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A-51
INSTRUCTION SET REFERENCE
Shift
Mnemonic
Direct Immediate Indirect Indexed
Length Opcode Length Opcode Length Opcode Length Opcode
NORML 3 0F ——————
SHL 309——————
SHLB 319——————
SHLL 30D——————
SHR 308——————
SHRA 30A——————
SHRAB 31A——————
SHRAL 30E——————
SHRB 3 18——————
SHRL 30C——————
Special
Mnemonic
Direct Immediate Indirect Indexed
Length Opcode Length Opcode Length Opcode Length Opcode
CLRC 1F8——————
CLRVT 1FC——————
DI 1FA——————
EI 1FB——————
IDLPD — — 1 F6 — — — —
NOP 1FD——————
RST 1FF——————
SETC 1F9——————
SKIP 200——————
PTS
Mnemonic
Direct Immediate Indirect Indexed
Length Opcode Length Opcode Length Opcode Length Opcode
DPTS 1 EC ——————
EPTS 1ED——————
Table A-8. Instruction Lengths and Hexadecimal Opcodes (Continued)
NOTES:
1. For indexed instructions, the first column lists instruction lengths as
S
/
L
, where
S
is the short-indexed
instruction length and
L
is the long-indexed instruction length.
2. For the SCALL and SJMP instructions, the three least-significant bits of the opcode are concatenated
with the eight bits to form an 11-bit, two’s complement offset.