Assembler 8086


	At a glance

Author: SuperMemo Research
How to become an author?
Items: 600
Rating:

Last updated: Apr 11, 2000


	Description

Most fundamental facts about programming the 8086 processor (and its successors). This collection describes registers, flags, instructions, opcodes, addressing modes, branching modes, segments, interrupts, input/output operations, MASM/TASM macros, linking, etc.


	Examples

Q: Is the overflow flag set by logical operations?
A: no

Q: How to jump if ZF=1?
A: JZ

Q: How to return from an interrupt?
A: IRET

Q: Can a macro definition appear inside another macro definition?
A: yes

Q: Which instruction can be used to change the sign of a number in a register?
A: NEG

Q: What is the name of the register indirect addressing mode that uses a displacement?
A: register relative mode


	Compatibility

SM6	SM7	SM8	SM98	SM99	SM2000	SM2002	Palm SM	SMCE

With SuperMemo you can forget about forgetting!