DR805X Datasheet, PDF (19/79 Pages) Digital Core Design – 8-bit RISC Microcontroller Instructions set details ver 3.10

DR805x Instructions set details
3.4. AJMP
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Instruction: AJMP addr11
Function: Absolute jump
Description:
AJMP transfers program execution to the indicated address, which is
formed at run- time by concatenating the high-order five bits of the PC
(after incrementing the PC twice), op code bits 7-5, and the second byte
of the instruction. The destination must therefore be within the same 2K
block of program memory as the first byte of the instruction following
AJMP.
Operation:
(PC)
← (PC) + 2
(PC10-0) ← page address
Bytes:
2
Cycles:
3
Encoding:
a10 a9 a8 0 0 0 0 1 a7 a6 a5 a4 a3 a2 a1 a0
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