Elmo HARmonica, HARSFEN0602 software manual JZ Jump If Zero, Jzeol Jump If Zero, Link

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the present executing line.

7.7.16JZ – Jump If Zero

Purpose:

Jump to if value is zero (change PC to different location in program).

Algorithm:

PC IMMEDIATE VALUE

Attributes

Attribute		Value	Comment
Op code			May change in future
			versions
Number of arguments		2
Argument type1		Unsigned short integer	Jump Address
Argument type2		Int or Float	Tested value
→
Addressing	mode1	Immediate2
Addressing mode2		Absent, Immediate,	(tested value can be
		Stack_Immediate,Mem_Direct,	local/global variable or
		BP_Relative	constant)
Promotion		N.A.
Output type		N.A.
Imposes end of line		Only if jump address is out of
		the present executing line.

7.7.17JZ_EOL – Jump If Zero

Purpose:

Jump to if value is zero (change PC to different location in program) and force end of line to allow breakpoints in after jump instruction.

Algorithm:

PC IMMEDIATE VALUE

Attributes

Attribute		Value	Comment
Op code			May change in future
			versions
Number of arguments		2
Argument type1		Unsigned short integer	Jump Address
Argument type2		Int or Float	Tested value
→
Addressing	mode1	Immediate2
Addressing mode2		Absent, Immediate,	(tested value can be
		Stack_Immediate,Mem_Direct,	local/global variable or
		BP_Relative	constant)
Promotion		N.A.
Output type		N.A.
Imposes end of line		Only if jump address is out of
		the present executing line.

7.7.18LINK

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