The Programming Guide to the Z80 Chip |
Common terms and phrases
accumulator value Add the displacement address bus addressing modes assembly language Assembly Mnemonics Machine Assembly Mnemonics Opcode binary codes bit position byte stored carry flag chips code will depend Codes Hexadecimal Decimal Codes Opcode Operands cycles Decimal Octal Binary Decrement Definition Description displacement value Flag Bit Effect H 4 P/V Hex Decimal Octal Hexadecimal Decimal Octal high-order byte HL register pair Implied Format index register Indirect Format input instruction byte specify IY+d Language Codes Hexadecimal Language Codes Opcode location IX+d Machine Language Codes memory address MHz E.T. microprocessor Mnemonics Machine Language Mnemonics Opcode Operands nL nL nL non-maskable interrupt Opcode Operands Hexadecimal Opcode Operands Machine Operands Hexadecimal Decimal Operands Machine Language Operation parity particular code processor program counter register pair HL reset otherwise result equals zero result is negative second instruction byte Set if result two's complement form value of register