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Routines |
| Prev: C28B | Up: Map | Next: C2CC |
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Used by the routine at HandleObjectAtCentreOfRoom.
Changes the ink colour of every attribute on the screen to the next colour, sixteen times, with a sound and a short delay each time.
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Cycle every attribute, then play a sound and wait.
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| CycleColoursWithSound | C2A5 | LD D,$10 | Set the number of times to cycle to 10. | |
| CycleColoursWithSound_Cycle | C2A7 | LD HL,$5800 | Point HL at the attribute file. | |
| C2AA | LD BC,$0300 | Set the number of attributes to 0300. | ||
| CycleColoursWithSound_Attribute | C2AD | LD A,(HL) | Fetch the attribute. | |
| C2AE | AND %11111000 | Keep the paper, brightness and flash. | ||
| C2B0 | LD E,A | Stash them in E. | ||
| C2B1 | LD A,(HL) | Fetch the attribute again. | ||
| C2B2 | INC A | Add one to the ink colour. | ||
| C2B3 | AND %00000111 | Keep the ink colour. | ||
| C2B5 | OR E | Combine it with the rest of the attribute. | ||
| C2B6 | LD (HL),A | Set the attribute. | ||
| C2B7 | INC HL | Move on to the next attribute. | ||
| C2B8 | DEC BC | Decrease the number of attributes left. | ||
| C2B9 | LD A,B | Check whether any attributes are left to change. | ||
| C2BA | OR C | |||
| C2BB | JR NZ,CycleColoursWithSound_Attribute | Jump to CycleColoursWithSound_Attribute until all of the attributes have been changed. | ||
| C2BD | CALL PlaySparkleSound | Play the sound of sparkles. | ||
| C2C0 | LD BC,$2000 | Set the delay counter to 2000. | ||
| CycleColoursWithSound_Delay | C2C3 | DEC BC | Decrease the delay counter. | |
| C2C4 | LD A,B | Check whether the delay counter has reached zero. | ||
| C2C5 | OR C | |||
| C2C6 | JR NZ,CycleColoursWithSound_Delay | Jump to CycleColoursWithSound_Delay until the delay is over. | ||
| C2C8 | DEC D | Decrease the number of times left. | ||
| C2C9 | JR NZ,CycleColoursWithSound_Cycle | Jump to CycleColoursWithSound_Cycle until all of the cycles are done. | ||
| DoNothing | C2CB | RET | Return. | |
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