Semi-working output, still no exall

end.s

@@ -0,0 +1,19 @@
+# Just print the word 'exit' to the address 0x10000000
+.globl end
+end:
+    addi a0, x0, 0x65 # 'e'
+    li a1, 0x10000000
+    sb a0, (a1)
+
+    addi a0, x0, 0x78 # 'x'
+    sb a0, (a1)
+
+    addi a0, x0, 0x69 # 'i'
+    sb a0, (a1)
+
+    addi a0, x0, 0x74 # 't'
+    sb a0, (a1)
+
+    addi a0, x0, 0x0A
+    sb a0, (a1) # '\n'
+    ret

main.s

@@ -5,11 +5,19 @@
     num2: .word 7     # Second number
     result: .word 0   # Variable to store the result
     msg: .ascii "Hello, World!\n"
+    array: .space 100 # 100 bytes of space
 
 # Main program entry point
+.globl start
 .text
-.global _start
+start:
-.align 4
+    call test_routine
+    call hello_manual
+    # call hello # This doesn't work
+    call end
+    ebreak
+
+# Arbitrary test routine
 test_routine:
     la a0, num1    # Load the address of num1 into register a6
     li a1, 10      # Load the value 10 into register a5
@@ -17,31 +25,8 @@ test_routine:
     sw a1, 0(a0)    # Store the value in memory
     ret
 
-_start:
+# Prints "hello" manually
-    call h2
+hello_manual:	
-    call test_routine
-    call hello
-
-    # Load the first number into register t0
-    lw t0, num1
-
-    # Load the second number into register t1
-    lw t1, num2
-
-    # Add the two numbers and store the result in register t2
-    add t2, t0, t1
-
-    # Store the result in memory
-    la t3, result
-    sw t2, 0(t3)
-
-    # Call _hello
-    la a0, result
-
-    # End program
-    ecall
-
-h2:
     addi a0, x0, 0x68
 	li a1, 0x10000000
 	sb a0, (a1) # 'h'
@@ -57,8 +42,12 @@ h2:
 
 	addi a0, x0, 0x6F
 	sb a0, (a1) # 'o'
+
+    addi a0, x0, 0x0A
+    sb a0, (a1) # '\n'
     ret
 
+# Is supposed to print "Hello, World!\n" to stdout via ecall, but doesn't work
 hello:
     # Write the string "Hello, World!\n" to stdout
     la a0, msg              # Load the address of the string into a0
@@ -68,6 +57,13 @@ hello:
     ecall                   # Make the system call to write
     ret                     # Return from the function
 
-# To avoid the program from exiting
+# Another routine, presumably written for the rars emulator?
-loop: j loop
+hello2:
+    li a0, 0x1
+    la a1, msg
+    li a2, 13
+    li a7, 64
+    ecall
 
+# To avoid the program from exiting
+loop: j loop