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)

TO

PDF

OV

Z

AC

C

¾¾¾¾¾¾

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)

TO

PDF

OV

Z

AC

C

¾¾¾¾¾¾

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)

TO

PDF

OV

Z

AC

C

¾¾¾¾¾¾

TABRDC [m]

Move the ROM code (current page) to TBLH and data memory

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)

TO

PDF

OV

Z

AC

C

¾¾¾¾¾¾

TABRDL [m]

Move the ROM code (last page) to TBLH and data memory

Description

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

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

Operation

[m]

¬ ROM code (low byte)

TBLH

¬ ROM code (high byte)

Affected flag(s)

TO

PDF

OV

Z

AC

C

¾¾¾¾¾¾

HT48R062/HT48C062

Rev. 1.11

25

October 30, 2006