Data commit

Task/Reverse-a-string/LC3-Assembly/reverse-a-string.lc3

@@ -0,0 +1,35 @@
+        .ORIG      0x3000
+
+        LEA        R1,STRING
+        LEA        R2,GNIRTS
+        LD         R3,MINUS1
+        NOT        R5,R1
+        ADD        R5,R5,1
+
+SCAN    LDR        R4,R1,0
+        BRZ        COPY
+        ADD        R1,R1,1
+        BRNZP      SCAN
+
+COPY    ADD        R1,R1,R3
+        ADD        R4,R1,R5
+        BRN        COPIED
+        LDR        R4,R1,0
+        STR        R4,R2,0
+        ADD        R2,R2,1
+        BRNZP      COPY
+
+COPIED  AND        R4,R4,0
+        STR        R4,R2,0
+
+        LEA        R0,GNIRTS
+        PUTS
+
+        HALT
+
+MINUS1  .FILL      0xFFFF
+
+STRING  .STRINGZ   "If thou beest he -- but O how fall'n! how chang'd"
+GNIRTS  .BLKW      128
+
+        .END