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DR805X Datasheet, PDF (73/79 Pages) Digital Core Design – 8-bit RISC Microcontroller Instructions set details ver 3.10
DR805x Instructions set details
3.40.3.
SUBB A, @RI
- 73 -
Operation: (PC) ← (PC) + 1
(A) ← (A) - (C) - ((Ri))
Bytes:
1
Cycles:
3
Encoding:
1001011 i
3.40.4.
SUBB A, #DATA
Operation: (PC) ← (PC) + 2
(A) ← (A) - (C) - #data
Bytes:
2
Cycles:
2
Encoding:
10010100
immediate data
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