include pd, rn, rm into build and image

src/cmd/pd/pd.s

@@ -0,0 +1,59 @@
+" ** 11-45-91.pdf page 1
+" pd
+	
+   sys open; dotdot; 0
+   spa; jms error
+   dac df
+   law dir-1
+   dac 8
+1:
+   lac df
+   sys read; tbuf; 8
+   spa; jms error
+   sna
+   jmp 1f
+   lac tbuf
+   sna
+   jmp 1b
+   -8
+   dac c1
+   law tbuf-1
+   dac 9
+2:
+   lac 9 i
+   dac 8 i
+   isz c1
+   jmp 2b
+   jmp 1b
+
+1:
+   lac df
+   sys close
+   law 017
+   sys creat; dotdot
+   spa; jms error
+   dac df
+   law dir-2
+   cma
+   tad 8
+   dac .+4
+   lac df
+   sys write; dir; ..
+   spa; jms error
+   lac df
+   sys close
+   sys exit
+
+error: 0
+   -1
+   tad error
+   hlt
+   sys save
+
+dotdot:
+   056056; 040040; 040040; 040040
+
+c1: .=.+1
+df: .=.+1
+tbuf: .=.+8
+dir:

src/cmd/rm/rm.s

@@ -0,0 +1,33 @@
+" ** 11-45-91.pdf page 7
+" rm
+
+   lac 017777
+   tad d1
+   dac 2f
+1:
+   lac 017777 i
+   sad d4
+   sys exit
+   tad dm4
+   dac 017777 i
+   lac 2f
+   tad d4
+   dac 2f
+   sys unlink; 2: 0
+   sma
+   jmp 1b
+   lac 2b
+   dac 2f
+   lac d1
+   sys write; 2: 0; 4
+   lac d1
+   sys write; 1f; 2f-1f
+   jmp 1b
+1:
+   040077;012000
+2:
+
+d1: 1
+d4: 4
+dm4: -4
+

src/cmd/rn/rn.s

@@ -0,0 +1,54 @@
+" ** 11-45-91.pdf page 8
+" rn
+
+   lac 017777
+   tad d1
+   dac name2
+loop:	
+   lac 017777 i
+   sad d4
+   sys exit
+   sad d8
+   jmp unbal
+   tad dm8
+   dac 017777 i
+   lac name2
+   tad d4
+   dac name1
+   tad d4
+   dac name2
+   sys unlink; name2: 0
+   lac name2
+   dac 1f
+   sys rename; name1: 0; 1: 0
+   sma
+   jmp loop
+   lac name1
+   dac 1f
+   lac d1
+   sys write; 1: 0; 4
+   lac d1
+   sys write; mes; 1
+   lac name2
+   dac 1f
+   lac d1
+   sys write; 1: 0; 4
+   lac d1
+   sys write; mes; 2
+   jmp loop
+mes:
+   040000;077012
+unbal:
+   lac name2
+   tad d4
+   dac 1f
+   lac d1
+   sys write; 1: 0; 4
+   lac d1
+   sys write; mes; 2
+   sys exit
+
+d1: 1
+d4: 4
+d8: 8
+dm8: -8