Usage: PUSH src PUSH immed (80188+ only) Modifies flags: None Decrements SP by the size of the operand (two or four, byte values are sign extended) and transfers one word from source to the stack top (SS:SP). Clocks Size Operands 808x 286 386 486 Bytes reg16 11/15 3 2 1 1 reg32 - - 2 1 1 mem16 16+EA 5 5 4 2-4 (W88=24+EA) mem32 - - 5 4 2-4 segreg 10/14 3 2 3 1 immed - 3 2 1 2-3 - see Instruction Timing