The problem is that the code card is one of those red ink on red paper type things that make it difficult to photocopy/scan/etc. You're going to have to deprotect it.
This clip from the Amiga Patch List should fix what ails ya (it's what I did to my legit copy anyway):
Breathless(Fields of Vision/Power Computing)
Version 1.00
File to alter: "Breathless" on disk "BREATHLESS1"
File length: 112280
Offset Change From Change To
$0016898 6614 4E71
Original CRC Checksum = $BDD45AFA
Original WRAP Checksum = $066E0467
Final CRC Checksum = $99E5F281
Final WRAP Checksum = $5FF41DD0
Version 1.10 (update available on Aminet as game/patch/Breathless1_1.lha)
File to alter: "Breathless" on disk "BREATHLESS1"
File length: 116336
Offset Change From Change To
$00171FA 6614 4E71
Original CRC Checksum = $7DF6E50D
Original WRAP Checksum = $F52F7179
Final CRC Checksum = $22CD7033
Final WRAP Checksum = $F52F891C
Version 1.11 (update available on Aminet as game/patch/Breathless1_1F.lha)
File to alter: "Breathless" on disk "BREATHLESS1"
File length: 116336
Offset Change From Change To
$00171FA 6614 4E71
Original CRC Checksum = $063B9C22
Original WRAP Checksum = $F5DB70B9
Final CRC Checksum = $5900091C
Final WRAP Checksum = $F5DB885C
Version 1.11 68060 (update available on Aminet as game/patch/Breathl060.lha)
File to alter: "Breathless" on disk "BREATHLESS1"
File length: 121832
Offset Change From Change To
$0018772 6614 4E71
Original CRC Checksum = $4C7F7445
Original WRAP Checksum = $B072A729
Final CRC Checksum = $1344E17B
Final WRAP Checksum = $B072BECC
Comments: Select any symbols at protection check.
Originator: 1.00 patch sent by Tue Brisson, others sent by both Tue
Brisson and Chuck Stone, 1.11 patch also contributed by
Peter Madden
