HT66F13 datasheet(147/173 Pages) HOLTEK

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SWAP [m]

SwapnibblesofDataMemory

Description

Thelow-orderandhigh-ordernibblesofthespecifiedDataMemoryareinterchanged.

Operation

[m].3~[m].0

« [m].7~[m].4

Affected flag(s)

None

SWAPA [m]

SwapnibblesofDataMemorywithresultin ACC

Description

The low-order and high-order nibbles of the specified Data Memory are interchanged.

The result is stored in the Accumulator. The contents of the Data Memory remain un-

changed.

Operation

ACC.3~ ACC.0

¬ [m].7~[m].4

ACC.7~ ACC.4

¬ [m].3~[m].0

Affected flag(s)

None

SZ [m]

SkipifDataMemoryis0

Description

If the contents of the specified Data Memory is 0, the following instruction is skipped.

As this requires the insertion of a dummy instruction while the next instruction is

fetched, it is a two cycle instruction. If the result is not 0 the program proceeds with the

followinginstruction.

Operation

Skipif[m]=0

Affected flag(s)

None

SZA [m]

SkipifDataMemoryis0withdatamovementto ACC

Description

The contents of the specified Data Memory are copied to the Accumulator. If the value is

zero, the following instruction is skipped. As this requires the insertion of a dummy in-

struction while the next instruction is fetched, it is a two cycle instruction. If the result is

not0theprogramproceedswiththefollowinginstruction.

Operation

ACC

¬ [m]

Skipif[m]=0

Affected flag(s)

None

SZ [m].i

Skipifbit i ofDataMemoryis0

Description

If bit i of the specified Data Memory is 0, the following instruction is skipped. As this re-

quires the insertion of a dummy instruction while the next instruction is fetched, it is a

two cycle instruction. If the result is not 0, the program proceeds with the following in-

struction.

Operation

Skipif[m].i =0

Affected flag(s)

None

TABRDC [m]

Readtable(currentpage)to TBLH andDataMemory

Description

The low byte of the program code (current page) addressed by the table pointer (TBLP)

ismovedtothespecifiedDataMemoryandthehighbytemovedto TBLH.

Operation

[m]

¬ programcode(lowbyte)

TBLH

¬ programcode(highbyte)

Affected flag(s)

None

Rev.1.10

147

February9,2011

HT66F13/HT66F14/HT66F15

EnhancedA/DFlashTypeMCU

HT66F13 Datasheet(PDF) 147 Page - Holtek Semiconductor Inc

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