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cc65/libsrc/mouse/mouse_unload.s
uz 285aaf8933 Patch by Stefan Haubenthal: Remove __fastcall__ in comments and/or the
function description for functions that don't take any parameters.


git-svn-id: svn://svn.cc65.org/cc65/trunk@5573 b7a2c559-68d2-44c3-8de9-860c34a00d81
2012-03-04 13:08:54 +00:00

36 lines
800 B
ArmAsm

;
; Ullrich von Bassewitz, 2004-03-21
;
; unsigned char mouse_unload (void);
; /* Uninstall, then unload the currently loaded driver. */
.include "mouse-kernel.inc"
.include "modload.inc"
.import return0
_mouse_unload:
lda _mouse_drv
pha ; Save pointer to driver
ora _mouse_drv+1
beq no_driver ; No driver
lda _mouse_drv+1
pha
jsr _mouse_uninstall ; Uninstall the driver
pla
tax
pla ; Get pointer to driver
jsr _mod_free ; Free the driver
jmp return0 ; Return MOUSE_ERR_OK
no_driver:
tax ; X = 0
pla ; Remove pushed junk
lda #<MOUSE_ERR_NO_DRIVER
rts