Removes the instruction which would otherwise decrease ActivePlayer_Lives.

9062	LD A,(5EA1)
9065	DEC A
9066	LD (5EA1),A

To:

9062	LD A,(5EA1)
9065	NOP
9066	LD (5EA1),A

This changes the starting lives from 04 (1UP) and 05 (2UP) to FF. The 2UP value is one higher than 1UP because of how ChangePlayer copies the inactive player.

A854	LD A,04
A856	LD (5EA1),A

A86C	LD A,05
A86E	LD (5EA5),A

To:

A854	LD A,FF
A856	LD (5EA1),A

A86C	LD A,FF
A86E	LD (5EA5),A

Removes the subtract which would otherwise take the spent fuel off FuelLevel_1.

8DA4	LD HL,(608E)
8DAC	SBC HL,BC

To:

8DA4	LD HL,(608E)
8DAC	NOP
8DAD	NOP

TickThenExplode_TestHeight is the height test used before an actor explodes on Jetman.

B2D0	JP P,B2D5
B2D3	NEG
B2D5	CP E
B2D6	RET

To:

B2D0	JP B2D5
B2D5	AND A
B2D6	RET

The first poke always jumps to TickThenExplode_Compare. The second clears carry, so the following RET never comes back with carry set.

Turns the type check into an unconditional skip, so *IX+17 is never decreased and Handler_Missile_ConvertExploding is never called from here.

ABD8	LD A,(6078)
ABDB	CP 81
ABDD	JR Z,ABE5
ABDF	DEC (IX+17)

To:

ABD8	LD A,(6078)
ABDB	CP 81
ABDD	JR ABE5

Turns the delay check in SpawnAlien into an immediate return, so a new alien is never copied into a free slot.

946B	LD A,(5E67)
946E	AND A
946F	RET NZ

To:

946B	LD A,(5E67)
946E	AND A
946F	RET

Treats the missile as destroyed as soon as one hit is taken off *IX+16.

AF67	DEC (IX+16)
AF6A	JR Z,AFB1

To:

AF67	DEC (IX+16)
AF6A	JR AFB1