2017-10-01 21:23:03 +00:00
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; jede jede@oric.org 2017-10-01
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.export _cgetc
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2017-10-08 16:11:09 +00:00
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.import cursor
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2017-10-01 21:23:03 +00:00
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.include "telestrat.inc"
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.proc _cgetc
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2017-10-08 16:11:09 +00:00
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; this routine could be quicker if we wrote in page 2 variables, but it's better to use telemon routine in that case, because telemon can manage 4 I/O
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lda cursor ; if cursor equal to 0, then switch off cursor
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beq switchoff_cursor
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ldx #$00 ; x is the first screen
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BRK_TELEMON(XCSSCR) ; display cursor
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jmp loop ; could be replaced by a bne/beq but 'jmp' is cleaner than a bne/beq which could expect some
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switchoff_cursor:
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ldx #$00 ; x is the first screen
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BRK_TELEMON(XCOSCR) ; switch off cursor
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2017-10-01 21:23:03 +00:00
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loop:
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BRK_TELEMON XRD0
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2017-10-02 10:20:52 +00:00
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bcs loop
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2017-10-01 21:23:03 +00:00
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rts
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.endproc
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