diff --git a/C/forloop/Makefile b/C/forloop/Makefile
new file mode 100644
index 0000000..ed1360b
--- /dev/null
+++ b/C/forloop/Makefile
@@ -0,0 +1,50 @@
+TARGET   = trace
+
+TARGET_ARCH=riscv32
+
+CC       = riscv32-unknown-linux-gnu-gcc
+# compiling flags here
+#CFLAGS   = -Wall -I. -O0 -nostartfiles  -march=rv32i -mabi=ilp32
+CFLAGS = -Wall -I. -O0 -nostdlib -march=rv32i -mabi=ilp32
+
+LINKER   = riscv32-unknown-linux-gnu-gcc
+# linking flags here
+LFLAGS   = -I.
+LIBS   = $(EXTRA_LIBS)
+
+
+# change these to proper directories where each file should be
+SRCDIR   = ./
+OBJDIR   = .
+BINDIR   = ./
+INCDIR = -I.
+LIBDIR = -L.
+
+
+SOURCES  := $(wildcard $(SRCDIR)/*.c)
+INCLUDES := $(wildcard $(INCDIR)/*.h)
+OBJECTS  := $(SOURCES:$(SRCDIR)/%.c=$(OBJDIR)/%.o)
+rm       = rm -f
+
+
+$(BINDIR)/$(TARGET): $(OBJECTS)
+#	$(LINKER) $(OBJECTS) $(LFLAGS) $(LIBS) $(LIBDIR) -o $@
+	riscv32-unknown-linux-gnu-objdump -d $< > dump
+	objcopy -Oihex $< $(TARGET).hex
+#	@echo "Linking complete!"
+
+$(OBJECTS): $(OBJDIR)/%.o : $(SRCDIR)/%.c
+	@echo "Compiling "$<" ..."
+#	$(CC) $(CFLAGS) $(INCDIR) -c $< -o $@
+	$(CC) $(CFLAGS) $(INCDIR) $< -o $@
+	@echo "Done!"
+
+.PHONY: clean
+clean:
+	@$(rm) $(OBJECTS)
+	@echo "Cleanup complete!"
+
+.PHONY: remove
+remove: clean
+	@$(rm) $(BINDIR)/$(TARGET)
+	@echo "Executable removed!"
diff --git a/C/forloop/dump b/C/forloop/dump
new file mode 100644
index 0000000..57df0e5
--- /dev/null
+++ b/C/forloop/dump
@@ -0,0 +1,25 @@
+
+forloop.o:     file format elf32-littleriscv
+
+
+Disassembly of section .text:
+
+00010074 <main>:
+   10074:	fe010113          	addi	sp,sp,-32
+   10078:	00812e23          	sw	s0,28(sp)
+   1007c:	02010413          	addi	s0,sp,32
+   10080:	fe042623          	sw	zero,-20(s0)
+   10084:	01c0006f          	j	100a0 <main+0x2c>
+   10088:	fec42783          	lw	a5,-20(s0)
+   1008c:	00578793          	addi	a5,a5,5
+   10090:	fef42423          	sw	a5,-24(s0)
+   10094:	fec42783          	lw	a5,-20(s0)
+   10098:	00178793          	addi	a5,a5,1
+   1009c:	fef42623          	sw	a5,-20(s0)
+   100a0:	fec42703          	lw	a4,-20(s0)
+   100a4:	00900793          	li	a5,9
+   100a8:	fee7d0e3          	ble	a4,a5,10088 <main+0x14>
+   100ac:	00000013          	nop
+   100b0:	01c12403          	lw	s0,28(sp)
+   100b4:	02010113          	addi	sp,sp,32
+   100b8:	00008067          	ret
diff --git a/C/forloop/forloop.c b/C/forloop/forloop.c
new file mode 100644
index 0000000..65b50f1
--- /dev/null
+++ b/C/forloop/forloop.c
@@ -0,0 +1,8 @@
+void main(void) {
+  volatile int i;
+  volatile int a;
+
+  for(i=0;i<10;i++) {
+    a=i+5;
+  }
+}
diff --git a/C/trace/Makefile b/C/trace/Makefile
new file mode 100644
index 0000000..ed1360b
--- /dev/null
+++ b/C/trace/Makefile
@@ -0,0 +1,50 @@
+TARGET   = trace
+
+TARGET_ARCH=riscv32
+
+CC       = riscv32-unknown-linux-gnu-gcc
+# compiling flags here
+#CFLAGS   = -Wall -I. -O0 -nostartfiles  -march=rv32i -mabi=ilp32
+CFLAGS = -Wall -I. -O0 -nostdlib -march=rv32i -mabi=ilp32
+
+LINKER   = riscv32-unknown-linux-gnu-gcc
+# linking flags here
+LFLAGS   = -I.
+LIBS   = $(EXTRA_LIBS)
+
+
+# change these to proper directories where each file should be
+SRCDIR   = ./
+OBJDIR   = .
+BINDIR   = ./
+INCDIR = -I.
+LIBDIR = -L.
+
+
+SOURCES  := $(wildcard $(SRCDIR)/*.c)
+INCLUDES := $(wildcard $(INCDIR)/*.h)
+OBJECTS  := $(SOURCES:$(SRCDIR)/%.c=$(OBJDIR)/%.o)
+rm       = rm -f
+
+
+$(BINDIR)/$(TARGET): $(OBJECTS)
+#	$(LINKER) $(OBJECTS) $(LFLAGS) $(LIBS) $(LIBDIR) -o $@
+	riscv32-unknown-linux-gnu-objdump -d $< > dump
+	objcopy -Oihex $< $(TARGET).hex
+#	@echo "Linking complete!"
+
+$(OBJECTS): $(OBJDIR)/%.o : $(SRCDIR)/%.c
+	@echo "Compiling "$<" ..."
+#	$(CC) $(CFLAGS) $(INCDIR) -c $< -o $@
+	$(CC) $(CFLAGS) $(INCDIR) $< -o $@
+	@echo "Done!"
+
+.PHONY: clean
+clean:
+	@$(rm) $(OBJECTS)
+	@echo "Cleanup complete!"
+
+.PHONY: remove
+remove: clean
+	@$(rm) $(BINDIR)/$(TARGET)
+	@echo "Executable removed!"
diff --git a/C/trace/dump b/C/trace/dump
new file mode 100644
index 0000000..8b42e14
--- /dev/null
+++ b/C/trace/dump
@@ -0,0 +1,20 @@
+
+trace.o:     file format elf32-littleriscv
+
+
+Disassembly of section .text:
+
+00010074 <main>:
+   10074:	ff010113          	addi	sp,sp,-16
+   10078:	00812623          	sw	s0,12(sp)
+   1007c:	01010413          	addi	s0,sp,16
+   10080:	400007b7          	lui	a5,0x40000
+   10084:	04800713          	li	a4,72
+   10088:	00e78023          	sb	a4,0(a5) # 40000000 <__global_pointer$+0x3ffee758>
+   1008c:	400007b7          	lui	a5,0x40000
+   10090:	06500713          	li	a4,101
+   10094:	00e78023          	sb	a4,0(a5) # 40000000 <__global_pointer$+0x3ffee758>
+   10098:	00000013          	nop
+   1009c:	00c12403          	lw	s0,12(sp)
+   100a0:	01010113          	addi	sp,sp,16
+   100a4:	00008067          	ret
diff --git a/C/trace/trace.c b/C/trace/trace.c
new file mode 100644
index 0000000..7597464
--- /dev/null
+++ b/C/trace/trace.c
@@ -0,0 +1,7 @@
+
+#define TRACE (*(unsigned char *)0x40000000)
+
+void main(void) {
+  TRACE = 'H';
+  TRACE = 'e';
+}
diff --git a/C/trace2/Makefile b/C/trace2/Makefile
new file mode 100644
index 0000000..6e98f6d
--- /dev/null
+++ b/C/trace2/Makefile
@@ -0,0 +1,50 @@
+TARGET   = trace2
+
+TARGET_ARCH=riscv32
+
+CC       = riscv32-unknown-linux-gnu-gcc
+# compiling flags here
+#CFLAGS   = -Wall -I. -O0 -nostartfiles  -march=rv32i -mabi=ilp32
+CFLAGS = -Wall -I. -O0 -nostdlib -march=rv32i -mabi=ilp32
+
+LINKER   = riscv32-unknown-linux-gnu-gcc
+# linking flags here
+LFLAGS   = -I.
+LIBS   = $(EXTRA_LIBS)
+
+
+# change these to proper directories where each file should be
+SRCDIR   = ./
+OBJDIR   = .
+BINDIR   = ./
+INCDIR = -I.
+LIBDIR = -L.
+
+
+SOURCES  := $(wildcard $(SRCDIR)/*.c)
+INCLUDES := $(wildcard $(INCDIR)/*.h)
+OBJECTS  := $(SOURCES:$(SRCDIR)/%.c=$(OBJDIR)/%.o)
+rm       = rm -f
+
+
+$(BINDIR)/$(TARGET): $(OBJECTS)
+#	$(LINKER) $(OBJECTS) $(LFLAGS) $(LIBS) $(LIBDIR) -o $@
+	riscv32-unknown-linux-gnu-objdump -d $< > dump
+	objcopy -Oihex $< $(TARGET).hex
+#	@echo "Linking complete!"
+
+$(OBJECTS): $(OBJDIR)/%.o : $(SRCDIR)/%.c
+	@echo "Compiling "$<" ..."
+#	$(CC) $(CFLAGS) $(INCDIR) -c $< -o $@
+	$(CC) $(CFLAGS) $(INCDIR) $< -o $@
+	@echo "Done!"
+
+.PHONY: clean
+clean:
+	@$(rm) $(OBJECTS)
+	@echo "Cleanup complete!"
+
+.PHONY: remove
+remove: clean
+	@$(rm) $(BINDIR)/$(TARGET)
+	@echo "Executable removed!"
diff --git a/C/trace2/dump b/C/trace2/dump
new file mode 100644
index 0000000..805608f
--- /dev/null
+++ b/C/trace2/dump
@@ -0,0 +1,28 @@
+
+trace2.o:     file format elf32-littleriscv
+
+
+Disassembly of section .text:
+
+00010074 <main>:
+   10074:	fe010113          	addi	sp,sp,-32
+   10078:	00812e23          	sw	s0,28(sp)
+   1007c:	02010413          	addi	s0,sp,32
+   10080:	fe042623          	sw	zero,-20(s0)
+   10084:	0280006f          	j	100ac <main+0x38>
+   10088:	fec42783          	lw	a5,-20(s0)
+   1008c:	0ff7f713          	andi	a4,a5,255
+   10090:	400007b7          	lui	a5,0x40000
+   10094:	06170713          	addi	a4,a4,97
+   10098:	0ff77713          	andi	a4,a4,255
+   1009c:	00e78023          	sb	a4,0(a5) # 40000000 <__global_pointer$+0x3ffee738>
+   100a0:	fec42783          	lw	a5,-20(s0)
+   100a4:	00178793          	addi	a5,a5,1
+   100a8:	fef42623          	sw	a5,-20(s0)
+   100ac:	fec42703          	lw	a4,-20(s0)
+   100b0:	00900793          	li	a5,9
+   100b4:	fce7dae3          	ble	a4,a5,10088 <main+0x14>
+   100b8:	00000013          	nop
+   100bc:	01c12403          	lw	s0,28(sp)
+   100c0:	02010113          	addi	sp,sp,32
+   100c4:	00008067          	ret
diff --git a/C/trace2/trace2.c b/C/trace2/trace2.c
new file mode 100644
index 0000000..18274f7
--- /dev/null
+++ b/C/trace2/trace2.c
@@ -0,0 +1,9 @@
+
+#define TRACE (*(unsigned char *)0x40000000)
+
+void main(void) {
+  int i;
+  for(i=0;i<10;i++) {
+    TRACE = 'a' + i;
+  }
+}
diff --git a/C/trace3/Makefile b/C/trace3/Makefile
new file mode 100644
index 0000000..0abc24f
--- /dev/null
+++ b/C/trace3/Makefile
@@ -0,0 +1,50 @@
+TARGET   = trace3
+
+TARGET_ARCH=riscv32
+
+CC       = riscv32-unknown-linux-gnu-gcc
+# compiling flags here
+#CFLAGS   = -Wall -I. -O0 -nostartfiles  -march=rv32i -mabi=ilp32
+CFLAGS = -Wall -I. -O0 -nostdlib -march=rv32i -mabi=ilp32
+
+LINKER   = riscv32-unknown-linux-gnu-gcc
+# linking flags here
+LFLAGS   = -I.
+LIBS   = $(EXTRA_LIBS)
+
+
+# change these to proper directories where each file should be
+SRCDIR   = ./
+OBJDIR   = .
+BINDIR   = ./
+INCDIR = -I.
+LIBDIR = -L.
+
+
+SOURCES  := $(wildcard $(SRCDIR)/*.c)
+INCLUDES := $(wildcard $(INCDIR)/*.h)
+OBJECTS  := $(SOURCES:$(SRCDIR)/%.c=$(OBJDIR)/%.o)
+rm       = rm -f
+
+
+$(BINDIR)/$(TARGET): $(OBJECTS)
+#	$(LINKER) $(OBJECTS) $(LFLAGS) $(LIBS) $(LIBDIR) -o $@
+	riscv32-unknown-linux-gnu-objdump -d $< > dump
+	objcopy -Oihex $< $(TARGET).hex
+#	@echo "Linking complete!"
+
+$(OBJECTS): $(OBJDIR)/%.o : $(SRCDIR)/%.c
+	@echo "Compiling "$<" ..."
+#	$(CC) $(CFLAGS) $(INCDIR) -c $< -o $@
+	$(CC) $(CFLAGS) $(INCDIR) $< -o $@
+	@echo "Done!"
+
+.PHONY: clean
+clean:
+	@$(rm) $(OBJECTS)
+	@echo "Cleanup complete!"
+
+.PHONY: remove
+remove: clean
+	@$(rm) $(BINDIR)/$(TARGET)
+	@echo "Executable removed!"
diff --git a/C/trace3/dump b/C/trace3/dump
new file mode 100644
index 0000000..7292827
--- /dev/null
+++ b/C/trace3/dump
@@ -0,0 +1,42 @@
+
+trace3.o:     file format elf32-littleriscv
+
+
+Disassembly of section .text:
+
+00010074 <main>:
+   10074:	fd010113          	addi	sp,sp,-48
+   10078:	02812623          	sw	s0,44(sp)
+   1007c:	03010413          	addi	s0,sp,48
+   10080:	000107b7          	lui	a5,0x10
+   10084:	1007a603          	lw	a2,256(a5) # 10100 <main+0x8c>
+   10088:	10078713          	addi	a4,a5,256
+   1008c:	00472683          	lw	a3,4(a4)
+   10090:	10078713          	addi	a4,a5,256
+   10094:	00872703          	lw	a4,8(a4)
+   10098:	fcc42e23          	sw	a2,-36(s0)
+   1009c:	fed42023          	sw	a3,-32(s0)
+   100a0:	fee42223          	sw	a4,-28(s0)
+   100a4:	10078793          	addi	a5,a5,256
+   100a8:	00c7c783          	lbu	a5,12(a5)
+   100ac:	fef40423          	sb	a5,-24(s0)
+   100b0:	fe042623          	sw	zero,-20(s0)
+   100b4:	0280006f          	j	100dc <main+0x68>
+   100b8:	400007b7          	lui	a5,0x40000
+   100bc:	fec42703          	lw	a4,-20(s0)
+   100c0:	ff040693          	addi	a3,s0,-16
+   100c4:	00e68733          	add	a4,a3,a4
+   100c8:	fec74703          	lbu	a4,-20(a4)
+   100cc:	00e78023          	sb	a4,0(a5) # 40000000 <__global_pointer$+0x3ffee6f3>
+   100d0:	fec42783          	lw	a5,-20(s0)
+   100d4:	00178793          	addi	a5,a5,1
+   100d8:	fef42623          	sw	a5,-20(s0)
+   100dc:	fec42783          	lw	a5,-20(s0)
+   100e0:	ff040713          	addi	a4,s0,-16
+   100e4:	00f707b3          	add	a5,a4,a5
+   100e8:	fec7c783          	lbu	a5,-20(a5)
+   100ec:	fc0796e3          	bnez	a5,100b8 <main+0x44>
+   100f0:	00000013          	nop
+   100f4:	02c12403          	lw	s0,44(sp)
+   100f8:	03010113          	addi	sp,sp,48
+   100fc:	00008067          	ret
diff --git a/C/trace3/trace3.c b/C/trace3/trace3.c
new file mode 100644
index 0000000..8ce1430
--- /dev/null
+++ b/C/trace3/trace3.c
@@ -0,0 +1,12 @@
+#define TRACE (*(unsigned char *)0x40000000)
+
+
+
+void main(void) {
+  char msg[] = "Hello world\n";
+  int i;
+
+  for (i=0; msg[i] != '\0'; i++) {
+    TRACE = msg[i];
+  }
+}