General Purpose Registers: B, C, D, E, H, and L. These can be used individually or as pairs (BC, DE, HL) to hold 16-bit data.
The 8085 features five hardware interrupts, ranked by priority: TRAP (Highest priority, non-maskable) INTR (Lowest priority) Instruction Set and Addressing Modes microprocessor 8085 ppt by gaonkar
IO/M: Distinguishes between I/O operations and Memory operations. Interrupts General Purpose Registers: B, C, D, E, H, and L