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New mouse show/hide routines

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2934 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2004-03-16 19:27:48 +00:00
parent 3f4096d303
commit 278b62832e
2 changed files with 44 additions and 0 deletions
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23
libsrc/mouse/mouse_hide.s Normal file
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;
; Ullrich von Bassewitz, 2003-12-30
;
; void __fastcall__ mouse_hide (void);
; /* Hide the mouse. The function manages a counter and may be called more than
; * once. For each call to mouse_hide there must be a call to mouse_show to make
; * the mouse visible again.
; */
;
.include "mouse-kernel.inc"
.proc _mouse_hide
lda _mouse_hidden ; Get the flag
bne @L1 ; Jump if already invisible
jsr mouse_hide ; Call the driver
@L1: inc _mouse_hidden ; Set the flag to invisible
rts
.endproc

21
libsrc/mouse/mouse_show.s Normal file
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;
; Ullrich von Bassewitz, 2003-12-30
;
; void __fastcall__ mouse_show (void);
; /* Show the mouse. See mouse_hide for more information. */
;
.include "mouse-kernel.inc"
.proc _mouse_show
lda _mouse_hidden ; Mouse visible?
beq @L1 ; Jump if yes
dec _mouse_hidden ; Set the flag
bne @L1 ; Jump if still invisible
jmp mouse_show ; Call the driver
@L1: rts
.endproc