; C186 PLD Equation
; Memory and I/O decoder for C186 Single Board Computer
; Wichit Sirichote, kswichit@kmitl.ac.th
; Feb 29, 2004
; PLD: Lattice GAL16V8D
; * logical AND, + logical OR, / logical NOT

CHIP C186 GAL16V8

 gcs6=1 den= 11 la0=2 wr=3 bhe=4 rd=5 ls0=6 ls1=7 ls2=8 p1_7=9 low_wr=12
 hi_wr=13 io_rd=14 io_wr=15 buf_p1_7=19 expand_den=18

EQUATIONS

expand_den = gcs6 + den

buf_p1_7 = p1_7

low_wr = la0 + wr

hi_wr = bhe + wr

io_rd = /ls0 + ls1 + ls2 + rd

io_wr = ls0 + /ls1 + ls2 + wr