High HC's on smog test 89 Suzuki

Good Morning! I took a well-used Suzuki Swift in for a smog test and got a "gross polluter" rating. Engine is a 1.3-4 cyl, throttle body FI.
Test is as follows:
Idle:
HC allowable 120: Measured 305
CO allowable 1.0: Measured.25
CO2 Measured 13.40
O2 Measured: 1.9 (Apparently no standards on these)
2500RPM:

HC Allowable 140: Measured 255
CO Allowable 1.0: Measured.55
CO2 Measured 13.60
O2 Measured 1.5

Plugs & wires were near new. Cap and rotor age unknown.

Is this a catalytic converter problem? Any help would be appreciated. I have read the other posts and on most, the "could be" list is so long as to be meaningless.

Dusty