HT68F13 datasheet(131/161 Pages) HOLTEK

131 / 161 page

OR A,x

LogicalORimmediatedatato ACC

Description

Data in the Accumulator and the specified immediate data perform a bitwise logical OR

operation.TheresultisstoredintheAccumulator.

Operation

ACC

¬ ACC ²OR² x

Affected flag(s)

ORM A,[m]

LogicalOR ACC toDataMemory

Description

Data in the specified Data Memory and the Accumulator perform a bitwise logical OR

operation.TheresultisstoredintheDataMemory.

Operation

[m]

¬ ACC ²OR² [m]

Affected flag(s)

RET

Returnfromsubroutine

Description

The Program Counter is restored from the stack. Program execution continues at the re-

storedaddress.

Operation

ProgramCounter

¬ Stack

Affected flag(s)

None

RET A,x

Returnfromsubroutineandloadimmediatedatato ACC

Description

The Program Counter is restored from the stack and the Accumulator loaded with the

specifiedimmediatedata.Programexecutioncontinuesattherestoredaddress.

Operation

ProgramCounter

¬ Stack

ACC

¬ x

Affected flag(s)

None

RETI

Returnfrominterrupt

Description

The Program Counter is restored from the stack and the interrupts are re-enabled by set-

ting the EMI bit. EMI is the master interrupt global enable bit. If an interrupt was pend-

ing when the RETI instruction is executed, the pending Interrupt routine will be

processedbeforereturningtothemainprogram.

Operation

ProgramCounter

¬ Stack

EMI

¬ 1

Affected flag(s)

None

RL [m]

RotateDataMemoryleft

Description

The contents of the specified Data Memory are rotated left by 1 bit with bit 7 rotated into

bit0.

Operation

[m].(i+1)

¬ [m].i;(i =0~6)

[m].0

¬ [m].7

Affected flag(s)

None

RLA [m]

RotateDataMemoryleftwithresultin ACC

Description

The contents of the specified Data Memory are rotated left by 1 bit with bit 7 rotated into

bit 0. The rotated result is stored in the Accumulator and the contents of the Data Mem-

oryremainunchanged.

Operation

ACC.(i+1)

¬ [m].i;(i =0~6)

ACC.0

¬ [m].7

Affected flag(s)

None

Rev.1.10

131

February9,2011

HT68F13/HT68F14/HT68F15

EnhancedI/OFlashTypeMCU

HT68F13 Datasheet(PDF) 131 Page - Holtek Semiconductor Inc

HT68F13 Datasheet(HTML) 131 Page - Holtek Semiconductor Inc

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