Bus Error testing results (byte access):
(on a TT with TOS 3.06)

$FF8002 - $FF8200
$FF8210 - $FF8240
$FF8280 - $FF8400
$FF8600 - $FF8608
$FF8610 - $FF8700
$FF8720 - $FF8780
$FF8790 - $FF8800
$FF8801 - $FF8802
$FF8803 - $FF8804
$FF8805 - $FF8806
$FF8807 - $FF8808
$FF8809 - $FF880A
$FF880B - $FF880C
$FF880D - $FF880E
$FF880F - $FF8810
$FF8811 - $FF8812
$FF8813 - $FF8814
$FF8815 - $FF8816
$FF8817 - $FF8818
$FF8819 - $FF881A
$FF881B - $FF881C
$FF881D - $FF881E
$FF881F - $FF8820
$FF8821 - $FF8822
$FF8823 - $FF8824
$FF8825 - $FF8826
$FF8827 - $FF8828
$FF8829 - $FF882A
$FF882B - $FF882C
$FF882D - $FF882E
$FF882F - $FF8830
$FF8831 - $FF8832
$FF8833 - $FF8834
$FF8835 - $FF8836
$FF8837 - $FF8838
$FF8839 - $FF883A
$FF883B - $FF883C
$FF883D - $FF883E
$FF883F - $FF8840
$FF8841 - $FF8842
$FF8843 - $FF8844
$FF8845 - $FF8846
$FF8847 - $FF8848
$FF8849 - $FF884A
$FF884B - $FF884C
$FF884D - $FF884E
$FF884F - $FF8850
$FF8851 - $FF8852
$FF8853 - $FF8854
$FF8855 - $FF8856
$FF8857 - $FF8858
$FF8859 - $FF885A
$FF885B - $FF885C
$FF885D - $FF885E
$FF885F - $FF8860
$FF8861 - $FF8862
$FF8863 - $FF8864
$FF8865 - $FF8866
$FF8867 - $FF8868
$FF8869 - $FF886A
$FF886B - $FF886C
$FF886D - $FF886E
$FF886F - $FF8870
$FF8871 - $FF8872
$FF8873 - $FF8874
$FF8875 - $FF8876
$FF8877 - $FF8878
$FF8879 - $FF887A
$FF887B - $FF887C
$FF887D - $FF887E
$FF887F - $FF8880
$FF8881 - $FF8882
$FF8883 - $FF8884
$FF8885 - $FF8886
$FF8887 - $FF8888
$FF8889 - $FF888A
$FF888B - $FF888C
$FF888D - $FF888E
$FF888F - $FF8890
$FF8891 - $FF8892
$FF8893 - $FF8894
$FF8895 - $FF8896
$FF8897 - $FF8898
$FF8899 - $FF889A
$FF889B - $FF889C
$FF889D - $FF889E
$FF889F - $FF88A0
$FF88A1 - $FF88A2
$FF88A3 - $FF88A4
$FF88A5 - $FF88A6
$FF88A7 - $FF88A8
$FF88A9 - $FF88AA
$FF88AB - $FF88AC
$FF88AD - $FF88AE
$FF88AF - $FF88B0
$FF88B1 - $FF88B2
$FF88B3 - $FF88B4
$FF88B5 - $FF88B6
$FF88B7 - $FF88B8
$FF88B9 - $FF88BA
$FF88BB - $FF88BC
$FF88BD - $FF88BE
$FF88BF - $FF88C0
$FF88C1 - $FF88C2
$FF88C3 - $FF88C4
$FF88C5 - $FF88C6
$FF88C7 - $FF88C8
$FF88C9 - $FF88CA
$FF88CB - $FF88CC
$FF88CD - $FF88CE
$FF88CF - $FF88D0
$FF88D1 - $FF88D2
$FF88D3 - $FF88D4
$FF88D5 - $FF88D6
$FF88D7 - $FF88D8
$FF88D9 - $FF88DA
$FF88DB - $FF88DC
$FF88DD - $FF88DE
$FF88DF - $FF88E0
$FF88E1 - $FF88E2
$FF88E3 - $FF88E4
$FF88E5 - $FF88E6
$FF88E7 - $FF88E8
$FF88E9 - $FF88EA
$FF88EB - $FF88EC
$FF88ED - $FF88EE
$FF88EF - $FF88F0
$FF88F1 - $FF88F2
$FF88F3 - $FF88F4
$FF88F5 - $FF88F6
$FF88F7 - $FF88F8
$FF88F9 - $FF88FA
$FF88FB - $FF88FC
$FF88FD - $FF88FE
$FF88FF - $FF8900
$FF8914 - $FF8920
$FF8940 - $FF8961
$FF8962 - $FF8963
$FF8964 - $FF8C00
$FF8C20 - $FF8C80
$FF8C90 - $FF8E01
$FF8E02 - $FF8E03
$FF8E04 - $FF8E05
$FF8E06 - $FF8E07
$FF8E08 - $FF8E09
$FF8E0A - $FF8E0B
$FF8E0C - $FF8E0D
$FF8E0E - $FF8E0F
$FF8E10 - $FF9000
$FF9002 - $FF9200
$FF9202 - $FFFA01
$FFFA02 - $FFFA03
$FFFA04 - $FFFA05
$FFFA06 - $FFFA07
$FFFA08 - $FFFA09
$FFFA0A - $FFFA0B
$FFFA0C - $FFFA0D
$FFFA0E - $FFFA0F
$FFFA10 - $FFFA11
$FFFA12 - $FFFA13
$FFFA14 - $FFFA15
$FFFA16 - $FFFA17
$FFFA18 - $FFFA19
$FFFA1A - $FFFA1B
$FFFA1C - $FFFA1D
$FFFA1E - $FFFA1F
$FFFA20 - $FFFA21
$FFFA22 - $FFFA23
$FFFA24 - $FFFA25
$FFFA26 - $FFFA27
$FFFA28 - $FFFA29
$FFFA2A - $FFFA2B
$FFFA2C - $FFFA2D
$FFFA2E - $FFFA2F
$FFFA30 - $FFFA31
$FFFA32 - $FFFA33
$FFFA34 - $FFFA35
$FFFA36 - $FFFA37
$FFFA38 - $FFFA39
$FFFA3A - $FFFA3B
$FFFA3C - $FFFA3D
$FFFA3E - $FFFA3F
$FFFA40 - $FFFA81
$FFFA82 - $FFFA83
$FFFA84 - $FFFA85
$FFFA86 - $FFFA87
$FFFA88 - $FFFA89
$FFFA8A - $FFFA8B
$FFFA8C - $FFFA8D
$FFFA8E - $FFFA8F
$FFFA90 - $FFFA91
$FFFA92 - $FFFA93
$FFFA94 - $FFFA95
$FFFA96 - $FFFA97
$FFFA98 - $FFFA99
$FFFA9A - $FFFA9B
$FFFA9C - $FFFA9D
$FFFA9E - $FFFA9F
$FFFAA0 - $FFFAA1
$FFFAA2 - $FFFAA3
$FFFAA4 - $FFFAA5
$FFFAA6 - $FFFAA7
$FFFAA8 - $FFFAA9
$FFFAAA - $FFFAAB
$FFFAAC - $FFFAAD
$FFFAAE - $FFFAAF
$FFFAB0 - $FFFAB1
$FFFAB2 - $FFFAB3
$FFFAB4 - $FFFAB5
$FFFAB6 - $FFFAB7
$FFFAB8 - $FFFAB9
$FFFABA - $FFFABB
$FFFABC - $FFFABD
$FFFABE - $FFFABF
$FFFAC0 - $FFFC00
$FFFC01 - $FFFC02
$FFFC03 - $FFFC04
$FFFC05 - $FFFC06
$FFFC07 - $FFFC08
$FFFC09 - $FFFC0A
$FFFC0B - $FFFC0C
$FFFC0D - $FFFC0E
$FFFC0F - $FFFFFF

EOF!