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61 lines
1.5 KiB
ArmAsm
61 lines
1.5 KiB
ArmAsm
;
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; Default mouse callbacks for the CX16
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;
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; 2020-01-10, Greg King
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;
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.export _mouse_def_callbacks
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.import MOUSE_GET, SPRITE_SET_POSITION
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.include "cx16.inc"
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; --------------------------------------------------------------------------
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; Hide the mouse pointer.
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hide: ldx #%10000000
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stx gREG::r0H
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bra mse
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; --------------------------------------------------------------------------
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; Show the mouse pointer.
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show: ldx #gREG::r0
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jsr MOUSE_GET
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mse: lda #$00 ; mouse sprite
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jmp SPRITE_SET_POSITION
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; --------------------------------------------------------------------------
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; Prepare to move the mouse pointer.
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prep: ; Fall through
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; --------------------------------------------------------------------------
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; Draw the mouse pointer.
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draw: ; Fall through
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; --------------------------------------------------------------------------
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; Move the mouse pointer X position to the value in .XA .
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movex: ; Already done by Kernal
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; Fall through
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; --------------------------------------------------------------------------
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; Move the mouse pointer Y position to the value in .XA .
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movey: rts ; Already done by Kernal
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; --------------------------------------------------------------------------
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; Callback structure
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.rodata
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_mouse_def_callbacks:
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.addr hide
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.addr show
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.addr prep
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.addr draw
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.addr movex
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.addr movey
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