Applied digital microsystems presents high performance pc-based logic analyzer. This has the following features: channels - 48 state and timing; memory - 4096 words [4k per channel] for acquisition plus 4096 words for reference; clock - external clock up to 25 mhz, internal clock selectable up to 25 mhz; clock inputs - three external clock inputs with edge selection; trigger width - 48-bit wide with 0, 1, or ‘x’; trigger levels - 16 trigger levels with if-then/or-but if [else] sequence structure, 4 trigger words per level; trigger words - 16 trigger words of 48-bits wide with symbols; state display [numeric] - trace data can be displayed in bin, oct, dec, hex, or ascii; waveform display - 20 channels waveform in any order at a time with zoom up to 16 times; cursors - three cursors for trigger, reference and position; split screen facility to view timing diagram and related state information simultaneously; loading and saving of setup files; store and recall of trace/reference data with symbol table; the captured information can be viewed and analysed on any ibm compatible pc without the hardware; high speed 100 mhz pod available with 12 channels of 16k per channel memory depth, and glitch detection of 5 nano seconds; and disassembly pods - 8085, z80, 6502, 8031, 6809, 8088, 8086, 68000.