Unknown 8085 opcodes

Warner Losh imp at bsdimp.com
Wed Jan 11 22:45:35 CST 2017


On Wed, Jan 11, 2017 at 8:33 PM, Jon Elson <elson at pico-systems.com> wrote:
> On 01/11/2017 11:16 AM, Hayden Kroepfl wrote:
>>
>>   Looking at the values it almost looks like it's ASCII text and
>> not actual code data.
>
>
> BINGO!!
>>
>> On Wed, Jan 11, 2017 at 10:10 AM, Adrian Graham
>> <binarydinosaurs at gmail.com>
>> wrote:
>>
>>> Example 8085 code fragment:
>>>
>>> 3440   1792 09                  DAD B
>>> 3441   1793 01 01 08            LXI B,0801H
>>> 3442   1796 08                  UNRECOGNIZED
>>> 3443   1797 12                  STAX D
>>> 3444   1798 0D                  DCR C
>>> 3445   1799 54                  MOV D,H
>>> 3446   179A 65                  MOV H,L
>>> 3447   179B 6C                  MOV L,H
>>> 3448   179C 65                  MOV H,L
>>> 3449   179D 70                  MOV M,B
>>> 3450   179E 68                  MOV L,B
>>> 3451   179F 6F                  MOV L,A
>>> 3452   17A0 6E                  MOV L,M
>>> 3453   17A1 65                  MOV H,L
>>> 3454   17A2 20                  RIM
>>> 3455   17A3 44                  MOV B,H
>>> 3456   17A4 65                  MOV H,L
>>> 3457   17A5 74                  MOV M,H
>>> 3458   17A6 61                  MOV H,C
>>> 3459   17A7 69                  MOV L,C
>>> 3460   17A8 6C                  MOV L,H
>>> 3461   17A9 73                  MOV M,E
>>> 3462   17AA 01 04 05            LXI B,0504H
>>> 3463   17AD 08                  UNRECOGNIZED
>>> 3464   17AE 17                  RAL
>>> 3465   17AF 53                  MOV D,E
>>> 3466   17B0 65                  MOV H,L
>>> 3467   17B1 6C                  MOV L,H
>>> 3468   17B2 65                  MOV H,L
>>> 3469   17B3 63                  MOV H,E
>>> 3470   17B4 74                  MOV M,H
>>> 3471   17B5 20                  RIM
>>>
>>>
> 08 = CR
> 54 65 6c 65 70 68 6f 6e 65 20 44 65 74 61 69 6c 73 = "Telephone Details"
>
> 53 65 6c 65 63 74 20 = "Select "
>
> Jon
>
>
>


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