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Routines |
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The printer buffer is cleared by calling this subroutine.
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CLEAR_PRB | 0EDF | LD HL,$5B00 | The base address of the printer buffer. | |||||
0EE2 | LD (IY+$46),L | Reset the printer 'column' at PR-CC. | ||||||
0EE5 | XOR A | Clear the A register. | ||||||
0EE6 | LD B,A | Also clear the B register (in effect B holds 256). | ||||||
PRB_BYTES | 0EE7 | LD (HL),A | The 256 bytes of the printer buffer are all cleared in turn. | |||||
0EE8 | INC HL | |||||||
0EE9 | DJNZ PRB_BYTES | |||||||
0EEB | RES 1,(IY+$30) | Signal 'the buffer is empty' (reset bit 1 of FLAGS2). | ||||||
0EEF | LD C,$21 | Set the printer position and return via CL_SET and PO_STORE. | ||||||
0EF1 | JP CL_SET |
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