Datasheet

Instruction Set Description

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Indirect, Auto-Increment mode: Branch to the 20-bit address contained in the words

pointed to by register R5 and increment the address in R5 afterwards by 4. The next

time the S/W flow uses R5 as a pointer, it can alter the program execution due to

access to the next address in the table pointed to by R5. Indirect, indirect R5.

BRA @R5+ ; MOVA @R5+,PC. R5 + 4

Indexed mode: Branch to the 20-bit address contained in the address pointed to by

the LSBs, (R5 + X + 2) points to the MSBs of the address. X is within R5 + 32 K.

Indirect, indirect (R5 + X).

BRA X(R5) ; MOVA z16(R5),PC

Note: If the 16-bit index is not sufficient, a 20-bit index X may be used with the following

instruction:

MOVX.A X(R5),PC ; 1M byte range with 20-bit index

260

CPUX SLAU144J–December 2004–Revised July 2013

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