Routines
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27648: Game Loop
Used by the routines at WaitForNextFrame and FrameSyncCheck.
Game_Loop 27648 LD A,(30763) A=*30763.
27651 XOR %00000001 Flip bit 0.
27653 LD (30763),A Write A back to *30763.
27656 LD HL,65535 SP=65535.
27659 LD SP,HL
27660 LD A,(23672) A=*FRAMES.
27663 INC A Increment A by one.
27664 LD HL,30746 HL=30746.
27667 DEC (HL) Decrease *HL by one.
27668 LD L,90 L=90.
27670 LD (HL),A Write A to *HL.
27671 JR NZ,Game_Loop_4 Jump to Game_Loop_4 if *HL is not zero.
27673 INC (HL) Increment *HL by one.
27674 LD L,43 L=43.
27676 LD A,(HL) A=*HL.
27677 XOR %00000001 Flip bit 0.
27679 LD (HL),A Write A to *HL.
27680 NOP
27681 NOP
27682 LD A,2
27684 LD (30756),A
27687 LD A,(30762)
27690 AND A
27691 JP NZ,Handler_GameOver
27694 CALL RemoveSprites
27697 LD A,(30754)
27700 BIT 7,A
27702 JR Z,Game_Loop_0
27704 CALL ScrollPlayarea_Left
27707 CALL DrawPlayarea
27710 CALL 27136
27713 JR Game_Loop_1
Game_Loop_0 27715 CALL ScrollPlayarea_Right
27718 CALL DrawPlayarea
27721 CALL 27308
Game_Loop_1 27724 CALL 29379
27727 CALL 29457
27730 CALL GetControls
27733 CALL Handler_PlayerMovement
27736 LD A,(30754)
27739 BIT 7,A
27741 JR Z,Game_Loop_2
27743 CPL
Game_Loop_2 27744 SUB 102
27746 JR NC,Game_Loop_3
27748 XOR A
Game_Loop_3 27749 SRL A
27751 SRL A
27753 INC A
27754 LD (30746),A
27757 NOP
27758 NOP
27759 NOP
27760 CALL Handler_Fuel
Game_Loop_4 27763 LD A,(30763)
27766 AND A
27767 JR NZ,Game_Loop_6
27769 LD A,(30762)
27772 AND A
27773 JR NZ,Game_Loop_5
27775 CALL 29379
27778 CALL GetControls
27781 CALL Handler_PlayerMovement
Game_Loop_5 27784 XOR A
27785 LD (30756),A
27788 CALL 27984
Game_Loop_6 27791 LD A,(30756)
27794 AND A
27795 JR NZ,Game_Loop_7
27797 CALL RemoveSprites
27800 CALL 29457
Game_Loop_7 27803 CALL 27984
27806 HALT
27807 NOP
27808 NOP
27809 NOP
27810 NOP
27811 NOP
27812 NOP
27813 NOP
27814 NOP
27815 NOP
27816 NOP
27817 NOP
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