Saved game hex cheats:

The SAVED.BDL file contains the saved game info. Each of the 5 save game slots contains 244 bytes of data. The 9th byte contains which of the 4 missions in each zone have been completed. As the 4 missions are displayed in different quadrants of the screen, the hex numbers in this byte mean
that different missions have been completed depending on which zone the saved game is for.

Zone: A B C D E F G
Screen: 1 2 4 3 1 2 3 1 1 3 3 2 only 1 3 4 1 2 3 4 4 2 4 2 1 4 mission

Hex value Missions completed:

00 none
01 upper left
02 upper right
03 upper left and upper right
04 lower left
05 upper left and lower left
06 upper right and lower left
07 upper left, upper right, and lower left
08 lower right
09 upper left and lower right
0A upper right and lower right
0B upper left, upper right, and lower right
0C lower left and lower right
0D upper left, lower left, and lower right
0E upper right, lower left, and lower right
0F all
The 13th byte is which zone the game is in (A through G).
Hex 02 is A, 03 is B, 04 is C, 05 is D, 06 is E,
07 is F, and 08 is G. In zone G, there is only 1 mission.
The 23rd, 24th, and 25th bytes contain the amount
of money.
It can be maxed out to $999,999 with the hex values 3F 42 0F.
The 31st and 32nd bytes contain the number of shots in weapon #1.
The 49th and 50th bytes contain the number of shots in weapon #2.
The 67th and 68th bytes contain the number of shots in weapon #3.
The 85th and 86th bytes contain the number of shots in weapon #4.
The 103rd and 104th bytes contain the number of
shots in weapon #5.
The 121st and 122nd bytes contain the number of
shots in weapon #6.
The 139th and 140th bytes contain the number of
shots in weapon #7.
These can be maxed out to 9999 with the hex values 0F 27.