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28 lines
698 B
ArmAsm
28 lines
698 B
ArmAsm
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; 2019-09-25, Greg King
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;
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; unsigned char cpeekcolor (void);
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; /* Return the colors from the current cursor position. */
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;
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.export _cpeekcolor
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.include "cx16.inc"
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_cpeekcolor:
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php
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sei ; don't let cursor blinking interfere
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stz VERA::CTRL ; use port 0
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lda CURS_Y
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sta VERA::ADDR+1 ; set row number
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stz VERA::ADDR+2
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lda CURS_X ; get character column
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sec ; color attribute is second byte
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rol a
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sta VERA::ADDR
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lda VERA::DATA0 ; get color
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plp
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ldx #>$0000
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rts
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