HT82K95EE datasheet(40/45 Pages) HOLTEK

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SZ [m]

Skip if data memory is 0

Description

If the contents of the specified data memory are 0, the following instruction, fetched during

the current instruction execution, is discarded and a dummy cycle is replaced to get the

proper instruction (2 cycles). Otherwise proceed with the next instruction (1 cycle).

Operation

Skip if [m]=0

Affected flag(s)

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SZA [m]

Move data memory to ACC, skip if 0

Description

The contents of the specified data memory are copied to the accumulator. If the contents is

0, the following instruction, fetched during the current instruction execution, is discarded

and a dummy cycle is replaced to get the proper instruction (2 cycles). Otherwise proceed

with the next instruction (1 cycle).

Operation

Skip if [m]=0

Affected flag(s)

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SZ [m].i

Skip if bit i of the data memory is 0

Description

If bit i of the specified data memory is 0, the following instruction, fetched during the current

instruction execution, is discarded and a dummy cycle is replaced to get the proper instruc-

tion (2 cycles). Otherwise proceed with the next instruction (1 cycle).

Operation

Skip if [m].i=0

Affected flag(s)

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TABRDC [m]

Move the ROM code (locate by TBLP and TBHP) to TBLH and data memory (ROM code

TBHP is enabled)

Description

The low byte of ROM code addressed by the table pointer (TBLP and TBHP) is moved to

the specified data memory and the high byte transferred to TBLH directly.

Operation

[m]

¬ ROM code (low byte)

TBLH

¬ ROM code (high byte)

Affected flag(s)

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TABRDC [m]

Move the ROM code (current page) to TBLH and data memory (ROM code TBHP is dis-

abled)

Description

The low byte of ROM code (current page) addressed by the table pointer (TBLP) is moved

to the specified data memory and the high byte transferred to TBLH directly.

Operation

[m]

¬ ROM code (low byte)

TBLH

¬ ROM code (high byte)

Affected flag(s)

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HT82K95EE/HT82K95AE

Rev. 1.20

August 28, 2006

HT82K95EE bảng dữ liệu(PDF) 40 Page - Holtek Semiconductor Inc

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