diff --git a/examples/cube-pre/CMakeLists.txt b/examples/cube-pre/CMakeLists.txt
new file mode 100644
index 0000000..e776965
--- /dev/null
+++ b/examples/cube-pre/CMakeLists.txt
@@ -0,0 +1,50 @@
+#
+#	Copyright (c) 2024 Scott Duensing, scott@kangaroopunch.com
+#
+#	Permission is hereby granted, free of charge, to any person obtaining a copy
+#	of this software and associated documentation files (the "Software"), to deal
+#	in the Software without restriction, including without limitation the rights
+#	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#	copies of the Software, and to permit persons to whom the Software is
+#	furnished to do so, subject to the following conditions:
+#
+#	The above copyright notice and this permission notice shall be included in
+#	all copies or substantial portions of the Software.
+#
+#	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+#	SOFTWARE.
+#
+
+
+# This is only to make my IDE happy.
+# We can't actually build with it until I get llvm-mos integrated into
+# toolchains.  -- SCD
+
+
+cmake_minimum_required(VERSION 3.22)
+set(CMAKE_C_STANDARD 17)
+project(cube-pre)
+
+set(DEFINES ${CMAKE_SOURCE_DIR}/../../include)
+set(F256LIB ${CMAKE_SOURCE_DIR}/../../f256lib)
+
+set(CUBE_SOURCE
+    ${F256LIB}/f256.h
+    ${F256LIB}/f256.c
+    cube-pre.c
+)
+
+add_executable(${CMAKE_PROJECT_NAME}
+    ${CUBE_SOURCE}
+)
+
+target_include_directories(${CMAKE_PROJECT_NAME} PUBLIC
+    ${CMAKE_SOURCE_DIR}
+    ${DEFINES}
+    ${F256LIB}
+)
diff --git a/examples/cube-pre/build.sh b/examples/cube-pre/build.sh
new file mode 100755
index 0000000..03be1e9
--- /dev/null
+++ b/examples/cube-pre/build.sh
@@ -0,0 +1,52 @@
+#!/bin/bash -ex
+
+#
+#	Copyright (c) 2024 Scott Duensing, scott@kangaroopunch.com
+#
+#	Permission is hereby granted, free of charge, to any person obtaining a copy
+#	of this software and associated documentation files (the "Software"), to deal
+#	in the Software without restriction, including without limitation the rights
+#	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#	copies of the Software, and to permit persons to whom the Software is
+#	furnished to do so, subject to the following conditions:
+#
+#	The above copyright notice and this permission notice shall be included in
+#	all copies or substantial portions of the Software.
+#
+#	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+#	SOFTWARE.
+#
+
+
+PROJECT=cube-pre
+F256=$(pwd)/../..
+LLVM=${F256}/llvm-mos
+SETTINGS=${LLVM}/mos-platform/f256k/lib/settings.ld
+PATH=${LLVM}/bin:${PATH}
+
+START=0x200
+
+echo "__f256_start = ${START};" > ${SETTINGS}
+
+CLANG="mos-f256k-clang -I${F256}/include -I${F256}/f256lib -O3"
+
+${CLANG} -c ${F256}/f256lib/f256.c
+${CLANG} -c ${PROJECT}.c
+${CLANG} -o ${PROJECT} ${PROJECT}.o f256.o
+
+mv -f ${PROJECT} ${PROJECT}.bin
+
+${F256}/header/header \
+	pgz 24 \
+	${PROJECT}.pgz \
+	${START} \
+	${PROJECT}.bin ${START}
+
+#llvm-nm ${PROJECT}.elf > ${PROJECT}.lst
+llvm-objdump -d --print-imm-hex ${PROJECT}.elf > ${PROJECT}.lst
+hexdump -C ${PROJECT}.pgz > ${PROJECT}.hex
diff --git a/examples/cube-pre/cube-pre.c b/examples/cube-pre/cube-pre.c
new file mode 100644
index 0000000..cb296c4
--- /dev/null
+++ b/examples/cube-pre/cube-pre.c
@@ -0,0 +1,234 @@
+/*
+ *	Copyright (c) 2024 Scott Duensing, scott@kangaroopunch.com
+ *
+ *	Permission is hereby granted, free of charge, to any person obtaining a copy
+ *	of this software and associated documentation files (the "Software"), to deal
+ *	in the Software without restriction, including without limitation the rights
+ *	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *	copies of the Software, and to permit persons to whom the Software is
+ *	furnished to do so, subject to the following conditions:
+ *
+ *	The above copyright notice and this permission notice shall be included in
+ *	all copies or substantial portions of the Software.
+ *
+ *	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *	SOFTWARE.
+ */
+
+
+// Adapted from https://github.com/root42/doscube
+
+
+#include "f256.h"
+
+
+#define FIX_PREC 9
+#define TO_FIX(x) ((int32_t)((x)*(1<<FIX_PREC)))  // This is only used for initialization and needs to be constant.
+#define TO_LONG(x) (x>>FIX_PREC)  // ((x)/(1<<FIX_PREC))
+
+#define fix_mul(am,bm) (mathSignedMultiply(am, bm) >> FIX_PREC)
+#define fix_sqr(am)   (mathSignedMultiply(am, am) >> FIX_PREC)
+#define fix_div(num,den) (mathSignedMultiply(mathUnsignedDivision(0x8000, (den >> 1)), num) >> 7)  // ((a << FIX_PREC) / b)
+
+#define SIN_SIZE 512
+#define COS_OFF  128
+
+
+const int16_t SIN[] = { 0, 6, 12, 18, 25, 31, 37, 43, 50, 56, 62, 68, 75, 81, 87, 93,
+			  99, 106, 112, 118, 124, 130, 136, 142, 148, 154, 160, 166, 172,
+			  178, 184, 190, 195, 201, 207, 213, 218, 224, 230, 235, 241, 246,
+			  252, 257, 263, 268, 273, 279, 284, 289, 294, 299, 304, 310, 314,
+			  319, 324, 329, 334, 339, 343, 348, 353, 357, 362, 366, 370, 375,
+			  379, 383, 387, 391, 395, 399, 403, 407, 411, 414, 418, 422, 425,
+			  429, 432, 435, 439, 442, 445, 448, 451, 454, 457, 460, 462, 465,
+			  468, 470, 473, 475, 477, 479, 482, 484, 486, 488, 489, 491, 493,
+			  495, 496, 498, 499, 500, 502, 503, 504, 505, 506, 507, 508, 508,
+			  509, 510, 510, 511, 511, 511, 511, 511, 512, 511, 511, 511, 511,
+			  511, 510, 510, 509, 508, 508, 507, 506, 505, 504, 503, 502, 500,
+			  499, 498, 496, 495, 493, 491, 489, 488, 486, 484, 482, 479, 477,
+			  475, 473, 470, 468, 465, 462, 460, 457, 454, 451, 448, 445, 442,
+			  439, 435, 432, 429, 425, 422, 418, 414, 411, 407, 403, 399, 395,
+			  391, 387, 383, 379, 375, 370, 366, 362, 357, 353, 348, 343, 339,
+			  334, 329, 324, 319, 314, 310, 304, 299, 294, 289, 284, 279, 273,
+			  268, 263, 257, 252, 246, 241, 235, 230, 224, 218, 213, 207, 201,
+			  195, 190, 184, 178, 172, 166, 160, 154, 148, 142, 136, 130, 124,
+			  118, 112, 106, 99, 93, 87, 81, 75, 68, 62, 56, 50, 43, 37, 31,
+			  25, 18, 12, 6, 0, -6, -12, -18, -25, -31, -37, -43, -50, -56,
+			  -62, -68, -75, -81, -87, -93, -99, -106, -112, -118, -124, -130,
+			  -136, -142, -148, -154, -160, -166, -172, -178, -184, -190, -195,
+			  -201, -207, -213, -218, -224, -230, -235, -241, -246, -252, -257,
+			  -263, -268, -273, -279, -284, -289, -294, -299, -304, -310, -314,
+			  -319, -324, -329, -334, -339, -343, -348, -353, -357, -362, -366,
+			  -370, -375, -379, -383, -387, -391, -395, -399, -403, -407, -411,
+			  -414, -418, -422, -425, -429, -432, -435, -439, -442, -445, -448,
+			  -451, -454, -457, -460, -462, -465, -468, -470, -473, -475, -477,
+			  -479, -482, -484, -486, -488, -489, -491, -493, -495, -496, -498,
+			  -499, -500, -502, -503, -504, -505, -506, -507, -508, -508, -509,
+			  -510, -510, -511, -511, -511, -511, -511, -512, -511, -511, -511,
+			  -511, -511, -510, -510, -509, -508, -508, -507, -506, -505, -504,
+			  -503, -502, -500, -499, -498, -496, -495, -493, -491, -489, -488,
+			  -486, -484, -482, -479, -477, -475, -473, -470, -468, -465, -462,
+			  -460, -457, -454, -451, -448, -445, -442, -439, -435, -432, -429,
+			  -425, -422, -418, -414, -411, -407, -403, -399, -395, -391, -387,
+			  -383, -379, -375, -370, -366, -362, -357, -353, -348, -343, -339,
+			  -334, -329, -324, -319, -314, -310, -304, -299, -294, -289, -284,
+			  -279, -273, -268, -263, -257, -252, -246, -241, -235, -230, -224,
+			  -218, -213, -207, -201, -195, -190, -184, -178, -172, -166, -160,
+			  -154, -148, -142, -136, -130, -124, -118, -112, -106, -99, -93,
+			  -87, -81, -75, -68, -62, -56, -50, -43, -37, -31, -25, -18, -12,
+			  -6, 0, 6, 12, 18, 25, 31, 37, 43, 50, 56, 62, 68, 75, 81, 87, 93,
+			  99, 106, 112, 118, 124, 130, 136, 142, 148, 154, 160, 166, 172,
+			  178, 184, 190, 195, 201, 207, 213, 218, 224, 230, 235, 241, 246,
+			  252, 257, 263, 268, 273, 279, 284, 289, 294, 299, 304, 310, 314,
+			  319, 324, 329, 334, 339, 343, 348, 353, 357, 362, 366, 370, 375,
+			  379, 383, 387, 391, 395, 399, 403, 407, 411, 414, 418, 422, 425,
+			  429, 432, 435, 439, 442, 445, 448, 451, 454, 457, 460, 462, 465,
+			  468, 470, 473, 475, 477, 479, 482, 484, 486, 488, 489, 491, 493,
+			  495, 496, 498, 499, 500, 502, 503, 504, 505, 506, 507, 508, 508,
+			  509, 510, 510, 511, 511, 511, 511, 511
+};
+
+
+// Nothing in this demo goes over 255.
+typedef struct lineS {
+	byte x1;
+	byte y1;
+	byte x2;
+	byte y2;
+} lineT;
+
+
+const int16_t edges[] = {
+	0, 1,  1, 3,  3, 2,  2, 0,
+	1, 5,  0, 4,  2, 6,  3, 7,
+	4, 5,  5, 7,  7, 6,  6, 4
+};
+
+const int32_t cubeX[] = {
+	TO_FIX(-1), TO_FIX(-1), TO_FIX( 1), TO_FIX( 1),
+	TO_FIX(-1), TO_FIX(-1), TO_FIX( 1), TO_FIX( 1)
+};
+
+const int32_t cubeY[] = {
+	TO_FIX(-1), TO_FIX( 1), TO_FIX(-1), TO_FIX( 1),
+	TO_FIX(-1), TO_FIX( 1), TO_FIX(-1), TO_FIX( 1)
+};
+
+const int32_t cubeZ[] = {
+	TO_FIX(-1), TO_FIX(-1), TO_FIX(-1), TO_FIX(-1),
+	TO_FIX( 1), TO_FIX( 1), TO_FIX( 1), TO_FIX( 1)
+};
+
+const int16_t *COS = SIN + COS_OFF;
+
+const char *thinking = "|/-\\";
+
+
+uint16_t widthOffset;
+uint16_t heightOffset;
+int32_t  a     = TO_FIX(4);
+int32_t  scale = TO_FIX(40);
+lineT    line[12][256];
+int32_t  cubeRotX[8];
+int32_t  cubeRotY[8];
+int32_t  cubeRotZ[8];
+int32_t  tempY;
+int32_t  tempZ;
+int32_t  cubeProjX[8];
+int32_t  cubeProjY[8];
+int16_t  i;
+byte     l;
+int16_t  t;
+byte     p;
+char     c[2] = { 0, 0 };
+
+
+int main(void) {
+
+	f256Init();
+
+	textSetCursor(0);  // No cursor.
+	textSetColor(15, 0);
+
+	// Clear two graphics pages.
+	bitmapSetColor(0);
+	bitmapSetActive(0);
+	bitmapClear();
+	bitmapSetActive(1);
+	bitmapClear();
+
+	bitmapGetResolution(&widthOffset, &heightOffset);
+	widthOffset  = widthOffset >> 1;
+	heightOffset = heightOffset >> 1;
+
+	textGotoXY(0, 0);
+	textPrint("Thinking!");
+
+	// Pre-calc
+	p = 0;
+	for (t=0; t<256; t++) {
+		for (i=0; i<8; ++i) {
+			// Thinking!
+			c[0] = thinking[p++];
+			if (p > 3) p = 0;
+			textGotoXY(11, 0);
+			textPrint(c);
+			// Rotation around Y
+			cubeRotX[i] = fix_mul(cubeX[i], COS[t % SIN_SIZE]) + fix_mul(cubeZ[i], SIN[t % SIN_SIZE]);
+			cubeRotY[i] = cubeY[i];
+			cubeRotZ[i] = -fix_mul(cubeX[i], SIN[t % SIN_SIZE]) + fix_mul(cubeZ[i], COS[t % SIN_SIZE]);
+			// Rotation around X
+			tempY = fix_mul(cubeRotY[i], COS[t % SIN_SIZE]) - fix_mul(cubeRotZ[i], SIN[t % SIN_SIZE]);
+			tempZ = fix_mul(cubeRotY[i], SIN[t % SIN_SIZE]) + fix_mul(cubeRotZ[i], COS[t % SIN_SIZE]);
+			cubeRotY[i] = tempY;
+			cubeRotZ[i] = tempZ;
+			// Translate further away
+			cubeRotZ[i] += TO_FIX(4);
+			// Projection to screen space
+			cubeProjX[i] = fix_div(fix_mul(a, cubeRotX[i]), cubeRotZ[i]);
+			cubeProjY[i] = fix_div(fix_mul(a, cubeRotY[i]), cubeRotZ[i]);
+			cubeProjX[i] = TO_LONG(fix_mul(cubeProjX[i], scale)) + widthOffset;
+			cubeProjY[i] = TO_LONG(fix_mul(cubeProjY[i], scale)) + heightOffset;
+		}
+		l = 0;
+		for (i=0; i<24; i += 2) {
+			line[l][t].x1 = cubeProjX[edges[i]];
+			line[l][t].y1 = cubeProjY[edges[i]];
+			line[l][t].x2 = cubeProjX[edges[i + 1]];
+			line[l][t].y2 = cubeProjY[edges[i + 1]];
+			l++;
+		}
+	}
+
+	textClear();
+
+	p = 2;
+	l = 0;
+	t = 0;
+	while(1) {
+		if (t) {
+			t = 0;
+			bitmapSetActive(1);
+			bitmapSetVisible(0, true);
+			bitmapSetVisible(1, false);
+		} else {
+			t = 1;
+			bitmapSetActive(0);
+			bitmapSetVisible(0, false);
+			bitmapSetVisible(1, true);
+		}
+		bitmapSetColor(0);
+		for (i=0; i<12; i++) bitmapLine(line[i][l].x1, line[i][l].y1, line[i][l].x2, line[i][l].y2);
+		bitmapSetColor(255);
+		for (i=0; i<12; i++) bitmapLine(line[i][p].x1, line[i][p].y1, line[i][p].x2, line[i][p].y2);
+		l++;
+		p++;
+	}
+
+	return 0;
+}
diff --git a/examples/cube-pre/foenixmgr.ini b/examples/cube-pre/foenixmgr.ini
new file mode 100644
index 0000000..c6ab319
--- /dev/null
+++ b/examples/cube-pre/foenixmgr.ini
@@ -0,0 +1,7 @@
+[DEFAULT]
+port=/dev/ttyUSB1
+labels=sample.lbl
+flash_address=380000
+chunk_size=1024
+cpu=65c02
+data_rate=6000000
\ No newline at end of file
diff --git a/examples/cube-pre/run.sh b/examples/cube-pre/run.sh
new file mode 100755
index 0000000..6dcf5ea
--- /dev/null
+++ b/examples/cube-pre/run.sh
@@ -0,0 +1,26 @@
+#!/bin/bash
+
+#
+#	Copyright (c) 2024 Scott Duensing, scott@kangaroopunch.com
+#
+#	Permission is hereby granted, free of charge, to any person obtaining a copy
+#	of this software and associated documentation files (the "Software"), to deal
+#	in the Software without restriction, including without limitation the rights
+#	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#	copies of the Software, and to permit persons to whom the Software is
+#	furnished to do so, subject to the following conditions:
+#
+#	The above copyright notice and this permission notice shall be included in
+#	all copies or substantial portions of the Software.
+#
+#	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+#	SOFTWARE.
+#
+
+
+python ../../FoenixMgr/FoenixMgr/fnxmgr.py --run-pgz cube-pre.pgz
diff --git a/examples/cube-pre/sin.c b/examples/cube-pre/sin.c
new file mode 100644
index 0000000..d547dc6
--- /dev/null
+++ b/examples/cube-pre/sin.c
@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <math.h>
+#include <stdint.h>
+
+#define FIX_PREC 9
+#define TO_FIX(x) ((int32_t)((x)*(1<<FIX_PREC)))
+
+#define SIN_SIZE 512
+#define COS_OFF 128
+
+
+int main(void) {
+	int i;
+	double v;
+	for(i = 0; i < SIN_SIZE + COS_OFF; ++i) {
+		v = sin(2.0 * M_PI * i / (double)SIN_SIZE);
+		printf("%d, ", TO_FIX( v ));
+	}
+	printf("\n");
+	return 0;
+}
+