Merge branch 'geocal/master'

a/assembler_intel.asm

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+; hello_world.asm intel 
+
+.model small
+
+.stack 100h
+
+.data
+msg db "Hello World!",'$'
+
+.code
+main proc
+        mov ax,@data
+        mov ds, ax
+
+; hello-world is there 
+        mov dx,offset msg
+        mov ah,09
+        int 21h
+
+        mov ax,4c00h
+        int 21h
+
+main endp
+end main

r/rexx.rexx

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+<<hello.rexx>>=
+Say "Hello, World!"