KR580VM80A Instruction Summary
Complete table of all 244 documented instructions is available in the opcode picker dropdown (the '...' button on a selected memory cell).
Categories:
- Data Transfer - MOV, MVI, LDA, STA, LHLD, SHLD, LDAX, STAX, XCHG, XTHL, SPHL, PCHL
- Arithmetic - ADD, ADC, SUB, SBB, INR, DCR, INX, DCX, DAD, DAA
- Logic - ANA, ORA, XRA, CMP, CMA, STC, CMC, RLC, RRC, RAL, RAR
- Control Transfer - JMP, Jcond, CALL, Ccond, RET, Rcond, RST
- Processor Control - NOP, HLT, DI, EI
- I/O - IN, OUT
- Stack - PUSH, POP
Instruction format: 1-3 bytes. Execution time: 4-18 tacts.
Detailed descriptions are in the Instruction Set section.