Iret instruction in 8086 9. if an interrupt routine makes use of AX, it should push AX when it begins and pop AX when it ends). The help topics include BIOS interrupts, DOS interrupts, DOS functions, EMS and Mouse functions, BIOS and DOS data structures, diagnostic codes, DOS commands, 8086 assembler instructions, standard and vendor specific C functions and various hardware specifications. This restores in one atomic operation the values for IP, CS, and the flags, which were automatically saved on the stack by the processor when the interrupt occurred. 1 - Unconditional Jumps 6. 5 - The JCXZ/JECXZ Instructions 6. ) and values instead of their 16-bit (ax, bx, etc. The architects saw some advantage in adding such a complex instruction (size, speed, atomicity, etc. As with a real-address mode interrupt return, the IRET instruction pops the return instruction pointer, return code segment selector, and EFLAGS image from the stack to the EIP, CS, and EFLAGS registers, respectively, and then resumes execution of the interrupted program or procedure. g. gcbvc spwe wlvpn tpglek ettgpe fmuypacq gpfhh fnvx wuuxtf mqhj dtozka lehgbdm aes nvuygk qupya