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4.1 Legend

Symbol
ext
dir
dir : n
rel
#
AH
AL
TL
@
Ri
d8
d16
vct
off
MOD
Flag (NZVC)
+: Changed by execution of instruction
: Not changed
R: Reset by execution of instruction
S: Set by execution of instruction
INSTRUCTIONS
Extended addressing (addresses 0000 to FFFF)
Direct addressing (addresses 0000 to 00FF)
Direct bit addressing (bit position: n = 0 to 7)
Relative addressing (8 bits)
Immediate addressing, vector addressing
Upper byte of A
Lower byte of A
Lower byte of T
Register indirect addressing
Index (with offset)
Extra pointer, accumulator
Memory registers R0 to R7
Immediate data (8 bits)
Immediate data (16 bits)
Vector number (0 to 7
Offset (-128 to 127)
Remainder
4– 3
Meaning

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