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back2root:ibm-pc-ms-dos:instr:ret

RET-RETF-RETN

RET/RETF - Return From Procedure

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.

Usage:

	RET	nBytes	;
	RETF	nBytes	;
	RETN	nBytes	;

Modifies flags:

none

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
back2root/ibm-pc-ms-dos/instr/ret.txt · Dernière modification : 2023/03/04 11:27 de frater