called when using a back buffer. if using single-buffered rendering, do not call this.
 present := fn(buffer: Buffer): void {
-	offset := 0
+	n := 0
 	// copy chunks of the read buffer to the front buffer
-	loop if offset >= PARTITIONS break else {
-		*(front_buffer_copy + offset) = *(buffer.copy + offset)
-		offset += 1
+	loop if n >= PARTITIONS break else {
+		*(front_buffer_copy + n) = *(buffer.copy + n)
+		n += 1
 	}
 	return
 }
@@ -85,13 +83,6 @@ composite := fn(buffer1: Buffer, buffer2: Buffer): void {
 	}
 	return
 }
-// really need to be able to inline this please - aurlex
 screenidx := fn(pos: Point): int {
 	return pos.x + FB_WIDTH * pos.y
-}
-point2rect := fn(pos: Point, tr: Transform): Rect {
-	return .(pos, .(pos.x + tr.x, pos.y + tr.y))
-}
-rect2point := fn(rect: Rect): struct {point: Point, transform: Transform} {
-	return .(.(0, 0), .(0, 0))
 }
\ No newline at end of file
diff --git a/sysdata/programs/fb_driver/src/main.hb b/sysdata/programs/fb_driver/src/main.hb
index ab3726ba8..e1c71c26a 100644
--- a/sysdata/programs/fb_driver/src/main.hb
+++ b/sysdata/programs/fb_driver/src/main.hb
@@ -1,6 +1,6 @@
-.{example} := @use("./examples/colors.hb")
+.{example} := @use("./examples/lines.hb")
 
 main := fn(): int {
-	example()
+	@inline(example)
 	return 0
 }
\ No newline at end of file
diff --git a/sysdata/programs/serial_driver_test/src/main.hb b/sysdata/programs/serial_driver_test/src/main.hb
index da3b881eb..a9af0faff 100644
--- a/sysdata/programs/serial_driver_test/src/main.hb
+++ b/sysdata/programs/serial_driver_test/src/main.hb
@@ -5,7 +5,7 @@ log_info := fn(): void {
 	if a == 0 {
 	} else {
 		msg := "XABC\0"
-		msg_length := string.length(msg)
+		msg_length := @inline(string.length, msg)
 		@eca(void, 3, a, msg, msg_length)
 	}