Added Assembler Pdp11 Palx

Fixes: #568
Co-Authored-By: Lars Brinkhoff <lars.spam@nocrew.org>

README.md

@@ -103,6 +103,7 @@ Meet [FizzBuzz](https://github.com/zenware/FizzBuzz), the evolution of [hello-wo
 * [Assembler Nasm Macho64](a/assembler_nasm_macho64.asm)
 * [Assembler Nasm Win32](a/assembler_nasm_win32.asm)
 * [Assembler Pdp10 Midas](a/assembler_pdp10_midas.mid)
+* [Assembler Pdp11 Palx](a/assembler_pdp11_palx.palx)
 * [Assembler Tasm Dos](a/assembler_tasm_dos.asm)
 * [Assembler Tms9900 Ti99 4A](a/assembler_tms9900_ti99_4a.asm)
 * [Assembler Vax Ultrix](a/assembler_vax_ultrix.asm)
@@ -112,7 +113,7 @@ Meet [FizzBuzz](https://github.com/zenware/FizzBuzz), the evolution of [hello-wo
 * [Attache](a/Attache.%40)
 * [Autohotkey](a/autohotkey.ahk)
 * [Autoit](a/autoit.au3)
-* [AviSynth](a/avisynth.avs)
+* [Avisynth](a/avisynth.avs)
 * [Awful](a/awful.yuk)
 * [Awk](a/awk.awk)
 * [B](b/B.b)

a/assembler_pdp11_palx.palx

@@ -0,0 +1,23 @@
+	.TITLE Hello World
+
+R0=%0
+R1=%1
+TPS==177564
+TPB==177566
+
+	.=400
+
+START:	MOV #1,@#TPS
+	MOV #HELLO,R0
+LOOP:	TSTB @#TPS
+	BPL LOOP
+	MOVB (R0)+,R1
+	BEQ STOP
+	MOVB R1,@#TPB
+	BR LOOP
+
+STOP:	HALT
+
+HELLO:	.ASCIZ /Hello World/
+
+	.END START