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Routines |
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Used by the routine at Handler_PlayerMovement.
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| DisplaySpeedometer | 6880 | BIT 7,A | Jump to ProcessSpeedValue if the speed value is negative. | |||||||
| 6882 | JR NZ,ProcessSpeedValue | |||||||||
| 6884 | CPL | Make the position speed value into a negative. | ||||||||
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Strip off the signed bit.
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| ProcessSpeedValue | 6885 | AND %01111111 | Keep only bits 0-6. | |||||||
| 6887 | RRA | Divide the speed value by two and store the result in L (scaled speed value). | ||||||||
| 6888 | LD L,A | |||||||||
| 6889 | LD A,$A7 | Set the base offset value in A of A7. | ||||||||
| 688B | NOP | No operation. | ||||||||
| 688C | NOP | |||||||||
| 688D | NOP | |||||||||
| 688E | NOP | |||||||||
| 688F | SUB L | Update L to A7 - the scaled speed value. | ||||||||
| 6890 | LD L,A | |||||||||
| 6891 | LD H,$B4 | Set H to the high byte of the display data table. | ||||||||
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Continue on to CopyTwelveBytes.
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