Rlca rotate left circular (accumulator) – Zilog Z80380 User Manual
Page 183
5-149
Z380
™
U
SER
'
S
M
ANUAL
Z
ILOG
DC-8297-03
RLCA
ROTATE LEFT CIRCULAR (ACCUMULATOR)
RLCA
Operation:
tmp
←
A
C
←
A(7)
A(0)
←
tmp(7)
A(n+1)
←
tmp(n) for n = 0 to 6
The contents of the accumulator are rotated left one bit position. Bit 7 of the accumulator is
moved to the bit 0 position and also replaces the Carry flag.
Flags:
S:
Unaffected
Z:
Unaffected
H:
Cleared
P:
Unaffected
N:
Cleared
C:
Set if the bit rotated from bit 7 was a 1; cleared otherwise
Addressing
Execute
Mode
Syntax
Instruction Format
Time
Note
RLCA
00000111
2
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