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Routines |
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Used by the routines at 27308 and Handler_GhostRider.
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| 27977 | LD A,(23672) | A=*FRAMES. | ||
| 27980 | INC A | Increment A by one. | ||
| 27981 | LD (30810),A | Write A to *FrameCount. | ||
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This entry point is used by the routines at Game_Loop, Handler_GameOver and Handler_Fuel.
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| 27984 | LD HL,30762 | HL=Action. | ||
| 27987 | LD A,(HL) | Jump to 27998 if *HL is not zero. | ||
| 27988 | AND A | |||
| 27989 | JR NZ,27998 | |||
| 27991 | DEC L | Decrease L by one. | ||
| 27992 | LD A,(HL) | Jump to 28023 if *HL is zero. | ||
| 27993 | AND A | |||
| 27994 | JR Z,28023 | |||
| 27996 | LD A,2 | A=2. | ||
| 27998 | LD L,204 | L=204. | ||
| 28000 | LD B,2 | B=2. | ||
| 28002 | LD D,(HL) | D=*HL. | ||
| 28003 | INC L | Increment L by one. | ||
| 28004 | LD E,(HL) | E=*HL. | ||
| 28005 | OUT (254),A | OUT 254 | ||
| 28007 | XOR %00010000 | Flip bits 4. | ||
| 28009 | DEC E | Decrease E by one. | ||
| 28010 | JR NZ,28009 | Jump to 28009 until E is zero. | ||
| 28012 | CALL FrameSyncCheck | Call FrameSyncCheck. | ||
| 28015 | DEC D | Decrease D by one. | ||
| 28016 | JR NZ,28004 | Jump to 28004 until D is zero. | ||
| 28018 | INC L | Increment L by one. | ||
| 28019 | DJNZ 28002 | Decrease counter by one and loop back to 28002 until counter is zero. | ||
| 28021 | JR 27998 | Jump to 27998. | ||
| 28023 | LD A,(30773) | A=*30773. | ||
| 28026 | SUB 155 | A-=155. | ||
| 28028 | LD C,A | C=A. | ||
| 28029 | LD D,20 | D=20. | ||
| 28031 | LD L,204 | L=204. | ||
| 28033 | XOR A | A=0. | ||
| 28034 | LD B,C | B=C. | ||
| 28035 | OUT (254),A | OUT 254 | ||
| 28037 | XOR %00010000 | Flip bits 4. | ||
| 28039 | LD E,(HL) | E=*HL. | ||
| 28040 | DEC E | Decrease E by one. | ||
| 28041 | JR NZ,28040 | Jump to 28040 until E is zero. | ||
| 28043 | CALL FrameSyncCheck | Call FrameSyncCheck. | ||
| 28046 | DJNZ 28039 | Decrease counter by one and loop back to 28039 until counter is zero. | ||
| 28048 | INC L | Increment L by one. | ||
| 28049 | DEC D | Decrease D by one. | ||
| 28050 | JR NZ,28034 | Jump to 28034 until D is zero. | ||
| 28052 | JR 28029 | Jump to 28029. | ||
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