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Copyright 1991 David Jurgens |
RET/RETF - Return From Procedure
Usage: RET nBytes
RETF nBytes
RETN nBytes
Modifies flags: None
Transfers control from a procedure back to the instruction address
saved on the stack. "n bytes" is an optional number of bytes to
release. Far returns pop the IP followed by the CS, while near
returns pop only the IP register.
Clocks Size
Operands 808x 286 386 486 Bytes
retn 16/20 11+m 10+m 5 1
retn immed 20/24 11+m 10+m 5 3
retf 26/34 15+m 18+m 13 1
retf (PM, same priv.) - 32+m 18 1
retf (PM, lesser priv.) - 68 33 1
retf immed 25/33 15+m 18+m 14 3
retf immed (PM, same priv.) 32+m 17 1
retf immed (PM, lesser priv.) 68 33 1
- see Instruction Timing
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ret |
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