Specifications

Index
LOCATE ....................................................... 2-7
loop counter (LC)
.............................................. 6-10
-M-
MEMEX ....................................................... 5-2
memory
access times
.................................................6-21
addressing
......................................... 2-19, 5-2, 7-8
20-bit addressing
............................................. 7-8
capacity on-board
............................................ 5-2
chip locations
............................................... 5-11
device locations
............................................. 5-11
I/O capability
.................................................5-1
memory and I/O addressing
..................................... 1-6
memory map
STD DOS systems
................................. 2-20, 5-4, 5-6
STD ROM systems
..................................... 2-21, 5-8
MEMRQ*
...................................................... 5-2
modem control register (MCR)
................................. 8-30
modem status interrupt
......................................... 8-30
modem status register (MSR)
...................................8-33
mode operations - 8080 emulation mode
........................ 6-12
mounting the ZT 8809A
......................................... 2-6
-N-
NMIRQ* ..................................................1-8, 3-14
non-DOS factory default jumper config.
................... 5-9, A-55
non-maskable interrupt (NMI)
...................... 3-14, 3-20, 7-11
nonspecific EOI commands
................................... 12-31
null count operation (counter/timers)
.......................... 11-13
numeric data processor (NDP)
................................... 7-1
errors
........................................................ 7-9
interrupt
.................................................... 3-14
other references
............................................. 7-13
with zSBC 337
......................................... 1-12, 2-4
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