Routines
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631E: New Game
Message_SprayBugs 631E DEFM $47 "SPRAY THE BUGS"
631F DEFM "SPRAY THE BUG","S"+$80
Start New Game.
GameStart 632D CALL CreateWindow Call CreateWindow.
6330 LD HL,$7048 HL=7048.
6333 LD DE,$631E DE=Message_SprayBugs.
6336 CALL GameOverPrint_Pause Call GameOverPrint_Pause.
6339 LD HL,$5E05 Write 00 to E6 bytes from 1UP_Score.
633C LD (HL),$00
633E LD D,H
633F LD E,L
6340 INC DE
6341 LD BC,$00E6
6344 LDIR
6346 CALL ResetPlayerData Call ResetPlayerData.
6349 CALL ResetModifiedCode Call ResetModifiedCode.
634C CALL LevelNew Call LevelNew.
This entry point is used by the routine at NewActor.
Message_SprayBugs_0 634F LD SP,$5D00 SP=5D00.
6352 EI Enable interrupts.
6353 LD IX,$5E8C IX=State_Flower.
6357 XOR A Write 00 to CurrentBug_ID to reset the enemy counter.
6358 LD ($5E16),A
This entry point is used by the routines at FrameUpdate and NewActor.
MainLoop 635B LD A,($5C78) Compare FRAMES and LastFrame.
635E LD C,A
635F LD A,($5E1F)
If interrupts are enabled, then FrameUpdate will be called and DI executed.
6362 CP C If they are not equal call FrameUpdate.
6363 CALL NZ,FrameUpdate
6366 LD HL,$7130 HL=generate new actor routine.
6369 PUSH HL Stash HL on the stack.
636A LD HL,$637E HL=JumpTable_Main.
636D LD A,(IX+$00) Calculate the jump table offset.
6370 RLCA
6371 AND %01111110
PerformJump 6373 LD C,A BC=offset.
6374 LD B,$00
6376 ADD HL,BC HL=Jump table + offset.
6377 LD A,(HL) HL=Fetch the jump address.
6378 INC HL
6379 LD H,(HL)
637A LD L,A
637B JP $5CB0 Jump to 5CB0 which does an indirect jump to the jump address.
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