diff --git a/sbus-to-ztex-gateware/rom.vhd b/sbus-to-ztex-gateware/rom.vhd
index 78d2588..acdb3b8 100644
--- a/sbus-to-ztex-gateware/rom.vhd
+++ b/sbus-to-ztex-gateware/rom.vhd
@@ -34,8 +34,8 @@ architecture arch of Prom is
   
   signal Prom_ROM : rom_type := (
 -- copy/paste the ROM content here --
-"11110001000010000100100110001110", -- 1
-"00000000000000000000000100011001", -- 2
+"11110001000010000111011110000110", -- 1
+"00000000000000000000000111001100", -- 2
 "00010010000100010101001001000100", -- 3
 "01001111010011000010110001100011", -- 4
 "01110010011110010111000001110100", -- 5
@@ -104,7 +104,51 @@ architecture arch of Prom is
 "00100001000010000000011110110111", -- 68
 "00001000000001010000100000000000", -- 69
 "01110011000010000000011011000010", -- 70
-"00000000000000000000000000000000", -- 71
+"00010000101000000101000000001010", -- 71
+"00000101000010000000011100000001", -- 72
+"00100111000000010001111100010010", -- 73
+"00001001010100100100010001001111", -- 74
+"01001100001011000111010001110010", -- 75
+"01101110011001110000001000000001", -- 76
+"00000001000000100001000000000000", -- 77
+"00000010000000000000000000011110", -- 78
+"00000001000000110001000000000000", -- 79
+"00000000000000010000000000000001", -- 80
+"00010110000100000000000000000000", -- 81
+"00000000000001000000000100010001", -- 82
+"00010010000100010111001101101100", -- 83
+"01100001011101100110010100101101", -- 84
+"01100010011101010111001001110011", -- 85
+"01110100001011010111001101101001", -- 86
+"01111010011001010111001100000001", -- 87
+"00010000000100000000000000000000", -- 88
+"00000000000001000000000100010001", -- 89
+"00010010000010110110001001110101", -- 90
+"01110010011100110111010000101101", -- 91
+"01110011011010010111101001100101", -- 92
+"01110011000000010001000000000001", -- 93
+"00000010101101100000111101101101", -- 94
+"01111001001011010111001101100010", -- 95
+"01110101011100110010110101100001", -- 96
+"01100100011001000111001001100101", -- 97
+"01110011011100110000100000001000", -- 98
+"10111010000000010000001110110110", -- 99
+"00001101011011010111100100101101", -- 100
+"01110011011000100111010101110011", -- 101
+"00101101011100110111000001100001", -- 102
+"01100011011001010000100000001001", -- 103
+"10111010101101100000011001101101", -- 104
+"01100001011100000010110101101001", -- 105
+"01101110000010000000101010110111", -- 106
+"00010010000001100110110101100001", -- 107
+"01110000001011010110100101101110", -- 108
+"00000010000010011100001010110110", -- 109
+"00000111011011010110000101110000", -- 110
+"00101101011011110111010101110100", -- 111
+"00001000000010111011011100010010", -- 112
+"00000111011011010110000101110000", -- 113
+"00101101011011110111010101110100", -- 114
+"00000010000010011100001000000000", -- 115
 -- ROM then filled with zero
     others => (others => '0'));
 begin
diff --git a/sbus-to-ztex/forth_to_rom.sh b/sbus-to-ztex/forth_to_rom.sh
index 1e32f37..0b91883 100755
--- a/sbus-to-ztex/forth_to_rom.sh
+++ b/sbus-to-ztex/forth_to_rom.sh
@@ -1,8 +1,11 @@
-!#/bin/bash
+#!/bin/bash
+
+rm -f prom.fc
 
 toke  prom.forth
 
+rm -f /tmp/prom.hexa
+
 od --endian=big -w4 -x prom.fc  | awk '{ print $2,$3"," }' >| /tmp/prom.hexa
 
-
-cat /tmp/prom.hexa | sed -e 's/0/0000/g' -e 's/1/0001/g' -e 's/f/1111/g' -e 's/e/1110/g' -e 's/d/1101/g' -e 's/c/1100/g' -e 's/b/1011/g' -e 's/a/1010/g' -e 's/9/1001/g' -e 's/8/1000/g' -e 's/7/0111/g' -e 's/6/0110/g' -e 's/5/0101/g' -e 's/4/0100/g' -e 's/3/0011/g' -e 's/2/0010/g' -e 's/ //g' -e 's/\(.*\),/"\1",/g' | grep -n . | awk -F: '{ print $2" -- "$1 }'
\ No newline at end of file
+cat /tmp/prom.hexa | sed -e 's/0/0000/g' -e 's/1/0001/g' -e 's/f/1111/g' -e 's/e/1110/g' -e 's/d/1101/g' -e 's/c/1100/g' -e 's/b/1011/g' -e 's/a/1010/g' -e 's/9/1001/g' -e 's/8/1000/g' -e 's/7/0111/g' -e 's/6/0110/g' -e 's/5/0101/g' -e 's/4/0100/g' -e 's/3/0011/g' -e 's/2/0010/g' -e 's/ //g' -e 's/\(.*\),/"\1",/g' | grep -n . | awk -F: '{ print $2" -- "$1 }'
diff --git a/sbus-to-ztex/prom.forth b/sbus-to-ztex/prom.forth
index 2bac44e..dd19e10 100644
--- a/sbus-to-ztex/prom.forth
+++ b/sbus-to-ztex/prom.forth
@@ -26,4 +26,27 @@ my-space   constant my-sbus-space
   map-out-led
 ;
 
+h# a0500a05 blink!
+
+\ OpenBIOS tokenizer won't accept finish-device without new-device
+\ Cheat by using the tokenizer so we can do OpenBoot 2.x siblings
+tokenizer[ 01 emit-byte 27 emit-byte 01 emit-byte 1f emit-byte  ]tokenizer
+
+\ Absolute minimal stuff; name & registers def.
+" RDOL,trng" name
+my-address h# 20000 + my-space h# 100 reg
+\ we don't support ET or anything non-32bits
+h# 04 xdrint " slave-burst-sizes" attribute
+h# 04 xdrint " burst-sizes" attribute
+
+headers
+
+my-address constant my-sbus-address
+my-space   constant my-sbus-space
+
+: map-in ( adr space size -- virt ) " map-in" $call-parent ;
+: map-out ( virt size -- ) " map-out" $call-parent ;
+
+\ external
+
 end0