Arch86

Opcode	Encoding	16-bit	32-bit	64-bit	Description
`E8 cw` `CALL rel16`	`i`	Valid	Valid	N/S	Call a near procedure with a relative offset of rel16.
Opcode: `E8 cw` Mnemonic: `CALL rel16` Encoding: `i` Validity (16/32/64 bit): valid, valid, N/S Call a near procedure with a relative offset of rel16.
`E8 cd` `CALL rel32`	`i`	Valid	Valid	Valid	Call a near procedure with a relative offset of rel32.
Opcode: `E8 cd` Mnemonic: `CALL rel32` Encoding: `i` Validity (16/32/64 bit): valid, valid, valid Call a near procedure with a relative offset of rel32.
`FF /2` `CALL r/m16`	`m`	Valid	Valid	N/E	Call a near procedure with an absolute (indirect) offset r/m16.
Opcode: `FF /2` Mnemonic: `CALL r/m16` Encoding: `m` Validity (16/32/64 bit): valid, valid, N/E Call a near procedure with an absolute (indirect) offset r/m16.
`FF /2` `CALL r/m32`	`m`	Valid	Valid	N/E	Call a near procedure with an absolute (indirect) offset r/m32.
Opcode: `FF /2` Mnemonic: `CALL r/m32` Encoding: `m` Validity (16/32/64 bit): valid, valid, N/E Call a near procedure with an absolute (indirect) offset r/m32.
`FF /2` `CALL r/m64`	`m`	N/E	N/E	Valid	Call a near procedure with an absolute (indirect) offset r/m64.
Opcode: `FF /2` Mnemonic: `CALL r/m64` Encoding: `m` Validity (16/32/64 bit): N/E, N/E, valid Call a near procedure with an absolute (indirect) offset r/m64.
`9A seg16 cw` `CALLF ptr16:16`	`p`	Valid	Valid	Invalid	Call a far procedure with an absolute offset ptr16:16.
Opcode: `9A seg16 cw` Mnemonic: `CALLF ptr16:16` Encoding: `p` Validity (16/32/64 bit): valid, valid, invalid Call a far procedure with an absolute offset ptr16:16.
`9A seg16 cd` `CALLF ptr16:32`	`p`	Valid	Valid	Invalid	Call a far procedure with an absolute offset ptr16:32.
Opcode: `9A seg16 cd` Mnemonic: `CALLF ptr16:32` Encoding: `p` Validity (16/32/64 bit): valid, valid, invalid Call a far procedure with an absolute offset ptr16:32.
`FF mem/3` `CALLF m16:16`	`m`	Valid	Valid	Invalid	Call a far procedure with an absolute (indirect) offset m16:16.
Opcode: `FF mem/3` Mnemonic: `CALLF m16:16` Encoding: `m` Validity (16/32/64 bit): valid, valid, invalid Call a far procedure with an absolute (indirect) offset m16:16.
`FF mem/3` `CALLF m16:32`	`m`	Valid	Valid	Invalid	Call a far procedure with an absolute (indirect) offset m16:32.
Opcode: `FF mem/3` Mnemonic: `CALLF m16:32` Encoding: `m` Validity (16/32/64 bit): valid, valid, invalid Call a far procedure with an absolute (indirect) offset m16:32.
`FF mem/3` `CALLF m16:64`	`m`	Invalid	Invalid	Valid	Call a far procedure with an absolute (indirect) offset m16:64.
Opcode: `FF mem/3` Mnemonic: `CALLF m16:64` Encoding: `m` Validity (16/32/64 bit): invalid, invalid, valid Call a far procedure with an absolute (indirect) offset m16:64.

Encoding

Encoding	Operand
`i`	`imm16/32`
`m`	`ModRM.r/m[rw]`
`p`	`imm16+16/32`

Description

The CALL instruction saves a return address on the stack before jumping to the called procedure specified in the operand.

Operation

public void CALL()
{
    // TODO
}

Flags Affected

CF (carry flag): Affected if a task switch occurs. Unmodified otherwise.
PF (parity flag): Affected if a task switch occurs. Unmodified otherwise.
AF (auxiliary flag): Affected if a task switch occurs. Unmodified otherwise.
ZF (zero flag): Affected if a task switch occurs. Unmodified otherwise.
SF (sign flag): Affected if a task switch occurs. Unmodified otherwise.
OF (overflow flag): Affected if a task switch occurs. Unmodified otherwise.

Call Procedure

Encoding

Description

Operation

Flags Affected

Exceptions

Real-Address Mode

Virtual-8086 Mode

Protected Mode

Compatibility Mode

Long Mode