An Introduction to Microcomputers: Basic concepts
Microprocessors and microcomputers. Some fundamental concepts. Makings of a microprocessors and its contents.The central processing unit.Logic beyond the cpu. Programming microcomputers. An instruction set. Appendices.
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Interpreting the Contents of Memory Words 314
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accumulator address lines Address register binary addition binary data binary digits binary number Carry status character chip slice clock period clock signal complement control signals control unit data bit Data Bus Data Counter data lines data word decimal decrement direct addressing DMA operation example execution external device external logic external system bus hexadecimal high-order bit I/O Port IACK identify illustrated as follows illustrated in Figure Increment Index register input instruction code instruction fetch instruction set interrupt acknowledge interrupt address vector interrupt request IREQ loop low-order byte memory address memory byte memory location memory reference instructions microcomputer system microinstruction microprocessor microprogram minicomputer mnemonic Move Data object code output parallel I/O device pins program counter program logic Program Memory read-only memory read/write memory ROM device select logic serial data serial I/O signed binary specified stack status flags Status register struction subroutine subtraction Sync characters synchronous Table tion word address