HT48C10 datasheet(44/59 Pages) HOLTEK

44 / 59 page

SET [m]

Set data memory

Description

Each bit of the specified data memory is set to one.

Operation

[m]

← FFH

Affected flag(s)

TC2

TC1

–

––

–––

SET [m].i

Set bit of data memory

Description

Bit “i” of the specified data memory is set to one.

Operation

[m].i

← 1

Affected flag(s)

TC2

TC1

–

––

–––

SIZ [m]

Skip if increment data memory is zero

Description

The contents of the specified data memory are incremented by one. If the

result is zero, the following instruction, fetched during the current instruc-

tion execution, is discarded and a dummy cycle is replaced to get the proper

instruction (two cycles). Otherwise proceed with the next instruction (one

cycle).

Operation

Skip if ([m]+1)=0, [m]

← ([m]+1)

Affected flag(s)

TC2

TC1

–

––

–––

SIZA [m]

Increment data memory and place result in ACC, skip if zero

Description

The contents of the specified data memory are incremented by one. If the

result is zero, the next instruction is skipped and the result is stored in the

accumulator. The data memory remains unchanged. If the result is zero, the

following instruction, fetched during the current instruction execution, is

discarded and a dummy cycle is replaced to get the proper instruction (two

cycles). Otherwise proceed with the next instruction (one cycle).

Operation

Skip if ([m]+1)=0, ACC

← ([m]+1)

Affected flag(s)

TC2

TC1

–

––

–––

HT48CXX/HT48RXX

25th May ’99

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