Code Name Viper

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Code Name Viper is a platform shoot-em-up based on the Rolling Thunder engine. You shoot enemies, dodge bullets, and rescue hostages by entering doors.

Easy Cheats

Icon Addr Val Cmp Description
Icon-Lives-Infinite.png 06E8 0A - Infinite Lives
Icon-HitPoints-Infinite.png 06F8 04 - Infinite Hit Points
Icon-Ammo-Infinite.png 06E2 01 - Infinite Machinegun Bullets
Icon-Jump.png 908F F7 FA High Jump - Standing
Icon-Jump.png 9093 F7 FA High Jump - Walking (1/2)
Icon-Jump.png 9097 F7 FA High Jump - Walking (2/2)
Icon-Jump.png 90AF F4 F9 High Jump - Up
Icon-Time.png 06E6 FE - Infinite Time (Turn off at end of stage)
Icon-Continue.png 0756 09 - Infinite Continues
How do I use these?


North America

Code Name Viper.png

Memory Addresses

0088 - Score: xxxxx9x
0089 - Score: xxxx9xx
008A - Score: xxx9xxx
008B - Score: xx9xxxx
008C - Score: x9xxxxx
008D - Score: 9xxxxxx

030F - Player Y Delta

0690 - Machinegun Display: 9xx
0691 - Machinegun Display: x9x
0692 - Machinegun Display: xx9
069C - Time Display: 9xx
069D - Time Display: x9x
069E - Time Display: xx9
06B0 - Ammo Display: 9xx
06B1 - Ammo Display: x9x
06B2 - Ammo Display: xx9

06E0 - Ammo Remaining x1
06E0 - Ammo Remaining x256
06E2 - Machinegun Ammo Remaining x 1
06E3 - Machinegun Ammo Remaining x 256
06E5 - Max Hit Points (2-4)
06E6 - Time Remaining
06E8 - Lives (00-0A)

06EE - Bomb Flag

06F8 - Hit Points

0756 - Continues (00-09)
0757 - Rescued Victims
0759 - Rescued Total

908F - Start of Jumping Heights Table