Maybe this will do. Put this into a PAL/PALCE/GAL22V10 (after compiling of-course). Wire CLKO (PIN23) back to CLOCK (PIN1).
PIN 1 CLOCK COMBINATORIAL ; INPUT
PIN 2 INT0 COMBINATORIAL ; INPUT
PIN 3 INT1 COMBINATORIAL ; INPUT
PIN 4 INT2 COMBINATORIAL ; INPUT
PIN 5 INT3 COMBINATORIAL ; INPUT
PIN 6 INT4 COMBINATORIAL ; INPUT
PIN 7 INT5 COMBINATORIAL ; INPUT
PIN 8 INT6 COMBINATORIAL ; INPUT
PIN 9 INT7 COMBINATORIAL ; INPUT
PIN 10 CLR COMBINATORIAL ; INPUT
PIN 11 RD COMBINATORIAL ; INPUT
PIN 12 GND ;
PIN 13 D7 REGISTERED ; OUTPUT
PIN 14 D6 REGISTERED ; OUTPUT
PIN 15 D5 REGISTERED ; OUTPUT
PIN 16 D4 REGISTERED ; OUTPUT
PIN 17 D3 REGISTERED ; OUTPUT
PIN 18 D2 REGISTERED ; OUTPUT
PIN 19 D1 REGISTERED ; OUTPUT
PIN 20 D0 REGISTERED ; OUTPUT
PIN 22 INT COMBINATORIAL ;OUTPUT
PIN 23 CLKO COMBINATORIAL ; OUTPUT
PIN 24 VCC ;
;----------------------------------- Boolean Equation Segment ------
EQUATIONS
D0.trst=RD
D1.trst=RD
D2.trst=RD
D3.trst=RD
D4.trst=RD
D5.trst=RD
D6.trst=RD
D7.trst=RD

IF D0 * D1 * D2 * D3 * D4 * D5 * D6 * D7 THEN
BEGIN
CLKO = 0
END
IF (/D0 + /D1 + /D2 + /D3 + /D4 + /D5 + /D6 + /D7) * CLR THEN
BEGIN
CLKO =1
D0 := INT0
D1 := INT1
D2 := INT2
D3 := INT3
D4 := INT4
D5 := INT5
D6 := INT6
D7 := INT7
INT := 0
END
IF CLR = 0 THEN
BEGIN
CLKO = 1
D0 := 1
D1 := 1
D2 := 1
D3 := 1
D4 := 1
D5 := 1
D6 := 1
D7 := 1
INT:= 1
END