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Routines |
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| CL_ALL | 03503 | LD HL,0 | The system variable COORDS is reset to zero. | |
| 03506 | LD (23677),HL | |||
| 03509 | RES 0,(IY+48) | Signal 'the screen is clear' (reset bit 0 of FLAGS2). | ||
| 03513 | CALL CL_CHAN | Perform the 'house keeping' tasks. | ||
| 03516 | LD A,254 | Open channel 'S'. | ||
| 03518 | CALL CHAN_OPEN | |||
| 03521 | CALL TEMPS | Use the 'permanent' values. | ||
| 03524 | LD B,24 | Now 'clear' the 24 lines of the display. | ||
| 03526 | CALL CL_LINE | |||
| 03529 | LD HL,(23633) | Ensure that the current output address (at (CURCHL)) is PRINT_OUT. | ||
| 03532 | LD DE,2548 | |||
| 03535 | LD (HL),E | |||
| 03536 | INC HL | |||
| 03537 | LD (HL),D | |||
| 03538 | LD (IY+82),1 | Reset the scroll counter (SCR-CT). | ||
| 03542 | LD BC,6177 | As the upper part of the display is being handled the 'upper print line' will be line 0. | ||
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This routine continues into CL_SET.
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