PM0044 datasheet(73/162 Pages) STMICROELECTRONICS

部件名	PM0044

功能描述	STM8 CPU programming manual

PDF	162 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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73 / 162 page

PM0044

STM8 instruction set

Doc ID 13590 Rev 3

73/162

SRL

Shift right

logical

SRL ([$1234.w],X)

CC.C

← bit 0

← bit 1

← bit 2

← bit 3

← bit 4

← bit 5

← bit 6

← bit 7

← 0

72 64 ww bb

SRLW

Shift word right

arithmetic

SRLW X

CC.C

← bit 0

← bit 1

← bit 2

← bit 3

....

R12

← bit 13

R13

← bit 14

R14

← bit 15

R15

← 0

SUB

Subtract without

carry

SUB A,($12,SP)

← A -M(SP+shortoff)

10 bb

SUB SP,#$12

← SP + imm.b

52 ii

SUBW

Subtract word

without carry

SUBW X,($12,SP)

← X -M(SP+shortoff)

72 F0 bb

SWAP

Swap nibbles

SWAP ([$1234.w],X)

↔ R4

↔ R5

↔ R6

↔ R7

72 6E ww bb

Table 42.

Instruction set summary (continued)

Description

Effect on CC register

Syntax example

Operation

Example

op-

code(s)

VI1

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