PM0044 datasheet(72/162 Pages) STMICROELECTRONICS

72 / 162 page

STM8 instruction set

PM0044

72/162

Doc ID 13590 Rev 3

SLAW

Shift word left

arithmetic

SLAW X

← 0

← bit 0

← bit 1

← bit 2

.....

R14

← bit 13

R15

← bit 14

CC.C

← bit 15

SLL

Shift left logical

SLL ([$1234.w],X)

← 0

← bit 0

← bit 1

← bit 2

← bit 3

← bit 4

← bit 5

← bit 6

CC.C

← bit 7

72 68 ww bb

SLLW

Shift word left

logical

SLLW X

← 0

← bit 0

← bit 1

← bit 2

.....

R14

← bit 13

R15

← bit 14

CC.C

← bit 15

SRA

Shift right

arithmetic

SRA ([$1234.w],X)

CC.C

← bit 0

← bit 1

← bit 2

← bit 3

← bit 4

← bit 5

← bit 6

← bit 7

← bit 7 (unchanged)

72 67 ww bb

SRAW

Shift word right

arithmetic

SRAW X

CC.C

← bit 0

← bit 1

← bit 2

← bit 3

....

R12

← bit 13

R13

← bit 14

R14

← bit 15

R15

← bit 15 (unchanged)

Table 42.

Instruction set summary (continued)

Description

Effect on CC register

Syntax example

Operation

Example

op-

code(s)

VI1

PM0044 数据表(PDF) 72 Page - STMicroelectronics

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