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Inside a Microprocessor
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access any instruction accumulator ACCX addition address bus address register Addressing mode ADR1 ADR2 ADR3 algorithm arithmetic ASCII assume binary bit position block branch can access branch instruction byte called carry bit Chapter character CLRA CMPA condition code bits condition code register contents data bus data structures decimal DECREMENT Description digits display dividend DVSAD EFHINZVC element entry example executed extended direct indexed fetch ﬂag ﬂowchart Function hardware stack hexadecimal implement increment index register indexed addressing input input/output input/output devices interrupt interrupt request loaded logical long branch loop memory location memory operand microprocessor Mnemonics negative numbers opcode operation output overﬂow position independent code postbyte set processor program counter program loop quotient representation represented result shift signal specified stack pointer stored subroutine subtraction symbolic TABLEN techniques tion transfer two’s complement word zero