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Routines |
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Used by the routines at MainMenu and AroundTheClock.
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| Sound_MenuTick | 39234 | LD C,0 | Set initial speaker state in C to OFF. | |
| 39236 | LD B,60 | Set the repeat loop counter in B to 60. | ||
| MenuTick_OuterLoop | 39238 | LD HL,10 | Set the delay loop in HL to 0010. | |
| MenuTick_DelayLoop | 39241 | DEC HL | Decrease the delay loop by one. | |
| 39242 | LD A,H | Jump back to MenuTick_DelayLoop until the delay loop is zero. | ||
| 39243 | OR L | |||
| 39244 | JR NZ,MenuTick_DelayLoop | |||
| 39246 | LD A,C | Flip the current speaker state. | ||
| 39247 | XOR %00010000 | |||
| 39249 | LD C,A | |||
| 39250 | OUT (254),A | Send it to the speaker. | ||
| 39252 | DJNZ MenuTick_OuterLoop | Decrease the repeat loop counter by one and loop back to MenuTick_OuterLoop until the repeat loop counter is zero. | ||
| 39254 | RET | Return. | ||
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