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TABLE OF CONTENTS
KEY ELEMENTS OF PDP11 ARCHlTECTURE
13 other sections not shown
abort addressing mode asserted autodecrement autoincrement backplane BBS7 BDAL BDlN BDOUT binary BRPLY BSYNC bus cycle bus master BWTBT byte character set character string descriptor cleared otherwise contains contents data transfer data type decimal string descriptor is placed destination string Direct Memory Access DlGlTAL enabled error execution exponent fdst Figure floating point floating-point Format fsrc hardware indicates instruction is completed interrupt interrupt request Kbytes lines Load low-order main memory memory management memory management unit memory refresh microcode negated occurs Octal opcode opcode word operand operation overflow PDP-11 family peripheral physical address space relocation request result signal significant digits source character string source descriptor source string specified stack pointer stored struction subroutine tion trap two-word two's complement underflow UNiBUS UNlBUS Map vector virtual address word address pointer zero