Instruction - String Instruction

Card Puncher Data Processing

About

String instruction are instruction for string

List

  • MOVS,
  • CMPS,
  • SCAS,
  • LODS,
  • and STOS





Discover More
Z80 Registers
CPU Register - DF Control Flag

The direction flag (DF, located in bit 10 of the EFLAGS register) controls string instructions. Setting the DF flag causes the string instructions to auto-decrement (to process strings from high...



Share this page:
Follow us:
Task Runner