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AN INTRODUCTION TO THE 80808085 MICROPROCESSORS
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16-bit address 8080 microcomputer addition addressed by register ASCII characters ASCII value ASCII-based assembly language BCD digit BCD numbers BCDOUT binary number BINHEX bit D7 complement content of memory content of register DADH instruction data bus data values data word decoder display dividend divisor E register eight-bit eight-bit word floating-point four MSBs H register hexadecimal immediate data byte INCREMENT THE MEMORY instruction is executed integrated circuit interface INXH ister key code key is pressed keyboard listed in Example LOAD REGISTER PAIR logic LSBY LXIH LXISP MEMORY ADDRESS memory-mapped I/O microcomputer Mnemonic MOVAB MOVAM MOVBA moved MSBY multiplier MVIA nonzero octal op code output pair H popped printed program listed R/W memory registers H return address rotated SEVEN-SEGMENT DISPLAY stack pointer stored in memory struction subroutine subroutine is called subtraction symbolic address teletypewriter or crt TEST tion TTYIN UART XTHL