Zilog Z16F2810 - Manual (Page 161)

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
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 ;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}