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Routines |
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This subroutine is the controlling subroutine for calling the current input subroutine.
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WAIT_KEY | 05588 | BIT 5,(IY+2) | Jump forward if the flag (bit 5 of TV-FLAG) indicates the lower screen does not require clearing. | ||||
05592 | JR NZ,WAIT_KEY1 | ||||||
05594 | SET 3,(IY+2) | Otherwise signal 'consider the mode as having changed' (set bit 3 of TV-FLAG). | |||||
WAIT_KEY1 | 05598 | CALL INPUT_AD | Call the input subroutine indirectly via INPUT_AD. | ||||
05601 | RET C | Return with acceptable codes. | |||||
05602 | JR Z,WAIT_KEY1 | Both the carry flag and the zero flag are reset if 'no key is being pressed'; otherwise signal an error. | |||||
Report 8 - End of file.
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05604 | RST 8 | Call the error handling routine. | |||||
05605 | DEFB 7 |
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