Initial commit

3 files changed, 49 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..64435ba
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,11 @@
+all: prog1
+
+prog1: prog1.o
+	ld -m elf_i386 -o $@ $<
+
+prog1.o: prog1.asm
+	nasm -f elf -g -o $@ $<
+
+.PHONY: clean
+clean:
+	rm -rf *.o prog1
diff --git a/prog1 b/prog1
new file mode 100755
index 0000000..de7e4ce
--- /dev/null
+++ b/prog1
diff --git a/prog1.asm b/prog1.asm
new file mode 100644
index 0000000..bf69e45
--- /dev/null
+++ b/prog1.asm
@@ -0,0 +1,38 @@
+global _start
+
+section .text
+
+; while edx <= ecx
+loop:
+	cmp ecx, edx
+	jle exit
+
+	; ebx++
+	add edx, 1
+	
+	; loop()
+	jmp loop
+
+exit:
+	; exit value is edx, let's put it in ebx
+	mov ebx, edx
+	
+	; clear registers
+	mov edx, 0
+	mov ecx, 0
+
+	; initate exit syscall
+	; exit(ebx)
+	mov eax, 1
+	int 80h
+	ret
+	
+_start:
+	mov eax, 0
+	mov edx, 0
+	mov ecx, 255
+	jmp loop
+
+	; exit is ebx
+	;mov ebx, 0
+