demos/3dcube2: Post-SVN tidy

- Move source code from `trunk` into root directory.
- Update build files and ASM include paths.
- Note: Line endings standardised from `CRLF` > `LF`, so best to view diffs with whitespace changes hidden.

data/Tupfile.lua

@@ -449,7 +449,7 @@ tup.append_table(img_files, {
  {"ZKEY", VAR_PROGS .. "/system/zkey/trunk/ZKEY"},
  {"3D/3DWAV", VAR_PROGS .. "/demos/3dwav/trunk/3dwav"},
  {"3D/CROWNSCR", VAR_PROGS .. "/demos/crownscr/trunk/crownscr"},
- {"3D/3DCUBE2", VAR_PROGS .. "/demos/3dcube2/trunk/3DCUBE2"},
+ {"3D/3DCUBE2", VAR_PROGS .. "/demos/3dcube2/3DCUBE2"},
  {"3D/FREE3D04", VAR_PROGS .. "/demos/free3d04/trunk/free3d04"},
  {"3D/GEARS", VAR_PROGS .. "/develop/libraries/TinyGL/asm_fork/examples/gears"},
  {"3D/RAY", VAR_PROGS .. "/demos/ray/ray"},

programs/build_all.bat

@@ -201,7 +201,7 @@ rem fasm games\hunter\trunk\hunter.asm %BIN%\games\hunter
 echo *
 echo Building demos
 echo *
-fasm demos\3dcube2\trunk\3dcube2.asm %BIN%\3d\3dcube2
+fasm demos\3dcube2\3dcube2.asm %BIN%\3d\3dcube2
 rem fasm demos\3detx60b\trunk\3detx60b.asm %BIN%\3d\3detx60b
 fasm demos\3dtcub10\trunk\3dtcub10.asm %BIN%\3d\3dtcub10
 cd demos\aclock\trunk\

programs/demos/3dcube2/3DCUBE2.ASM

@@ -1,3 +1,6 @@
+; SPDX-License-Identifier: NOASSERTION
+;
+
 ;
 ; 3D POLYGONAL CUBE - ASCL
 ;
@@ -23,7 +26,7 @@ MAX_TRIANGLES equ 12
 SCREEN_X equ 320
 SCREEN_Y equ 200
 
-include '..\..\..\macros.inc'
+include '..\..\macros.inc'
 ;purge mov
 
 START:

programs/demos/3dcube2/Tupfile.lua

@@ -1,5 +1,5 @@
 if tup.getconfig("NO_FASM") ~= "" then return end
-HELPERDIR = (tup.getconfig("HELPERDIR") == "") and "../../.." or tup.getconfig("HELPERDIR")
+HELPERDIR = (tup.getconfig("HELPERDIR") == "") and "../.." or tup.getconfig("HELPERDIR")
 tup.include(HELPERDIR .. "/use_fasm.lua")
 add_include(tup.getvariantdir())