69 files changed, 3342 insertions, 0 deletions

diff --git a/c/bfhello/Makefile b/c/bfhello/Makefile
new file mode 100644
index 0000000..fa163ed
--- /dev/null
+++ b/c/bfhello/Makefile
@@ -0,0 +1,20 @@
+all: bfhello.hex
+
+bfhello.o: bfhello.c
+	clang -target riscv32-none-elf -I../rvcontroller-libraries -march=rv32imacb_zicntr_zicond_zicsr_zifencei_zihintpause_zilsd_zclsd_zabha_zacas_zbkb_zbkx_zcb_zcmp_zcmt -ffreestanding -O3 -c -o bfhello.o bfhello.c
+
+bfhello.elf: ../rvcontroller-libraries/rvcontroller-init.o ../rvcontroller-libraries/rvcontroller-ecalls.o bfhello.o
+	riscv32-none-elf-ld -T rvcontroller.ld --no-warn-rwx-segments -o bfhello.elf ../rvcontroller-libraries/rvcontroller-init.o bfhello.o ../rvcontroller-libraries/rvcontroller-ecalls.o
+
+dump: bfhello.elf
+	riscv32-none-elf-objdump -d bfhello.elf
+
+bfhello.hex: bfhello.elf
+	riscv32-none-elf-objcopy -O ihex bfhello.elf bfhello.hex
+
+load: bfhello.hex
+	bash -c "wl-copy < bfhello.hex"
+
+clean:
+	rm -f bfhello.bin bfhello.elf bfhello.o init.o
+
diff --git a/c/bfhello/bfhello.b b/c/bfhello/bfhello.b
new file mode 100644
index 0000000..8e5e5a6
--- /dev/null
+++ b/c/bfhello/bfhello.b
@@ -0,0 +1 @@
+++++++++[>+++++++++<-]>.+++++++++++++++++++++++++++++.+++++++..+++.>++++[>++++++++<-]>.>+++++[<+++++++++++>-]<.>++++[<++++++>-]<.+++.------.--------.>+++[>+++++++++++<-]>.>++++++++++. 
diff --git a/c/bfhello/bfhello.c b/c/bfhello/bfhello.c
new file mode 100644
index 0000000..95d2209
--- /dev/null
+++ b/c/bfhello/bfhello.c
@@ -0,0 +1,91 @@
+/* This is a translation of bfhello.b, generated by bftoc.py (by Paul Kaefer)
+ * It was generated on Sunday, May 17, 2026 at 12:17AM
+ */
+
+#include "rvcontroller-ecalls.h"
+
+void main(void)
+{
+    int size = 1000;
+    int tape[size];
+    int i = 0;
+
+    /* Clearing the tape (array) */
+    for (i=0; i<size; i++)
+        tape[i] = 0;
+
+    int ptr = 0;
+
+    tape[ptr] += 8;
+    while (tape[ptr] != 0)
+    {
+        ptr += 1;
+        tape[ptr] += 9;
+        ptr -= 1;
+        tape[ptr] -= 1;
+    }
+    ptr += 1;
+    printchar(tape[ptr]);
+    tape[ptr] += 29;
+    printchar(tape[ptr]);
+    tape[ptr] += 7;
+    printchar(tape[ptr]);
+    printchar(tape[ptr]);
+    tape[ptr] += 3;
+    printchar(tape[ptr]);
+    ptr += 1;
+    tape[ptr] += 4;
+    while (tape[ptr] != 0)
+    {
+        ptr += 1;
+        tape[ptr] += 8;
+        ptr -= 1;
+        tape[ptr] -= 1;
+    }
+    ptr += 1;
+    printchar(tape[ptr]);
+    ptr += 1;
+    tape[ptr] += 5;
+    while (tape[ptr] != 0)
+    {
+        ptr -= 1;
+        tape[ptr] += 11;
+        ptr += 1;
+        tape[ptr] -= 1;
+    }
+    ptr -= 1;
+    printchar(tape[ptr]);
+    ptr += 1;
+    tape[ptr] += 4;
+    while (tape[ptr] != 0)
+    {
+        ptr -= 1;
+        tape[ptr] += 6;
+        ptr += 1;
+        tape[ptr] -= 1;
+    }
+    ptr -= 1;
+    printchar(tape[ptr]);
+    tape[ptr] += 3;
+    printchar(tape[ptr]);
+    tape[ptr] -= 6;
+    printchar(tape[ptr]);
+    tape[ptr] -= 8;
+    printchar(tape[ptr]);
+    ptr += 1;
+    tape[ptr] += 3;
+    while (tape[ptr] != 0)
+    {
+        ptr += 1;
+        tape[ptr] += 11;
+        ptr -= 1;
+        tape[ptr] -= 1;
+    }
+    ptr += 1;
+    printchar(tape[ptr]);
+    ptr += 1;
+    tape[ptr] += 10;
+    printchar(tape[ptr]);
+    return;
+}
+
diff --git a/c/bfhello/bfhello.elf b/c/bfhello/bfhello.elf
new file mode 100755
index 0000000..fea2048
--- /dev/null
+++ b/c/bfhello/bfhello.elf
diff --git a/c/bfhello/bfhello.hex b/c/bfhello/bfhello.hex
new file mode 100644
index 0000000..c21b4ac
--- /dev/null
+++ b/c/bfhello/bfhello.hex
@@ -0,0 +1,27 @@
+:10000000370101002920A9487300000082804EB802

+:10001000130101801301018805650A95233485FACF

+:1000200028009305F57F9385157A23200500110597

+:10003000E31DB5FE2245B245130685003365A520B4

+:100040002E9513058504B3F5C50E3355C50EB3E4DF

+:10005000A50013F5F40FC1201385D401619D652817

+:1000600013844402619C22857D2022856D201385A6

+:100070007402619D4D204245D2451306450033650B

+:10008000B52013050502B3F5C50E3355C50E33E48F

+:10009000A5001375F40F41206245930555003346C2

+:1000A000A5203325A6202295130575033376B40EBB

+:1000B0003355B50E3364A6001375F40FA928130544

+:1000C0008401619D89281305B401619DA920130550

+:1000D0005401619D89201305D400619D2D2803459D

+:1000E000C10113051502619D3D200345010229054B

+:1000F000619D85658A9503B485FA1301017F13011B

+:1001000001794EBA09A885487300000082809148A1

+:10011000730000008280AD48730000008280930865

+:1001200010087300000082809308500873000000DC

+:10013000828093087008730000008280732510C0CD

+:100140008280732500C082809308600873000000DD

+:1001500082800589F322008093920248B3E2A200D4

+:10016000739002808280954873000000828093081B

+:100170000008730000008280A148730000008280A4

+:1001800093083008730000008280930840087300D1

+:040190000000828069

+:00000001FF

diff --git a/c/bfhello/bfhello.o b/c/bfhello/bfhello.o
new file mode 100644
index 0000000..c206039
--- /dev/null
+++ b/c/bfhello/bfhello.o
diff --git a/c/bfhello/rvcontroller.ld b/c/bfhello/rvcontroller.ld
new file mode 100644
index 0000000..985892b
--- /dev/null
+++ b/c/bfhello/rvcontroller.ld
@@ -0,0 +1,45 @@
+/* Thanks https://github.com/darklife/darkriscv */
+  __heap_size    = 0x200;  /* required amount of heap */
+  __stack_size  = 0x800;  /* required amount of stack */
+  ENTRY(_start);
+  MEMORY
+  {
+    RAM (rwx) : ORIGIN = 0x00000000, LENGTH = 0x10000
+  }
+  SECTIONS
+  {
+    .text :
+    {
+      *(.text.startup)
+      *(.text)
+      *(.text)
+      *(.rodata*)
+    } > RAM
+    .data :
+    {
+      *(.sbss)
+      *(.data)
+      *(.bss)
+      *(.rela*)
+      *(COMMON)
+    } > RAM
+
+    .heap :
+    {
+      . = ALIGN(4);
+      PROVIDE ( end = . );
+      _sheap = .;
+      . = . + __heap_size;
+      . = ALIGN(4);
+      _eheap = .;
+    } >RAM
+
+    .stack :
+    {
+      . = ALIGN(4);
+      _estack = .;
+      . = . + __stack_size;
+      . = ALIGN(4);
+      _sstack = .;
+    } >RAM
+  }
diff --git a/c/bigfib/Makefile b/c/bigfib/Makefile
new file mode 100644
index 0000000..6eb4ffc
--- /dev/null
+++ b/c/bigfib/Makefile
@@ -0,0 +1,20 @@
+all: bigfib.hex
+
+bigfib.o: bigfib.c
+	clang -target riscv32-none-elf -I../rvcontroller-libraries -march=rv32imacb_zicntr_zicond_zicsr_zifencei_zihintpause_zilsd_zclsd_zabha_zacas_zbkb_zbkx_zcb_zcmp_zcmt -ffreestanding -O3 -c -o bigfib.o bigfib.c
+
+bigfib.elf: ../rvcontroller-libraries/rvcontroller-init.o ../rvcontroller-libraries/rvcontroller-ecalls.o bigfib.o
+	riscv32-none-elf-ld -T rvcontroller.ld --no-warn-rwx-segments -o bigfib.elf ../rvcontroller-libraries/rvcontroller-init.o bigfib.o ../rvcontroller-libraries/rvcontroller-ecalls.o
+
+dump: bigfib.elf
+	riscv32-none-elf-objdump -d bigfib.elf
+
+bigfib.hex: bigfib.elf
+	riscv32-none-elf-objcopy -O ihex bigfib.elf bigfib.hex
+
+load: bigfib.hex
+	bash -c "wl-copy < bigfib.hex"
+
+clean:
+	rm -f bigfib.bin bigfib.elf bigfib.o init.o
+
diff --git a/c/bigfib/bigfib.c b/c/bigfib/bigfib.c
new file mode 100644
index 0000000..063c27e
--- /dev/null
+++ b/c/bigfib/bigfib.c
@@ -0,0 +1,23 @@
+/* Fibonacci Sequence for RVController
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+#include <stdint.h>
+#include "rvcontroller-ecalls.h"
+
+uint64_t prev = 0;
+uint64_t oldprev = 0;
+uint64_t curr = 1;
+
+void main(void) {
+	while ((curr & 0x800000000000000) == 0 ) {
+		printstr("\nH ");
+		printint(curr/(1LL << 32));
+		printstr("\nL ");
+		printint(curr%(1LL << 32));
+		oldprev = prev;
+		prev = curr;
+		curr = prev + oldprev;
+	}
+}
diff --git a/c/bigfib/bigfib.elf b/c/bigfib/bigfib.elf
new file mode 100755
index 0000000..2fcdf75
--- /dev/null
+++ b/c/bigfib/bigfib.elf
diff --git a/c/bigfib/bigfib.hex b/c/bigfib/bigfib.hex
new file mode 100644
index 0000000..b13c263
--- /dev/null
+++ b/c/bigfib/bigfib.hex
@@ -0,0 +1,19 @@
+:10000000370101002920A94873000000828096B8BA

+:1000100022E44AE003457010218939E1B70900085C

+:100020001309400F130A800F930480104A85812022

+:10003000032540100D2852851D280325001025207A

+:1000400003350010906088E090E4B6952A96333529

+:10005000A600B386A50033F536012330C01079D54C

+:100060002264026996BE8548730000008280914830

+:10007000730000008280AD48730000008280930806

+:10008000100873000000828093085008730000007D

+:10009000828093087008730000008280732510C06E

+:1000A0008280732500C0828093086008730000007E

+:1000B00082800589F322008093920248B3E2A20075

+:1000C00073900280828095487300000082809308BC

+:1000D0000008730000008280A14873000000828045

+:1000E0009308300873000000828093084008730072

+:0C00F000000082800A4820000A4C20001A

+:1001000001000000000000000000000000000000EE

+:080110000000000000000000E7

+:00000001FF

diff --git a/c/bigfib/bigfib.o b/c/bigfib/bigfib.o
new file mode 100644
index 0000000..32d9e29
--- /dev/null
+++ b/c/bigfib/bigfib.o
diff --git a/c/bigfib/rvcontroller.ld b/c/bigfib/rvcontroller.ld
new file mode 100644
index 0000000..985892b
--- /dev/null
+++ b/c/bigfib/rvcontroller.ld
@@ -0,0 +1,45 @@
+/* Thanks https://github.com/darklife/darkriscv */
+  __heap_size    = 0x200;  /* required amount of heap */
+  __stack_size  = 0x800;  /* required amount of stack */
+  ENTRY(_start);
+  MEMORY
+  {
+    RAM (rwx) : ORIGIN = 0x00000000, LENGTH = 0x10000
+  }
+  SECTIONS
+  {
+    .text :
+    {
+      *(.text.startup)
+      *(.text)
+      *(.text)
+      *(.rodata*)
+    } > RAM
+    .data :
+    {
+      *(.sbss)
+      *(.data)
+      *(.bss)
+      *(.rela*)
+      *(COMMON)
+    } > RAM
+
+    .heap :
+    {
+      . = ALIGN(4);
+      PROVIDE ( end = . );
+      _sheap = .;
+      . = . + __heap_size;
+      . = ALIGN(4);
+      _eheap = .;
+    } >RAM
+
+    .stack :
+    {
+      . = ALIGN(4);
+      _estack = .;
+      . = . + __stack_size;
+      . = ALIGN(4);
+      _sstack = .;
+    } >RAM
+  }
diff --git a/c/drawercalc/Makefile b/c/drawercalc/Makefile
new file mode 100644
index 0000000..52f47d1
--- /dev/null
+++ b/c/drawercalc/Makefile
@@ -0,0 +1,20 @@
+all: drawercalc.hex
+
+drawercalc.o: drawercalc.c
+	clang -target riscv32-none-elf -I../rvcontroller-libraries -march=rv32imacb_zicntr_zicond_zicsr_zifencei_zihintpause_zilsd_zclsd_zabha_zacas_zbkb_zbkx_zcb_zcmp_zcmt -ffreestanding -O3 -c -o drawercalc.o drawercalc.c
+
+drawercalc.elf: ../rvcontroller-libraries/rvcontroller-init.o ../rvcontroller-libraries/rvcontroller-ecalls.o drawercalc.o
+	riscv32-none-elf-ld -T rvcontroller.ld --no-warn-rwx-segments -o drawercalc.elf ../rvcontroller-libraries/rvcontroller-init.o drawercalc.o ../rvcontroller-libraries/rvcontroller-ecalls.o
+
+dump: drawercalc.elf
+	riscv32-none-elf-objdump -d drawercalc.elf
+
+drawercalc.hex: drawercalc.elf
+	riscv32-none-elf-objcopy -O ihex drawercalc.elf drawercalc.hex
+
+load: drawercalc.hex
+	bash -c "wl-copy < drawercalc.hex"
+
+clean:
+	rm -f drawercalc.bin drawercalc.elf drawercalc.o init.o
+
diff --git a/c/drawercalc/drawercalc.c b/c/drawercalc/drawercalc.c
new file mode 100644
index 0000000..1d2de03
--- /dev/null
+++ b/c/drawercalc/drawercalc.c
@@ -0,0 +1,129 @@
+/* Drawer Capacity Calculator for RVController
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "rvcontroller-ecalls.h"
+
+#define BASE_SLOTS 32
+#define STACK_MAX 99
+#define STEEL_UPGRADE_MULT 1
+#define GOLD_UPGRADE_MULT 2
+#define OBSIDIAN_UPGRADE_MULT 3
+#define DIAMOND_UPGRADE_MULT 7
+#define MITHRIL_UPGRADE_MULT 12
+
+bool checkUpgradeCount(int32_t count,int32_t maxcount) {
+	return (count >= 0 && count <= maxcount);
+}
+
+void main(void) {
+	while (true) {
+		int32_t capacity = BASE_SLOTS * STACK_MAX;
+		uint8_t upgrades_used = 0;
+		printstr("\n\n\nSettings:\n");
+		printstr("Base Stack Count: ");
+		printint(BASE_SLOTS);
+		printstr("\nMax Stack Size: ");
+		printint(STACK_MAX);
+		printchar('\n');
+
+		int32_t upgcount = 0;
+		while (true) {
+			printstr("\nSteel Upgrades?\n[0-5] > ");
+			upgcount = readint();
+			printint(upgcount);
+			printchar('\n');
+			if (checkUpgradeCount(upgcount,5)) {
+				break;
+			} else {
+				printstr("Invalid entry");
+			}
+		}
+		upgrades_used += upgcount;
+		capacity += BASE_SLOTS * STACK_MAX * STEEL_UPGRADE_MULT * upgcount;
+
+		if (upgrades_used < 5) {
+			while (true) {
+				printstr("\nGold Upgrades?\n[0-");
+				printint(5-upgrades_used);
+				printstr("] > ");
+				upgcount = readint();
+				printint(upgcount);
+				printchar('\n');
+				if (checkUpgradeCount(upgcount,5-upgrades_used)) {
+					break;
+				} else {
+					printstr("Invalid entry");
+				}
+			}
+			upgrades_used += upgcount;
+			capacity += BASE_SLOTS * STACK_MAX * GOLD_UPGRADE_MULT * upgcount;
+		}
+
+		if (upgrades_used < 5) {
+			while (true) {
+				printstr("\nObsidian Upgrades?\n[0-");
+				printint(5-upgrades_used);
+				printstr("] > ");
+				upgcount = readint();
+				printint(upgcount);
+				printchar('\n');
+				if (checkUpgradeCount(upgcount,5-upgrades_used)) {
+					break;
+				} else {
+					printstr("Invalid entry");
+				}
+			}
+			upgrades_used += upgcount;
+			capacity += BASE_SLOTS * STACK_MAX * OBSIDIAN_UPGRADE_MULT * upgcount;
+		}
+
+		if (upgrades_used < 5) {
+			while (true) {
+				printstr("\nDiamond Upgrades?\n[0-");
+				printint(5-upgrades_used);
+				printstr("] > ");
+				upgcount = readint();
+				printint(upgcount);
+				printchar('\n');
+				if (checkUpgradeCount(upgcount,5-upgrades_used)) {
+					break;
+				} else {
+					printstr("Invalid entry");
+				}
+			}
+			upgrades_used += upgcount;
+			capacity += BASE_SLOTS * STACK_MAX * DIAMOND_UPGRADE_MULT * upgcount;
+		}
+
+		if (upgrades_used < 5) {
+			while (true) {
+				printstr("\nMithril Upgrades?\n[0-");
+				printint(5-upgrades_used);
+				printstr("] > ");
+				upgcount = readint();
+				printint(upgcount);
+				printchar('\n');
+				if (checkUpgradeCount(upgcount,5-upgrades_used)) {
+					break;
+				} else {
+					printstr("Invalid entry");
+				}
+			}
+			upgrades_used += upgcount;
+			capacity += BASE_SLOTS * STACK_MAX * MITHRIL_UPGRADE_MULT * upgcount;
+		}
+
+		printstr("\n1 slot: ");
+		printint(capacity);
+		printstr("\n2 slots: ");
+		printint(capacity/2);
+		printstr("\n4 slots: ");
+		printint(capacity/4);
+		printstr("\nPress 0 to run again\n");
+		upgcount = readint();
+	}
+}
diff --git a/c/drawercalc/drawercalc.elf b/c/drawercalc/drawercalc.elf
new file mode 100755
index 0000000..be34b55
--- /dev/null
+++ b/c/drawercalc/drawercalc.elf
diff --git a/c/drawercalc/drawercalc.hex b/c/drawercalc/drawercalc.hex
new file mode 100644
index 0000000..b66fc63
--- /dev/null
+++ b/c/drawercalc/drawercalc.hex
@@ -0,0 +1,56 @@
+:10000000370101002928A948730000008280135697

+:10001000F50133A5A500518D1345150082804EB81A

+:100020000111A2E4CAE052FC5AF862F46AF00565D4

+:100030001309C0279304A0281304D029930BF02A96

+:10004000194B9549930C702D130D402C130C902CCB

+:100050008965930DB02E1566A566130505C62ACED3

+:100060001385058C2ACC138505522ACA1305066A06

+:100070002AC8138506482AC63DA83245419D2A9ABA

+:100080005A899304A0281304D029194B130510335F

+:100090009D225285A92A1305B033B12A13551A009F

+:1000A000B92213056034812A13552A0089221305C9

+:1000B00010359122692A4A853D2A26852D2A130565

+:1000C000000235222285052A130530060D22294516

+:1000D0003D225E850D22A52AAA8A112A29450522DC

+:1000E00063ED6A016285012A5E8531228D22AA8A2A

+:1000F000FD2829452922E3E759FF7245338AAA02E0

+:100100002A9AE3853AF96685FD20338B59415A8551

+:10011000F9286A85CD20252AAA84D1282945C52019

+:1001200063779B006285C1286685F120CDB7A69ACA

+:100130006245459D2A9A1145E36555F54A8B6E85C2

+:100140005D28B384594126855D206A856D20012292

+:100150002A847128294565201309303063F184020F

+:10016000628551286E854128268551206A85612047

+:10017000F9282A84AD2829455920E3E384FEA29A70

+:100180005245419D2A9A1145E36C55EF4A85A520B9

+:10019000B38459412685A1286A85B1284D282A842F

+:1001A000B9202945A92863F784006285A9204A85DA

+:1001B0009920CDB7A29A4245419D2A9A1145E36103

+:1001C00055ED1309A0314A853D20B3845941268558

+:1001D00039286A850D20A5282A841128294505205B

+:1001E000E3FD84E8628501284A853120CDB7854842

+:1001F0007300000082809148730000008280AD4847

+:100200007300000082809308100873000000828051

+:1002100093085008730000008280930870087300F0

+:1002200000008280732510C08280732500C0828008

+:10023000930860087300000082800589F322008023

+:1002400093920248B3E2A2007390028082809548A4

+:100250007300000082809308000873000000828011

+:10026000A1487300000082809308300873000000EA

+:100270008280930840087300000082800A0A0A53B3

+:10028000657474696E67733A0A004261736520533E

+:100290007461636B20436F756E743A20000A4D6180

+:1002A0007820537461636B2053697A653A20000AA1

+:1002B000537465656C2055706772616465733F0A9D

+:1002C0005B302D355D203E2000496E76616C69649F

+:1002D00020656E747279000A476F6C6420557067F0

+:1002E00072616465733F0A5B302D000A4F62736967

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+:10030000302D000A4469616D6F6E6420557067720C

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diff --git a/c/drawercalc/drawercalc.o b/c/drawercalc/drawercalc.o
new file mode 100644
index 0000000..fac534a
--- /dev/null
+++ b/c/drawercalc/drawercalc.o
diff --git a/c/drawercalc/rvcontroller.ld b/c/drawercalc/rvcontroller.ld
new file mode 100644
index 0000000..985892b
--- /dev/null
+++ b/c/drawercalc/rvcontroller.ld
@@ -0,0 +1,45 @@
+/* Thanks https://github.com/darklife/darkriscv */
+  __heap_size    = 0x200;  /* required amount of heap */
+  __stack_size  = 0x800;  /* required amount of stack */
+  ENTRY(_start);
+  MEMORY
+  {
+    RAM (rwx) : ORIGIN = 0x00000000, LENGTH = 0x10000
+  }
+  SECTIONS
+  {
+    .text :
+    {
+      *(.text.startup)
+      *(.text)
+      *(.text)
+      *(.rodata*)
+    } > RAM
+    .data :
+    {
+      *(.sbss)
+      *(.data)
+      *(.bss)
+      *(.rela*)
+      *(COMMON)
+    } > RAM
+
+    .heap :
+    {
+      . = ALIGN(4);
+      PROVIDE ( end = . );
+      _sheap = .;
+      . = . + __heap_size;
+      . = ALIGN(4);
+      _eheap = .;
+    } >RAM
+
+    .stack :
+    {
+      . = ALIGN(4);
+      _estack = .;
+      . = . + __stack_size;
+      . = ALIGN(4);
+      _sstack = .;
+    } >RAM
+  }
diff --git a/c/elevator/Makefile b/c/elevator/Makefile
new file mode 100644
index 0000000..875cd3b
--- /dev/null
+++ b/c/elevator/Makefile
@@ -0,0 +1,20 @@
+all: elevator.hex
+
+elevator.o: elevator.c
+	clang -target riscv32-none-elf -I../rvcontroller-libraries -march=rv32imacb_zicntr_zicond_zicsr_zifencei_zihintpause_zilsd_zclsd_zabha_zacas_zbkb_zbkx_zcb_zcmp_zcmt -ffreestanding -O3 -c -o elevator.o elevator.c
+
+elevator.elf: ../rvcontroller-libraries/rvcontroller-init.o ../rvcontroller-libraries/rvcontroller-ecalls.o elevator.o
+	riscv32-none-elf-ld -T rvcontroller.ld --no-warn-rwx-segments -o elevator.elf ../rvcontroller-libraries/rvcontroller-init.o elevator.o ../rvcontroller-libraries/rvcontroller-ecalls.o
+
+dump: elevator.elf
+	riscv32-none-elf-objdump -d elevator.elf
+
+elevator.hex: elevator.elf
+	riscv32-none-elf-objcopy -O ihex elevator.elf elevator.hex
+
+load: elevator.hex
+	bash -c "wl-copy < elevator.hex"
+
+clean:
+	rm -f elevator.bin elevator.elf elevator.o init.o
+
diff --git a/c/elevator/elevator.c b/c/elevator/elevator.c
new file mode 100644
index 0000000..845a57e
--- /dev/null
+++ b/c/elevator/elevator.c
@@ -0,0 +1,230 @@
+/* Conway's Game of Life for RVController
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "rvcontroller-ecalls.h"
+#include "states.h"
+
+int state = STATE_INIT;
+bool sensor1state = false;
+bool sensor2state = false;
+bool sensor3state = false;
+bool call1state = false;
+bool call2state = false;
+bool call3state = false;
+int direction = DIRECTION_UP;
+int timer;
+
+char channelbuf[16];
+char msgbuf[64];
+
+bool streq(char *a, char *b) {
+	for (int i=0;a[i] != 0 || b[i] != 0;i++) {
+		if (a[i] != b[i]) {
+			return false;
+		}
+	}
+	return true;
+}
+
+void sleep(uint32_t delay) {
+	//This will start having problems after about 130 years
+	//of uptime, but that's probably acceptable
+	uint32_t endtime = rdtime() + delay;
+	while (rdtime() < endtime) {}
+	return;
+}
+
+void sendSensorGetMessages(void) {
+	digiline_send("sensor1","GET");
+	digiline_send("sensor2","GET");
+	digiline_send("sensor3","GET");
+}
+
+void processDigilinesMessages(void) {
+	while (digiline_bufferlevel() > 0) {
+		digiline_receive(channelbuf,16,msgbuf,64);
+		if (streq(channelbuf,"sensor1")) {
+			sensor1state = (streq(msgbuf,"mesecons_movestones:movestone_vertical"));
+		} else if (streq(channelbuf,"sensor2")) {
+			sensor2state = (streq(msgbuf,"mesecons_movestones:movestone_vertical"));
+		} else if (streq(channelbuf,"sensor3")) {
+			sensor3state = (streq(msgbuf,"mesecons_movestones:movestone_vertical"));
+		} else if (streq(channelbuf,"button1") && (state != STATE_TIMING_1) && (state != STATE_IDLE_1)) {
+			call1state = true;
+			digiline_send("button1","light_on");
+		} else if (streq(channelbuf,"button2") && (state != STATE_TIMING_2) && (state != STATE_IDLE_2)) {
+			call2state = true;
+			digiline_send("button2","light_on");
+		} else if (streq(channelbuf,"button3") && (state != STATE_TIMING_3) && (state != STATE_IDLE_3)) {
+			call3state = true;
+			digiline_send("button3","light_on");
+		}
+	}
+}
+
+void main(void) {
+	while (true) {
+		sendSensorGetMessages();
+		processDigilinesMessages();
+		switch (state) {
+			case STATE_INIT:
+				printstr("\nElevator Controller\nfor RVController\nInitializing");
+				digiline_send("door1","extend");
+				digiline_send("door2","extend");
+				digiline_send("door3","extend");
+				digiline_send("sel","extend");
+				digiline_send("down","extend");
+				digiline_send("up","retract_sticky");
+				digiline_send("button1","light_off");
+				digiline_send("button2","light_off");
+				digiline_send("button3","light_off");
+				printstr("\nBottom Floor Demand");
+				state = STATE_BOTTOM_FLOOR_DEMAND;
+				break;
+			case STATE_BOTTOM_FLOOR_DEMAND:
+				if (sensor1state) {
+					printstr("\nBFD Complete");
+					digiline_send("down","retract_sticky");
+					digiline_send("door1","retract_sticky");
+					state = STATE_TIMING_1;
+					timer = 5;
+				}
+				break;
+			case STATE_TIMING_1:
+				timer--;
+				if (timer <= 0) {
+					printstr("\nIdle at 1");
+					state = STATE_IDLE_1;
+				}
+				break;
+			case STATE_TIMING_2:
+				timer--;
+				if (timer <= 0) {
+					printstr("\nIdle at 2");
+					state = STATE_IDLE_2;
+				}
+				break;
+			case STATE_TIMING_3:
+				timer--;
+				if (timer <= 0) {
+					printstr("\nIdle at 3");
+					state = STATE_IDLE_3;
+				}
+				break;
+			case STATE_IDLE_1:
+				if (call2state) {
+					direction = DIRECTION_UP;
+					printstr("\nMoving to 2");
+					state = STATE_MOVING_2;
+					digiline_send("door1","extend");
+					digiline_send("sel","retract_sticky");
+					digiline_send("up","extend");
+				} else if (call3state) {
+					direction = DIRECTION_UP;
+					printstr("\nMoving to 3");
+					state = STATE_MOVING_3;
+					digiline_send("door1","extend");
+					digiline_send("sel","extend");
+					digiline_send("up","extend");
+				}
+				break;
+			case STATE_IDLE_2:
+				if (direction == DIRECTION_UP) {
+					if (call3state) {
+						direction = DIRECTION_UP;
+						printstr("\nMoving to 3");
+						state = STATE_MOVING_3;
+						digiline_send("door2","extend");
+						digiline_send("sel","extend");
+						digiline_send("up","extend");
+					} else if (call1state) {
+						direction = DIRECTION_DOWN;
+						printstr("\nMoving to 1");
+						state = STATE_MOVING_1;
+						digiline_send("door2","extend");
+						digiline_send("sel","extend");
+						digiline_send("down","extend");
+					}
+				} else {
+					if (call1state) {
+						direction = DIRECTION_DOWN;
+						printstr("\nMoving to 1");
+						state = STATE_MOVING_1;
+						digiline_send("door2","extend");
+						digiline_send("sel","extend");
+						digiline_send("down","extend");
+					} else if (call3state) {
+						direction = DIRECTION_UP;
+						printstr("\nMoving to 3");
+						state = STATE_MOVING_3;
+						digiline_send("door2","extend");
+						digiline_send("sel","extend");
+						digiline_send("up","extend");
+					}
+				}
+				break;
+			case STATE_IDLE_3:
+				if (call2state) {
+					direction = DIRECTION_DOWN;
+					printstr("\nMoving to 2");
+					state = STATE_MOVING_2;
+					digiline_send("door3","extend");
+					digiline_send("sel","retract_sticky");
+					digiline_send("down","extend");
+				} else if (call1state) {
+					direction = DIRECTION_DOWN;
+					printstr("\nMoving to 1");
+					state = STATE_MOVING_1;
+					digiline_send("door3","extend");
+					digiline_send("sel","extend");
+					digiline_send("down","extend");
+				}
+				break;
+			case STATE_MOVING_1:
+				if (sensor1state) {
+					printstr("\nArrived at 1");
+					digiline_send("button1","light_off");
+					direction = DIRECTION_UP;
+					digiline_send("down","retract_sticky");
+					digiline_send("door1","retract_sticky");
+					timer = 5;
+					state = STATE_TIMING_1;
+					call1state = false;
+				}
+				break;
+			case STATE_MOVING_2:
+				if (sensor2state) {
+					printstr("\nArrived at 2");
+					digiline_send("button2","light_off");
+					digiline_send("up","retract_sticky");
+					digiline_send("down","retract_sticky");
+					digiline_send("door2","retract_sticky");
+					timer = 5;
+					state = STATE_TIMING_2;
+					call2state = false;
+				}
+				break;
+			case STATE_MOVING_3:
+				if (sensor3state) {
+					printstr("\nArrived at 3");
+					digiline_send("button3","light_off");
+					direction = DIRECTION_DOWN;
+					digiline_send("up","retract_sticky");
+					digiline_send("door3","retract_sticky");
+					timer = 5;
+					state = STATE_TIMING_3;
+					call3state = false;
+				}
+				break;
+		}
+		if ((state == STATE_IDLE_1) || (state == STATE_IDLE_2) || (state == STATE_IDLE_3)) {
+			lightweight_mode(1);
+			sleep(1);
+			lightweight_mode(0);
+		}
+	}
+}
diff --git a/c/elevator/elevator.elf b/c/elevator/elevator.elf
new file mode 100755
index 0000000..9b5cafc
--- /dev/null
+++ b/c/elevator/elevator.elf
diff --git a/c/elevator/elevator.hex b/c/elevator/elevator.hex
new file mode 100644
index 0000000..2da4185
--- /dev/null
+++ b/c/elevator/elevator.hex
@@ -0,0 +1,135 @@
+:10000000370101008124A948730000008280148117

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diff --git a/c/elevator/elevator.o b/c/elevator/elevator.o
new file mode 100644
index 0000000..834800b
--- /dev/null
+++ b/c/elevator/elevator.o
diff --git a/c/elevator/rvcontroller.ld b/c/elevator/rvcontroller.ld
new file mode 100644
index 0000000..985892b
--- /dev/null
+++ b/c/elevator/rvcontroller.ld
@@ -0,0 +1,45 @@
+/* Thanks https://github.com/darklife/darkriscv */
+  __heap_size    = 0x200;  /* required amount of heap */
+  __stack_size  = 0x800;  /* required amount of stack */
+  ENTRY(_start);
+  MEMORY
+  {
+    RAM (rwx) : ORIGIN = 0x00000000, LENGTH = 0x10000
+  }
+  SECTIONS
+  {
+    .text :
+    {
+      *(.text.startup)
+      *(.text)
+      *(.text)
+      *(.rodata*)
+    } > RAM
+    .data :
+    {
+      *(.sbss)
+      *(.data)
+      *(.bss)
+      *(.rela*)
+      *(COMMON)
+    } > RAM
+
+    .heap :
+    {
+      . = ALIGN(4);
+      PROVIDE ( end = . );
+      _sheap = .;
+      . = . + __heap_size;
+      . = ALIGN(4);
+      _eheap = .;
+    } >RAM
+
+    .stack :
+    {
+      . = ALIGN(4);
+      _estack = .;
+      . = . + __stack_size;
+      . = ALIGN(4);
+      _sstack = .;
+    } >RAM
+  }
diff --git a/c/elevator/states.h b/c/elevator/states.h
new file mode 100644
index 0000000..27fb4d2
--- /dev/null
+++ b/c/elevator/states.h
@@ -0,0 +1,14 @@
+#define STATE_INIT 0
+#define STATE_BOTTOM_FLOOR_DEMAND 1
+#define STATE_TIMING_1 2
+#define STATE_TIMING_2 3
+#define STATE_TIMING_3 4
+#define STATE_IDLE_1 5
+#define STATE_IDLE_2 6
+#define STATE_IDLE_3 7
+#define STATE_MOVING_1 8
+#define STATE_MOVING_2 9
+#define STATE_MOVING_3 10
+
+#define DIRECTION_UP 0
+#define DIRECTION_DOWN 1
diff --git a/c/gol/Makefile b/c/gol/Makefile
new file mode 100644
index 0000000..54e4d4a
--- /dev/null
+++ b/c/gol/Makefile
@@ -0,0 +1,20 @@
+all: gol.hex
+
+gol.o: gol.c
+	clang -target riscv32-none-elf -I../rvcontroller-libraries -march=rv32imacb_zicntr_zicond_zicsr_zifencei_zihintpause_zilsd_zclsd_zabha_zacas_zbkb_zbkx_zcb_zcmp_zcmt -ffreestanding -O3 -c -o gol.o gol.c
+
+gol.elf: ../rvcontroller-libraries/rvcontroller-init.o ../rvcontroller-libraries/rvcontroller-ecalls.o gol.o
+	riscv32-none-elf-ld -T rvcontroller.ld --no-warn-rwx-segments -o gol.elf ../rvcontroller-libraries/rvcontroller-init.o gol.o ../rvcontroller-libraries/rvcontroller-ecalls.o
+
+dump: gol.elf
+	riscv32-none-elf-objdump -d gol.elf
+
+gol.hex: gol.elf
+	riscv32-none-elf-objcopy -O ihex gol.elf gol.hex
+
+load: gol.hex
+	bash -c "wl-copy < gol.hex"
+
+clean:
+	rm -f gol.bin gol.elf gol.o init.o
+
diff --git a/c/gol/gol.c b/c/gol/gol.c
new file mode 100644
index 0000000..1ccb4c4
--- /dev/null
+++ b/c/gol/gol.c
@@ -0,0 +1,89 @@
+/* Conway's Game of Life for RVController
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "rvcontroller-ecalls.h"
+
+bool field[176] = {false}; // 22*8, extra pixel on each edge will just always be false, makes generation logic easier
+bool field2[176] = {false};
+char screenbuf[121] = {'x'}; //20*6 + terminator
+
+void randomFill(void) {
+	for (int y=1;y<=6;y++) {
+		for (int x=1;x<=20;x++) {
+			int cell = (y*22)+x;
+			field[cell] = (randomint(0,1) == 1);
+		}
+	}
+}
+
+void draw(void) {
+	char channelbuf[3] = {0};
+	for (int y=1;y<=6;y++) {
+		channelbuf[1] = 0x30+y;
+		for (int x=1;x<=20;x++) {
+			channelbuf[0] = 0x40+x;
+			int cell = (y*22)+x;
+			int outpos = ((y-1)*20)+x-1;
+			if (field[cell]) {
+				screenbuf[outpos] = '*';
+				digiline_send(channelbuf,"ffaa55");
+			} else {
+				screenbuf[outpos] = ' ';
+				digiline_send(channelbuf,"552200");
+			}
+		}
+	}
+	screenbuf[120] = 0;
+	printstr(screenbuf);
+}
+
+int countLivingCells(int cell) {
+	int count = 0;
+	if (field[cell-23]) { count += 1; } //Up-left
+	if (field[cell-22]) { count += 1; } //Up
+	if (field[cell-21]) { count += 1; } //Up-right
+	if (field[cell-1])  { count += 1; } //Left
+	if (field[cell+1])  { count += 1; } //Right
+	if (field[cell+21]) { count += 1; } //Down-left
+	if (field[cell+22]) { count += 1; } //Down
+	if (field[cell+23]) { count += 1; } //Down-right
+	return count;
+}
+
+void calculateNewGeneration(void) {
+	for (int y=1;y<=6;y++) {
+		for (int x=1;x<=20;x++) {
+			int cell = (y*22)+x;
+			int living = countLivingCells(cell);
+			if (field[cell]) {
+				//Currently alive, stay if 2 or 3
+				field2[cell] = (living == 2 || living == 3);
+			} else {
+				//Not currently alive, spawn if 3
+				field2[cell] = (living == 3);
+			}
+		}
+	}
+}
+
+void copyNewGeneration(void) {
+	for (int y=1;y<=6;y++) {
+		for (int x=1;x<=20;x++) {
+			int cell = (y*22)+x;
+			field[cell] = field2[cell];
+		}
+	}
+}
+
+void main(void) {
+	randomFill();
+	while (true) {
+		draw();
+		calculateNewGeneration();
+		copyNewGeneration();
+	}
+}
diff --git a/c/gol/gol.elf b/c/gol/gol.elf
new file mode 100755
index 0000000..157bcc0
--- /dev/null
+++ b/c/gol/gol.elf
diff --git a/c/gol/gol.hex b/c/gol/gol.hex
new file mode 100644
index 0000000..0623260
--- /dev/null
+++ b/c/gol/gol.hex
@@ -0,0 +1,463 @@
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diff --git a/c/gol/gol.o b/c/gol/gol.o
new file mode 100644
index 0000000..6c841a1
--- /dev/null
+++ b/c/gol/gol.o
diff --git a/c/gol/rvcontroller.ld b/c/gol/rvcontroller.ld
new file mode 100644
index 0000000..985892b
--- /dev/null
+++ b/c/gol/rvcontroller.ld
@@ -0,0 +1,45 @@
+/* Thanks https://github.com/darklife/darkriscv */
+  __heap_size    = 0x200;  /* required amount of heap */
+  __stack_size  = 0x800;  /* required amount of stack */
+  ENTRY(_start);
+  MEMORY
+  {
+    RAM (rwx) : ORIGIN = 0x00000000, LENGTH = 0x10000
+  }
+  SECTIONS
+  {
+    .text :
+    {
+      *(.text.startup)
+      *(.text)
+      *(.text)
+      *(.rodata*)
+    } > RAM
+    .data :
+    {
+      *(.sbss)
+      *(.data)
+      *(.bss)
+      *(.rela*)
+      *(COMMON)
+    } > RAM
+
+    .heap :
+    {
+      . = ALIGN(4);
+      PROVIDE ( end = . );
+      _sheap = .;
+      . = . + __heap_size;
+      . = ALIGN(4);
+      _eheap = .;
+    } >RAM
+
+    .stack :
+    {
+      . = ALIGN(4);
+      _estack = .;
+      . = . + __stack_size;
+      . = ALIGN(4);
+      _sstack = .;
+    } >RAM
+  }
diff --git a/c/menu/Makefile b/c/menu/Makefile
new file mode 100644
index 0000000..bd92e6a
--- /dev/null
+++ b/c/menu/Makefile
@@ -0,0 +1,44 @@
+CC ?= clang
+CFLAGS_MARCH ?= -march=rv32imacb_zicntr_zicond_zicsr_zifencei_zihintpause_zilsd_zclsd_zabha_zacas_zbkb_zbkx_zcb_zcmp_zcmt
+CFLAGS_OPT ?= -O3
+CFLAGS ?= ${CFLAGS_MARCH} ${CFLAGS_OPT}
+
+ifeq (${CC}, clang)
+	CC := ${CC} -target riscv32-none-elf
+endif
+
+.PHONY: all dump load clean
+
+all: menu.hex
+
+menu.o: menu.c calculator.h digilines.h games.h screensaver.h
+	${CC} -I../rvcontroller-libraries ${CFLAGS} -ffreestanding -c -o menu.o menu.c
+
+calculator.o: calculator.c
+	${CC} -I../rvcontroller-libraries ${CFLAGS} -ffreestanding -c -o calculator.o calculator.c
+
+digilines.o: digilines.c
+	${CC} -I../rvcontroller-libraries ${CFLAGS} -ffreestanding -c -o digilines.o digilines.c
+
+games.o: games.c
+	${CC} -I../rvcontroller-libraries ${CFLAGS} -ffreestanding -c -o games.o games.c
+
+screensaver.o: screensaver.c
+	${CC} -I../rvcontroller-libraries ${CFLAGS} -ffreestanding -c -o screensaver.o screensaver.c
+
+menu.elf: ../rvcontroller-libraries/rvcontroller-init.o ../rvcontroller-libraries/rvcontroller-ecalls.o menu.o calculator.o digilines.o games.o screensaver.o
+# riscv32-none-elf-ld -T rvcontroller.ld --no-warn-rwx-segments -o menu.elf ../rvcontroller-libraries/rvcontroller-init.o ../rvcontroller-libraries/rvcontroller-ecalls.o menu.o calculator.o digilines.o games.o
+	${CC} -T rvcontroller.ld -nostdlib -nostartfiles -Xlinker --no-warn-rwx-segments -o menu.elf ../rvcontroller-libraries/rvcontroller-init.o ../rvcontroller-libraries/rvcontroller-ecalls.o menu.o calculator.o digilines.o games.o screensaver.o
+
+dump: menu.elf
+	riscv32-none-elf-objdump -d menu.elf
+
+menu.hex: menu.elf
+	riscv32-none-elf-objcopy -O ihex menu.elf menu.hex
+
+load: menu.hex
+	bash -c "wl-copy < menu.hex"
+
+clean:
+	rm -f menu.bin menu.elf menu.o init.o calculator.o digilines.o games.o screensaver.o
+
diff --git a/c/menu/calculator.c b/c/menu/calculator.c
new file mode 100644
index 0000000..ff26f07
--- /dev/null
+++ b/c/menu/calculator.c
@@ -0,0 +1,95 @@
+/* Menu Thing for RVController - Calculator
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "rvcontroller-ecalls.h"
+
+void runCalculator(void) {
+	char input[2] = {0};
+	int32_t num1 = 0;
+	int32_t num2 = 0;
+	int32_t result = 0;
+
+	printstr("\n\n\n\n\n\n");
+	printstr("Enter number 1:\n> ");
+	num1 = readint();
+	printint(num1);
+	printstr("\nEnter number 2:\n> ");
+	num2 = readint();
+	printint(num2);
+
+	bool opok = false;
+	while (!opok) {
+		printstr("\nSelect operation:\n[+-*/%&|^<<>>] > ");
+		readstr(input,2);
+		printstr(input);
+
+		switch (input[0]) {
+			case '<':
+			case '>':
+				// Duplicate the character for these two to give the illusion that I bothered to store both
+				// Then fall through
+				printstr(input);
+			case '+':
+			case '-':
+			case '*':
+			case '/':
+			case '%':
+			case '&':
+			case '|':
+			case '^':
+				printchar('\n');
+				opok = true;
+				break;
+			default:
+				printstr("\nInvalid operation\n");
+		}
+	}
+
+	switch (input[0]) {
+		case '+':
+			printint(num1+num2);
+			break;
+		case '-':
+			printint(num1-num2);
+			break;
+		case '*':
+			printint(num1*num2);
+			break;
+		case '/':
+			printint(num1/num2);
+			break;
+		case '%':
+			printint(num1%num2);
+			break;
+		case '&':
+			printint(num1&num2);
+			break;
+		case '|':
+			printint(num1|num2);
+			break;
+		case '^':
+			printint(num1^num2);
+			break;
+		case '<':
+			if (num2 < 0 || num2 > 31) {
+				printstr("Nice try.");
+			} else {
+				printint(num1<<num2);
+			}
+			break;
+		case '>' :
+			if (num2 < 0 || num2 > 31) {
+				printstr("Nice try.");
+			} else {
+				printint(num1>>num2);
+			}
+			break;
+	}
+
+	printstr("\nPress any key");
+	readstr(input,1);
+}
diff --git a/c/menu/calculator.h b/c/menu/calculator.h
new file mode 100644
index 0000000..4a70356
--- /dev/null
+++ b/c/menu/calculator.h
@@ -0,0 +1,6 @@
+/* Menu Thing for RVController - Calculator
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+void runCalculator(void);
diff --git a/c/menu/calculator.o b/c/menu/calculator.o
new file mode 100644
index 0000000..7247432
--- /dev/null
+++ b/c/menu/calculator.o
diff --git a/c/menu/digilines.c b/c/menu/digilines.c
new file mode 100644
index 0000000..620d61f
--- /dev/null
+++ b/c/menu/digilines.c
@@ -0,0 +1,66 @@
+/* Menu Thing for RVController - Digilines
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "rvcontroller-ecalls.h"
+
+char dispbuf[] = "\nLast channel:\n(none)              \nLast message:\n(none)              \ns: Send\nq: Quit";
+
+void dispWrite(char *text,int pos) {
+	int outpos;
+	for (int i=0;;i++) {
+		if (text[i] == 0) { break; }
+		outpos = pos + i;
+		dispbuf[outpos] = text[i];
+	}
+}
+
+void sendUI(void) {
+	char channeloutbuf[19];
+	char msgoutbuf[19];
+	printstr("\n\n\n\n\nEnter channel:\n> ");
+	readstr(channeloutbuf,19);
+	printstr(channeloutbuf);
+	printstr("\nEnter message:\n> ");
+	readstr(msgoutbuf,19);
+	printstr(msgoutbuf);
+	digiline_send(channeloutbuf,msgoutbuf);
+	printstr("\nSent!\nPress any key");
+	readstr(channeloutbuf,1);
+}
+
+void runDigilines(void) {
+	char channelinbuf[21];
+	char msginbuf[21];
+	char kbinput;
+	bool quit = false;
+
+	console_clearbuffer();
+	digiline_clearbuffer();
+	dispWrite("(none)              ",15);
+	dispWrite("(none)              ",50);
+
+	while (!quit) {
+		if (digiline_bufferlevel() > 0) {
+			digiline_receive(channelinbuf,21,msginbuf,21);
+			dispWrite("                    ",15);
+			dispWrite("                    ",50);
+			dispWrite(channelinbuf,15);
+			dispWrite(msginbuf,50);
+		}
+		printstr(dispbuf);
+
+		kbinput = console_readchar();
+		switch (kbinput) {
+			case 's':
+				sendUI();
+				break;
+			case 'q':
+				quit = true;
+				break;
+		}
+	}
+}
diff --git a/c/menu/digilines.h b/c/menu/digilines.h
new file mode 100644
index 0000000..480623a
--- /dev/null
+++ b/c/menu/digilines.h
@@ -0,0 +1,6 @@
+/* Menu Thing for RVController - Digilines
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+void runDigilines(void);
diff --git a/c/menu/digilines.o b/c/menu/digilines.o
new file mode 100644
index 0000000..95a2ac8
--- /dev/null
+++ b/c/menu/digilines.o
diff --git a/c/menu/games.c b/c/menu/games.c
new file mode 100644
index 0000000..574c6f0
--- /dev/null
+++ b/c/menu/games.c
@@ -0,0 +1,121 @@
+/* Menu Thing for RVController - Games
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "rvcontroller-ecalls.h"
+
+void runCasino(void) {
+	int32_t input;
+	int32_t money = 10;
+	bool quit = false;
+	char strscratch[1];
+
+	printstr("\nCASINO\n");
+
+	while (!quit) {
+		printstr("You have:\n$");
+		printint(money);
+		printstr("\nBet how much?\n(0 to quit)\n> ");
+		input = readint();
+		printint(input);
+		printchar('\n');
+
+		if (input == 0) {
+			quit = true;
+		} else if (input < 0 || input > money) {
+			printstr("Nice try.\n");
+		} else {
+			if (randomint(0,9) >= 6) { // Of course it's not a fair chance. This is a casino, gotta make money here!
+				printstr("You win!\n");
+				money = money + input;
+				if (money >= 1000000000) {
+					printstr("You're a \nbillionaire!\nBest quit while\nyou're ahead...\n\nPress any key");
+					readstr(strscratch,1);
+					quit = true;
+				}
+			} else {
+				printstr("You lose.\n");
+				money = money - input;
+				if (money <= 0) {
+					printstr("You've gambled away\nyour life savings.\nTime to go home...\n\nPress any key");
+					readstr(strscratch,1);
+					quit = true;
+				}
+			}
+		}
+	}
+}
+
+void runGuessNum(void) {
+	int32_t answer = randomint(1,99);
+	int32_t entry;
+	int32_t guesses = 0;
+	uint32_t time = rdtime();
+	bool quit = false;
+	char strscratch[1];
+
+	printstr("GUESS THE NUMBER\nThe computer will\npick a number from\n1 to 99 and you need\nto guess it.\n\nPress any key");
+	readstr(strscratch,1);
+	printstr("\n\n\n\n");
+
+	while (!quit) {
+		printstr("Enter your guess:\n(0 to quit)\n> ");
+		entry = readint();
+		if (entry == 0) {
+			quit = true;
+		}
+		printint(entry);
+		guesses = guesses + 1;
+
+		if (entry == answer) {
+			printstr("\nCorrect!\n\nYou got it in:\n");
+			printint(guesses);
+			printstr(" guess");
+			if (guesses != 1) { printstr("es"); }
+			printchar('\n');
+			time = rdtime() - time;
+			printint(time);
+			printstr(" second");
+			if (time != 1) { printchar('s'); }
+			printstr("\nPress any key");
+			readstr(strscratch,1);
+			quit = true;
+		} else if (entry > answer) {
+			printstr("\nToo high!\n\n");
+		} else {
+			printstr("\nToo low!\n\n");
+		}
+	}
+}
+
+void runGames(void) {
+	char inputbuf[2];
+	bool quit = false;
+	while (!quit) {
+		printstr("\nGAMES\n");
+		printstr("1: Casino\n");
+		printstr("2: Guess the Number\n");
+		printstr("\n\n0: Back");
+		readstr(inputbuf,2);
+
+		switch (inputbuf[0]) {
+			case '0':
+				quit = true;
+				break;
+			case '1':
+				runCasino();
+				quit = true;
+				break;
+			case '2':
+				runGuessNum();
+				quit = true;
+				break;
+			default:
+				printstr("\nInvalid option\n\nPress any key\n\n\n");
+				readstr(inputbuf,2);
+		}
+	}
+}
diff --git a/c/menu/games.h b/c/menu/games.h
new file mode 100644
index 0000000..d2b67be
--- /dev/null
+++ b/c/menu/games.h
@@ -0,0 +1,6 @@
+/* Menu Thing for RVController - Games
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+void runGames(void);
diff --git a/c/menu/games.o b/c/menu/games.o
new file mode 100644
index 0000000..749068a
--- /dev/null
+++ b/c/menu/games.o
diff --git a/c/menu/menu.c b/c/menu/menu.c
new file mode 100644
index 0000000..4d3aa14
--- /dev/null
+++ b/c/menu/menu.c
@@ -0,0 +1,74 @@
+/* Menu Thing for RVController - Main Menu
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "rvcontroller-ecalls.h"
+#include "calculator.h"
+#include "digilines.h"
+#include "games.h"
+#include "screensaver.h"
+
+uint_fast8_t menupage = 0;
+
+void main(void) {
+	char inputbuf[32] = {0}; // Overkill for now but it's not like I'm short on RAM
+	while (true) {
+		switch (menupage) {
+			case 0:
+				printstr("\nMAIN MENU Page 1\n");
+				printstr("< > to change page\n");
+				printstr("1: Calculator\n");
+				printstr("2: Calendar\n");
+				printstr("3: Digilines\n");
+				printstr("4: Games");
+				break;
+			case 1:
+				printstr("\nMAIN MENU Page 2\n");
+				printstr("< > to change page\n");
+				printstr("5: Screensaver\n");
+				printstr("6: Text Editor\n");
+				printstr("More coming soon\n");
+				printstr("(maybe)");
+				break;
+			default:
+				printstr("\nInvalid menu page\n\n\n\n\n\n");
+		}
+
+		readstr(inputbuf,32);
+
+		switch (inputbuf[0]) {
+			case '<':
+				if (menupage > 0) {
+					menupage--;
+				} else {
+					menupage = 1;
+				}
+				break;
+			case '>':
+				menupage = (menupage + 1) % 2;
+				break;
+			case '1':
+				runCalculator();
+				break;
+			case '3':
+				runDigilines();
+				break;
+			case '4':
+				runGames();
+				break;
+			case '5':
+				runScreensaver();
+				break;
+			default:
+				printstr("\nUnknown or\n");
+				printstr("unimplemented\n");
+				printstr("command\n");
+				printstr("\n");
+				printstr("Press any key\n");
+				readstr(inputbuf,32);
+		}
+	}
+}
diff --git a/c/menu/menu.elf b/c/menu/menu.elf
new file mode 100755
index 0000000..92b42fe
--- /dev/null
+++ b/c/menu/menu.elf
diff --git a/c/menu/menu.hex b/c/menu/menu.hex
new file mode 100644
index 0000000..2b96462
--- /dev/null
+++ b/c/menu/menu.hex
@@ -0,0 +1,377 @@
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diff --git a/c/menu/menu.o b/c/menu/menu.o
new file mode 100644
index 0000000..43e4e58
--- /dev/null
+++ b/c/menu/menu.o
diff --git a/c/menu/rvcontroller.ld b/c/menu/rvcontroller.ld
new file mode 100644
index 0000000..985892b
--- /dev/null
+++ b/c/menu/rvcontroller.ld
@@ -0,0 +1,45 @@
+/* Thanks https://github.com/darklife/darkriscv */
+  __heap_size    = 0x200;  /* required amount of heap */
+  __stack_size  = 0x800;  /* required amount of stack */
+  ENTRY(_start);
+  MEMORY
+  {
+    RAM (rwx) : ORIGIN = 0x00000000, LENGTH = 0x10000
+  }
+  SECTIONS
+  {
+    .text :
+    {
+      *(.text.startup)
+      *(.text)
+      *(.text)
+      *(.rodata*)
+    } > RAM
+    .data :
+    {
+      *(.sbss)
+      *(.data)
+      *(.bss)
+      *(.rela*)
+      *(COMMON)
+    } > RAM
+
+    .heap :
+    {
+      . = ALIGN(4);
+      PROVIDE ( end = . );
+      _sheap = .;
+      . = . + __heap_size;
+      . = ALIGN(4);
+      _eheap = .;
+    } >RAM
+
+    .stack :
+    {
+      . = ALIGN(4);
+      _estack = .;
+      . = . + __stack_size;
+      . = ALIGN(4);
+      _sstack = .;
+    } >RAM
+  }
diff --git a/c/menu/screensaver.c b/c/menu/screensaver.c
new file mode 100644
index 0000000..70e1647
--- /dev/null
+++ b/c/menu/screensaver.c
@@ -0,0 +1,137 @@
+/* Menu Thing for RVController - Screensaver
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "rvcontroller-ecalls.h"
+
+char screensaverbuf[] = "\n                    \n                    \n                    \n                    \n                    \n                    ";
+
+int strlen(char *string) {
+	int i;
+	for (i = 0;string[i] != 0;i++) {}
+	return i;
+}
+
+void screensaverWriteText(char *text, int column, int row, bool erase) {
+	int textlen = strlen(text);
+	if (column < 0) {
+		// Cut the left side off of the text and change the start position to the left side of the screen
+		text = text + (0 - column);
+		textlen = textlen + column;
+		column = 0;
+	} else if (column + textlen > 19) {
+		// Cut the right side off of the text
+		textlen = 20 - column;
+	}
+	for (int i=0;i < textlen;i++) {
+		if (erase) {
+			screensaverbuf[(row*21)+column+i+1] = 0x20;
+		} else {
+			screensaverbuf[(row*21)+column+i+1] = text[i];
+		}
+	}
+}
+
+void doMarquee(void) {
+	char text[] = "RVController ";
+	int col = 19;
+	int row = randomint(0,5);
+	console_clearbuffer();
+	while (console_readchar() == 0) {
+		col--;
+		if (col < (0 - strlen(text))) {
+			col = 20;
+			row = randomint(0,5);
+		}
+		screensaverWriteText(text,col,row,false);
+		printstr(screensaverbuf);
+	}
+	screensaverWriteText(text,col,row,true);
+}
+
+void doBouncingText(void) {
+	char text[] = "RVController";
+	int col = 0;
+	int row = 0;
+	int xdir = 1;
+	int ydir = 1;
+	console_clearbuffer();
+	while (console_readchar() == 0) {
+		screensaverWriteText(text,col,row,true);
+		col = col + xdir;
+		row = row + ydir;
+		if (col <= 0) { xdir = 1; }
+		if (col >= (19 - strlen(text))) { xdir = -1; }
+		if (row <= 0) { ydir = 1; }
+		if (row >= 5) { ydir = -1; }
+		screensaverWriteText(text,col,row,false);
+		printstr(screensaverbuf);
+	}
+	screensaverWriteText(text,col,row,true);
+}
+
+void doMatrix(void) {
+	int row[] = {-8,-4,-1,-5,-2}; // "Random" positions off the top of the screen to give "random" start delays
+	int col[] = {1,18,2,12,9};
+	int len[] = {3,4,5,6,7};
+	char textscratch[] = " ";
+	console_clearbuffer();
+	while (console_readchar() == 0) {
+		for (int i=0;i<=4;i++) {
+			row[i]++;
+			textscratch[0] = randomint(0x21,0x7a);
+			if (row[i] <= 5 && row[i] >= 0) {
+				screensaverWriteText(textscratch,col[i],row[i],false);
+			}
+			if ((row[i] - len[i]) <= 5 && (row[i] - len[i]) >= 0) {
+				screensaverWriteText(textscratch,col[i],(row[i] - len[i]),true);
+			} else if ((row[i] - len[i]) > 5 && randomint(0,1) == 1) {
+				row[i] = 0 - randomint(1,3);
+				col[i] = randomint(0,19);
+				len[i] = randomint(2,8);
+			}
+		}
+		printstr(screensaverbuf);
+	}
+	for (int i=0;i <= 5;i++) {
+		screensaverWriteText("                    ",0,i,true);
+	}
+}
+
+void runScreensaver(void) {
+	char inputbuf[9];
+	bool quit = false;
+	while (!quit) {
+		printstr("\n\n\n\n\n\n\n");
+		printstr("SCREENSAVER\n");
+		printstr("1: Marquee\n");
+		printstr("2: Bouncing Text\n");
+		printstr("3: Matrix\n");
+		printstr("\n");
+		printstr("0: Exit");
+		readstr(inputbuf,2);
+		switch (inputbuf[0]) {
+			case '0':
+				quit = true;
+				break;
+			case '1':
+				doMarquee();
+				quit = true;
+				break;
+			case '2':
+				doBouncingText();
+				quit = true;
+				break;
+			case '3':
+				doMatrix();
+				quit = true;
+				break;
+			default:
+				printstr("\nInvalid option\n\nPress any key\n\n\n");
+				readstr(inputbuf,1);
+		}
+	}
+}
diff --git a/c/menu/screensaver.h b/c/menu/screensaver.h
new file mode 100644
index 0000000..f56811a
--- /dev/null
+++ b/c/menu/screensaver.h
@@ -0,0 +1,6 @@
+/* Menu Thing for RVController - Screensaver
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+void runScreensaver(void);
diff --git a/c/menu/screensaver.o b/c/menu/screensaver.o
new file mode 100644
index 0000000..1f725d3
--- /dev/null
+++ b/c/menu/screensaver.o
diff --git a/c/rrxing/Makefile b/c/rrxing/Makefile
new file mode 100644
index 0000000..1087a53
--- /dev/null
+++ b/c/rrxing/Makefile
@@ -0,0 +1,20 @@
+all: rrxing.hex
+
+rrxing.o: rrxing.c
+	clang -target riscv32-none-elf -I../rvcontroller-libraries -march=rv32imacb_zicntr_zicond_zicsr_zifencei_zihintpause_zilsd_zclsd_zabha_zacas_zbkb_zbkx_zcb_zcmp_zcmt -ffreestanding -O3 -c -o rrxing.o rrxing.c
+
+rrxing.elf: ../rvcontroller-libraries/rvcontroller-init.o ../rvcontroller-libraries/rvcontroller-ecalls.o rrxing.o
+	riscv32-none-elf-ld -T rvcontroller.ld --no-warn-rwx-segments -o rrxing.elf ../rvcontroller-libraries/rvcontroller-init.o rrxing.o ../rvcontroller-libraries/rvcontroller-ecalls.o
+
+dump: rrxing.elf
+	riscv32-none-elf-objdump -d rrxing.elf
+
+rrxing.hex: rrxing.elf
+	riscv32-none-elf-objcopy -O ihex rrxing.elf rrxing.hex
+
+load: rrxing.hex
+	bash -c "wl-copy < rrxing.hex"
+
+clean:
+	rm -f rrxing.bin rrxing.elf rrxing.o init.o
+
diff --git a/c/rrxing/rrxing.c b/c/rrxing/rrxing.c
new file mode 100644
index 0000000..e867e8a
--- /dev/null
+++ b/c/rrxing/rrxing.c
@@ -0,0 +1,86 @@
+#include <stdint.h>
+#include <stdbool.h>
+#include "rvcontroller-ecalls.h"
+
+bool streq(char *a, char *b) {
+	for (int i=0;a[i] != 0 || b[i] != 0;i++) {
+		if (a[i] != b[i]) {
+			return false;
+		}
+	}
+	return true;
+}
+
+void sleep(uint32_t delay) {
+	//This will start having problems after about 130 years
+	//of uptime, but that's probably acceptable
+	uint32_t endtime = rdtime() + delay;
+	while (rdtime() < endtime) {}
+	return;
+}
+
+bool checkdetector(void) {
+	char channelbuf[16];
+	char msgbuf[16];
+	while (digiline_bufferlevel() > 0) {
+		lightweight_mode(0);
+		digiline_receive(channelbuf,16,msgbuf,16);
+		if (streq(channelbuf,"detect")) {
+			return true;
+		}
+	}
+	lightweight_mode(1);
+	return false;
+}
+
+void main() {
+	printstr("Railroad Crossing\nfor RVController\nInitializing HW\n");
+	digiline_send("light","OFF");
+	digiline_send("bell","off");
+	digiline_send("gate","up");
+	digiline_clearbuffer();
+	while (true) {
+		printstr("Idle\n");
+		lightweight_mode(1);
+		printstr("Lightweight: On\n");
+		while (!checkdetector()) {}
+		printstr("Train detected\nLightweight: Off\n");
+		lightweight_mode(0);
+		digiline_send("light","YELLOW");
+		printstr("Light: Yellow\n");
+		sleep(2);
+		digiline_send("bell","on");
+		printstr("Bell: On\n");
+		sleep(2);
+		digiline_send("light","RED");
+		printstr("Light: Red\n");
+		sleep(3);
+		digiline_send("gate","down");
+		printstr("Gate: Down\n");
+		sleep(4);
+		digiline_send("bell","off");
+		printstr("Bell: Off\n");
+
+		digiline_clearbuffer();
+		for (uint8_t time = 15;time > 0;time--) {
+			printstr("Timeout in ");
+			printint(time);
+			printstr("s\n");
+			sleep(1);
+			bool train = checkdetector();
+			lightweight_mode(0); //checkdetector() turns this on
+			if (train) {
+				digiline_clearbuffer();
+				time = 25;
+				printstr("Time reset by train\n");
+			}
+		}
+		printstr("Timed out\n");
+
+		digiline_send("gate","up");
+		printstr("Gate: Up\n");
+		sleep(2);
+		digiline_send("light","OFF");
+		printstr("Light: Off\n");
+	}
+}
diff --git a/c/rrxing/rrxing.elf b/c/rrxing/rrxing.elf
new file mode 100755
index 0000000..fd70937
--- /dev/null
+++ b/c/rrxing/rrxing.elf
diff --git a/c/rrxing/rrxing.hex b/c/rrxing/rrxing.hex
new file mode 100644
index 0000000..a6ac7d8
--- /dev/null
+++ b/c/rrxing/rrxing.hex
@@ -0,0 +1,70 @@
+:10000000370101006520A948730000008280148137

+:10001000988133E6E60009C685050505E389E6FE15

+:1000200013351600828052B82A84452C2A947524F0

+:10003000E36F85FE52BE4EB822F44AF0692435C102

+:100040001309400693045006130440079309300631

+:1000500019A0952C39C50145612C0808C1450A86AF

+:10006000C146BD2403450101E31525FF03451101E8

+:10007000E31195FE03452101E31D85FC0345310194

+:10008000E31995FC03454101E31535FD0345510195

+:10009000E31185FC034561014DFD0545227402799C

+:1000A0004EBE0545B124227402794EBC4EB80111F2

+:1000B000A2E4CAE052FC5AF862F46AF01305203355

+:1000C000F522130460369305C0362285C52A9309AC

+:1000D0000037930550374E85D52213059037930589

+:1000E000E037E92A0924930B4006130C5006930DC0

+:1000F000400713093006930C8040130D4041930ACA

+:100100007041130510385D220545DD221305703856

+:10011000712A552A21C50145E12A0808C1450A86E8

+:10012000C1467D2203450101E31575FF0345110119

+:10013000E31185FF03452101E31DB5FD03453101B1

+:10014000E31985FD03454101E31525FD03455101F3

+:10015000E311B5FD034561014DFD21A00545492A87

+:100160004DBF1305803999220145592222859305F7

+:10017000903BA9221305003C152A852293042500F3

+:10018000A92AE36F95FE4E859305F03C052A1305D9

+:10019000203D292A9922930425008122E36F95FEB0

+:1001A00022859305C03D192A1305003E0122352200

+:1001B000930435001D22E36F95FE130590379305D8

+:1001C000C03EED281305103FD520012A93044500B9

+:1001D0002922E36F95FE4E8A4E8593055037F92804

+:1001E0001305D03FE1200122BD4909A80545092298

+:1001F0000145FD28FD1913F5F90F3DC913FBF90F52

+:1002000066856D205A8579286A854D20F9209304EA

+:100210001500E120E36F95FE7D2069D90145C928CD

+:100220000808C1450A86C146652003450101E3155A

+:1002300075FF03451101E31185FF03452101E31D0E

+:10024000B5FD03453101E31985FD03454101E31582

+:1002500025FD03455101E311B5FD034561014DFD48

+:100260004128512056859920E14913F5F90F59F598

+:100270001305C0422528130590379305E0373D2824

+:10028000130570432520912893042500B920E36FBE

+:1002900095FE22859305C03615201305104439209C

+:1002A000D28985B58548730000008280914873002B

+:1002B00000008280AD48730000008280930810081F

+:1002C0007300000082809308500873000000828051

+:1002D00093087008730000008280732510C082802C

+:1002E000732500C08280930860087300000082803C

+:1002F0000589F322008093920248B3E2A200739032

+:100300000280828095487300000082809308000874

+:10031000730000008280A14873000000828093086F

+:1003200030087300000082809308400873000000CA

+:1003300082805261696C726F61642043726F737363

+:10034000696E670A666F72205256436F6E74726FE1

+:100350006C6C65720A496E697469616C697A696E60

+:10036000672048570A006C69676874004F4646006A

+:1003700062656C6C006F666600676174650075701D

+:100380000049646C650A004C696768747765696741

+:1003900068743A204F6E0A00547261696E20646579

+:1003A0007465637465640A4C696768747765696726

+:1003B00068743A204F66660A0059454C4C4F570006

+:1003C0004C696768743A2059656C6C6F770A006FE6

+:1003D0006E0042656C6C3A204F6E0A005245440034

+:1003E0004C696768743A205265640A00646F776EDE

+:1003F00000476174653A20446F776E0A0042656C6D

+:100400006C3A204F66660A0054696D656F757420FA

+:10041000696E2000730A0054696D6520726573650A

+:100420007420627920747261696E0A0054696D6586

+:1004300064206F75740A00476174653A2055700A2C

+:0D044000004C696768743A204F66660A0038

+:00000001FF

diff --git a/c/rrxing/rrxing.o b/c/rrxing/rrxing.o
new file mode 100644
index 0000000..3d0bd00
--- /dev/null
+++ b/c/rrxing/rrxing.o
diff --git a/c/rrxing/rvcontroller.ld b/c/rrxing/rvcontroller.ld
new file mode 100644
index 0000000..985892b
--- /dev/null
+++ b/c/rrxing/rvcontroller.ld
@@ -0,0 +1,45 @@
+/* Thanks https://github.com/darklife/darkriscv */
+  __heap_size    = 0x200;  /* required amount of heap */
+  __stack_size  = 0x800;  /* required amount of stack */
+  ENTRY(_start);
+  MEMORY
+  {
+    RAM (rwx) : ORIGIN = 0x00000000, LENGTH = 0x10000
+  }
+  SECTIONS
+  {
+    .text :
+    {
+      *(.text.startup)
+      *(.text)
+      *(.text)
+      *(.rodata*)
+    } > RAM
+    .data :
+    {
+      *(.sbss)
+      *(.data)
+      *(.bss)
+      *(.rela*)
+      *(COMMON)
+    } > RAM
+
+    .heap :
+    {
+      . = ALIGN(4);
+      PROVIDE ( end = . );
+      _sheap = .;
+      . = . + __heap_size;
+      . = ALIGN(4);
+      _eheap = .;
+    } >RAM
+
+    .stack :
+    {
+      . = ALIGN(4);
+      _estack = .;
+      . = . + __stack_size;
+      . = ALIGN(4);
+      _sstack = .;
+    } >RAM
+  }
diff --git a/c/rvcontroller-libraries/Makefile b/c/rvcontroller-libraries/Makefile
new file mode 100644
index 0000000..eca2a8c
--- /dev/null
+++ b/c/rvcontroller-libraries/Makefile
@@ -0,0 +1,10 @@
+all: rvcontroller-init.o rvcontroller-ecalls.o
+
+rvcontroller-init.o: rvcontroller-init.S
+	riscv32-none-elf-as -march=rv32imcb_zicsr_zbkx -o rvcontroller-init.o rvcontroller-init.S
+
+rvcontroller-ecalls.o: rvcontroller-ecalls.S
+	riscv32-none-elf-as -march=rv32imcb_zicsr_zbkx -o rvcontroller-ecalls.o rvcontroller-ecalls.S
+
+clean:
+	rm -f rvcontroller-init.o rvcontroller-ecalls.o
diff --git a/c/rvcontroller-libraries/rvcontroller-ecalls.S b/c/rvcontroller-libraries/rvcontroller-ecalls.S
new file mode 100644
index 0000000..454bcb6
--- /dev/null
+++ b/c/rvcontroller-libraries/rvcontroller-ecalls.S
@@ -0,0 +1,108 @@
+#RVController ecall C Library - Assembly Portion
+#A product of Advanced Mesecons Devices, a Cheapie Systems company
+#This is free and unencumbered software released into the public domain.
+#See http://unlicense.org/ for more information
+
+printint:
+# Number to print is already in a0
+li a7,1 # Write number
+ecall
+ret
+
+printstr:
+# String address is already in a0
+li a7,4
+ecall
+ret
+
+printchar:
+# Character is already in a0
+li a7,11
+ecall
+ret
+
+digiline_send:
+# Channel pointer is already in a0, message pointer is already in a1
+li a7,129
+ecall
+ret
+
+digiline_bufferlevel:
+li a7,133
+ecall
+# Result is already in a0
+ret
+
+digiline_receive:
+# Arguments are already in a0-a3
+li a7,135
+ecall
+ret
+
+rdtime:
+rdtime a0
+ret
+
+rdcycle:
+rdcycle a0
+ret
+
+digiline_clearbuffer:
+li a7,134
+ecall
+ret
+
+lightweight_mode:
+andi a0,a0,1
+csrrs t0,0x800,x0
+bclri t0,t0,0
+or t0,t0,a0
+csrrw x0,0x800,t0
+ret
+
+readint:
+li a7,5
+ecall
+# Result is already in a0
+ret
+
+randomint:
+li a7,128
+# Arguments are already in a0 and a1
+ecall
+# Result is already in a0
+ret
+
+readstr:
+li a7,8
+# Arguments are already in a0 and a1
+ecall
+# Result is already in a0
+ret
+
+console_clearbuffer:
+li a7,131
+ecall
+ret
+
+console_readchar:
+li a7,132
+ecall
+# Result is already in a0
+ret
+
+.globl printint
+.globl printstr
+.globl printchar
+.globl digiline_send
+.globl digiline_bufferlevel
+.globl digiline_receive
+.globl rdtime
+.globl rdcycle
+.globl digiline_clearbuffer
+.globl lightweight_mode
+.globl readint
+.globl randomint
+.globl readstr
+.globl console_clearbuffer
+.globl console_readchar
diff --git a/c/rvcontroller-libraries/rvcontroller-ecalls.h b/c/rvcontroller-libraries/rvcontroller-ecalls.h
new file mode 100644
index 0000000..7107d21
--- /dev/null
+++ b/c/rvcontroller-libraries/rvcontroller-ecalls.h
@@ -0,0 +1,108 @@
+/* RVController ecall C Library - C Header Portion
+ * A product of Advanced Mesecons Devices, a Cheapie Systems company
+ * This is free and unencumbered software released into the public domain.
+ * See http://unlicense.org/ for more information */
+
+#ifndef _STDINT_H
+#include <stdint.h>
+#endif
+
+/* printint(number)
+ *
+ * Prints a 32-bit signed integer to standard output.
+ * number: The number to print */
+void printint(int32_t number);
+
+/* printstr(*str)
+ *
+ * Prints a null-terminated ASCII string to standard output.
+ * *str: Pointer to the start of the string data */
+void printstr(char *str);
+
+/* printchar(c)
+ *
+ * Prints a single ASCII character to standard output.
+ * c: The character to print */
+void printchar(char c);
+
+/* digiline_send(*channel,*msg)
+ *
+ * Sends an arbitrary digilines message on an arbitrary channel.
+ * *channel: Pointer to the start of the null-terminated channel string
+ * *msg: Pointer to the start of the null-terminated message string */
+void digiline_send(char *channel, char *msg);
+
+/* digiline_bufferlevel()
+ *
+ * Reads the current number of digilines messages that have been received
+ * but not yet read.
+ * Returns: Number of messages */
+uint8_t digiline_bufferlevel(void);
+
+/* digiline_receive(*channelbuf,channelbuflen,*msgbuf,msgbuflen)
+ *
+ * Reads the first (oldest) digilines message from the receive queue and removes
+ * the message from the queue.
+ * Null termination will be added to all received strings.
+ * *channelbuf: Pointer to the location of a buffer into which the channel will be placed
+ * channelbuflen: The size of the buffer pointed to by channelbuf
+ * *msgbuf: Pointer to the location of a buffer into which the message will be placed
+ * msgbuflen: The size of the buffer pointed to by channelbuf */
+void digiline_receive(char *channelbuf, int channelbuflen, char *msgbuf, int msgbuflen);
+
+/* rdcycle()
+ *
+ * Reads the number of clock cycles that have passed since the processor was started.
+ * Returns: Number of clock cycles */
+uint32_t rdcycle(void);
+
+/* rdtime()
+ *
+ * Reads the number of seconds that have elapsed since the processor was started.
+ * Returns: Number of seconds */
+uint32_t rdtime(void);
+
+/* digiline_clearbuffer()
+ *
+ * Discards all received digilines messages currently waiting in the queue. */
+void digiline_clearbuffer(void);
+
+/* lightweight_mode(enabled)
+ *
+ * Turns lightweight mode (see RVController documentation) or or off.
+ * enabled: 1 to enable, 0 to disable, other values are reserved */
+void lightweight_mode(char enabled);
+
+/* readint()
+ *
+ * Reads a 32-bit signed integer from the console.
+ * This will block until the user enters a valid number.
+ * returns: The number typed by the user */
+int32_t readint(void);
+
+/* readstr()
+ *
+ * Reads a null-terminated string from the console.
+ * This will block until the user enters something.
+ * buffer: Pointer to a buffer that the string will be stored in
+ * bufsize: The size of the buffer */
+void readstr(char *buffer, uint32_t bufsize);
+
+/* randomint(lowlimit,highlimit)
+ *
+ * Generates a random integer between lowlimit and highlimit.
+ * lowlimit: The lowest number that can be generated (inclusive)
+ * highlimit: The highest number that can be generated (inclusive)
+ * returns: Random number */
+int32_t randomint(int32_t lowlimit,int32_t highlimit);
+
+/* console_clearbuffer()
+ *
+ * Discards all characters currently waiting in the console input buffer. */
+void console_clearbuffer(void);
+
+/* console_readchar()
+ *
+ * Reads one character from the console input buffer.
+ * returns: Character, or 0 if no characters are available to read */
+char console_readchar(void);
diff --git a/c/rvcontroller-libraries/rvcontroller-ecalls.o b/c/rvcontroller-libraries/rvcontroller-ecalls.o
new file mode 100644
index 0000000..e23d3fe
--- /dev/null
+++ b/c/rvcontroller-libraries/rvcontroller-ecalls.o
diff --git a/c/rvcontroller-libraries/rvcontroller-init.S b/c/rvcontroller-libraries/rvcontroller-init.S
new file mode 100644
index 0000000..83cab9d
--- /dev/null
+++ b/c/rvcontroller-libraries/rvcontroller-init.S
@@ -0,0 +1,26 @@
+#Assembly stub for C programs targeting RVController
+#A product of Advanced Mesecons Devices, a Cheapie Systems company
+#This is free and unencumbered software released into the public domain.
+#See http://unlicense.org/ for more information
+
+#This file should always be linked first.
+#RVController has a default reset vector of 0,
+#therefore _start should end up as the first thing in the file.
+
+.section .text.startup
+_start:
+
+# Set up stack pointer
+li sp,0x10000
+
+# Call main function
+call main
+
+# Exit program
+li a7,10
+ecall
+
+# Shouldn't ever get here, will crash if it does
+ret
+
+.globl _start
diff --git a/c/rvcontroller-libraries/rvcontroller-init.o b/c/rvcontroller-libraries/rvcontroller-init.o
new file mode 100644
index 0000000..3f57faf
--- /dev/null
+++ b/c/rvcontroller-libraries/rvcontroller-init.o
diff --git a/c/squares/Makefile b/c/squares/Makefile
new file mode 100644
index 0000000..f957bfa
--- /dev/null
+++ b/c/squares/Makefile
@@ -0,0 +1,20 @@
+all: squares.hex
+
+squares.o: squares.c
+	clang -target riscv32-none-elf -I../rvcontroller-libraries -march=rv32imacb_zicntr_zicond_zicsr_zifencei_zihintpause_zilsd_zclsd_zabha_zacas_zbkb_zbkx_zcb_zcmp_zcmt -ffreestanding -O3 -c -o squares.o squares.c
+
+squares.elf: ../rvcontroller-libraries/rvcontroller-init.o ../rvcontroller-libraries/rvcontroller-ecalls.o squares.o
+	riscv32-none-elf-ld -T rvcontroller.ld --no-warn-rwx-segments -o squares.elf ../rvcontroller-libraries/rvcontroller-init.o squares.o ../rvcontroller-libraries/rvcontroller-ecalls.o
+
+dump: squares.elf
+	riscv32-none-elf-objdump -d squares.elf
+
+squares.hex: squares.elf
+	riscv32-none-elf-objcopy -O ihex squares.elf squares.hex
+
+load: squares.hex
+	bash -c "wl-copy < squares.hex"
+
+clean:
+	rm -f squares.bin squares.elf squares.o init.o
+
diff --git a/c/squares/rvcontroller.ld b/c/squares/rvcontroller.ld
new file mode 100644
index 0000000..985892b
--- /dev/null
+++ b/c/squares/rvcontroller.ld
@@ -0,0 +1,45 @@
+/* Thanks https://github.com/darklife/darkriscv */
+  __heap_size    = 0x200;  /* required amount of heap */
+  __stack_size  = 0x800;  /* required amount of stack */
+  ENTRY(_start);
+  MEMORY
+  {
+    RAM (rwx) : ORIGIN = 0x00000000, LENGTH = 0x10000
+  }
+  SECTIONS
+  {
+    .text :
+    {
+      *(.text.startup)
+      *(.text)
+      *(.text)
+      *(.rodata*)
+    } > RAM
+    .data :
+    {
+      *(.sbss)
+      *(.data)
+      *(.bss)
+      *(.rela*)
+      *(COMMON)
+    } > RAM
+
+    .heap :
+    {
+      . = ALIGN(4);
+      PROVIDE ( end = . );
+      _sheap = .;
+      . = . + __heap_size;
+      . = ALIGN(4);
+      _eheap = .;
+    } >RAM
+
+    .stack :
+    {
+      . = ALIGN(4);
+      _estack = .;
+      . = . + __stack_size;
+      . = ALIGN(4);
+      _sstack = .;
+    } >RAM
+  }
diff --git a/c/squares/squares.b b/c/squares/squares.b
new file mode 100644
index 0000000..b235485
--- /dev/null
+++ b/c/squares/squares.b
@@ -0,0 +1,8 @@
+++++[>+++++<-]>[<+++++>-]+<+[
+    >[>+>+<<-]++>>[<<+>>-]>>>[-]++>[-]+
+    >>>+[[-]++++++>>>]<<<[[<++++++++<++>>-]+<.<[>----<-]<]
+    <<[>>>>>[>>>[-]+++++++++<[>-<-]+++++++++>[-[<->-]+[<<<]]<[>+<-]>]<<-]<<-
+]
+[Outputs square numbers from 0 to 10000.
+Daniel B Cristofani (cristofdathevanetdotcom)
+http://www.hevanet.com/cristofd/brainfuck/]
diff --git a/c/squares/squares.c b/c/squares/squares.c
new file mode 100644
index 0000000..435ddff
--- /dev/null
+++ b/c/squares/squares.c
@@ -0,0 +1,169 @@
+/* This is a translation of squares.b, generated by bftoc.py (by Paul Kaefer)
+ * It was generated on Friday, May 15, 2026 at 07:20PM
+ */
+
+#include "rvcontroller-ecalls.h"
+
+void main(void)
+{
+    int size = 1000;
+    int tape[size];
+    int i = 0;
+
+    /* Clearing the tape (array) */
+    for (i=0; i<size; i++)
+        tape[i] = 0;
+
+    int ptr = 0;
+
+    tape[ptr] += 4;
+    while (tape[ptr] != 0)
+    {
+        ptr += 1;
+        tape[ptr] += 5;
+        ptr -= 1;
+        tape[ptr] -= 1;
+    }
+    ptr += 1;
+    while (tape[ptr] != 0)
+    {
+        ptr -= 1;
+        tape[ptr] += 5;
+        ptr += 1;
+        tape[ptr] -= 1;
+    }
+    tape[ptr] += 1;
+    ptr -= 1;
+    tape[ptr] += 1;
+    while (tape[ptr] != 0)
+    {
+        ptr += 1;
+        while (tape[ptr] != 0)
+        {
+            ptr += 1;
+            tape[ptr] += 1;
+            ptr += 1;
+            tape[ptr] += 1;
+            ptr -= 2;
+            tape[ptr] -= 1;
+        }
+        tape[ptr] += 2;
+        ptr += 2;
+        while (tape[ptr] != 0)
+        {
+            ptr -= 2;
+            tape[ptr] += 1;
+            ptr += 2;
+            tape[ptr] -= 1;
+        }
+        ptr += 3;
+        while (tape[ptr] != 0)
+        {
+            tape[ptr] -= 1;
+        }
+        tape[ptr] += 2;
+        ptr += 1;
+        while (tape[ptr] != 0)
+        {
+            tape[ptr] -= 1;
+        }
+        tape[ptr] += 1;
+        ptr += 3;
+        tape[ptr] += 1;
+        while (tape[ptr] != 0)
+        {
+            while (tape[ptr] != 0)
+            {
+                tape[ptr] -= 1;
+            }
+            tape[ptr] += 6;
+            ptr += 3;
+        }
+        ptr -= 3;
+        while (tape[ptr] != 0)
+        {
+            while (tape[ptr] != 0)
+            {
+                ptr -= 1;
+                tape[ptr] += 8;
+                ptr -= 1;
+                tape[ptr] += 2;
+                ptr += 2;
+                tape[ptr] -= 1;
+            }
+            tape[ptr] += 1;
+            ptr -= 1;
+            printchar(tape[ptr]);
+            ptr -= 1;
+            while (tape[ptr] != 0)
+            {
+                ptr += 1;
+                tape[ptr] -= 4;
+                ptr -= 1;
+                tape[ptr] -= 1;
+            }
+            ptr -= 1;
+        }
+        ptr -= 2;
+        while (tape[ptr] != 0)
+        {
+            ptr += 5;
+            while (tape[ptr] != 0)
+            {
+                ptr += 3;
+                while (tape[ptr] != 0)
+                {
+                    tape[ptr] -= 1;
+                }
+                tape[ptr] += 9;
+                ptr -= 1;
+                while (tape[ptr] != 0)
+                {
+                    ptr += 1;
+                    tape[ptr] -= 1;
+                    ptr -= 1;
+                    tape[ptr] -= 1;
+                }
+                tape[ptr] += 9;
+                ptr += 1;
+                while (tape[ptr] != 0)
+                {
+                    tape[ptr] -= 1;
+                    while (tape[ptr] != 0)
+                    {
+                        ptr -= 1;
+                        tape[ptr] -= 1;
+                        ptr += 1;
+                        tape[ptr] -= 1;
+                    }
+                    tape[ptr] += 1;
+                    while (tape[ptr] != 0)
+                    {
+                        ptr -= 3;
+                    }
+                }
+                ptr -= 1;
+                while (tape[ptr] != 0)
+                {
+                    ptr += 1;
+                    tape[ptr] += 1;
+                    ptr -= 1;
+                    tape[ptr] -= 1;
+                }
+                ptr += 1;
+            }
+            ptr -= 2;
+            tape[ptr] -= 1;
+        }
+        ptr -= 2;
+        tape[ptr] -= 1;
+    }
+    while (tape[ptr] != 0)
+    {
+        printchar(tape[ptr]);
+        printchar(tape[ptr]);
+        printchar(tape[ptr]);
+    }
+
+}
+
diff --git a/c/squares/squares.elf b/c/squares/squares.elf
new file mode 100755
index 0000000..e0050b8
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diff --git a/c/squares/squares.o b/c/squares/squares.o
new file mode 100644
index 0000000..64e0c71
--- /dev/null
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