*IDENTIFICATION
ZXEPRSEL;
*TYPE
GAL20V8;
*PINS
%INPUTS%
A1 = 2,
WR = 3,
A4 = 4,
A6 = 5,
A7 = 6,
D0 = 7,
D1 = 8,
IORQ = 9,
M1 = 10,
T0 = 11,
T1 = 14,
T2 = 15,
T3 = 23,
%pin 13 (OE) connect to GND%
%OUTPUTS %
CLK.T = 22, %connect to pin 1%
EA14.R = 16,
EA15.R = 17,
LED0.T = 18,
LED1.T = 19,
LED2.T = 20,
LED3.T = 21;
*BOOLEAN-EQUATIONS
CLK.E = VCC;
CLK = /IORQ*M1*A7*/A6*/A4*/WR*/A1+T0+T1+T2+T3;
EA14 = D0*/IORQ*M1*A7*/A6*/A4*/WR*/A1+T1+T3;
EA15 = D1*/IORQ*M1*A7*/A6*/A4*/WR*/A1+T2+T3;
LED0.E = VCC;
/LED0 = /EA14*/EA15;
LED1.E = VCC;
/LED1 = EA14*/EA15;
LED2.E = VCC;
/LED2 = /EA14*EA15;
LED3.E = VCC;
/LED3 = EA14*EA15;
*END