Routines
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7190: Handler: Frogs Check Egg Collision
Used by the routine at Handler_Frogs.
Return if an egg isn't being dropped at this point.
HandlerFrog01_CheckEggCollision 7190 LD A,($5FA9) Return if *EggDropFlag is unset.
7193 OR A
7194 RET Z
Check the first frog.
7195 LD HL,$71E9 HL=Frog1_StunCountdown.
7198 LD IY,$DAE0 IY=Egg_X_Position.
719C LD IX,$DAC8 IX=Sprite02_3Wide_X_Position.
71A0 CALL CheckEggCollision Call CheckEggCollision.
71A3 JR C,HandlerFrog02_CheckEggCollision Jump to HandlerFrog02_CheckEggCollision if the egg isn't colliding with the first frog.
Item hit the first frog.
71A5 LD A,(HL) Jump to HandlerEggCollision_Destroy01 if the frog is already stunned.
71A6 OR A
71A7 JR NZ,HandlerEggCollision_Destroy01
Stun the frog and set a random stun timer/ award points.
71A9 LD A,R A=the contents of the Memory Refresh Register.
71AB OR %01000000 Set bit 6 (ensure a minimum stun duration).
71AD LD (HL),A Write the stun duration to the first frogs stun countdown.
71AE LD A,$0A Call AddToScore to add 0A points to the score.
71B0 CALL AddToScore
71B3 CALL PlayHitSound Call PlayHitSound.
HandlerEggCollision_Destroy01 71B6 CALL CancelEggDrop Call CancelEggDrop.
Check if the second frog is active (level above 01).
HandlerFrog02_CheckEggCollision 71B9 LD A,($5FB1) Return if *CurrentLevel is equal to 01.
71BC CP $01
71BE RET Z
Check the second frog.
71BF LD IX,$DACC IX=Sprite03_3Wide_X_Position.
71C3 LD HL,$71EC HL=Frog2_StunCountdown.
71C6 CALL CheckEggCollision Call CheckEggCollision.
71C9 RET C Return if the egg isn't colliding with the second frog.
Item hit the second frog.
71CA LD A,(HL) Jump to HandlerEggCollision_Destroy02 if the frog is already stunned.
71CB OR A
71CC JR NZ,HandlerEggCollision_Destroy02
Stun the second frog and award points.
71CE LD A,R A=the contents of the Memory Refresh Register.
71D0 OR %00011111 Set bits 0-4 (ensure minimum stun duration).
71D2 AND %01111111 Clear bit 7 (cap the maximum duration).
71D4 LD (HL),A Write the stun duration to the second frogs stun countdown.
71D5 LD A,$0A Call AddToScore to add 0A points to the score.
71D7 CALL AddToScore
HandlerEggCollision_Destroy02 71DA CALL CancelEggDrop Call CancelEggDrop.
71DD CALL PlayHitSound Call PlayHitSound.
71E0 RET Return.
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