Hiho folks,
DJ Boy is an early generation Mega Drive game that was ported from a relatively obscure coin-op.
I did some codes for the Japanese version, please keep in mind that they are not compatible with US or EU versions.
DJ Boy (Japan) RAW Codes
Begin game with double amount of energy
04DED4:0008
Begin game with double energy units
04DEDC:0008
BOSS CODES
Round 1 & 2 Boss starts on one energy bar (Also works on round 5 Boss rush)
0611F2:103C
0611F4:0005
Round 3 Boss starts on five energy bars (Also works on round 5 Boss rush)
0586BE:103C
0586C0:0000
Round 4 Boss starts on one energy bar (Also works on round 5 Boss rush)
05ABE0:0005
Round 5 end Boss starts on one energy bar
061258:103C
06125A:0005
Round 6 Boss starts on one energy bar
0612C6:103C
0612C8:0005
Some alternatives
Round 1 & 2 Boss defeated on arrival (Also works on Round 5 Boss rush)
061208:6400
Round 5 end Boss defeated on arrival
06126E:6400
Round 6 Boss defeated on arrival
0612DC:6400
Another alternative
Bosses never show up! * except final
0644F4:42B9
* You must disable this code before Round 6 starts or else the game can’t end.