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UM018809-0611 PUSHMLO Instruction

ZNEO

CPU Core

User Manual

145

For example, the following statement produces the same object code as the previous two-line

example:

PUSHM <R5–R7, R0, R13>

The assembler also accepts statements using the combined PUSHM mnemonic with an immedi-

ate mask operand.

Flags

Flags are not affected by this instruction.

Syntax and Opcodes

Example

Before:

SP=FFFF_DB38H,

R13=000D_4321,

R7=0007_DEF0, 

R6=0006_9ABC, 

R5=0005_5678, 

R0=0000_1234

PUSHM <R0, R5–R7, R13>;Object Code: 0504 0487

After:

SP=FFFF_DB22H, 

FFFF_DB34H=000D_4321,

FFFF_DB2EH=0007_DEF0,

FFFF_DB2AH=0006_9ABC, 

FFFF_DB26H=0005_5678, 

FFFF_DB22H=0000_1234

The following syntax produces the same object code as the previous example:

PUSHM #20E1H ;Object Code: 0504 0487

Instruction, Operands Word 0 Word 1 Word 2

PUSHMLO mask {04H, imm8}

PUSHMHI mask {05H, imm8}

1 2 ... 156 157 158 159 160 161 162 163 164 165 166 ... 215 216

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Zilog Z16F2810 Manual de usuario Pagina 161