asm: adding example files

asm/hello_world.as

@@ -0,0 +1,33 @@
+
+; -- Store "Hello World" string in memory.
+movl 	$1, 72 ; H
+sw	$0, $1, 0
+movl 	$1, 69 ; E
+sw	$0, $1, 1
+movl 	$1, 76 ; L
+sw	$0, $1, 2
+sw	$0, $1, 3
+movl 	$1, 79 ; O
+sw	$0, $1, 4
+movl 	$1, 32 ; Space
+sw	$0, $1, 5
+movl 	$1, 87 ; W
+sw	$0, $1, 6
+movl 	$1, 79 ; O
+sw	$0, $1, 7
+movl 	$1, 82 ; R
+sw	$0, $1, 8
+movl 	$1, 76 ; L
+sw	$0, $1, 9
+movl 	$1, 68 ; D
+sw	$0, $1, 10
+
+; -- setup print loop.
+movl 	$1, 1		; Load 1 in R1 (used for increment the counter)
+_start:
+ld	$15, $0, 0	; Load memory address stored in R0 into R15
+int     $10, 2		; Print character
+add 	$0, $0, $1	; Add 1 (R1) to counter (R0)
+beq	$15, $2, 1	; Branch to "noop" (skipping next instruction) if R15 = 0 (R2 holds 0)
+jmp     22		; jump back to "_start" label (not implemented atm)
+noop

asm/test.as

@@ -0,0 +1,15 @@
+; NOTE: This is just to check the syntax.
+; No logic behind any of the instructions (will prob crash)
+movl 	$0, 3
+movl 	$5, 6500
+; Comment
+noop    ; Comment
+start0: add  	$3, $0, $1
+sw	$2, $3, $2
+ld	$5, $0, $3
+beq	$0, $1, 1
+beq	$0, $1, -25
+beq	$0, $1, -4000
+jr	$5, 0
+int 	$0,    1
+jmp	5