Unknown 8085 opcodes

Jon Elson elson at pico-systems.com
Wed Jan 11 22:33:23 CST 2017


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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