--- a/compal/c139-boot.disasm	Mon Mar 31 00:43:15 2014 +0000
+++ b/compal/c139-boot.disasm	Mon Mar 31 01:05:44 2014 +0000
@@ -13,6 +13,11 @@
       24:	444efc58
       28:	444efc86
       2c:	444efc87
+; different in the C140 specimen:
+      20:	44b1b707
+      24:	44b1b708
+      28:	44b1b735
+      2c:	44b1b736
 
 <30-7FF: all FFs>
 
@@ -51,58 +56,61 @@
      89a:	0000
 
 ; RESET entry point
-     89c:	e51f1020 	ldr	r1, [pc, #-32]	; 0x884	=0xfffffd00
-     8a0:	e1d120b2 	ldrh	r2, [r1, #2]
-     8a4:	e51f002c 	ldr	r0, [pc, #-44]	; 0x880	=0x00000040
-     8a8:	e1800002 	orr	r0, r0, r2
-     8ac:	e1c100b2 	strh	r0, [r1, #2]
-     8b0:	e51f1030 	ldr	r1, [pc, #-48]	; 0x888	=0xffff9800
-     8b4:	e15f22b6 	ldrh	r2, [pc, #-38]	; 0x896	=0x2006
-     8b8:	e1c120b0 	strh	r2, [r1]
-     8bc:	e5912000 	ldr	r2, [r1]
-     8c0:	e2022001 	and	r2, r2, #1	; 0x1
-     8c4:	e3520001 	cmp	r2, #1	; 0x1
-     8c8:	0afffffb 	beq	0x8bc
-     8cc:	e51f1050 	ldr	r1, [pc, #-80]	; 0x884	=0xfffffd00
-     8d0:	e15f24b4 	ldrh	r2, [pc, #-68]	; 0x894	=0x1081
-     8d4:	e1c120b0 	strh	r2, [r1]
-     8d8:	e51f1054 	ldr	r1, [pc, #-84]	; 0x88c	=0xfffffb10
-     8dc:	e15f24bc 	ldrh	r2, [pc, #-76]	; 0x898	=0x898
-     8e0:	e1d100b0 	ldrh	r0, [r1]
-     8e4:	e1800002 	orr	r0, r0, r2
-     8e8:	e1c100b0 	strh	r0, [r1]
-     8ec:	e51f1064 	ldr	r1, [pc, #-100]	; 0x890
-     8f0:	e15f25be 	ldrh	r2, [pc, #-94]	; 0x89a
-     8f4:	e1c120b0 	strh	r2, [r1]
-     8f8:	e51f1094 	ldr	r1, [pc, #-148]	; 0x86c
-     8fc:	e15f29b4 	ldrh	r2, [pc, #-148]	; 0x870
-     900:	e1c120b0 	strh	r2, [r1]
-     904:	e15f29ba 	ldrh	r2, [pc, #-154]	; 0x872
-     908:	e1c120b2 	strh	r2, [r1, #2]
-     90c:	e15f2ab0 	ldrh	r2, [pc, #-160]	; 0x874
-     910:	e1c120b4 	strh	r2, [r1, #4]
-     914:	e15f2ab6 	ldrh	r2, [pc, #-166]	; 0x876
-     918:	e1c120b6 	strh	r2, [r1, #6]
-     91c:	e15f2abc 	ldrh	r2, [pc, #-172]	; 0x878
-     920:	e1c120ba 	strh	r2, [r1, #10]
-     924:	e15f2bb2 	ldrh	r2, [pc, #-178]	; 0x87a
-     928:	e1c120bc 	strh	r2, [r1, #12]
-     92c:	e15f2bb8 	ldrh	r2, [pc, #-184]	; 0x87c
-     930:	e1c120b8 	strh	r2, [r1, #8]
-     934:	e15f2bbe 	ldrh	r2, [pc, #-190]	; 0x87e
-     938:	e1c120be 	strh	r2, [r1, #14]
-     93c:	e59f0020 	ldr	r0, [pc, #32]	; 0x964
-     940:	e3a01b01 	mov	r1, #1024	; 0x400
-     944:	e2411004 	sub	r1, r1, #4	; 0x4
-     948:	e0802001 	add	r2, r0, r1
-     94c:	e3c22003 	bic	r2, r2, #3	; 0x3
-     950:	e1a0d002 	mov	sp, r2
-     954:	e92d100f 	stmdb	sp!, {r0, r1, r2, r3, r12}
-     958:	eb000534 	bl	0x1e30
-     95c:	e8bd100f 	ldmia	sp!, {r0, r1, r2, r3, r12}
-     960:	ea0005e4 	b	0x20f8
+     89c:	e51f1020	ldr	r1, =0xfffffd00	; via 0x884
+     8a0:	e1d120b2	ldrh	r2, [r1, #2]
+     8a4:	e51f002c	ldr	r0, =0x40	; via 0x880
+     8a8:	e1800002	orr	r0, r0, r2
+     8ac:	e1c100b2	strh	r0, [r1, #2]
+     8b0:	e51f1030	ldr	r1, =0xffff9800	; via 0x888
+     8b4:	e15f22b6	ldrh	r2, =0x2006	; via 0x896
+     8b8:	e1c120b0	strh	r2, [r1]
+     8bc:	e5912000	ldr	r2, [r1]
+     8c0:	e2022001	and	r2, r2, #1
+     8c4:	e3520001	cmp	r2, #1
+     8c8:	0afffffb	beq	0x8bc
+     8cc:	e51f1050	ldr	r1, =0xfffffd00	; via 0x884
+     8d0:	e15f24b4	ldrh	r2, =0x1081	; via 0x894
+     8d4:	e1c120b0	strh	r2, [r1]
+     8d8:	e51f1054	ldr	r1, =0xfffffb10	; via 0x88c
+     8dc:	e15f24bc	ldrh	r2, =0x800	; via 0x898
+     8e0:	e1d100b0	ldrh	r0, [r1]
+     8e4:	e1800002	orr	r0, r0, r2
+     8e8:	e1c100b0	strh	r0, [r1]
+     8ec:	e51f1064	ldr	r1, =0xffffff08	; via 0x890
+     8f0:	e15f25be	ldrh	r2, =0x0	; via 0x89a
+     8f4:	e1c120b0	strh	r2, [r1]
+     8f8:	e51f1094	ldr	r1, =0xfffffb00	; via 0x86c
+     8fc:	e15f29b4	ldrh	r2, =0x2a1	; via 0x870
+     900:	e1c120b0	strh	r2, [r1]
+     904:	e15f29ba	ldrh	r2, =0x2a1	; via 0x872
+     908:	e1c120b2	strh	r2, [r1, #2]
+     90c:	e15f2ab0	ldrh	r2, =0x2a1	; via 0x874
+     910:	e1c120b4	strh	r2, [r1, #4]
+     914:	e15f2ab6	ldrh	r2, =0x283	; via 0x876
+     918:	e1c120b6	strh	r2, [r1, #6]
+     91c:	e15f2abc	ldrh	r2, =0x281	; via 0x878
+     920:	e1c120ba	strh	r2, [r1, #10]	; 0xa
+     924:	e15f2bb2	ldrh	r2, =0xc0	; via 0x87a
+     928:	e1c120bc	strh	r2, [r1, #12]	; 0xc
+     92c:	e15f2bb8	ldrh	r2, =0x40	; via 0x87c
+     930:	e1c120b8	strh	r2, [r1, #8]
+     934:	e15f2bbe	ldrh	r2, =0x2a	; via 0x87e
+     938:	e1c120be	strh	r2, [r1, #14]	; 0xe
+     93c:	e59f0020	ldr	r0, =0x83e574	; via 0x964
+     940:	e3a01b01	mov	r1, #1024	; 0x400
+     944:	e2411004	sub	r1, r1, #4
+     948:	e0802001	add	r2, r0, r1
+     94c:	e3c22003	bic	r2, r2, #3
+     950:	e1a0d002	mov	sp, r2
+     954:	e92d100f	stmdb	sp!, {r0, r1, r2, r3, r12}
+     958:	eb000534	bl	0x1e30
+     95c:	e8bd100f	ldmia	sp!, {r0, r1, r2, r3, r12}
+     960:	ea0005e4	b	0x20f8
 
+; C139 specimen:
      964:	0083e574
+; different in the C140 specimen:
+     964:	0083e55c
 
 <968-1E2F: not yet analyzed>