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ROLC
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Rotation with carry to left
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ROLC
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ROtate Left with Carry
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[Syntax]
ROLC dest
[Operation]
dest <<= 1;
if ( C == 0 ) { dest &= FFFFFFFEh; }
else { dest |= 00000001h; }
[Function]
- | This instruction treats dest and the C flag as a unit, rotating the whole one bit to the left. |
[Instruction Format]
[Flag Change]
Conditions
C: The flag is set if the shifted-out bit is 1; otherwise it is cleared.
Z: The flag is set if dest is 0 after the operation; otherwise it is cleared.
S: The flag is set if the MSB of dest after the operation is 1 ; otherwise it is cleared.
[Description Example]
ROLC R1
