Scsi-control logic # date description by -- -------- ------------------------------------------ ---- 01 03/09/95 initial version BDJ 02 06/09/95 change for using flipflop for /ack BDJ (c) Bas de Jong CHIP scsi p16v8 ; pin 1 2 3 4 5 6 7 8 9 10 dtack scsi a1 a2 rw /bsy /req /msg /io GND ; pin 11 12 13 14 15 16 17 18 19 20 oe /irq sel /ackff /clr /wrd /oed /rdd /rds VCC @ues scsi @define SaData "scsi * /a2 * /a1" @define SaCsr "scsi * /a2 * a1" @define SaSel "scsi * a2 * /a1" EQUATIONS sel = SaSel * /rw clr = SaSel * rw + bsy ackff = SaData oed = /msg * /io * rw wrd = SaData * /rw + SaSel * /rw rdd = SaData * rw rds = SaCsr * rw irq = req * /scsi