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Routines |
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Used by the routine at SelectionScreen.
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This routine will return on a keypress, or if the counter reaches FF.
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| PressAnyKey_Pause | FBC8 | LD B,$FF | B=FF (counter). | |
| PressAnyKey_Loop | FBCA | CALL GetKeypress | Call GetKeypress. | |
| FBCD | JR Z,Pause_Loop | Jump to Pause_Loop if no key has been pressed. | ||
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A keypress has occurred so return.
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| FBCF | RET | Return. | ||
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There's not been a keypress, so issue a HALT and loop back round.
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| Pause_Loop | FBD0 | HALT | Halt operation (suspend CPU until the next interrupt). | |
| FBD1 | DJNZ PressAnyKey_Loop | Decrease counter by one and loop back to PressAnyKey_Loop until counter is zero. | ||
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The pause counter has expired so just return.
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| FBD3 | RET | Return. | ||
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